which of the following persons would feel less than their normal weight? that is which would feel less weighty than they feel when they sit in a stationary seat

Answers

Answer 1

A person on a free-falling attraction at an amusement park, a person speeding over the peak of a roller coaster, and a person orbiting the Earth in a spaceship.

What is the only force that someone who feels weightless is subject to?

When gravity is the only force affecting a person, they genuinely feel as though they are weightless. when your parachute is open and you are falling out of an airplane.

Describe some instances of weightlessness.

It is easily explained using the illustration of astronauts in earth orbit who are weightless, comparable to how a rider continues free-falling when riding in an amusement park. The other example is of weightless, free-falling elevators.

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Answer 2

A person speeding over the crest of a roller coaster, a person orbiting the Earth in a spacecraft, and a person on a free-falling ride at an amusement park  would feel less than their normal weight.

When someone feels weightless, what is the only force that they are subject to?

People truly feel as though they are weightless when gravity is the only force acting on them. when you are falling from an airplane while your parachute is open.

Give some examples of being weightless.

It can be simply explained using the analogy of weightless astronauts in earth orbit, which is similar to how a rider continues to fall freely while riding in an amusement park. Free-falling, weightless elevators are the second illustration.

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Which of the following persons would feel less than their normal weight? that is which would feel less weighty than they feel when they sit in a stationary seat

A person speeding over the crest of a roller coaster

A person orbiting the Earth in a spacecraft

A person on a free-falling ride at an amusement park.


Related Questions

Explain how hypertension, heart disease, and stroke are related.
PLEASE HELP!!!!!!!!!!

Answers

Answer:

High blood pressure also leads to thickening of the blood vessel walls. When combined with cholesterol deposits in the blood vessels, the risk of heart attack and stroke increases.

Explanation:

Why manual task/handling is important?

Answers

Answer:

Manual handling training gives employees the skills to safely undertake manual handling tasks, reducing their risk of injury. Appropriate training empowers participants to ensure they are working safely, comfortably and productively at work.

Explanation:

hope it helps!

Question 4
Last year a TV cost £390. This year it costs 10% more.
How much is it now?
A-£399
B-£429
C-£400
D-£351

Answers

Answer:

Option (B)

Explanation:

You can simply get this answer by adding £390, plus %10.

You get the answer of £429.

1. When reviewing your patients therapy notes, you see that your colleague (another OTA)
billed the patient 3 units of 97535 for yesterdays OT visit. However, when you go to see
your patient today in her hospital room, she states that she refused her OT session
yesterday, due to feeling ill. How do you handle this situation? What do you think you
should do next?

Answers

As a healthcare provider, it is essential to maintain ethical standards when handling a patient's medical records. In such a situation, here is how to handle it: First, it is necessary to confirm the legitimacy of the patient's claim. This means that you need to examine the patient thoroughly to determine their condition.

If the patient confirms that they did not receive the OT session, you should contact the OTA who billed the patient 3 units of 97535 for yesterdays OT visit and ask for clarification regarding the therapy session. Secondly, you can contact your patient's insurance provider and inform them of the situation.

Here, you should report the inconsistencies in the patient's therapy notes and inform them that you are conducting an internal investigation.

Finally, you can report the incident to the professional ethics committee in your institution. In this case, it is necessary to report the OTA who billed the patient, stating that they might have falsified the medical records. The committee will conduct an investigation and decide whether to take disciplinary action against the OTA.

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You are more likely to become addicted if you start drinking prior to adulthood.

Answers

Answer:true

Explanation:

yes u r right its true

Answer:

true

Explanation:

A local epidemiologist is trying to find the attack rate in two communities ravaged by a Measles outbreak. Community A has 892 members, NO citizens have received the MMR (Measles, Mumps, and Rubella) vaccine due to personal beliefs and financial reasons. 486 cases have been reported in Community A.

Community B is a larger community with 10,000 people. 95% of the citizens have the MMR vaccine (assume for this example the vaccine has 100% effectiveness, it doesn't in reality). 208 cases have been reported in the Community B outbreak.

Please help the epidemiologist and find out the Attack Rate for the Community A and Community B outbreaks.

Answers

Answer:

Overall attack rate is calculated by dividing the number of infected individuals by the total population.

Explanation:

Attack rate = Number of infected or ill persons × 100

__________________________

Total population

Attack rate in community A:

486 × 100

___

892

= 54.5%.

