Question 1

When a negative energy balance exists

Accepted Answer

A)  The body must make use of stored energy reserves. 
B)  The caloric content of the food ingested is less than the energy output. 
C)  The caloric content of the food ingested exceeds the energy lost due to heat or work. 
D)  Energy has been destroyed by catabolic processes within the body. 
E)  The body must make use of stored energy reserves, and the caloric content of the food ingested is less than the energy output 
A)  The body must make use of stored energy reserves. 
B)  The caloric content of the food ingested is less than the energy output. 
C)  The caloric content of the food ingested exceeds the energy lost due to heat or work. 
D)  Energy has been destroyed by catabolic processes within the body. 
E)  The body must make use of stored energy reserves, and the caloric content of the food ingested is less than the energy output

Question 2

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)  causes vasodilation of the skin vessels and 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. 
E)  all of these 
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)  causes vasodilation of the skin vessels and 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. 
E)  all of these

Question 3

Most people suffer convulsions when internal body temperature reaches ____$\degree$F.

Accepted Answer

A)  96 
B)  98 
C)  100 
D)  102 
E)  106 
A)  96 
B)  98 
C)  100 
D)  102 
E)  106

Question 4

Complete each of the following statments.
____________________ and neuropeptide ____________________ increase carbohydrate metabolism.

Accepted Answer

The answer of Complete each of the following statments.
____________________ and...

Question 5

Complete each of the following statments.
The region of the brain primarily responsible for controlling food intake is the ____________________.

Accepted Answer

The answer of Complete each of the following statments.
The region...

Question 6

Complete each of the following statments.
____________________ may serve as a satiety signal to stop eating before ingested food is actually digested, absorbed, and made available to meet the body's energy needs.

Accepted Answer

Cholecysto

Question 7

Leptin

Accepted Answer

A)  is secreted by adipocytes 
B)  leads to appetite suppression 
C)  targets the hypothalamus 
D)  is secreted by adipocytes and leads to appetite suppression 
E)  all of these 
A)  is secreted by adipocytes 
B)  leads to appetite suppression 
C)  targets the hypothalamus 
D)  is secreted by adipocytes and leads to appetite suppression 
E)  all of these

Question 8

Complete each of the following statments.
____________________ is the rhythmic, oscillating contraction of skeletal muscles.

Accepted Answer

The answer of Complete each of the following statments.
____________________ is...

Question 9

Weight loss occurs when the energy derived from the food consumed is less than the energy expended by the body.

Accepted Answer

A) True 
 B)False

Question 10

Upon exposure to heat, skin vasodilation occurs, which increases the temperature gradient between the skin and environment, thus promoting heat loss.

Accepted Answer

A) True 
 B)False

Question 11

Complete each of the following statments.
____________________ work refers to the energy expended by contracting skeletal muscles to accomplish movement of objects or the body within the external environment.

Accepted Answer

The answer of Complete each of the following statments.
____________________ work...

Question 12

An endogenous pyrogen can be released by ____ in the body.

Accepted Answer

A)  muscle cells 
B)  pathogens 
C)  platelets 
D)  erythrocytes 
E)  neutrophils 
A)  muscle cells 
B)  pathogens 
C)  platelets 
D)  erythrocytes 
E)  neutrophils

Question 13

The most important factor influencing heat transfer by radiation is the relative humidity of the atmosphere.

Accepted Answer

A) True 
 B)False

Question 14

The energy equivalent of oxygen is the

Accepted Answer

A)  number of calories contained in every liter of oxygen consumed 
B)  value that equates how much energy is liberated from food for every liter of oxygen consumed 
C)  oxygen consumption required for the processing and storage of ingested foodstuff 
D)  energy required to raise 1 g of H2O 1$\degree$C 
E)  none of these 
A)  number of calories contained in every liter of oxygen consumed 
B)  value that equates how much energy is liberated from food for every liter of oxygen consumed 
C)  oxygen consumption required for the processing and storage of ingested foodstuff 
D)  energy required to raise 1 g of H2O 1$\degree$C 
E)  none of these

Question 15

There are approximately ____ kilocalories of energy liberated per ____ of O2 consumed.

