Question 1

Prescription medications for obesity

Accepted Answer

A)  have no effect. 
B)  produce modest weight losses of 5-10 pounds in one year. 
C)  produce substantial weight loss of 90 pounds in three months. 
D)  are not yet available. 
A)  have no effect. 
B)  produce modest weight losses of 5-10 pounds in one year. 
C)  produce substantial weight loss of 90 pounds in three months. 
D)  are not yet available.

Question 2

In animals,the processes of hunger and thirst are controlled as clearly as the processes controlling body temperature.However,in humans it may be more appropriate to say that

Accepted Answer

A)  hunger and thirst are influenced,rather than controlled,by various CNS and PNS components. 
B)  hunger is not actually affected by the brain,although thirst is controlled by CNS components. 
C)  homeostasis is only effective in animals,not in humans. 
D)  thirst is controlled by CNS components,but hunger is controlled by set points. 
A)  hunger and thirst are influenced,rather than controlled,by various CNS and PNS components. 
B)  hunger is not actually affected by the brain,although thirst is controlled by CNS components. 
C)  homeostasis is only effective in animals,not in humans. 
D)  thirst is controlled by CNS components,but hunger is controlled by set points.

Question 3

Humans need to ingest

Accepted Answer

A)  no fluids in addition to those contained in food. 
B)  about 0.3 liters (about 10 ounces)of fluid per day. 
C)  about 1 liter (about 34 ounces)of fluid per day. 
D)  about 2.5 liters (about 68 ounces)of fluid per day. 
A)  no fluids in addition to those contained in food. 
B)  about 0.3 liters (about 10 ounces)of fluid per day. 
C)  about 1 liter (about 34 ounces)of fluid per day. 
D)  about 2.5 liters (about 68 ounces)of fluid per day.

Question 4

The median preoptic nucleus receives input from the

Accepted Answer

A)  organum vasculosum of the lamina terminalis (OVLT)and the subfornical organ. 
B)  organum vasculosum of the lamina terminalis (OVLT)and the nucleus of the solitary tract. 
C)  subfornical organ and the nucleus of the solitary tract. 
D)  subfornical organ and the zona incerta. 
A)  organum vasculosum of the lamina terminalis (OVLT)and the subfornical organ. 
B)  organum vasculosum of the lamina terminalis (OVLT)and the nucleus of the solitary tract. 
C)  subfornical organ and the nucleus of the solitary tract. 
D)  subfornical organ and the zona incerta.

Question 5

Individuals with diabetes mellitus experience extreme thirst due to hypovolemia.

Accepted Answer

A) True 
 B)False

Question 6

As core temperature increases

Accepted Answer

A)  all temperature-sensitive neurons in the preoptic area increase their firing rates. 
B)  all temperature-sensitive neurons in the preoptic area decrease their firing rates. 
C)  warm-sensitive neurons increase their firing rates,while cold-sensitive and temperature-insensitive neurons maintain a steady rate of firing. 
D)  warm-sensitive neurons inhibit cold-sensitive neurons,while temperature-insensitive neurons do not change. 
A)  all temperature-sensitive neurons in the preoptic area increase their firing rates. 
B)  all temperature-sensitive neurons in the preoptic area decrease their firing rates. 
C)  warm-sensitive neurons increase their firing rates,while cold-sensitive and temperature-insensitive neurons maintain a steady rate of firing. 
D)  warm-sensitive neurons inhibit cold-sensitive neurons,while temperature-insensitive neurons do not change.

Question 7

What is the difference between heat stroke (hyperthermia)and an illness-induced fever?

Accepted Answer

A fever represents a carefully controlle

Question 8

In ordinary circumstances,which of the following describes the relationship between sodium and extracellular fluid levels?

