Question 1

Vasodilation in the dermis will:

Accepted Answer

A) increase the loss of body heat by radiation 
B) decrease the loss of body heat by sweating 
C) increase the loss of body heat by sweating 
D) decrease the loss of body heat by radiation 
A) increase the loss of body heat by radiation 
B) decrease the loss of body heat by sweating 
C) increase the loss of body heat by sweating 
D) decrease the loss of body heat by radiation A

Question 2

The mineral calcium is necessary for:

Accepted Answer

A) synthesis of bone matrix 
B) muscle contraction 
C) both A and B 
D) both A and B,and for blood clotting 
A) synthesis of bone matrix 
B) muscle contraction 
C) both A and B 
D) both A and B,and for blood clotting D

Question 3

In the cell respiration of glucose,most of the ATP is formed during which stage?

Accepted Answer

A) glycolysis 
B) the Krebs cycle 
C) the cytochrome transport system 
D) none of these,all stages are equal 
A) glycolysis 
B) the Krebs cycle 
C) the cytochrome transport system 
D) none of these,all stages are equal C

Question 4

Two vitamins that are considered to be antioxidants are:

Accepted Answer

A) C and E 
B) niacin and riboflavin 
C) D and K 
D) thiamin and biotin 
A) C and E 
B) niacin and riboflavin 
C) D and K 
D) thiamin and biotin

Question 5

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

Accepted Answer

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

Question 6

Vasodilation in the dermis will ___ the flow of blood near the body surface,and thereby ___ the loss of heat.

Accepted Answer

A) increase/decrease 
B) decrease/decrease 
C) increase/increase 
D) decrease/increase 
A) increase/decrease 
B) decrease/decrease 
C) increase/increase 
D) decrease/increase

Question 7

In cell respiration,oxygen is required for:

Accepted Answer

A) glycolysis 
B) glycolysis and the Krebs cycle 
C) the Krebs cycle and the cytochrome transport system 
D) the cytochrome transport system and glycolysis 
A) glycolysis 
B) glycolysis and the Krebs cycle 
C) the Krebs cycle and the cytochrome transport system 
D) the cytochrome transport system and glycolysis

Question 8

All of these may cause fevers except:

Accepted Answer

A) cells of the stratum corneum 
B) bacteria 
C) chemicals released by damaged cells 
D) viruses 
A) cells of the stratum corneum 
B) bacteria 
C) chemicals released by damaged cells 
D) viruses

Question 9

A meal consists of 30 grams of protein,90 grams of carbohydrates,and 20 grams of fat.The total kilocalories are:

Accepted Answer

A) 640 kcal 
B) 660 kcal 
C) 680 kcal 
D) 700 kcal 
A) 640 kcal 
B) 660 kcal 
C) 680 kcal 
D) 700 kcal

Question 10

Which of these food types is NOT paired with its correct yield of kilocalories per gram?

Accepted Answer

A) carbohydrates - 4 
B) proteins - 4 
C) fats - 9 
D) All of these are correct. 
A) carbohydrates - 4 
B) proteins - 4 
C) fats - 9 
D) All of these are correct.

Question 11

An endogenous pyrogen is one that is produced by:

Accepted Answer

A) bacteria 
B) a person's own cells 
C) both A and B 
D) both A and B,and by viruses 
A) bacteria 
B) a person's own cells 
C) both A and B 
D) both A and B,and by viruses

Question 12

Which statement is NOT true of metabolic rate?

Accepted Answer

A) The elderly usually have lower metabolic rates. 
B) Stress situations decrease the metabolic rate to conserve energy. 
C) Heat production is measured in kilocalories. 
D) The basal metabolic rate is the heat production when the body is at rest. 
A) The elderly usually have lower metabolic rates. 
B) Stress situations decrease the metabolic rate to conserve energy. 
C) Heat production is measured in kilocalories. 
D) The basal metabolic rate is the heat production when the body is at rest.

