Which of the following is not a requirement for measurement of the basal metabolic rate (BMR)?
a. the person must not have exercised for at least 30 minutes.
b. the person must not have eaten any food within 12 hours.
c. the person must have slept at least 7 hours the previous night.
d. the person should be at mental rest during the measurement.
e. the measurement should take place at a comfortable room temperature.
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Question 2) Which chemical messenger increases food intake?
a. orexin
b. melanin
c. ACTH
d. CRH
e. Insulin
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Question 3) Changes in BMR are tied directly to changes in what hormone?
a. growth hormone
b. thyroid hormone
c. parathyroid hormone
d. insulin
e. ACTH
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Question 4) About ____ kilocalories of energy is liberated by consumption of 3 liters of oxygen.
a. 4.8
b. 9.6
c. 14.4
d. 19.2
e. 24
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Question 5) The lowest metabolic rate occurs
a. during sleep.
b. during a basal metabolic rate determination.
c. during exercise.
d. after a meal.
e. in males compared to females.
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Question 6) Which is not considered a cause for obesity?
a. emotional disturbances
b. hormonal changes
c. changes is function of satiety centers in hypothalamus
d. too much sleep
e. possible viral link
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Question 7) The energy equivalent of O2 is
a. 4.8 kilocalories of energy liberated per liter of O2 consumed.
b. used to indirectly measure the metabolic rate.
c. the energy required to raise 1 gm of H2O 1C.
d. both (a) and (b) above.
e. all of these answers.
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Question 8) The energy equivalent of oxygen is the
a. number of calories contained in every liter of oxygen consumed.
b. value that equates how much energy is liberated from food for every liter of oxygen consumed.
c. oxygen consumption required for the processing and storage of ingested foodstuff.
d. energy required to raise 1 g of H2O 1C.
e. none of these answers.
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Question 9) Internal work
a. includes all of the energy-expending activities that must go on all of the time to sustain life.
b. refers to all energy expenditure by tissues other than skeletal muscles.
c. includes the energy expenditure required to move external objects.
d. both (a) and (b) above.
e. all of these answers.
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Question 10) Which of the following is not internal work?
a. energy required for active transport.
b. energy required to pump blood.
c. energy use to power skeletal muscle contractions for body movements
d. energy used during synthetic reactions.
e. energy used to maintain body posture.
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