Question 1

Temperature-regulating mechanisms are not 100% effective.

Accepted Answer

A) True 
 B)False

Question 2

The most important factor determining the extent of evaporation of sweat is the ____________________ of the air.

Accepted Answer

The answer of The most important factor determining the extent...

Question 3

Profuse sweating occurs during heat stroke as body temperature climbs rapidly.

Accepted Answer

A) True 
 B)False

Question 4

Signaling of the ____________________ division of the autonomic nervous system controls the vasomotor responses of the skin.

Accepted Answer

The answer of Signaling of the ____________________ division of the...

Question 5

____________________ is the rhythmic, oscillating contraction of skeletal muscles, and this is a heat-_______ mechanism.

Accepted Answer

The answer of ____________________ is the rhythmic, oscillating contraction of...

Question 6

Radiation

Accepted Answer

A) refers to heat emission from a warm object in the form of electromagnetic waves 
B) is only source of heat loss for the body; i.e., you can lose but not gain heat by radiation 
C) refers to the transfer of heat by direct contact between a warmer and cooler object 
D) involves the continued cycling of cool air over the body 
E) refers to the transformation of water from a gaseous to a liquid state 
A) refers to heat emission from a warm object in the form of electromagnetic waves 
B) is only source of heat loss for the body; i.e., you can lose but not gain heat by radiation 
C) refers to the transfer of heat by direct contact between a warmer and cooler object 
D) involves the continued cycling of cool air over the body 
E) refers to the transformation of water from a gaseous to a liquid state

Question 7

Leptin causes certain first-order neurons to release more of the chemical called _________, which, in turn, causes certain second-order neurons to release less __________; the result is a suppression of one's appetite.

Accepted Answer

melanocort

Question 8

________ does not occur upon exposure to cold.

Accepted Answer

A) Skin vasoconstriction 
B) Decreased muscle tone 
C) Nonshivering thermogenesis 
D) Behavioral adaptations 
E) Stimulation of thermoreceptors 
A) Skin vasoconstriction 
B) Decreased muscle tone 
C) Nonshivering thermogenesis 
D) Behavioral adaptations 
E) Stimulation of thermoreceptors

Question 9

Metabolic rate equals energy expenditure/unit of time.

Accepted Answer

A) True 
 B)False

Question 10

Visfatin is an adipokine that is released primarily in obesity and leads to insulin resistance.

Accepted Answer

A) True 
 B)False

Question 11

A decrease of insulin in the blood may signal satiety.

Accepted Answer

A) True 
 B)False

Question 12

Some thin people may be less efficient than some obese people at extracting energy from food.

Accepted Answer

A) True 
 B)False

Question 13

Sweating

Accepted Answer

A) causes vasodilation of the skin vessels 
B) increases the insulative capacity of the skin so that less heat can be gained from the environment 
C) is the only heat-loss mechanism available to the body when the environmental temperature is so high that a normal temperature gradient between the skin and the environment cannot be established 
D) both a and b 
E) both b and c 
A) causes vasodilation of the skin vessels 
B) increases the insulative capacity of the skin so that less heat can be gained from the environment 
C) is the only heat-loss mechanism available to the body when the environmental temperature is so high that a normal temperature gradient between the skin and the environment cannot be established 
D) both a and b 
E) both b and c

Question 14

The temperature control center in the posterior region of the hypothalamus is activated in response to cold exposure.

Accepted Answer

A) True 
 B)False

Question 15

____________________ work constitutes all forms of biological energy expenditure that do not accomplish mechanical work outside of the body.

Accepted Answer

The answer of ____________________ work constitutes all forms of biological...

Question 16

The satiety center is located in the ____ of the brain.

Accepted Answer

A) cerebellum 
B) cerebrum 
C) hypothalamus 
D) medulla 
E) thalamus 
A) cerebellum 
B) cerebrum 
C) hypothalamus 
D) medulla 
E) thalamus

Question 17

Which of the following is not a means of increasing or conserving heat production?

