Question 1

What is caused by a high concentration of solutes outside the cells?

Accepted Answer

A)  increase in blood pressure 
B)  water flows into the cells 
C)  water flows out of the cells 
D)  excretion of diluted urine 
A)  increase in blood pressure 
B)  water flows into the cells 
C)  water flows out of the cells 
D)  excretion of diluted urine

Question 2

The majority of people with ____ are ____.

Accepted Answer

A)  bulimia; men 
B)  anorexia; middle-aged men 
C)  bulimia; young women 
D)  bulimia; middle-aged women 
A)  bulimia; men 
B)  anorexia; middle-aged men 
C)  bulimia; young women 
D)  bulimia; middle-aged women

Question 3

The brain finds out about the degree of stretch of the stomach from:

Accepted Answer

A)  visual feedback. 
B)  the hormone angiotensin. 
C)  sensory receptors on the skin of the abdomen. 
D)  activity of the vagus nerve. 
A)  visual feedback. 
B)  the hormone angiotensin. 
C)  sensory receptors on the skin of the abdomen. 
D)  activity of the vagus nerve.

Question 4

After damage in and around the ventromedial hypothalamus, animals are more likely to:

Accepted Answer

A)  overeat and gain weight. 
B)  refuse food and lose weight. 
C)  produce low levels of the hormone CCK. 
D)  be slow in their digestion. 
A)  overeat and gain weight. 
B)  refuse food and lose weight. 
C)  produce low levels of the hormone CCK. 
D)  be slow in their digestion.

Question 5

A Danish study correlating the weights of 540 adopted children with various adoptive and biological relatives found:

Accepted Answer

A)  a higher correlation with biological relatives than adoptive relatives. 
B)  a higher correlation with adoptive siblings than with biological siblings. 
C)  the same correlation with biological relatives and adoptive relatives. 
D)  a higher correlation with biological relatives during childhood but a higher correlation with adoptive relatives in adulthood. 
A)  a higher correlation with biological relatives than adoptive relatives. 
B)  a higher correlation with adoptive siblings than with biological siblings. 
C)  the same correlation with biological relatives and adoptive relatives. 
D)  a higher correlation with biological relatives during childhood but a higher correlation with adoptive relatives in adulthood.

Question 6

Damage to the lateral hypothalamus would increase feeding behavior.

Accepted Answer

A) True 
 B)False

Question 7

One advantage of being homeothermic is that it:

Accepted Answer

A)  reduces the fuel requirements of the body. 
B)  prevents excessive reliance on a single sensory system. 
C)  enables the individual to stay active when the environment is cool. 
D)  decreases the need for shivering and sweating. 
A)  reduces the fuel requirements of the body. 
B)  prevents excessive reliance on a single sensory system. 
C)  enables the individual to stay active when the environment is cool. 
D)  decreases the need for shivering and sweating.

Question 8

What does the eating cycle of bulimia have in common with addictive drugs?

Accepted Answer

A)  Both activate the brain's reinforcement areas. 
B)  Starvation decreases their cravings. 
C)  Both can be relieved with morphine. 
D)  There is nothing in common. 
A)  Both activate the brain's reinforcement areas. 
B)  Starvation decreases their cravings. 
C)  Both can be relieved with morphine. 
D)  There is nothing in common.

Question 9

Rats with damage to the paraventricular nucleus (PVN) eat ____ compared to normal rats.

Accepted Answer

A)  larger meals 
B)  more frequent meals 
C)  more if the food tastes good and less if it tastes bad 
D)  smaller meals 
A)  larger meals 
B)  more frequent meals 
C)  more if the food tastes good and less if it tastes bad 
D)  smaller meals

Question 10

An animal with hypovolemic thirst will drink:

Accepted Answer

A)  a large volume of pure water. 
B)  only enough to moisten its throat. 
C)  mildly salty water rather than pure water. 
D)  only water with a low pH. 
A)  a large volume of pure water. 
B)  only enough to moisten its throat. 
C)  mildly salty water rather than pure water. 
D)  only water with a low pH.

Question 11

Homeostasis is to ____ as allostasis is to ____.

Accepted Answer

A)  constant, variable 
B)  variable, constant 
C)  constant, decreasing 
D)  variable, increasing 
A)  constant, variable 
B)  variable, constant 
C)  constant, decreasing 
D)  variable, increasing

Question 12

Describe the brain mechanisms involved in shivering, sweating, and changes in blood flow to the skin.

Accepted Answer

The answer of Describe the brain mechanisms involved in shivering,...

Question 13

Which hormone controls the rate at which glucose leaves the blood and enters the cells?

Accepted Answer

A)  CCK 
B)  Aldosterone 
C)  Glucagon 
D)  Insulin 
A)  CCK 
B)  Aldosterone 
C)  Glucagon 
D)  Insulin

Question 14

Which of the following 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 hypothalamus 
A)  increasing leptin levels 
B)  decreasing NPY levels 
C)  increasing NPY levels 
D)  damaging the lateral hypothalamus

Question 15

Why did mammals evolve a body temperature of 37 degrees Celsius?

