Question 1

The numbered structures in this image regulate which of the following behaviors?

Accepted Answer

A)  Hunger 
B)  Temperature 
C)  Thirst 
D)  Sex 
A)  Hunger 
B)  Temperature 
C)  Thirst 
D)  Sex

Question 2

Anorexia nervosa affects approximately _________ percent of the American population.

Accepted Answer

A)  1 
B)  3 
C)  5 
D)  8 
A)  1 
B)  3 
C)  5 
D)  8

Question 3

In the stomach,food particles are mixed with

Accepted Answer

A)  water and enzymes. 
B)  water and pepsin. 
C)  pepsin and hydrochloric acid. 
D)  sodium and hydrochloric acid. 
A)  water and enzymes. 
B)  water and pepsin. 
C)  pepsin and hydrochloric acid. 
D)  sodium and hydrochloric acid.

Question 4

How does an organism's surface-to-volume ratio affect temperature regulation?

Accepted Answer

An animal's volume determines its heat p

Question 5

Homeostasis is defined as an organism's ability to adjust its physiological processes to maintain a steady internal balance or equilibrium.

Accepted Answer

A) True 
 B)False

Question 6

In response to stimulation by F1F1F1S1F1F1F10MSH and CART,the pituitary gland releases

Accepted Answer

A)  cholecystokinin. 
B)  neuropeptide Y. 
C)  TSH and ACTH. 
D)  AgRP. 
A)  cholecystokinin. 
B)  neuropeptide Y. 
C)  TSH and ACTH. 
D)  AgRP.

Question 7

Obesity is usually diagnosed when a person's body mass index is

Accepted Answer

A)  19-22. 
B)  22-25. 
C)  25-30. 
D)  30 or above. 
A)  19-22. 
B)  22-25. 
C)  25-30. 
D)  30 or above.

Question 8

Jessica's weight of 123 pounds doesn't vary much regardless of what she eats from day to day.It is likely that 123 pounds is Jessica's

Accepted Answer

A)  ideal weight. 
B)  set point. 
C)  homeostasis. 
D)  drive state. 
A)  ideal weight. 
B)  set point. 
C)  homeostasis. 
D)  drive state.

Question 9

Stephanie knows that her diabetes is not under good control,because she becomes very thirsty in spite of drinking lots of water.Stephanie's thirst is most likely

Accepted Answer

A)  osmotic thirst due to high levels of sodium in her blood. 
B)  osmotic thirst due to high levels of glucose in her blood. 
C)  hypervolemic thirst due to loss of blood during frequent blood tests. 
D)  hypervolemic thirst due to frequent urination. 
A)  osmotic thirst due to high levels of sodium in her blood. 
B)  osmotic thirst due to high levels of glucose in her blood. 
C)  hypervolemic thirst due to loss of blood during frequent blood tests. 
D)  hypervolemic thirst due to frequent urination.

Question 10

CART levels observed in patients who have recovered from anorexia nervosa might account for their _________ and _________ appetite.

Accepted Answer

A)  lower;increased 
B)  higher;increased 
C)  lower;lack of 
D)  higher;lack of 
A)  lower;increased 
B)  higher;increased 
C)  lower;lack of 
D)  higher;lack of

Question 11

Sensitivity to changes in temperature is

Accepted Answer

A)  equally precise in all structures related to temperature regulation. 
B)  more precise in the brainstem than in the spinal cord or hypothalamus. 
C)  more precise in the spinal cord than in the hypothalamus. 
D)  more precise in the hypothalamus than in the spinal cord. 
A)  equally precise in all structures related to temperature regulation. 
B)  more precise in the brainstem than in the spinal cord or hypothalamus. 
C)  more precise in the spinal cord than in the hypothalamus. 
D)  more precise in the hypothalamus than in the spinal cord.

Question 12

Temperature-insensitive neurons in the hypothalamus

Accepted Answer

A)  play no role in the maintenance of core temperature. 
B)  increase their firing rate when temperature reaches a set point. 
C)  maintain a fairly steady firing rate. 
D)  increase their firing rate when core temperature increases. 
A)  play no role in the maintenance of core temperature. 
B)  increase their firing rate when temperature reaches a set point. 
C)  maintain a fairly steady firing rate. 
D)  increase their firing rate when core temperature increases.

Question 13

More heat loss occurs in animals with

Accepted Answer

A)  large body volumes. 
B)  small body volumes. 
C)  large surface areas. 
D)  small surface areas. 
A)  large body volumes. 
B)  small body volumes. 
C)  large surface areas. 
D)  small surface areas.

Question 14

Artificial application of Neuropeptide Y (NPY)to the hypothalamus suppresses appetite and feeding behavior.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following factors contributes the least to feelings of thirst?

