Question 1

Leonora loves eating carbohydrates. When she does, they are initially broken down in her _____.

Accepted Answer

A)   mouth
B)   large intestine
C)   stomach
D)   small intestineE) A) and B)
F) C) and D)

Question 2

Fructose, used in corn syrup as a sweetener, may lead to increased obesity by ____.

Accepted Answer

A)   failing to trigger satiety
B)   having more calories than other sugars
C)   slowing fat digestion
D)   enhancing PVN activityE) None of the above
F) B) and C)

Question 3

Which of the following is not one of the hypotheses scientists accept as a reason why humans maintain a body temperature around 37°C?

Accepted Answer

A)   Being warm allows humans to be ready for movement at all times.
B)   Being too much warmer would cause human proteins to break down.
C)   The warm temperature allows our muscles to work more with less fatigue.
D)   A lower temperature would cause the immune system to go out of control.E) B) and D)
F) A) and C)

Question 4

The physiological changes that defend body temperature depend on areas in and near the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 5

Which event would lead to eating a larger than normal meal?

Accepted Answer

A)   Increasing leptin levels
B)   Decreasing NPY levels
C)   Increasing NPY levels
D)   Damaging the lateral hypothalamusE) C) and D)
F) B) and C)

Question 6

The large intestine ____.

Accepted Answer

A)   absorbs water and minerals
B)   digests proteins, fats, and carbohydrates
C)   is the main site for the absorption of digested foodstuffs into the bloodstream
D)   stores excess nutrients as glycogen, protein, or fatE) A) and B)
F) B) and D)

Question 7

Through what mechanism does insulin affect appetite?

Accepted Answer

A)   It enables stored nutrients to enter the blood stream.
B)   It enables glucose in the blood stream to enter the cells.
C)   It converts other nutrients into glucose.
D)   It converts glucose into other nutrients.E) A) and D)
F) A) and C)

Question 8

Which hormone, released by the posterior pituitary, both raises blood pressure and enables the kidneys to reabsorb water?

Accepted Answer

A)   Vasopressin
B)   Prolactin
C)   Thymosin
D)   ACTHE) All of the above
F) A) and B)

Question 9

A drug that stimulates melanocortin receptors would most likely ____.

Accepted Answer

A)   increase meal frequency
B)   increase leptin production
C)   decrease meal size
D)   increase meal sizeE) None of the above
F) A) and B)

Question 10

Professor Fonte is lecturing on eat behaviors. She tells the class that ____ is produced by _____.

Accepted Answer

A)   leptin; fat cells in the body
B)   leptin; the stomach
C)   neuropeptide Y; the small intestine
D)   neuropeptide Y; the stomachE) A) and C)
F) A) and D)

Question 11

Collin wants to lose weight. His doctors suggest all of the following except _____.

Accepted Answer

A)   make small changes that result in regular exercise and healthy eating habits
B)   try to eliminate soft drinks from his diet
C)   avoid following fad diets
D)   use artificial supplements that increase ghrelinE) A) and D)
F) A) and C)

Question 12

Most young mammals stop nursing, at least partly, due to the loss of what ability?

Accepted Answer

A)   Metabolizing the sugar in milk
B)   Sucking sufficiently
C)   The Babinski reflex
D)   Digesting the fat in milkE) A) and B)
F) B) and D)

Question 13

High levels of leptin are associated with ____.

Accepted Answer

A)   decreased activity and eating
B)   increased activity and eating
C)   decreased activity and increased eating
D)   increased activity and decreased eatingE) None of the above
F) All of the above

Question 14

Beyond about 40°C or 41°C, ____ begin to break their bonds and lose their useful properties.

Accepted Answer

A)   RNA
B)   DNA
C)   cells
D)   proteinsE) A) and D)
F) A) and C)

Question 15

Dinah's body has produced aldosterone so that she _____.

Accepted Answer

A)   is able to conserve sodium
B)   is able to excrete excess sodium
C)   is no longer interested in drinking
D)   increases her cravings for pure waterE) A) and B)
F) C) and D)

Question 16

The blood's glucose level ordinarily remains relatively constant because of the activity of ____.

Accepted Answer

A)   CCK.
B)   the liver
C)   the thyroid gland
D)   the gall bladderE) C) and D)
F) All of the above

Question 17

Sodium-specific hunger is closely associated with ____.

Accepted Answer

A)   osmotic thirst
B)   hypovolemic thirst
C)   the OVLT
D)   decreased renin releaseE) A) and C)
F) A) and B)

Question 18

How do adult mammals with damage to the preoptic area regulate their body temperature?

Accepted Answer

A)   Physiologically
B)   Pharmacologically
C)   Behaviorally
D)   Not at allE) C) and D)
F) All of the above

Question 19

When food distends the duodenum, the duodenum releases which hormone?

Accepted Answer

A)   CCK
B)   Aldosterone
C)   Angiotensin II
D)   ProlactinE) A) and C)
F) B) and D)

Question 20

The preoptic area of the hypothalamus monitors temperatures from what areas of the body?

Accepted Answer

A)   The brainstem
B)   The POA/AH and the skin
C)   The arteries and veins
D)   The heartE) All of the above
F) A) and D)

Exam 9: Internal Regulation

The blood's glucose level ordinarily remains relatively constant because of the activity of ____.

Correct AnswerverifiedShow Answer

Professor Fonte is lecturing on eat behaviors. She tells the class that ____ is produced by _____.

Correct AnswerverifiedShow Answer

Dinah's body has produced aldosterone so that she _____.

Correct AnswerverifiedShow Answer

Leonora loves eating carbohydrates. When she does, they are initially broken down in her _____.

Correct AnswerverifiedShow Answer

A drug that stimulates melanocortin receptors would most likely ____.

Correct AnswerverifiedShow Answer

When food distends the duodenum, the duodenum releases which hormone?

Correct AnswerverifiedShow Answer

Sodium-specific hunger is closely associated with ____.

Correct AnswerverifiedShow Answer

Which event would lead to eating a larger than normal meal?

Correct AnswerverifiedShow Answer

Which hormone, released by the posterior pituitary, both raises blood pressure and enables the kidneys to reabsorb water?

Correct AnswerverifiedShow Answer

Through what mechanism does insulin affect appetite?

Correct AnswerverifiedShow Answer

Most young mammals stop nursing, at least partly, due to the loss of what ability?

Correct AnswerverifiedShow Answer

The large intestine ____.

Correct AnswerverifiedShow Answer

Beyond about 40°C or 41°C, ____ begin to break their bonds and lose their useful properties.

Correct AnswerverifiedShow Answer

The preoptic area of the hypothalamus monitors temperatures from what areas of the body?

Correct AnswerverifiedShow Answer

High levels of leptin are associated with ____.

Correct AnswerverifiedShow Answer

How do adult mammals with damage to the preoptic area regulate their body temperature?

Correct AnswerverifiedShow Answer

The physiological changes that defend body temperature depend on areas in and near the hypothalamus.

Correct AnswerverifiedShow Answer

Which of the following is not one of the hypotheses scientists accept as a reason why humans maintain a body temperature around 37°C?

Correct AnswerverifiedShow Answer

Fructose, used in corn syrup as a sweetener, may lead to increased obesity by ____.

Correct AnswerverifiedShow Answer

Collin wants to lose weight. His doctors suggest all of the following except _____.

Correct AnswerverifiedShow Answer

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Professor Fonte is lecturing on eat behaviors. She tells the class that is produced by _.

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