Accepted Answer

A)  Sodium levels and extracellular fluid levels are positively correlated. 
B)  Sodium levels and extracellular fluid levels are negatively correlated. 
C)  Sodium levels do not correlate systematically with extracellular fluid levels. 
D)  Sodium levels typically remain low when extracellular fluids are low or normal,but increase dramatically when extracellular fluids are high. 
A)  Sodium levels and extracellular fluid levels are positively correlated. 
B)  Sodium levels and extracellular fluid levels are negatively correlated. 
C)  Sodium levels do not correlate systematically with extracellular fluid levels. 
D)  Sodium levels typically remain low when extracellular fluids are low or normal,but increase dramatically when extracellular fluids are high.

Question 9

Approximately how many people diagnosed with anorexia nervosa eventually die from the disorder?

Accepted Answer

A)  None 
B)  5 percent 
C)  10 percent 
D)  15 percent 
A)  None 
B)  5 percent 
C)  10 percent 
D)  15 percent

Question 10

According to research by Corbit and Satinoff,which of the following outcomes will result if temperature information from skin receptors conflicts with temperature information in the hypothalamus?

Accepted Answer

A)  Information from the skin receptors will have more impact on behavior than information from the hypothalamus. 
B)  Information from the hypothalamus will have more impact on behavior than information from the skin receptors. 
C)  The behavioral outcomes will reflect an averaging of input from the skin receptors and hypothalamus. 
D)  Conflicting input will be ignored,and behavior from before a period of conflict will be maintained until further information is available. 
A)  Information from the skin receptors will have more impact on behavior than information from the hypothalamus. 
B)  Information from the hypothalamus will have more impact on behavior than information from the skin receptors. 
C)  The behavioral outcomes will reflect an averaging of input from the skin receptors and hypothalamus. 
D)  Conflicting input will be ignored,and behavior from before a period of conflict will be maintained until further information is available.

Question 11

Glucagon and insulin are produced by the

Accepted Answer

A)  stomach. 
B)  gall bladder. 
C)  pancreas. 
D)  liver. 
A)  stomach. 
B)  gall bladder. 
C)  pancreas. 
D)  liver.

Question 12

Leptin is produced and secreted by

Accepted Answer

A)  the pancreas. 
B)  the pituitary gland. 
C)  the arcuate nucleus. 
D)  fat cells. 
A)  the pancreas. 
B)  the pituitary gland. 
C)  the arcuate nucleus. 
D)  fat cells.

Question 13

Ashley has been diagnosed with a low thyroid condition.She frequently experiences

Accepted Answer

A)  lower-than-normal core body temperatures. 
B)  unexplained fevers. 
C)  hyperthermia requiring hospitalization. 
D)  usually high activity in her brown fat cells. 
A)  lower-than-normal core body temperatures. 
B)  unexplained fevers. 
C)  hyperthermia requiring hospitalization. 
D)  usually high activity in her brown fat cells.

Question 14

Research by Cannon and Washburn,in which Washburn swallowed a balloon,investigated the role of

Accepted Answer

A)  stomach contractions as cues for hunger. 
B)  blood glucose levels in satiety. 
C)  insulin levels in satiety. 
D)  glucagon levels as cues for hunger. 
A)  stomach contractions as cues for hunger. 
B)  blood glucose levels in satiety. 
C)  insulin levels in satiety. 
D)  glucagon levels as cues for hunger.

Question 15

People with spinal cord damage

Accepted Answer

A)  do not have any problems with temperature regulation,because the spinal cord is the most sensitive part of the temperature regulation system. 
B)  have problems regulating core temperature in cold,but not hot conditions. 
C)  have problems regulating core temperature in hot,but not cold conditions. 
D)  have difficulty regulating temperature,because the spinal cord temperature regulating systems are less precise than brainstem or hypothalamic systems. 
A)  do not have any problems with temperature regulation,because the spinal cord is the most sensitive part of the temperature regulation system. 
B)  have problems regulating core temperature in cold,but not hot conditions. 
C)  have problems regulating core temperature in hot,but not cold conditions. 
D)  have difficulty regulating temperature,because the spinal cord temperature regulating systems are less precise than brainstem or hypothalamic systems.

