Question 1

Forty-one degrees F is closest to ___ degrees C.

Accepted Answer

A) 5 
B) 10 
C) 15 
D) 20 
A) 5 
B) 10 
C) 15 
D) 20

Question 2

In a warm environment,decreased muscle tone will decrease ___,and dermal vasodilation will increase ___.

Accepted Answer

A) heat production/heat production 
B) heat loss/heat production 
C) heat production/heat loss 
D) heat loss/heat loss 
A) heat production/heat production 
B) heat loss/heat production 
C) heat production/heat loss 
D) heat loss/heat loss

Question 3

In a cold environment,the arterioles in the dermis will:

Accepted Answer

A) dilate to release heat 
B) dilate to conserve heat 
C) constrict to release heat 
D) constrict to conserve heat 
A) dilate to release heat 
B) dilate to conserve heat 
C) constrict to release heat 
D) constrict to conserve heat

Question 4

Vitamin A is necessary for the synthesis of:

Accepted Answer

A) insulin 
B) thyroxine 
C) collagen in the dermis 
D) rhodopsin in the retina 
A) insulin 
B) thyroxine 
C) collagen in the dermis 
D) rhodopsin in the retina

Question 5

The vitamin riboflavin is directly necessary for:

Accepted Answer

A) cell respiration 
B) digestion of starches 
C) synthesis of RNA 
D) efficient fat storage in adipose tissue 
A) cell respiration 
B) digestion of starches 
C) synthesis of RNA 
D) efficient fat storage in adipose tissue

Question 6

A windy 50°F day feels cooler than a still 50°F day because of the process of:

Accepted Answer

A) conduction 
B) convection 
C) evaporation 
D) radiation 
A) conduction 
B) convection 
C) evaporation 
D) radiation

Question 7

A high fever may cause brain damage because ___ lose their shapes.

Accepted Answer

A) proteins 
B) enzymes 
C) both A and B 
D) both A and B,and glucose molecules 
A) proteins 
B) enzymes 
C) both A and B 
D) both A and B,and glucose molecules

Question 8

Kilocalories (or more simply,calories)are a measure of the:

Accepted Answer

A) energy content of food 
B) fat factor of food 
C) both A and B 
D) both A and B,and the growth potential of food 
A) energy content of food 
B) fat factor of food 
C) both A and B 
D) both A and B,and the growth potential of food

Question 9

Two minerals needed for synthesis reactions are ___ for bones,and ___ for myoglobin.

Accepted Answer

A) calcium/iron 
B) phosphorus/sulfur 
C) calcium/sulfur 
D) potassium/iron 
A) calcium/iron 
B) phosphorus/sulfur 
C) calcium/sulfur 
D) potassium/iron

Question 10

The disadvantage of sweating as a heat loss mechanism is:

Accepted Answer

A) loss of water 
B) potential dehydration 
C) both A and B 
D) both A and B,and retention of sodium 
A) loss of water 
B) potential dehydration 
C) both A and B 
D) both A and B,and retention of sodium

Question 11

Catabolism is the collective term for:

Accepted Answer

A) synthesis reactions 
B) reversible reactions 
C) decomposition reactions 
D) energy-requiring reactions 
A) synthesis reactions 
B) reversible reactions 
C) decomposition reactions 
D) energy-requiring reactions

Question 12

Which statement is NOT true of carbohydrate metabolism?

Accepted Answer

A) In cell respiration,glucose is broken down to carbon dioxide and water. 
B) Glucose is needed for the synthesis of the pentose sugars. 
C) A gram of carbohydrate yields 7 kilocalories of energy. 
D) Excess glucose may be stored as glycogen in the liver and skeletal muscles. 
A) In cell respiration,glucose is broken down to carbon dioxide and water. 
B) Glucose is needed for the synthesis of the pentose sugars. 
C) A gram of carbohydrate yields 7 kilocalories of energy. 
D) Excess glucose may be stored as glycogen in the liver and skeletal muscles.

Question 13

Substances that cause fevers are called ___,and include ___.

Accepted Answer

A) pyrogens/bacteria 
B) antipyretics/viruses 
C) antipyretics/bacteria 
D) pyrogens/red blood cells 
A) pyrogens/bacteria 
B) antipyretics/viruses 
C) antipyretics/bacteria 
D) pyrogens/red blood cells

Question 14

The stage of cell respiration that takes place in the cytoplasm of cells is:

Accepted Answer

A) glycolysis 
B) the Krebs cycle 
C) the cytochrome transport system 
D) all of these 
A) glycolysis 
B) the Krebs cycle 
C) the cytochrome transport system 
D) all of these

Question 15

The mineral zinc is needed as part of an enzyme that is necessary for:

Accepted Answer

A) carbon dioxide transport 
B) synthesis of the matrix of bones and teeth 
C) oxygen transport 
D) normal nerve impulse transmission 
A) carbon dioxide transport 
B) synthesis of the matrix of bones and teeth 
C) oxygen transport 
D) normal nerve impulse transmission

Question 16

Metabolic rate will be increased by:
1.sympathetic stimulation
2.fasting
3.living in a cold climate
4.exercise

Accepted Answer

A) 1,3,and 4 
B) 2 and 4 
C) 1 and 4 
D) 2,3,and 4 
A) 1,3,and 4 
B) 2 and 4 
C) 1 and 4 
D) 2,3,and 4

Question 17

The hormone that is most important for daily regulation of cell respiration and heat production is:

Accepted Answer

A) aldosterone 
B) norepinephrine 
C) epinephrine 
D) thyroxine 
A) aldosterone 
B) norepinephrine 
C) epinephrine 
D) thyroxine

Question 18

Which statement is NOT true of amino acid metabolism?