Attack rate in community B

208 × 100

___

10000

= 2.08%.

Stray animals should be avoided because:

they could bite and give you rabies
they are hungry and need a home
they smell bad and need a bath
they belong to someone else

Answers

Stray animals should be avoided because they could bite and give you rabies.

Stray animal means that any animal not underneath restraint and not within the presence of or among the property of its owner. Stray animal means that any animal that's not physically restrained or a homeless animal like one who has been left on the Reservation.

Rabies could be a fatal however preventable infectious agent illness. It will unfold to individuals and pets if they're bitten or damaged by a overzealous animal. within the us, rabies is generally found in wild animals like wacky, raccoons, skunks, and foxes. Once a rabies infection is established, there is not any effective treatment. There are very less number of individuals have survived rabies, the illness sometimes causes death.

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HELP NOW !!!
What is menstruation? a) Process that begins when certain hormones are released in girls usually between ages 10 and 15. b) Causes the lining of the uterus to shed as blood monthly when no egg is fertilized c) Both a and b​

Answers

C) both a and b
(Although it’s not all blood. There’s tissue and proteins and stuff in there as well).

weight loss can help lower high blood pressure and high cholesterol levels, as well as lower the risk of developing

Answers

Yes, weight loss will help ower high blood pressure and high cholesterol levels. In actuality, your blood pressure increases as you gain weight. Even a 10-pound weight loss can lower blood pressure, and people who are overweight and already have hypertension are most likely to experience this benefit. Obesity and being overweight are risk factors for heart disease.

Does reducing weight lower cholesterol?

The amount of body fat you have can be reduced by losing weight, which also lowers your risk of inflammation, which can help with your cholesterol levels. Reversing insulin resistance will improve your body's capacity to control hormones and lipoproteins. Losing weight and getting more exercise can do this.

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How do you calibrate a thermometer?

-by using the ice point method
-by using the cooling point method
-by using the scalding point method
-by using the tepid point method

Answers

I think you use the tepid point method.

There are several techniques for calibrating a thermometer, but the ice point method is the most frequent and commonly used.

Here's how to calibrate a thermometer using the ice point method, step by step:

Fill a clean container halfway with crushed ice or ice chips.Fill the container with clean water until the ice is completely immersed.Gently stir the liquid to achieve a consistent temperature throughout.Insert the thermometer probe into the ice-water combination, ensuring that the sensing element is thoroughly immersed but not contacting the container's edges or bottom.Allow the thermometer to settle before reading the temperature. It should be close to the freezing point of water (0°C or 32°F).Examine the thermometer measurement in relation to the predicted value (0°C or 32°F). If there is a difference, make a note of it.If feasible, adjust the thermometer according to the manufacturer's instructions or calibration requirements.Repeat the ice point measurement and comparison process until the thermometer reading is within an acceptable range of accuracy.If the thermometer cannot be adjusted, make a note of the deviation for future reference and account for it while taking measurements with the thermometer.

Thus, this way, one can calibrate a thermometer.

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Question 7 (2 points)
The biggest hazard for a phlebotomist on the job is:
a
MRI
b
Angry patients
Sharps
Chemicals in the lab

Answers

Answer:

Sharps

Explanation:

You would think that only angry patients could pose a problem to a phlebotomist but actually, there is a much more dangerous hazard. If one is not careful they could stick themself with a needle and that happens a lot in the practice. Hundreds o thousands of phlebotomists fall sick each year because they stick themself with a needle by accident.

Which of the following statements BEST describes a long-term goal?

Answers

The statement "big picture" best describes a long-term goal.

What is a long term goal?

A long-term goal is a big-picture goal that is intended to be achieved over a substantial period of time, typically more than a year.

It is a desired outcome or result that an individual or organization aims to achieve after significant effort and dedication.

While short-term goals are typically daily or weekly objectives that help to achieve long-term goals, a long-term goal is the ultimate destination that provides direction and purpose for these short-term goals.

Therefore, the statement "big picture" best describes a long-term goal.

