Question 1

Compare and contrast the various means by which the body loses and gains heat to and from the environment.

Accepted Answer

The body can lose and gain heat through

Question 2

Which of these statements does NOT correctly describe internal work?

Accepted Answer

A) It is energy required for active transport. 
B) It is energy required to pump blood. 
C)  It is energy required to move the body in relation to the environment. 
D)  It is energy used during synthetic reactions. 
A) It is energy required for active transport. 
B) It is energy required to pump blood. 
C)  It is energy required to move the body in relation to the environment. 
D)  It is energy used during synthetic reactions.

Question 3

About how many kilocalories of energy are liberated by consumption of three litres of oxygen?

Accepted Answer

A) 4.8 kcal 
B) 9.6 kcal 
C)  14.4 kcal 
D)  19.2 kcal 
A) 4.8 kcal 
B) 9.6 kcal 
C)  14.4 kcal 
D)  19.2 kcal

Question 4

Which of these mechanisms does NOT help to maintain body temperature on hot days?

Accepted Answer

A) decreased muscle tone 
B) vasoconstriction of skin vessels 
C)  sweating 
D)  vasodilation of skin vessels 
A) decreased muscle tone 
B) vasoconstriction of skin vessels 
C)  sweating 
D)  vasodilation of skin vessels

Question 5

Which of these statements correctly describes core temperature?

Accepted Answer

A) It is normally maintained relatively constant around 37.0°C. 
B) It is the temperature of the spine. 
C)  It is the temperature of the skin. 
D)  It is the temperature of subcutaneous fat. 
A) It is normally maintained relatively constant around 37.0°C. 
B) It is the temperature of the spine. 
C)  It is the temperature of the skin. 
D)  It is the temperature of subcutaneous fat.

Question 6

Which of the following compounds is an important satiety signal?

Accepted Answer

A) ADH 
B) leptin 
C)  glucagon 
D)  glucose 
A) ADH 
B) leptin 
C)  glucagon 
D)  glucose

Question 7

Which of these statements pertains to the energy equivalent of oxygen?

Accepted Answer

A) the number of calories contained in every litre of oxygen consumed 
B) the value that equates how much energy is liberated from food for every litre of oxygen consumed 
C)  the oxygen consumption required for the processing and storage of ingested foodstuff 
D)  the energy required to raise 1 g of H2O 1°C 
A) the number of calories contained in every litre of oxygen consumed 
B) the value that equates how much energy is liberated from food for every litre of oxygen consumed 
C)  the oxygen consumption required for the processing and storage of ingested foodstuff 
D)  the energy required to raise 1 g of H2O 1°C

Question 8

Peripheral thermoreceptors monitor skin temperature.

Accepted Answer

A) True 
 B)False

Question 9

Which of these statements correctly describes internal work?

Accepted Answer

A) It includes all the energy-expending activities that must go on all the time to sustain life. 
B) It refers to all energy expenditure by tissues other than skeletal muscles. 
C)  It includes the energy expenditure required to move external objects. 
D)  It refers to all energy expenditure by skeletal muscles. 
A) It includes all the energy-expending activities that must go on all the time to sustain life. 
B) It refers to all energy expenditure by tissues other than skeletal muscles. 
C)  It includes the energy expenditure required to move external objects. 
D)  It refers to all energy expenditure by skeletal muscles.

Question 10

Match the terms labelled a. through g. with the correct characteristic.
a.hypothermia
b.obesity
c.frostbite
d.hyperthermia
e.anorexia
f.heat stroke
g.heat exhaustion
-excessive fat content in adipose tissues stores

Accepted Answer

The answer of Match the terms labelled a. through g....

Question 11

Which of these statements does NOT correctly describe the control of food intake?

Accepted Answer

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

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

Leptin stimulates the release of melanocortins.

Accepted Answer

A) True 
 B)False

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

The appetite centres stimulate feeding behaviour, whereas the satiety centres inhibit feeding behaviour.

Accepted Answer

A) True 
 B)False

Question 16

The ____________________ humidity is the most important factor influencing the evaporation of sweat.

Accepted Answer

The answer of The ____________________ humidity is the most important...

Question 17

An elevation in body temperature due to reasons other than an infection is known as ____________________.

Accepted Answer

The answer of An elevation in body temperature due to...

Question 18

Which of these statements correctly describes nonshivering thermogenesis?