Question 16

An animal's surface-to-volume ratio predicts

Accepted Answer

A)  that it is an ectoderm. 
B)  that it is an endoderm. 
C)  how much heat the animal can generate. 
D)  how much energy the animal requires to maintain core temperature. 
A)  that it is an ectoderm. 
B)  that it is an endoderm. 
C)  how much heat the animal can generate. 
D)  how much energy the animal requires to maintain core temperature.

Question 17

Baroreceptors are located in the

Accepted Answer

A)  organum vasculosum of the lamina terminalis (OVLT). 
B)  heart and kidneys. 
C)  medulla. 
D)  stomach and digestive tract. 
A)  organum vasculosum of the lamina terminalis (OVLT). 
B)  heart and kidneys. 
C)  medulla. 
D)  stomach and digestive tract.

Question 18

Based on surface-to-volume ratios,which of the following animals would require the most energy to maintain core temperature?

Accepted Answer

A)  a mouse 
B)  a dog 
C)  a human 
D)  an elephant 
A)  a mouse 
B)  a dog 
C)  a human 
D)  an elephant

Question 19

People with anorexia nervosa usually maintain a body weight that is at least _________ percent below normal.

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  20 
A)  5 
B)  10 
C)  15 
D)  20

Question 20

Antidiuretic hormone (ADH)is released in response to

Accepted Answer

A)  osmotic thirst only. 
B)  hypovolemic thirst only. 
C)  either osmotic or hypovolemic thirst. 
D)  release of renin. 
A)  osmotic thirst only. 
B)  hypovolemic thirst only. 
C)  either osmotic or hypovolemic thirst. 
D)  release of renin.

Prescription medications for obesity

In animals,the processes of hunger and thirst are controlled as clearly as the processes controlling body temperature.However,in humans it may be more appropriate to say that

Humans need to ingest

The median preoptic nucleus receives input from the

Individuals with diabetes mellitus experience extreme thirst due to hypovolemia.

As core temperature increases

What is the difference between heat stroke (hyperthermia)and an illness-induced fever?

In ordinary circumstances,which of the following describes the relationship between sodium and extracellular fluid levels?

Approximately how many people diagnosed with anorexia nervosa eventually die from the disorder?

According to research by Corbit and Satinoff,which of the following outcomes will result if temperature information from skin receptors conflicts with temperature information in the hypothalamus?

Glucagon and insulin are produced by the

Leptin is produced and secreted by

Ashley has been diagnosed with a low thyroid condition.She frequently experiences

Research by Cannon and Washburn,in which Washburn swallowed a balloon,investigated the role of

People with spinal cord damage

An animal's surface-to-volume ratio predicts

Baroreceptors are located in the

Based on surface-to-volume ratios,which of the following animals would require the most energy to maintain core temperature?

People with anorexia nervosa usually maintain a body weight that is at least _________ percent below normal.

Antidiuretic hormone (ADH)is released in response to

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

Prescription medications for obesity

In animals,the processes of hunger and thirst are controlled as clearly as the processes controlling body temperature.However,in humans it may be more appropriate to say that

Humans need to ingest

The median preoptic nucleus receives input from the

Individuals with diabetes mellitus experience extreme thirst due to hypovolemia.

As core temperature increases

What is the difference between heat stroke (hyperthermia)and an illness-induced fever?

In ordinary circumstances,which of the following describes the relationship between sodium and extracellular fluid levels?

Approximately how many people diagnosed with anorexia nervosa eventually die from the disorder?

According to research by Corbit and Satinoff,which of the following outcomes will result if temperature information from skin receptors conflicts with temperature information in the hypothalamus?

Glucagon and insulin are produced by the

Leptin is produced and secreted by

Ashley has been diagnosed with a low thyroid condition.She frequently experiences

Research by Cannon and Washburn,in which Washburn swallowed a balloon,investigated the role of

People with spinal cord damage

An animal's surface-to-volume ratio predicts

Baroreceptors are located in the

Based on surface-to-volume ratios,which of the following animals would require the most energy to maintain core temperature?

People with anorexia nervosa usually maintain a body weight that is at least _________ percent below normal.

Antidiuretic hormone (ADH)is released in response to

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