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The complete question is below:

Which of the following statements BEST describes a long-term goal?

big picture,

results,

can last up t a year

2-3 short-term goals that are daily or weekly

Can anyone give me a hand with This one

Can anyone give me a hand with This one

Answers

i believe the correct answer is amino acids

Which of the following activities is best representative of a closed skill?
swimming in a lap pool
O throwing a football in game situation
dribbling a basketball in a game
O dancing with a ballet partner

Answers

Dribbling a basketball in a game

Type the correct answer in the box. Spell all words correctly. Which vow do physicians take before commencing practice? Physicians take the before commencing practice.​

Answers

Answer: Physicians take the Hippocratic Oath before they start practicing.

Explanation:

The Hippocratic oath or HIPPA is an agreement a physician makes before practicing medicine to have the standard of patient-doctor confidentiality be upheld by the law.

HACCP is the ______.


federal food safety system called Hazard Assessment and Crucial Control Points


result of combined research efforts conducted by the FDA and USDA


safety system required to be implemented by most local, state, and federal laws.


proactive food safety system used most often to prevent and outbreak of foodborne illness

Answers

4

proactive food safety system used most often to prevent and outbreak of foodborne illness.

Why is it important to observe for any changes occurring on the skin of an older person? ​

Answers

Answer:

Older people are at risk of skin damage, as changes that can occur to skin as it ages can affect its integrity, making it more vulnerable to damage, and to the development of a pressure injury or skin tears

Answer:

Explanation:

Good Skin Health for Seniors. In general, the elderly have special skin care needs because aging skin is so thin and dry. If their skin becomes too dry, it is prone to cracking and dermatitis, which allows for penetration of bacteria that can result in infection.

On the image above we see a sequence from left to right of jump from kneeling to squat position and from squat to vertical jump. How does the thigh of the athlete move from squat to vertical jump?

Answers

During the transition from the squat position to a vertical jump, the athlete's thigh undergoes extension, moving from a flexed position to an extended position. This extension of the thigh is facilitated by the contraction of the quadriceps muscles, which helps generate upward force and propel the body into the jump.

In the sequence from the squat position to a vertical jump, the movement of the athlete's thigh involves a transition from a flexed position to an extended position. As the athlete pushes off from the squatting position to initiate the jump, the thigh moves from a bent or flexed position to a straightened or extended position.

The extension of the thigh is primarily achieved through the contraction of the quadriceps muscles. The quadriceps femoris is a group of muscles located at the front of the thigh, consisting of the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. When these muscles contract, they generate force and contribute to the extension of the knee joint and the movement of the thigh from a flexed to an extended position.

During the vertical jump, the extension of the thigh is important for generating upward force and propelling the body into the air. As the thigh extends, the muscles involved in hip extension, such as the gluteus maximus and the hamstrings, also contribute to the overall power and force production of the jump.

In summary, during the transition from the squat position to a vertical jump, the athlete's thigh moves from a flexed position to an extended position. This extension is facilitated by the contraction of the quadriceps muscles, generating upward force and contributing to the power and propulsion of the jump.

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Employers are allowed to use appropriate disciplinary, incentive, or drug-testing programs in the workplace. However, there are some limitations to how these programs can be used to ensure they are not being used to retaliate against employees who report issues. From the options presented, select the answer option that bests represents this philosophy.
Select the best option.

These programs cannot be used to discourage employees from exercising their right to report injuries and illnesses.


These programs can be used to discourage employees from exercising their right to report injuries and illnesses.


Rewarding employees for adhering to policies is not permitted.


These programs can be used to discipline employees for adhering to safety protocols.

Answers

These programs cannot be used to discourage employees from exercising their right to report injuries and illnesses.

YOU CAN MAKE IT UP JUST PLEASE ANSWER!! (20 POINTS!!)

Directions: Complete a minimum 30-minute Pilates workout. In addition to reviewing the Pilates exercises in the lessons, check out the Exercise Library. You may also use additional resources such as videos found online. When you have finished your Pilates workout, answer the questions below.


1. Enter the date and time of your Pilates workout (1 point)


2. Have you had experience with Pilates before this assignment? If so, describe your experience. (1 point)


3. What amount of time did you spend on the activity? (1 point)


4. Describe your experience in detail (include location, who you were with, setting, etc). (3 points)


5. List the Pilates exercises that you performed and the muscles worked? (5 points)


6. How would you rate your proficiency in performing Pilates as instructed: poor, acceptable, proficient, or excellent? (2 points)


7. How did you feel about this experience overall? Was it difficult? Was it enjoyable? Explain. (3 points)


8. What suggestions would you have for someone else who is considering learning Pilates? (2 points)


9. Would you consider making Pilates a part of your regular exercise routine? Why or why not? (2 points)

Answers

Enter the date and time of your Pilates workout (1 point)
Date: May 26, 2023
Time: 9:00 AM

Have you had experience with Pilates before this assignment? If so, describe your experience. (1 point)
No, I have not had any experience with Pilates before this assignment.