Accepted Answer

A)  3.8; milliliter 
B)  4.8; 10 liters 
C)  4.8; liter 
D)  4.0; 100 milliliters 
E)  both 3.8; milliliter and 4.8; liter 
A)  3.8; milliliter 
B)  4.8; 10 liters 
C)  4.8; liter 
D)  4.0; 100 milliliters 
E)  both 3.8; milliliter and 4.8; liter

Question 16

Most people's core temperature varies by about ____$\degree$F.

Accepted Answer

A)  0.6 
B)  1.8 
C)  2.6 
D)  4.0 
E)  5.2 
A)  0.6 
B)  1.8 
C)  2.6 
D)  4.0 
E)  5.2

Question 17

The temperature control center within the anterior region of the hypothalamus is activated by ____ and initiates reflexes that mediate ____.

Accepted Answer

A)  cold; heat production and heat conservation 
B)  cold; heat loss 
C)  warmth; heat loss 
D)  warmth; heat production and heat conservation 
E)  warmth; vasoconstriction 
A)  cold; heat production and heat conservation 
B)  cold; heat loss 
C)  warmth; heat loss 
D)  warmth; heat production and heat conservation 
E)  warmth; vasoconstriction

Question 18

5,300 calories is ____ kilocalories.

Accepted Answer

A)  00.53 
B)  0.53 
C)  5.3 
D)  53 
E)  5,300,000 
A)  00.53 
B)  0.53 
C)  5.3 
D)  53 
E)  5,300,000

Question 19

The thermoneutral zone is

Accepted Answer

A)  maintained by sweating and shivering mechanisms 
B)  the temperature within the body core that remains constant despite changes in environmental temperature 
C)  the environmental temperature range within which core temperature can be kept constant by skin vasomotor responses without calling supplementary heat-production or heat-loss mechanisms into play 
D)  the controlled environment within a building equipped with both heating and air-conditioning 
E)  the environmental temperature identical to core temperature so that body temperature is held constant without any physiological compensatory mechanisms being instituted 
A)  maintained by sweating and shivering mechanisms 
B)  the temperature within the body core that remains constant despite changes in environmental temperature 
C)  the environmental temperature range within which core temperature can be kept constant by skin vasomotor responses without calling supplementary heat-production or heat-loss mechanisms into play 
D)  the controlled environment within a building equipped with both heating and air-conditioning 
E)  the environmental temperature identical to core temperature so that body temperature is held constant without any physiological compensatory mechanisms being instituted

Question 20

Match between columns
                        Premises: heat stroke
hypothermia
anorexia
hyperthermia
exhaustion
obesity
frostbite

Accepted Answer

The Answer of State of collapse resulting from reduced blood is...

Exam 17: Energy Balance and Temperature Regulation

When a negative energy balance exists

Sweating

Most people suffer convulsions when internal body temperature reaches ____ °\degree° F.

Complete each of the following statments. ____________________ and neuropeptide ____________________ increase carbohydrate metabolism.

Complete each of the following statments. The region of the brain primarily responsible for controlling food intake is the ____________________.

Complete each of the following statments. ____________________ may serve as a satiety signal to stop eating before ingested food is actually digested, absorbed, and made available to meet the body's energy needs.

Leptin

Complete each of the following statments. ____________________ is the rhythmic, oscillating contraction of skeletal muscles.

Weight loss occurs when the energy derived from the food consumed is less than the energy expended by the body.

Upon exposure to heat, skin vasodilation occurs, which increases the temperature gradient between the skin and environment, thus promoting heat loss.

Complete each of the following statments. ____________________ work refers to the energy expended by contracting skeletal muscles to accomplish movement of objects or the body within the external environment.

An endogenous pyrogen can be released by ____ in the body.

The most important factor influencing heat transfer by radiation is the relative humidity of the atmosphere.

The energy equivalent of oxygen is the

There are approximately ____ kilocalories of energy liberated per ____ of O2 consumed.

Most people's core temperature varies by about ____ °\degree° F.

The temperature control center within the anterior region of the hypothalamus is activated by ____ and initiates reflexes that mediate ____.

5,300 calories is ____ kilocalories.

The thermoneutral zone is

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

Most people suffer convulsions when internal body temperature reaches ____ $\degree$ F.

Complete each of the following statments. and neuropeptide increase carbohydrate metabolism.

There are approximately kilocalories of energy liberated per of O₂ consumed.

Most people's core temperature varies by about ____ $\degree$ F.

The temperature control center within the anterior region of the hypothalamus is activated by and initiates reflexes that mediate .