Accepted Answer

A) It is stimulated by epinephrine and thyroid hormone. 
B) It refers to the general increase in muscle tone in response to abrupt exposure to cold. 
C)  It enhances the insulative capacity of the skin by promoting increased deposition of brown fat under the skin. 
D)  It refers to the elevation of body temperature in response to pyrogen release. 
A) It is stimulated by epinephrine and thyroid hormone. 
B) It refers to the general increase in muscle tone in response to abrupt exposure to cold. 
C)  It enhances the insulative capacity of the skin by promoting increased deposition of brown fat under the skin. 
D)  It refers to the elevation of body temperature in response to pyrogen release.

Question 19

Norepinephrine and neuropeptide ____________________ increase carbohydrate metabolism.

Accepted Answer

The answer of Norepinephrine and neuropeptide ____________________ increase carbohydrate metabolism....

Question 20

Match the items labelled a. through e. with their descriptions.
a.energy equivalent of oxygen
b.external work
c.calorie
d.basal metabolic rate
e.internal work
-quantity of heat produced per litre of O2 consumed

Accepted Answer

Compare and contrast the various means by which the body loses and gains heat to and from the environment.

Which of these statements does NOT correctly describe internal work?

About how many kilocalories of energy are liberated by consumption of three litres of oxygen?

Which of these mechanisms does NOT help to maintain body temperature on hot days?

Which of these statements correctly describes core temperature?

Which of the following compounds is an important satiety signal?

Which of these statements pertains to the energy equivalent of oxygen?

Peripheral thermoreceptors monitor skin temperature.

Which of these statements correctly describes internal work?

Match the terms labelled a. through g. with the correct characteristic. a.hypothermia b.obesity c.frostbite d.hyperthermia e.anorexia f.heat stroke g.heat exhaustion -excessive fat content in adipose tissues stores

Which of these statements does NOT correctly describe the control of food intake?

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

Leptin stimulates the release of melanocortins.

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

The appetite centres stimulate feeding behaviour, whereas the satiety centres inhibit feeding behaviour.

The ____________________ humidity is the most important factor influencing the evaporation of sweat.

An elevation in body temperature due to reasons other than an infection is known as ____________________.

Which of these statements correctly describes nonshivering thermogenesis?

Norepinephrine and neuropeptide ____________________ increase carbohydrate metabolism.

Match the items labelled a. through e. with their descriptions. a.energy equivalent of oxygen b.external work c.calorie d.basal metabolic rate e.internal work -quantity of heat produced per litre of O₂ consumed

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

The Digestive System

Energy Balance and Temperature Regulation

Filters

Exam 15: Fluid and Acidbase Balance

Compare and contrast the various means by which the body loses and gains heat to and from the environment.

Which of these statements does NOT correctly describe internal work?

About how many kilocalories of energy are liberated by consumption of three litres of oxygen?

Which of these mechanisms does NOT help to maintain body temperature on hot days?

Which of these statements correctly describes core temperature?

Which of the following compounds is an important satiety signal?

Which of these statements pertains to the energy equivalent of oxygen?

Peripheral thermoreceptors monitor skin temperature.

Which of these statements correctly describes internal work?

Match the terms labelled a. through g. with the correct characteristic. a.hypothermia b.obesity c.frostbite d.hyperthermia e.anorexia f.heat stroke g.heat exhaustion -excessive fat content in adipose tissues stores

Which of these statements does NOT correctly describe the control of food intake?

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

Leptin stimulates the release of melanocortins.

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

The appetite centres stimulate feeding behaviour, whereas the satiety centres inhibit feeding behaviour.

The ____________________ humidity is the most important factor influencing the evaporation of sweat.

An elevation in body temperature due to reasons other than an infection is known as ____________________.

Which of these statements correctly describes nonshivering thermogenesis?

Norepinephrine and neuropeptide ____________________ increase carbohydrate metabolism.

Match the items labelled a. through e. with their descriptions. a.energy equivalent of oxygen b.external work c.calorie d.basal metabolic rate e.internal work -quantity of heat produced per litre of O2 consumed

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

The Digestive System

Energy Balance and Temperature Regulation

Filters

Match the items labelled a. through e. with their descriptions. a.energy equivalent of oxygen b.external work c.calorie d.basal metabolic rate e.internal work -quantity of heat produced per litre of O₂ consumed