Question 1

An elevated body temperature is always indicative of an infection.

Accepted Answer

A) True 
 B)False

Question 2

Use this figure to answer the corresponding questions.
Based on the information provided in the figure, number 2 is ____________________, and it ultimately has a negative effect on the secretion of ____________________ (number 7).

Accepted Answer

ghrelin, n

Question 3

The most dominant factor influencing the BMR is the level of circulating, active thyroid hormone.

Accepted Answer

A) True 
 B)False

Question 4

Leptin is a hormone released from adipose tissue.

Accepted Answer

A) True 
 B)False

Question 5

The factor that increases the metabolic rate to the greatest extent is increased

Accepted Answer

A)  skeletal muscle activity 
B)  mental effort 
C)  dietary fiber intake 
D)  epinephrine secretion 
E)  brown fat deposition 
A)  skeletal muscle activity 
B)  mental effort 
C)  dietary fiber intake 
D)  epinephrine secretion 
E)  brown fat deposition

Question 6

The body temperature is normally maintained at an elevated level during sustained exercise.

Accepted Answer

A) True 
 B)False

Question 7

Aspirin reduces a fever by inhibiting the synthesis of prostaglandins.

Accepted Answer

A) True 
 B)False

Question 8

The core temperature is maintained at a near constant level, but skin temperature is quite variable.

Accepted Answer

A) True 
 B)False

Question 9

In fever production

Accepted Answer

A)  Endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point." 
B)  Eold response mechanisms are initiated by the hypothalamus to raise the body temperature to the new set point. 
C)  Heat loss mechanisms are triggered to eliminate the excess heat from the body. 
D)  Endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point," and cold response mechanisms are initiated by the hypothalamus to raise the body temperature to the new set point. 
E)  Endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point," and heat loss mechanisms are triggered to eliminate the excess heat from the body. 
A)  Endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point." 
B)  Eold response mechanisms are initiated by the hypothalamus to raise the body temperature to the new set point. 
C)  Heat loss mechanisms are triggered to eliminate the excess heat from the body. 
D)  Endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point," and cold response mechanisms are initiated by the hypothalamus to raise the body temperature to the new set point. 
E)  Endogenous pyrogen released from neurons of the cerebral cortex in response to an infection elevates the hypothalamic "set point," and heat loss mechanisms are triggered to eliminate the excess heat from the body.

Question 10

Which statement is incorrect?

Accepted Answer

A)  There are a pair of feeding centers and a pair of satiety centers in the hypothalamus that play a major role in controlling food intake. 
B)  Stimulation of the feeding centers drives the individual to eat. 
C)  Stimulation of the satiety centers brings about the feeling of having had enough to eat. 
D)  Distention of the digestive tract constitutes the major input for regulating food intake. 
E)  Destruction of the satiety center in lab animals leads to overeating and obesity. 
A)  There are a pair of feeding centers and a pair of satiety centers in the hypothalamus that play a major role in controlling food intake. 
B)  Stimulation of the feeding centers drives the individual to eat. 
C)  Stimulation of the satiety centers brings about the feeling of having had enough to eat. 
D)  Distention of the digestive tract constitutes the major input for regulating food intake. 
E)  Destruction of the satiety center in lab animals leads to overeating and obesity.

Question 11

An animal can be driven to overeat either by selective stimulation of the appetite centers or by destruction of the satiety centers.

Accepted Answer

A) True 
 B)False

Question 12

The presence of skin blood vessels diminishes the effectiveness of the skin as an insulator.

Accepted Answer

A) True 
 B)False

Question 13

Metabolic rate equals energy expenditure/unit of time.

Accepted Answer

A) True 
 B)False

Question 14

Describe the physiological changes that occur during heatstroke.

Accepted Answer

Heatstroke results when there is a lack

Question 15

Which does not act as a satiety signal?

Accepted Answer

A)  cholecystokinin 
B)  increased glucose utilization 
C)  orexins 
D)  leptin 
E)  insulin 
A)  cholecystokinin 
B)  increased glucose utilization 
C)  orexins 
D)  leptin 
E)  insulin

Question 16

Use this figure to answer the corresponding questions.
The substance labeled 3 is called ____________________, and it is released from the ____________________ during a meal.

Accepted Answer

PYY (or pe

Question 17

Leptin stimulates the release of melanocortins.

Accepted Answer

A) True 
 B)False

Question 18

Complete each of the following statments.
A(n) ____________________ energy balance occurs when the amount of energy in food intake equals the amount of energy expended by the muscles performing external work.

Accepted Answer

The answer of Complete each of the following statments.
A(n) ____________________...

Question 19

Which of the following does not characterize heat exhaustion?

Accepted Answer

A)  reduced plasma volume 
B)  extensive sweating 
C)  rapidly rising body temperature 
D)  fainting 
E)  reduced blood pressure 
A)  reduced plasma volume 
B)  extensive sweating 
C)  rapidly rising body temperature 
D)  fainting 
E)  reduced blood pressure

Question 20

As the level of circulating, active thyroid hormone increases, the BMR increases correspondingly.

Accepted Answer

A) True 
 B)False

Exam 17: Energy Balance and Temperature Regulation

An elevated body temperature is always indicative of an infection.

Use this figure to answer the corresponding questions. Based on the information provided in the figure, number 2 is ____________________, and it ultimately has a negative effect on the secretion of ____________________ (number 7).

The most dominant factor influencing the BMR is the level of circulating, active thyroid hormone.

Leptin is a hormone released from adipose tissue.

The factor that increases the metabolic rate to the greatest extent is increased

The body temperature is normally maintained at an elevated level during sustained exercise.

Aspirin reduces a fever by inhibiting the synthesis of prostaglandins.

The core temperature is maintained at a near constant level, but skin temperature is quite variable.

In fever production

Which statement is incorrect?

An animal can be driven to overeat either by selective stimulation of the appetite centers or by destruction of the satiety centers.

The presence of skin blood vessels diminishes the effectiveness of the skin as an insulator.

Metabolic rate equals energy expenditure/unit of time.

Describe the physiological changes that occur during heatstroke.

Which does not act as a satiety signal?

Use this figure to answer the corresponding questions. The substance labeled 3 is called ____________________, and it is released from the ____________________ during a meal.

Leptin stimulates the release of melanocortins.

Complete each of the following statments. A(n) ____________________ energy balance occurs when the amount of energy in food intake equals the amount of energy expended by the muscles performing external work.

Which of the following does not characterize heat exhaustion?

As the level of circulating, active thyroid hormone increases, the BMR increases correspondingly.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

A--The Central Nervous System

B--The Central Nervous System

A--The Peripheral Nervous System: Afferent Division; Special Senses

B--The Peripheral Nervous System: Afferent Division; Special Senses

The Peripheral Nervous System: Efferent Division

A--Muscle Physiology

B--Muscle Physiology

A--Cardiac Physiology

B--Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

A--The Respiratory System

B--The Respiratory System

A--The Urinary System

B--The Urinary System

A--Fluid and Acid-Base Balance

B--Fluid and Acid-Base Balance

A--The Digestive System

B--The Digestive System

A--Principles of Endocrinology: the Central Endocrine Glands

B--Principles of Endocrinology: the Central Endocrine Glands

A--The Peripheral Endocrine Glands

B--The Peripheral Endocrine Glands

A--The Reproductive System

B--The Reproductive System

Filters

Use this figure to answer the corresponding questions. Based on the information provided in the figure, number 2 is , and it ultimately has a negative effect on the secretion of (number 7).

Use this figure to answer the corresponding questions. The substance labeled 3 is called , and it is released from the during a meal.