Question 13

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

Accepted Answer

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

Question 14

In order to be used in cell respiration,molecules of glycerol are changed to:

Accepted Answer

A) pyruvic acid 
B) fatty acids 
C) ketones 
D) glucose 
A) pyruvic acid 
B) fatty acids 
C) ketones 
D) glucose

Question 15

Vitamin C is necessary for normal bones and skin because it is needed for the:

Accepted Answer

A) synthesis of melanin 
B) absorption of calcium from food 
C) absorption of phosphorus from food 
D) synthesis of collagen 
A) synthesis of melanin 
B) absorption of calcium from food 
C) absorption of phosphorus from food 
D) synthesis of collagen

Question 16

Vasodilation in the dermis is NOT an effective heat-loss mechanism when:

Accepted Answer

A) the atmospheric humidity is high 
B) the atmospheric humidity is low 
C) the environmental temperature is warmer than body temperature 
D) the environmental temperature is colder than body temperature 
A) the atmospheric humidity is high 
B) the atmospheric humidity is low 
C) the environmental temperature is warmer than body temperature 
D) the environmental temperature is colder than body temperature

Question 17

The mineral phosphorus is necessary as part of:

Accepted Answer

A) DNA 
B) ATP 
C) both A and B 
D) both A and B,and RNA 
A) DNA 
B) ATP 
C) both A and B 
D) both A and B,and RNA

Question 18

Which statement is NOT true of temperature fluctuations in individuals?

Accepted Answer

A) Infants tend to retain heat and have higher body temperatures. 
B) The lowest body temperature usually occurs during sleep. 
C) In the elderly,temperature regulation may not be as efficient as it is in younger adults. 
D) Exercise tends to increase body temperature. 
A) Infants tend to retain heat and have higher body temperatures. 
B) The lowest body temperature usually occurs during sleep. 
C) In the elderly,temperature regulation may not be as efficient as it is in younger adults. 
D) Exercise tends to increase body temperature.

Question 19

In the process of cell respiration,the minerals iron and copper are both necessary for 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

Question 20

Which statement is NOT true of the use of food molecules in cell respiration?

Accepted Answer

A) Glycerol is changed to pyruvic acid and enters the Krebs cycle. 
B) Fatty acids are changed to acetyl groups to enter the Krebs cycle. 
C) Amino acids and fatty acids may be changed to ketones. 
D) Glucose may be changed to ketones. 
A) Glycerol is changed to pyruvic acid and enters the Krebs cycle. 
B) Fatty acids are changed to acetyl groups to enter the Krebs cycle. 
C) Amino acids and fatty acids may be changed to ketones. 
D) Glucose may be changed to ketones.

Exam 18:Body Temperature and Metabolism-Part C

Vasodilation in the dermis will:

The mineral calcium is necessary for:

In the cell respiration of glucose,most of the ATP is formed during which stage?

Two vitamins that are considered to be antioxidants are:

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

Vasodilation in the dermis will ___ the flow of blood near the body surface,and thereby ___ the loss of heat.

In cell respiration,oxygen is required for:

All of these may cause fevers except:

A meal consists of 30 grams of protein,90 grams of carbohydrates,and 20 grams of fat.The total kilocalories are:

Which of these food types is NOT paired with its correct yield of kilocalories per gram?

An endogenous pyrogen is one that is produced by:

Which statement is NOT true of metabolic rate?

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

In order to be used in cell respiration,molecules of glycerol are changed to:

Vitamin C is necessary for normal bones and skin because it is needed for the:

Vasodilation in the dermis is NOT an effective heat-loss mechanism when:

The mineral phosphorus is necessary as part of:

Which statement is NOT true of temperature fluctuations in individuals?

In the process of cell respiration,the minerals iron and copper are both necessary for which stage?

Which statement is NOT true of the use of food molecules in cell respiration?

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

Vasodilation in the dermis will _ the flow of blood near the body surface,and thereby _ the loss of heat.