Accepted Answer

A)  They benefit from a high temperature because they seldom need to cool themselves by much. 
B)  Most protein bonds begin to break at this temperature. 
C)  Their body proteins are stable only at 37 degrees Celsius or above. 
D)  It is the only way they can detect changes in the temperature of the environment. 
A)  They benefit from a high temperature because they seldom need to cool themselves by much. 
B)  Most protein bonds begin to break at this temperature. 
C)  Their body proteins are stable only at 37 degrees Celsius or above. 
D)  It is the only way they can detect changes in the temperature of the environment.

Question 16

Eating salty potato chips increases the concentration of sodium in the:

Accepted Answer

A)  extracellular fluid. 
B)  intracellular fluid. 
C)  nuclear fluid. 
D)  osmotic fluid. 
A)  extracellular fluid. 
B)  intracellular fluid. 
C)  nuclear fluid. 
D)  osmotic fluid.

Question 17

The brain can anticipate an osmotic need before the rest of the body actually experiences it:

Accepted Answer

A)  because of the change in blood pressure. 
B)  because the stomach can detect high levels of sodium. 
C)  through detection of highly concentrated urine. 
D)  because of the rate of vasopressin release. 
A)  because of the change in blood pressure. 
B)  because the stomach can detect high levels of sodium. 
C)  through detection of highly concentrated urine. 
D)  because of the rate of vasopressin release.

Question 18

The main signal to end a meal is high glucose levels in the blood.

Accepted Answer

A) True 
 B)False

Question 19

After damage to the preoptic area, an animal:

Accepted Answer

A)  eats a great deal and gains weight. 
B)  stops eating. 
C)  fails to sweat when overheating, but still shivers when cold. 
D)  fails to shiver and sweat sufficiently. 
A)  eats a great deal and gains weight. 
B)  stops eating. 
C)  fails to sweat when overheating, but still shivers when cold. 
D)  fails to shiver and sweat sufficiently.

Question 20

Injections of leptin reduce eating in rats.

Accepted Answer

A) True 
 B)False

What is caused by a high concentration of solutes outside the cells?

The majority of people with are .

The brain finds out about the degree of stretch of the stomach from:

After damage in and around the ventromedial hypothalamus, animals are more likely to:

A Danish study correlating the weights of 540 adopted children with various adoptive and biological relatives found:

Damage to the lateral hypothalamus would increase feeding behavior.

One advantage of being homeothermic is that it:

What does the eating cycle of bulimia have in common with addictive drugs?

Rats with damage to the paraventricular nucleus (PVN) eat ____ compared to normal rats.

An animal with hypovolemic thirst will drink:

Homeostasis is to as allostasis is to .

Describe the brain mechanisms involved in shivering, sweating, and changes in blood flow to the skin.

Which hormone controls the rate at which glucose leaves the blood and enters the cells?

Which of the following would lead to eating a larger than normal meal?

Why did mammals evolve a body temperature of 37 degrees Celsius?

Eating salty potato chips increases the concentration of sodium in the:

The brain can anticipate an osmotic need before the rest of the body actually experiences it:

The main signal to end a meal is high glucose levels in the blood.

After damage to the preoptic area, an animal:

Injections of leptin reduce eating in rats.

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Movement

Wakefulness and Sleep

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

Filters

Exam 10: Internal Regulation

What is caused by a high concentration of solutes outside the cells?

The majority of people with ____ are ____.

The brain finds out about the degree of stretch of the stomach from:

After damage in and around the ventromedial hypothalamus, animals are more likely to:

A Danish study correlating the weights of 540 adopted children with various adoptive and biological relatives found:

Damage to the lateral hypothalamus would increase feeding behavior.

One advantage of being homeothermic is that it:

What does the eating cycle of bulimia have in common with addictive drugs?

Rats with damage to the paraventricular nucleus (PVN) eat ____ compared to normal rats.

An animal with hypovolemic thirst will drink:

Homeostasis is to ____ as allostasis is to ____.

Describe the brain mechanisms involved in shivering, sweating, and changes in blood flow to the skin.

Which hormone controls the rate at which glucose leaves the blood and enters the cells?

Which of the following would lead to eating a larger than normal meal?

Why did mammals evolve a body temperature of 37 degrees Celsius?

Eating salty potato chips increases the concentration of sodium in the:

The brain can anticipate an osmotic need before the rest of the body actually experiences it:

The main signal to end a meal is high glucose levels in the blood.

After damage to the preoptic area, an animal:

Injections of leptin reduce eating in rats.

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Movement

Wakefulness and Sleep

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

Filters

The majority of people with are .

Homeostasis is to as allostasis is to .