Question 1

Low levels of leptin lead to

Accepted Answer

A)  fasting behavior,increased sympathetic nervous system activity,and the activation of TSH and ACTH. 
B)  feeding behavior,increased parasympathetic nervous system activity,and the suppression of TSH and ACTH. 
C)  fasting behavior,increased parasympathetic nervous system activity,and the suppression of TSH and ACTH. 
D)  feeding behavior,increased sympathetic nervous system activity,and the activation of TSH and ACTH. 
A)  fasting behavior,increased sympathetic nervous system activity,and the activation of TSH and ACTH. 
B)  feeding behavior,increased parasympathetic nervous system activity,and the suppression of TSH and ACTH. 
C)  fasting behavior,increased parasympathetic nervous system activity,and the suppression of TSH and ACTH. 
D)  feeding behavior,increased sympathetic nervous system activity,and the activation of TSH and ACTH. B

Question 2

Melinda adopted an infant from Korea and was amazed because the child seemed to prefer spicy food from the time she began to eat solid food.What is the most likely reason for the child's preference?

Accepted Answer

A)  There is nothing that could account for this;it is just a coincidence. 
B)  The child inherited a genetic predisposition to prefer spicy foods from her birth parents. 
C)  Melinda gave the child spicy foods very early in life,and the child learned to like them. 
D)  The child's birth mother probably ate the spicy foods normal for her culture while she was pregnant,which predisposed her daughter to like spicy foods. 
A)  There is nothing that could account for this;it is just a coincidence. 
B)  The child inherited a genetic predisposition to prefer spicy foods from her birth parents. 
C)  Melinda gave the child spicy foods very early in life,and the child learned to like them. 
D)  The child's birth mother probably ate the spicy foods normal for her culture while she was pregnant,which predisposed her daughter to like spicy foods. D

Question 3

Hypovolemic thirst results from

Accepted Answer

A)  increases in blood pressure. 
B)  decreases in blood volume. 
C)  feelings of a dry mouth. 
D)  decreases in intracellular fluid levels. 
A)  increases in blood pressure. 
B)  decreases in blood volume. 
C)  feelings of a dry mouth. 
D)  decreases in intracellular fluid levels. B

Question 4

A particular value defended by a regulatory system is known as

Accepted Answer

A)  motivation. 
B)  a set point. 
C)  homeostasis. 
D)  drive. 
A)  motivation. 
B)  a set point. 
C)  homeostasis. 
D)  drive.

Question 5

Core temperatures in humans

Accepted Answer

A)  should be maintained within a range of 10 degrees in order for us to feel well. 
B)  are not as important as they are in animals that are ectoderms. 
C)  can vary quite a bit from person to person,but must be maintained within a range of 10 degrees in order for us to feel well. 
D)  must be maintained within a very few degrees or life-threatening conditions can occur. 
A)  should be maintained within a range of 10 degrees in order for us to feel well. 
B)  are not as important as they are in animals that are ectoderms. 
C)  can vary quite a bit from person to person,but must be maintained within a range of 10 degrees in order for us to feel well. 
D)  must be maintained within a very few degrees or life-threatening conditions can occur.

Question 6

Raynaud's disease involves an inappropriate response to

Accepted Answer

A)  low thyroid. 
B)  fever. 
C)  warm temperatures. 
D)  cold temperatures. 
A)  low thyroid. 
B)  fever. 
C)  warm temperatures. 
D)  cold temperatures.

Question 7

Animals with large body volumes generate _________ animals with small body volumes.

Accepted Answer

A)  more heat than 
B)  less heat than 
C)  the same amount of heat as 
D)  more heat than some animals with small body volumes and less heat than other 
A)  more heat than 
B)  less heat than 
C)  the same amount of heat as 
D)  more heat than some animals with small body volumes and less heat than other

Question 8

Cynthia has been diagnosed with a tumor in the vicinity of her lateral hypothalamus.Which of the following symptoms has Cynthia most likely experienced as a result of her condition?

Accepted Answer

A)  She has experienced an unexpected weight loss. 
B)  She has experienced insulin resistance. 
C)  She has experienced a sudden,large weight gain. 
D)  She is unable to eat fatty foods. 
A)  She has experienced an unexpected weight loss. 
B)  She has experienced insulin resistance. 
C)  She has experienced a sudden,large weight gain. 
D)  She is unable to eat fatty foods.

Question 9

Which of the following occur in response to physiological deficits and disappear when needs are met?