Accepted Answer

A)  feelings of a dry mouth 
B)  a reduction in intracellular fluid levels 
C)  a reduction in extracellular fluid levels 
D)  an increase in the concentration of extracellular solutes 
A)  feelings of a dry mouth 
B)  a reduction in intracellular fluid levels 
C)  a reduction in extracellular fluid levels 
D)  an increase in the concentration of extracellular solutes

Question 16

An emergency room staff has been alerted by an ambulance of the imminent arrival of a patient who nearly drowned at a nearby beach.The ER staff should expect that the patient will have inhaled a large amount of water,and consequently will need to treat the patient for the effects of highly:

Accepted Answer

A)  hypotonic extracellular fluid,including possible cell rupture. 
B)  hypotonic extracellular fluid,including possible cell dehydration. 
C)  hypertonic extracellular fluid,including possible cell dehydration. 
D)  hypertonic intracellular fluid,including possible cell rupture. 
A)  hypotonic extracellular fluid,including possible cell rupture. 
B)  hypotonic extracellular fluid,including possible cell dehydration. 
C)  hypertonic extracellular fluid,including possible cell dehydration. 
D)  hypertonic intracellular fluid,including possible cell rupture.

Question 17

What is the role of genetics in obesity?

Accepted Answer

A person's genetics play an important ro

Question 18

An organism's ability to make physiological adjustments in order to achieve equilibrium 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 19

Hypothermia occurs when a person's core body temperature

Accepted Answer

A)  increases to 102 degrees F. 
B)  increases to 104 degrees F. 
C)  decreases below 98 degrees F. 
D)  decreases below 95 degrees F. 
A)  increases to 102 degrees F. 
B)  increases to 104 degrees F. 
C)  decreases below 98 degrees F. 
D)  decreases below 95 degrees F.

Question 20

Levels of the hormone ghrelin

Accepted Answer

A)  remain steady,as long as an organism stays at a weight set point. 
B)  increase following a meal,then drop during fasting. 
C)  drop following a meal,then increase during fasting. 
D)  are correlated with the amount of body fat an organism has stored. 
A)  remain steady,as long as an organism stays at a weight set point. 
B)  increase following a meal,then drop during fasting. 
C)  drop following a meal,then increase during fasting. 
D)  are correlated with the amount of body fat an organism has stored.

The numbered structures in this image regulate which of the following behaviors?

Anorexia nervosa affects approximately _________ percent of the American population.

In the stomach,food particles are mixed with

How does an organism's surface-to-volume ratio affect temperature regulation?

Homeostasis is defined as an organism's ability to adjust its physiological processes to maintain a steady internal balance or equilibrium.

In response to stimulation by MSH and CART,the pituitary gland releases

Obesity is usually diagnosed when a person's body mass index is

Jessica's weight of 123 pounds doesn't vary much regardless of what she eats from day to day.It is likely that 123 pounds is Jessica's

Stephanie knows that her diabetes is not under good control,because she becomes very thirsty in spite of drinking lots of water.Stephanie's thirst is most likely

CART levels observed in patients who have recovered from anorexia nervosa might account for their _ and _ appetite.

Sensitivity to changes in temperature is

Temperature-insensitive neurons in the hypothalamus

More heat loss occurs in animals with

Artificial application of Neuropeptide Y (NPY)to the hypothalamus suppresses appetite and feeding behavior.

Which of the following factors contributes the least to feelings of thirst?

An emergency room staff has been alerted by an ambulance of the imminent arrival of a patient who nearly drowned at a nearby beach.The ER staff should expect that the patient will have inhaled a large amount of water,and consequently will need to treat the patient for the effects of highly:

What is the role of genetics in obesity?

An organism's ability to make physiological adjustments in order to achieve equilibrium is known as

Hypothermia occurs when a person's core body temperature

Levels of the hormone ghrelin

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

The numbered structures in this image regulate which of the following behaviors?

Anorexia nervosa affects approximately _________ percent of the American population.

In the stomach,food particles are mixed with

How does an organism's surface-to-volume ratio affect temperature regulation?

Homeostasis is defined as an organism's ability to adjust its physiological processes to maintain a steady internal balance or equilibrium.

In response to stimulation by MSH and CART,the pituitary gland releases

Obesity is usually diagnosed when a person's body mass index is

Jessica's weight of 123 pounds doesn't vary much regardless of what she eats from day to day.It is likely that 123 pounds is Jessica's

Stephanie knows that her diabetes is not under good control,because she becomes very thirsty in spite of drinking lots of water.Stephanie's thirst is most likely

CART levels observed in patients who have recovered from anorexia nervosa might account for their _________ and _________ appetite.

Sensitivity to changes in temperature is

Temperature-insensitive neurons in the hypothalamus

More heat loss occurs in animals with

Artificial application of Neuropeptide Y (NPY)to the hypothalamus suppresses appetite and feeding behavior.

Which of the following factors contributes the least to feelings of thirst?

An emergency room staff has been alerted by an ambulance of the imminent arrival of a patient who nearly drowned at a nearby beach.The ER staff should expect that the patient will have inhaled a large amount of water,and consequently will need to treat the patient for the effects of highly:

What is the role of genetics in obesity?

An organism's ability to make physiological adjustments in order to achieve equilibrium is known as

Hypothermia occurs when a person's core body temperature

Levels of the hormone ghrelin

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

CART levels observed in patients who have recovered from anorexia nervosa might account for their _ and _ appetite.