What amount of time did you spend on the activity? (1 point)
I spent a total of 45 minutes on the Pilates workout.

Describe your experience in detail (include location, who you were with, setting, etc). (3 points)
I performed the Pilates workout in my living room. I was alone during the workout, as I followed along with an online Pilates video. I laid out a yoga mat on the floor and made sure I had enough space to move freely. I had calming music playing in the background to create a peaceful atmosphere.

List the Pilates exercises that you performed and the muscles worked? (5 points)
Hundred: Works the abdominal muscles.
Roll Up: Engages the core muscles and stretches the spine.
Single Leg Circles: Targets the hip flexors and stabilizes the core.
Bridge: Activates the glutes and strengthens the lower back.
Spine Twist: Works the obliques and improves spinal mobility.
How would you rate your proficiency in performing Pilates as instructed: poor, acceptable, proficient, or excellent? (2 points)
I would rate my proficiency as proficient. While I am new to Pilates, I was able to follow the instructions in the video and perform the exercises with reasonable accuracy.

How did you feel about this experience overall? Was it difficult? Was it enjoyable? Explain. (3 points)
Overall, I found this experience enjoyable. While some exercises were challenging, especially those targeting the core muscles, I appreciated the focus on control, precision, and breathing. The combination of stretching and strengthening left me feeling energized and relaxed after the workout.

What suggestions would you have for someone else who is considering learning Pilates? (2 points)
Start with beginner-level classes or videos to learn the fundamental principles and proper form.
Take it slow and listen to your body. Pilates requires focus and concentration, so give yourself time to understand the movements.
Consistency is key. Try to practice Pilates regularly to experience its full benefits.
Would you consider making Pilates a part of your regular exercise routine? Why or why not? (2 points)
Yes, I would consider making Pilates a part of my regular exercise routine. I enjoyed the mind-body connection and the emphasis on core strength and flexibility. Pilates offers a low-impact workout that can be adapted to different fitness levels, making it a suitable option for long-term commitment to physical well-being.

Body system is more important, the respiratory or urinary system? Why

Answers

Answer:

Respiratory

Explanation:

It provides oxygen that is necessary for the heart to pump blood to the body. It also provides oxygen for the brain to work

Semen is a viscous fluid containing sperm, sugar, and:
Question 5 options:
A.adrenalin
B.aqueous humor
C.enzymes
D.blood

Answers

Answer:  1. (A)

Explanation:

imagine that you have to take a trip to the ER after falling off a ladder and hurting your back. Who will form the team that will help you on your visit? Identify the various roles that members of the healthcare team will fulfill in order to help you from the moment you arrive at the hospital all the way through your after-care and follow-up appointments. Explain how the various roles and positions will need to work together to provide you with comprehensive care as a team.

Answers

Answer:

I think the team would be formed by a special doctor. Is this what you were asking?

Explanation:

CRITICAL THINKING—MRS. MURPHY
Read the case study and answer the questions.
Mrs. Murphy, age 72, has aortic stenosis and is scheduled for an aortic valve replacement. She reports fatigue and dyspnea with exertion.
1. What may be the cause of Mrs. Murphy’s aortic stenosis?


2. When obtaining Mrs. Murphy’s medical history, what should the nurse ask that is relevant to the cause of aortic stenosis?


3. How does the heart compensate for aortic stenosis?


4. What should the nurse anticipate may occur in severe aortic stenosis?


5. Why is angina a common symptom of aortic stenosis?


6. Mrs. Murphy’s chest x-ray shows an enlarged heart. She asks the nurse why it is enlarged. How should the nurse explain this to Mrs. Murphy?


7. Why is aortic stenosis treated with valvular replacement?

Answers

1. The aortic stenosis is caused by the buildup of calcium in the aortic valve.

2. The nurse should ask about past infections, such as rheumatic fever or endocarditis .

3. The heart compensates for aortic stenosis by increasing the pressure gradient across the aortic valve.

4. In severe aortic stenosis, the left ventricle may become unable to compensate for the increased pressure gradient.

5. Angina is a common symptom of aortic stenosis because the decreased valve function leads to reduced blood flow to the myocardium.