Accepted Answer

A)  set points 
B)  drive states 
C)  thermostats 
D)  states of equilibrium 
A)  set points 
B)  drive states 
C)  thermostats 
D)  states of equilibrium

Question 10

Ryan was running his first marathon with a friend,and after drinking a lot of plain water,he dropped out of the race.At the hospital,he was diagnosed with hyponatremia and treated for

Accepted Answer

A)  a wide range of problems resulting from his failure to release ADH. 
B)  dehydration of organ tissues,including the brain,due to water moving into the hypertonic blood supply. 
C)  a dangerous loss of fluid due to constant urination. 
D)  swelling of the brain due to water moving out of his hypotonic blood. 
A)  a wide range of problems resulting from his failure to release ADH. 
B)  dehydration of organ tissues,including the brain,due to water moving into the hypertonic blood supply. 
C)  a dangerous loss of fluid due to constant urination. 
D)  swelling of the brain due to water moving out of his hypotonic blood.

Question 11

As ________,snakes help to maintain their body temperature by ________.

Accepted Answer

A)  ectotherms;shivering and moving to a warm spot if it is too cold 
B)  endotherms;shivering and trying to find a warm spot if it is too cold 
C)  ectotherms;moving to a shady spot if it is too hot 
D)  endotherms;moving to a shady spot if it is too hot 
A)  ectotherms;shivering and moving to a warm spot if it is too cold 
B)  endotherms;shivering and trying to find a warm spot if it is too cold 
C)  ectotherms;moving to a shady spot if it is too hot 
D)  endotherms;moving to a shady spot if it is too hot

Question 12

Nick is following the Atkins Diet,which allows dieters to consume lots of fats and proteins but very little carbohydrate.Consequently,it is likely that Nick will

Accepted Answer

A)  not lose any weight,as weight loss requires people to reduce the amount of fats consumed. 
B)  experience cognitive problems,as the brain will have insufficient glucose to function properly. 
C)  use ketones from fats to provide energy to their brains. 
D)  use amino acids from proteins to provide energy to their brains. 
A)  not lose any weight,as weight loss requires people to reduce the amount of fats consumed. 
B)  experience cognitive problems,as the brain will have insufficient glucose to function properly. 
C)  use ketones from fats to provide energy to their brains. 
D)  use amino acids from proteins to provide energy to their brains.

Question 13

Warm-blooded and cold-blooded animals attempt to maintain

Accepted Answer

A)  approximately the same internal temperatures,but do so through different methods. 
B)  approximately the same internal temperatures,using the same methods. 
C)  very different internal temperatures,with the warm-blooded animals having internal temperatures about 10 degrees F higher than cold-blooded animals. 
D)  very different internal temperatures,but use the same methods to maintain their respective set points. 
A)  approximately the same internal temperatures,but do so through different methods. 
B)  approximately the same internal temperatures,using the same methods. 
C)  very different internal temperatures,with the warm-blooded animals having internal temperatures about 10 degrees F higher than cold-blooded animals. 
D)  very different internal temperatures,but use the same methods to maintain their respective set points.

Question 14

Osmoreceptors appear to

Accepted Answer

A)  increase their rate of firing when placed in a hypertonic solution,and decrease their rate of firing when placed in a hypotonic solution. 
B)  increase their rate of firing when placed in a hypotonic solution,and decrease their rate of firing when placed in a hypertonic solution. 
C)  increase their rate of firing when blood pressure drops. 
D)  decrease their rate of firing when blood pressure drops. 
A)  increase their rate of firing when placed in a hypertonic solution,and decrease their rate of firing when placed in a hypotonic solution. 
B)  increase their rate of firing when placed in a hypotonic solution,and decrease their rate of firing when placed in a hypertonic solution. 
C)  increase their rate of firing when blood pressure drops. 
D)  decrease their rate of firing when blood pressure drops.

Question 15

How does a set point work? Provide one example.

Accepted Answer

Set points for temperature,fluid levels,

Question 16

In addition to the roles they play in hunger,orexins (hypocretins)are involved in what other type of behavior?

Accepted Answer

A)  sociability 
B)  drinking 
C)  sex 
D)  wakefulness 
A)  sociability 
B)  drinking 
C)  sex 
D)  wakefulness

Question 17

The learning of food preferences

Accepted Answer

A)  may begin prior to birth. 
B)  begin only after the age of 1 year. 
C)  begin only after the age of 5 years. 
D)  do not begin until after puberty. 
A)  may begin prior to birth. 
B)  begin only after the age of 1 year. 
C)  begin only after the age of 5 years. 
D)  do not begin until after puberty.