Accepted Answer

A) shivering 
B) skin vasodilation 
C) nonshivering thermogenesis 
D) increased muscle tone 
E) increased exercise 
A) shivering 
B) skin vasodilation 
C) nonshivering thermogenesis 
D) increased muscle tone 
E) increased exercise

Question 18

The basal metabolic rate is the body's lowest metabolic rate.

Accepted Answer

A) True 
 B)False

Question 19

Shivering is the main voluntary means of increasing the production of heat in the body.

Accepted Answer

A) True 
 B)False

Question 20

The temperature-sensitive receptors that monitor skin and core temperature are termed ____________________.

Accepted Answer

The answer of The temperature-sensitive receptors that monitor skin and...

Temperature-regulating mechanisms are not 100% effective.

The most important factor determining the extent of evaporation of sweat is the ____________________ of the air.

Profuse sweating occurs during heat stroke as body temperature climbs rapidly.

Signaling of the ____________________ division of the autonomic nervous system controls the vasomotor responses of the skin.

______________ is the rhythmic, oscillating contraction of skeletal muscles, and this is a heat-_ mechanism.

Radiation

Leptin causes certain first-order neurons to release more of the chemical called _, which, in turn, causes certain second-order neurons to release less __; the result is a suppression of one's appetite.

________ does not occur upon exposure to cold.

Metabolic rate equals energy expenditure/unit of time.

Visfatin is an adipokine that is released primarily in obesity and leads to insulin resistance.

A decrease of insulin in the blood may signal satiety.

Some thin people may be less efficient than some obese people at extracting energy from food.

Sweating

The temperature control center in the posterior region of the hypothalamus is activated in response to cold exposure.

____________________ work constitutes all forms of biological energy expenditure that do not accomplish mechanical work outside of the body.

The satiety center is located in the ____ of the brain.

Which of the following is not a means of increasing or conserving heat production?

The basal metabolic rate is the body's lowest metabolic rate.

Shivering is the main voluntary means of increasing the production of heat in the body.

The temperature-sensitive receptors that monitor skin and core temperature are termed ____________________.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

Exam 17: Energy Balance and Temperature Regulation

Temperature-regulating mechanisms are not 100% effective.

The most important factor determining the extent of evaporation of sweat is the ____________________ of the air.

Profuse sweating occurs during heat stroke as body temperature climbs rapidly.

Signaling of the ____________________ division of the autonomic nervous system controls the vasomotor responses of the skin.

____________________ is the rhythmic, oscillating contraction of skeletal muscles, and this is a heat-_______ mechanism.

Radiation

Leptin causes certain first-order neurons to release more of the chemical called _________, which, in turn, causes certain second-order neurons to release less __________; the result is a suppression of one's appetite.

________ does not occur upon exposure to cold.

Metabolic rate equals energy expenditure/unit of time.

Visfatin is an adipokine that is released primarily in obesity and leads to insulin resistance.

A decrease of insulin in the blood may signal satiety.

Some thin people may be less efficient than some obese people at extracting energy from food.

Sweating

The temperature control center in the posterior region of the hypothalamus is activated in response to cold exposure.

____________________ work constitutes all forms of biological energy expenditure that do not accomplish mechanical work outside of the body.

The satiety center is located in the ____ of the brain.

Which of the following is not a means of increasing or conserving heat production?

The basal metabolic rate is the body's lowest metabolic rate.

Shivering is the main voluntary means of increasing the production of heat in the body.

The temperature-sensitive receptors that monitor skin and core temperature are termed ____________________.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood Vessels and Blood Pressure

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

______________ is the rhythmic, oscillating contraction of skeletal muscles, and this is a heat-_ mechanism.

Leptin causes certain first-order neurons to release more of the chemical called _, which, in turn, causes certain second-order neurons to release less __; the result is a suppression of one's appetite.