6. Mrs. Murphy's enlarged heart is likely due to the heart's compensatory mechanisms in response to the decreased efficiency of the aortic valve

7. Aortic stenosis is treated with valvular replacement to improve the efficiency of blood flow through the heart.

1. The aortic stenosis is caused by the buildup of calcium in the aortic valve. This leads to a decrease in the valve's ability to open and close properly.

2. When obtaining Mrs. Murphy's medical history, the nurse should ask about past infections, such as rheumatic fever or endocarditis, as well as any previous heart surgeries or interventions. These conditions can cause damage to the valve or increase the risk of developing calcification. Additionally, the nurse should inquire about any chronic medical conditions, such as hypertension or diabetes, which may contribute to the development of aortic stenosis.

3. The heart compensates for aortic stenosis by increasing the pressure gradient across the aortic valve. This is done to maintain a constant cardiac output despite the decreased efficiency of the valve.

4. In severe aortic stenosis, the left ventricle may become unable to compensate for the increased pressure gradient. This can lead to left ventricular hypertrophy and decreased cardiac output, which can result in heart failure.

5. Angina is a common symptom of aortic stenosis because the decreased valve function leads to reduced blood flow to the myocardium. This can result in ischemia, which presents as chest pain or discomfort.

6. Mrs. Murphy's enlarged heart is likely due to the heart's compensatory mechanisms in response to the decreased efficiency of the aortic valve. The heart must work harder to maintain a constant cardiac output, which can result in enlargement.

7. Aortic stenosis is treated with valvular replacement to improve the efficiency of blood flow through the heart. This is done to prevent the development of left ventricular hypertrophy and heart failure. Aortic valve replacement can be performed surgically or via transcatheter aortic valve replacement (TAVR) in certain patients.

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In controlling Violence in healthcare and preventing elder abuse which of the following play a part in aggravating violent situations

Answers

For better understanding of the causes of workplace violence and for seeking possible solutions, occupational researchers at The Injury Prevention Research Center (2001) classified it into four basic types

For better understanding of the causes of workplace violence and for seeking possible solutions, occupational researchers at The Injury Prevention Research Center (2001) classified it into four basic types:

1. criminal intent

2. client-on-worker

3. worker-on-worker

4. personal relationship.

Type 2 violence is considered as the most common in healthcare settings.

It considers the customer/client relationship to include patients, their family members, and visitors, and will be referred to as client on worker violence.

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There are different doctors who specialize in different

Answers

Answer:

Fields of Medicine or Medical Specialties.

Explanation:

What is the best way to avoid bacterial contamination

Answers

By washing hands and cleaning surfaces many times
Sterilization is one thing you can do

A 46-year-old, 230lb woman with a family history of breast cancer. She is up to date on yearly mammograms. She has a history of HTN. She complains of hot flushing, night sweats, and genitourinary symptoms. She had felt well until 1 month ago and she presented to her gynecologist for her annual gyn examination and to discuss her symptoms. She has a history of ASCUS about 5 years ago on her pap, other than that, Pap smears have been normal. Home medications are Norvasc 10mg qd and HCTZ 25mg qd. Her BP today is 150/90. She has regular monthly menstrual cycles. Her LMP was 1 month ago.

Required:
Post a brief description of your patient’s health needs from the patient case study you assigned.

Answers

Answer:

The patient needs lifestyle modification and should come for routine check ups and follow ups.

Explanation:

As given in the context, the patient has high blood pressure or is hypertensive. She also had a typical squamous cells of some undetermined significance. She also had a history of breast cancer in the past.

So the patient need medicines for hypertension and also needs modification in her life styles. She should regularly visit the doctor for health check ups.

I would recommend :

-- regular monitor the B.P of the patient and inform her B.P. level to her.

--   teach her some self health monitoring skills

--  modify the dosage and will change the medications since the patient is suffering from hot flushes and also genitourinary symptoms. These are the effects of medicine amlodipine as well as hydrochlorothiazide that is taken for reducing her BP.

For ASCUS, I recommend :

-- pap smear to be done yearly

-- cytology to be repeatedly done

Yearly mammography is to be recommended for breast cancer history.

