Question 1

A set point refers to ____.

Accepted Answer

A)   a very narrow range that the body works to maintain at a stable level
B)   the regulation of blood flow
C)   the release of hormones at a set point in time
D)   initiating a change in body temperature at a set point in timeE) None of the above
F) C) and D)

Question 2

A new set of experiments have shown that people who are overweight have different ______ than people who are not.

Accepted Answer

A)   types of microorganisms
B)   levels of glucagon
C)   levels of ADH
D)   digestive enzymesE) All of the above
F) C) and D)

Question 3

Many sports teams encourage their players to drink sports drinks during competition instead of pure water. Given what is known about the types of thirst, why is this a good idea?

Accepted Answer

There are two types of thirst: osmotic a...

Question 4

Jasmin is thirsty so she drinks some water. How would she know when to stop drinking water?

Accepted Answer

A)   She will stop once the water reaches her hypothalamus and inhibits the neurons in the OVLT.
B)   She will stop drinking once the water enters her bloodstream and signals to her OVLT.
C)   She will stop drinking after a short period (about a minute)  as just the activity of drinking calms nerves in the subfornical organ.
D)   She will stop drinking once her mouth feels warmer than her core temperature.E) A) and B)
F) B) and D)

Question 5

Hal is experiencing osmotic thirst. He should drink pure water.

Accepted Answer

A) True 
 B)False

Question 6

Angiotensin II acts on the kidney to retain more sodium.

Accepted Answer

A) True 
 B)False

Question 7

Kurtis's dog has had damage to the POA/AH. If he gets hot, he will _____.

Accepted Answer

A)   start eating
B)   find a place to sleep
C)   not pant properly and potentially overheat
D)   shiver too much and overcool himselfE) A) and C)
F) A) and B)

Question 8

The ____ increases the pituitary gland's secretion of hormones that increase insulin secretion.

Accepted Answer

A)   occipital cortex
B)   lateral hypothalamus
C)   medial part of the hypothalamus
D)   pineal glandE) A) and B)
F) A) and C) B

Question 9

Most mammals at about the age of weaning lose the intestinal enzyme lactase.

Accepted Answer

A) True 
 B)False

Question 10

Describe how bulimia nervosa resembles drug addiction.

Accepted Answer

In important ways, bulimia resembles dru...

Question 11

Stomach distension is necessary to produce satiety.

Accepted Answer

A) True 
 B)False

Question 12

Lora is sick and has developed a fever. Why might this be helpful for her?

Accepted Answer

A)   A slight fever activates the immune system and makes it harder for bacteria to survive.
B)   Fever will activate her hypothalamus and her blood pressure will go down.
C)   A fever will cause her to feel sleepy so she sleeps more soundly.
D)   The fever will cause her to seek out a cooler location that makes it harder to viruses to thrive.E) A) and B)
F) All of the above A

Question 13

A combination of the hormones aldosterone and angiotensin II leads to an increase in preference for ____ tastes.

Accepted Answer

A)   sweet
B)   sour
C)   salty
D)   bitterE) A) and B)
F) A) and C)

Question 14

One interpretation of how the hormone CCK promotes satiety is that it ____.

Accepted Answer

A)   speeds up the digestive processes in the intestines
B)   increases the rate at which glucose enters the cells of the body
C)   causes the stomach to fill more quickly
D)   facilitates the emptying of the stomachE) A) and D)
F) A) and C)

Question 15

What kind of thirst is produced by an increased concentration of solutes in the blood?

Accepted Answer

A)   Postprandial
B)   Hypovolemic
C)   Non-homeostatic
D)   OsmoticE) A) and B)
F) None of the above

Question 16

Luigi got a deep cut on his foot and started losing a lot of blood. To compensate, his body released ____ to _____ his blood pressure while he was waiting for help to arrive.

Accepted Answer

A)   vasopressin; decrease
B)   vasopressin; increase
C)   angiotensinogen; decrease
D)   angiotensinogen; increaseE) None of the above
F) A) and C)

Question 17

Tryptophan enters the brain by an active-transport protein that it shares with ____ and other large amino acids.

Accepted Answer

A)   phenylalanine
B)   melatonin
C)   lactose
D)   glucoseE) A) and B)
F) B) and C)

Question 18

Electrical stimulation of a rat's lateral hypothalamus would most likely result in ____.

Accepted Answer

A)   an increase in food seeking behaviors
B)   a decrease in food seeking behaviors
C)   a decrease in chewing and other reflexes associated with eating
D)   damage to dopamine-containing axons passing through itE) None of the above
F) A) and B)

Question 19

The increasing prevalence of obesity obviously relates to the increased availability of our diet and ____.

Accepted Answer

A)   depression
B)   psychological distress
C)   increased activity
D)   sedentary lifestyleE) None of the above
F) All of the above

Question 20

Paige wants to lose weight. The most effective long-term plan is for her to limit her intake of sweet foods.

Accepted Answer

A) True 
 B)False  False

Exam 9: Internal Regulation

A set point refers to ____.

Correct AnswerverifiedShow Answer

A new set of experiments have shown that people who are overweight have different ______ than people who are not.

Correct AnswerverifiedShow Answer

Many sports teams encourage their players to drink sports drinks during competition instead of pure water. Given what is known about the types of thirst, why is this a good idea?

Correct AnswerverifiedThere are two types of thirst: osmotic a...View AnswerShow Answer

Jasmin is thirsty so she drinks some water. How would she know when to stop drinking water?

Correct AnswerverifiedShow Answer

Hal is experiencing osmotic thirst. He should drink pure water.

Correct AnswerverifiedShow Answer

Angiotensin II acts on the kidney to retain more sodium.

Correct AnswerverifiedShow Answer

Kurtis's dog has had damage to the POA/AH. If he gets hot, he will _____.

Correct AnswerverifiedShow Answer

The ____ increases the pituitary gland's secretion of hormones that increase insulin secretion.

Correct AnswerverifiedB

Most mammals at about the age of weaning lose the intestinal enzyme lactase.

Correct AnswerverifiedShow Answer

Describe how bulimia nervosa resembles drug addiction.

Correct AnswerverifiedIn important ways, bulimia resembles dru...View AnswerShow Answer

Stomach distension is necessary to produce satiety.

Correct AnswerverifiedShow Answer

Lora is sick and has developed a fever. Why might this be helpful for her?

Correct AnswerverifiedA

A combination of the hormones aldosterone and angiotensin II leads to an increase in preference for ____ tastes.

Correct AnswerverifiedShow Answer

One interpretation of how the hormone CCK promotes satiety is that it ____.

Correct AnswerverifiedShow Answer

What kind of thirst is produced by an increased concentration of solutes in the blood?

Correct AnswerverifiedShow Answer

Luigi got a deep cut on his foot and started losing a lot of blood. To compensate, his body released ____ to _____ his blood pressure while he was waiting for help to arrive.

Correct AnswerverifiedShow Answer

Tryptophan enters the brain by an active-transport protein that it shares with ____ and other large amino acids.

Correct AnswerverifiedShow Answer

Electrical stimulation of a rat's lateral hypothalamus would most likely result in ____.

Correct AnswerverifiedShow Answer

The increasing prevalence of obesity obviously relates to the increased availability of our diet and ____.

Correct AnswerverifiedShow Answer

Paige wants to lose weight. The most effective long-term plan is for her to limit her intake of sweet foods.

Correct AnswerverifiedFalse

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There are two types of thirst: osmotic a...
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In important ways, bulimia resembles dru...
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A

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Luigi got a deep cut on his foot and started losing a lot of blood. To compensate, his body released to _ his blood pressure while he was waiting for help to arrive.

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