Question 18

When scientists first discovered that externally administering leptin to obese mice produced dramatic weight loss,they were excited about leptin's potential as a weight loss aid for people.Subsequently,obese humans were found to be producing high levels of leptin,to which they had become resistant.Describe the likely outcomes of leptin resistance to the appetite and feeding patterns of obese humans.

Accepted Answer

Leptin resistance in obese humans is lik

Question 19

Hyperthermia

Accepted Answer

A)  may help the body rid itself of disease-causing organisms. 
B)  represents a failure of the body's temperature control system. 
C)  results from a resetting of the body's temperature set point. 
D)  is inconvenient,but does not have serious implications for health. 
A)  may help the body rid itself of disease-causing organisms. 
B)  represents a failure of the body's temperature control system. 
C)  results from a resetting of the body's temperature set point. 
D)  is inconvenient,but does not have serious implications for health.

Question 20

Glucoreceptors have been found in the

Accepted Answer

A)  nucleus of the solitary tract. 
B)  organum vasculosum of the lamina terminalis (OVLT). 
C)  zona incerta. 
D)  median prefrontal nucleus. 
A)  nucleus of the solitary tract. 
B)  organum vasculosum of the lamina terminalis (OVLT). 
C)  zona incerta. 
D)  median prefrontal nucleus.

Low levels of leptin lead to

Melinda adopted an infant from Korea and was amazed because the child seemed to prefer spicy food from the time she began to eat solid food.What is the most likely reason for the child's preference?

Hypovolemic thirst results from

A particular value defended by a regulatory system is known as

Core temperatures in humans

Raynaud's disease involves an inappropriate response to

Animals with large body volumes generate _________ animals with small body volumes.

Cynthia has been diagnosed with a tumor in the vicinity of her lateral hypothalamus.Which of the following symptoms has Cynthia most likely experienced as a result of her condition?

Which of the following occur in response to physiological deficits and disappear when needs are met?

Ryan was running his first marathon with a friend,and after drinking a lot of plain water,he dropped out of the race.At the hospital,he was diagnosed with hyponatremia and treated for

As ,snakes help to maintain their body temperature by .

Nick is following the Atkins Diet,which allows dieters to consume lots of fats and proteins but very little carbohydrate.Consequently,it is likely that Nick will

Warm-blooded and cold-blooded animals attempt to maintain

Osmoreceptors appear to

How does a set point work? Provide one example.

In addition to the roles they play in hunger,orexins (hypocretins)are involved in what other type of behavior?

The learning of food preferences

Hyperthermia

Glucoreceptors have been found in the

Introducing Biological Psychology

The Anatomy and Evolution of the Nervous System

Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Movement

Sexual Behavior

Sleep and Waking

Learning and Memory

Lateralization, language, and Intelligence

Emotion, reward, aggression, and Stress

Neurological Disorders

Psychological Disorders

Filters

Exam 9: Temperature Regulation,thirst,and Hunger

Low levels of leptin lead to

Melinda adopted an infant from Korea and was amazed because the child seemed to prefer spicy food from the time she began to eat solid food.What is the most likely reason for the child's preference?

Hypovolemic thirst results from

A particular value defended by a regulatory system is known as

Core temperatures in humans

Raynaud's disease involves an inappropriate response to

Animals with large body volumes generate _________ animals with small body volumes.

Cynthia has been diagnosed with a tumor in the vicinity of her lateral hypothalamus.Which of the following symptoms has Cynthia most likely experienced as a result of her condition?

Which of the following occur in response to physiological deficits and disappear when needs are met?

Ryan was running his first marathon with a friend,and after drinking a lot of plain water,he dropped out of the race.At the hospital,he was diagnosed with hyponatremia and treated for

As ________,snakes help to maintain their body temperature by ________.

Nick is following the Atkins Diet,which allows dieters to consume lots of fats and proteins but very little carbohydrate.Consequently,it is likely that Nick will

Warm-blooded and cold-blooded animals attempt to maintain

Osmoreceptors appear to

How does a set point work? Provide one example.

In addition to the roles they play in hunger,orexins (hypocretins)are involved in what other type of behavior?

The learning of food preferences

Hyperthermia

Glucoreceptors have been found in the

Introducing Biological Psychology

The Anatomy and Evolution of the Nervous System

Cells of the Nervous System

Psychopharmacology

Genetics and the Development of the Human Brain

Vision

Nonvisual Sensation and Perception

Movement

Sexual Behavior

Sleep and Waking

Learning and Memory

Lateralization, language, and Intelligence

Emotion, reward, aggression, and Stress

Neurological Disorders

Psychological Disorders

Filters

As ,snakes help to maintain their body temperature by .