Accepted Answer

A) The most important use for amino acids is protein synthesis. 
B) A gram of protein yields 4 kilocalories. 
C) Excess amino acids are changed to simple carbohydrates to be used for energy. 
D) The liver synthesizes the essential amino acids. 
A) The most important use for amino acids is protein synthesis. 
B) A gram of protein yields 4 kilocalories. 
C) Excess amino acids are changed to simple carbohydrates to be used for energy. 
D) The liver synthesizes the essential amino acids.

Question 19

The essential fatty acids are those that:

Accepted Answer

A) cannot be synthesized by the liver 
B) are needed to synthesize cholesterol 
C) are needed to enable fats to be stored for energy 
D) must be synthesized by the liver 
A) cannot be synthesized by the liver 
B) are needed to synthesize cholesterol 
C) are needed to enable fats to be stored for energy 
D) must be synthesized by the liver

Question 20

In the cell respiration of glucose,pyruvic acid is formed during which stage?

Accepted Answer

A) glycolysis 
B) the Krebs cycle 
C) the cytochrome transport system 
D) all three stages 
A) glycolysis 
B) the Krebs cycle 
C) the cytochrome transport system 
D) all three stages

Exam 18:Body Temperature and Metabolism-Part C

Forty-one degrees F is closest to ___ degrees C.

In a warm environment,decreased muscle tone will decrease ___,and dermal vasodilation will increase ___.

In a cold environment,the arterioles in the dermis will:

Vitamin A is necessary for the synthesis of:

The vitamin riboflavin is directly necessary for:

A windy 50°F day feels cooler than a still 50°F day because of the process of:

A high fever may cause brain damage because ___ lose their shapes.

Kilocalories (or more simply,calories)are a measure of the:

Two minerals needed for synthesis reactions are ___ for bones,and ___ for myoglobin.

The disadvantage of sweating as a heat loss mechanism is:

Catabolism is the collective term for:

Which statement is NOT true of carbohydrate metabolism?

Substances that cause fevers are called ___,and include ___.

The stage of cell respiration that takes place in the cytoplasm of cells is:

The mineral zinc is needed as part of an enzyme that is necessary for:

Metabolic rate will be increased by: 1.sympathetic stimulation 2.fasting 3.living in a cold climate 4.exercise

The hormone that is most important for daily regulation of cell respiration and heat production is:

Which statement is NOT true of amino acid metabolism?

The essential fatty acids are those that:

In the cell respiration of glucose,pyruvic acid is formed during which stage?

Organization and General Plan of the Body-Part A

Organization and General Plan of the Body-Part B

Organization and General Plan of the Body-Part C

Some Basic Chemistry-Part A

Some Basic Chemistry-Part B

Some Basic Chemistry-Part C

Cells-Part A

Cells-Part B

Cells-Part C

Tissues and Membranes-Part A

Tissues and Membranes-Part B

Tissues and Membranes-Part C

The Integumentary System-Part A

The Integumentary System-Part B

The Integumentary System-Part C

The Skeletal System-Part A

The Skeletal System-Part B

The Skeletal System-Part C

The Muscular System-Part A

The Muscular System-Part B

The Muscular System-Part C

The Nervous System-Part A

The Nervous System-Part B

The Nervous System-Part C

The Senses-Part A

The Senses-Part B

The Senses-Part C

The Endocrine System-Part A

The Endocrine System-Part B

The Endocrine System-Part C

Blood-Part A

Blood-Part B

Blood-Part C

The Heart-Part A

The Heart-Part B

The Heart-Part C

The Vascular System-Part A

The Vascular System-Part B

The Vascular System-Part C

The Lymphatic System and Immunity-Part A

The Lymphatic System and Immunity-Part B

The Lymphatic System and Immunity-Part C

The Respiratory System-Part A

The Respiratory System-Part B

The Respiratory System-Part C

The Digestive System-Part A

The Digestive System-Part B

The Digestive System-Part C

Body Temperature and Metabolism-Part A

Body Temperature and Metabolism-Part B

The Urinary System-Part A

The Urinary System-Part B

The Urinary System-Part C

Fluid–Electrolyte and Acid–Base Balance-Part A

Fluid–Electrolyte and Acid–Base Balance-Part B

Fluid–Electrolyte and Acid–Base Balance-Part C

The Reproductive Systems-Part A

The Reproductive Systems-Part B

The Reproductive Systems-Part C

In a warm environment,decreased muscle tone will decrease _,and dermal vasodilation will increase _.

Two minerals needed for synthesis reactions are _ for bones,and _ for myoglobin.

Substances that cause fevers are called _,and include _.