Also advice to exercise for thirty minutes daily and reduce the salt content to less than 2.5 g in a day.  

1. Have you heard the proverbs, "You watch but you don't see," "You hear but you don't listen," and "You touch but you don't comprehend..." What do these statements imply to you?

Answers

These statements were given by Jesus Christ in Matthew 13:13 indicating that the chosen would know but those who were not chosen would not know what he was talking about.

What is the Bible?

The Bible is a collection or compilation of sacred books, containing the stories, doctrines, codes and traditions that guide Christians, based on Jewish tradition (Old Testament) and the spread of the Gospel (New Testament).

How important is the Bible as a historical source?

The Bible can be considered a historical document when it presents accuracy in the narratives and depending on this condition, we can scientifically prove the descriptions. In the texts of the Torah peoples such as the Philistines, Canaanites, Egyptians, Babylonians, Assyrians, among others are described.

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what is the commercial all about​

Answers

The term commercial refers to activities of commerce, business operations intended for an exchange on the market with the goal of earning profits. The non-commercial activity also exists in the form of non-profit organizations or government agencies. Hope this helps you!

Answer:

The term commercial refers to activities of commerce—business operations intended for an exchange on the market with the goal of earning profits

Other Questions
Question 2 (1 point)Prince William of Britain graduated from St. Andrew's University in Scotland with honors.He has become the first in the royal family to do so. He got the second highest possible scoreof 2:1. Prince William's degree is a Master of Arts in geographyPrince Charles, William's father, did not receive the same honors in college as WilliamNeither did his mother, the late Princess Diana, William also received three A-levels in highschool. His father and brother, Harry, only got two. A-levels are tests taken in Britain at the endof high school. William is second in line for the throne.what was the author's purpose in writing this article?to entertain the reader with fries about the royal familyto confuse the reader with a false story about Prince Williamto inform the reader about the education system in Britainto inform the reader about the academics of Prince WilliamQuestion 3 determine whether each pair of triangles is congruent. if so, write a congruence statement and explain why the triangles are congruent. (lesson 5-5) 4. b c n r p f m d 5. a l e An investment wil pay you $27,500 in 11 years. The statedinterest rate is 12% (APR). If interest is compoundedsemi-annually, what is the present value? How do you solve inequalities Grade 7? summary chapter 1 to 6 walk to moon 3. Summarize why the definition of species had changed over time A monopolist producing in a market faces the inverse demand curve and total cost unction given below. TC(q)= p=150010q 100040q+(5q50) 2 a) What output should the firm produce at? b) Calculate the market power of the firm (using the Lerner index) at their optimal level of output. you are considering adding a microbrewery onto one of your firm's existing restaurants. this will entail an investment of $47,000 in new equipment. this equipment will be depreciated straight-line over five years. if your firm's marginal corporate tax rate is 35%, then what is the value of the microbrewery's depreciation tax shield in the first year of operation? 7x 3 + 2 = 8x 8 Mention five importance of organic compound What are some considerations in choosing a financial institution? Which one do you think a nurse is teaching a client wh is at 25 weeks gestation about amniocentis. which of the following statements shoud the nurse include in the teaching TRUE / FALSE. question content area states of nature all of the alternatives are true. can describe uncontrollable natural events such as floods or freezing temperatures. can be selected by the decision maker. Which of these country's have the lowest and highest gas prices the countries are Philippines,USA,India,Qatar,Denmark A student has completed some work at school and wishes to take it home. He could use a pendrive or a CD R disc to transport the files.(a) Give two error messages that could appear to stop him saving his work.(b) Compare and contrast the use of a pen drive rather than a CD R please write neatlySolve the following trigonometry equation: 4sin (3x) + 2 = 0 How were people on the lowest rank of the social hierarchy treated? Which word best completes the sentence?Select the word from the drop-down menu.Don't him before you hear the evidence. Which of the following accurately summarizes the research on brain activity and the placebo effect?A. Placebo treatments, unlike active treatments, do not change brain activityB. Placebo and active treatments both change brain activity, but they change different brain regionsC. Placebo and active treatments are associated with similar changes in brain activityD. Placebo effects are subjunctive, and thus cannot be investigated with brain imaging The corpus luteum in a nonpregnant woman usually lasts about :________