Question 1

What is the function of synovial fluid?

Accepted Answer

A)  maintains blood volume 
B)  transports nutrients through the body 
C)  lubricates body joints 
D)  maintains body temperature 
A)  maintains blood volume 
B)  transports nutrients through the body 
C)  lubricates body joints 
D)  maintains body temperature

Question 2

Explain why the risk for heat stroke is higher in an overweight football player training in hot and humid conditions than in a normal weight sprinter training in a gym.

Accepted Answer

The risk for heat stroke is higher in an

Question 3

What factors should you consider before purchasing bottled water?

Accepted Answer

There are several factors to consider be

Question 4

Drinking eight glasses of fluid each day ensures that all healthy adults will meet their fluid needs.

Accepted Answer

A) True 
 B)False

Question 5

Water functions as an excellent solvent,which means that

Accepted Answer

A)  it helps to regulate body temperature. 
B)  it helps to maintain blood volume. 
C)  it flushes toxins out of the body. 
D)  it is capable of dissolving a wide variety of substances. 
A)  it helps to regulate body temperature. 
B)  it helps to maintain blood volume. 
C)  it flushes toxins out of the body. 
D)  it is capable of dissolving a wide variety of substances.

Question 6

A condition characterized by very high blood sodium levels is

Accepted Answer

A)  hypernatremia. 
B)  hyponatremia. 
C)  hyperkalemia. 
D)  hypokalemia. 
A)  hypernatremia. 
B)  hyponatremia. 
C)  hyperkalemia. 
D)  hypokalemia.

Question 7

Which of the following is NOT a mechanism to maintain the body's internal temperature?

Accepted Answer

A)  Fluid acts as a coolant by increasing the blood flow from the warm body core to the peripheral tissue, thus cooling the body. 
B)  Fluid has a high capacity for heat, so it requires a great deal of energy to raise its temperature. 
C)  Fluid is evaporated as sweat from the skin's surface, thus cooling the body. 
D)  Warmed fluids from the body's surface return to the body's core, thus heating the body. 
A)  Fluid acts as a coolant by increasing the blood flow from the warm body core to the peripheral tissue, thus cooling the body. 
B)  Fluid has a high capacity for heat, so it requires a great deal of energy to raise its temperature. 
C)  Fluid is evaporated as sweat from the skin's surface, thus cooling the body. 
D)  Warmed fluids from the body's surface return to the body's core, thus heating the body.

Question 8

Explain the association between the water-repellant nature of lipids and the fact that a muscular person will have a greater percentage of body fluid than a person of the same body weight who has less muscle and more body fat.

Accepted Answer

The water-repellant nature of lipids is

Question 9

Quenching thirst assures adequate fluid intake.

Accepted Answer

A) True 
 B)False

Question 10

Which is NOT a function of chloride?

Accepted Answer

A)  assists in regulating the body's fluid balance 
B)  assists in the transmission of nerve impulses 
C)  in the form of hydrochloric acid, helps prepare food for digestion 
D)  used in public water supplies to kill harmful bacteria 
A)  assists in regulating the body's fluid balance 
B)  assists in the transmission of nerve impulses 
C)  in the form of hydrochloric acid, helps prepare food for digestion 
D)  used in public water supplies to kill harmful bacteria

Question 11

Which of the following is a diuretic?

Accepted Answer

A)  alcohol 
B)  milk 
C)  water 
D)  orange juice 
A)  alcohol 
B)  milk 
C)  water 
D)  orange juice

Question 12

When solute concentrations are equal on both sides of the cell membrane,osmosis begins.

Accepted Answer

A) True 
 B)False

Question 13

Which is NOT a symptom of low blood pressure?

Accepted Answer

A)  stroke 
B)  confusion 
C)  dizziness 
D)  fatigue 
A)  stroke 
B)  confusion 
C)  dizziness 
D)  fatigue

Question 14

Hyponatremia is associated with

Accepted Answer

A)  insufficient intake of dietary sodium. 
B)  excessive intake of dietary sodium. 
C)  dehydration. 
D)  overhydration. 
A)  insufficient intake of dietary sodium. 
B)  excessive intake of dietary sodium. 
C)  dehydration. 
D)  overhydration.

Question 15

Bottled water is safer to drink than tap water.

Accepted Answer

A) True 
 B)False

Question 16

A condition characterized by dangerously high potassium levels in the blood is

Accepted Answer

A)  hyperkalemia. 
B)  hypokalemia. 
C)  hypernatremia. 
D)  hyponatremia. 
A)  hyperkalemia. 
B)  hypokalemia. 
C)  hypernatremia. 
D)  hyponatremia.

Question 17

Diets rich in which of the following nutrients are associated with maintaining healthy blood pressure levels?

Accepted Answer

A)  sodium 
B)  chloride 
C)  potassium 
D)  phosphorus 
A)  sodium 
B)  chloride 
C)  potassium 
D)  phosphorus

Question 18

Which of the following individuals will benefit the MOST from consuming a sports beverage?

Accepted Answer

A)  athlete who exercises intensely for more than one hour 
B)  child who will not drink milk 
C)  adult who participates in regular physical activity 30 minutes a day 
D)  elderly person who is taking a diuretic 
A)  athlete who exercises intensely for more than one hour 
B)  child who will not drink milk 
C)  adult who participates in regular physical activity 30 minutes a day 
D)  elderly person who is taking a diuretic

Question 19

A potentially fatal condition characterized by the failure of the body's heat-regulating mechanisms is

Accepted Answer

A)  hypertension. 
B)  fever. 
C)  dehydration. 
D)  heat stroke. 
A)  hypertension. 
B)  fever. 
C)  dehydration. 
D)  heat stroke.

Question 20

Consuming too much sodium will result in hypernatremia in most healthy individuals.

Accepted Answer

A) True 
 B)False

Exam 7: Nutrients Involved in Fluid and Electrolyte Balance

What is the function of synovial fluid?

Explain why the risk for heat stroke is higher in an overweight football player training in hot and humid conditions than in a normal weight sprinter training in a gym.

What factors should you consider before purchasing bottled water?

Drinking eight glasses of fluid each day ensures that all healthy adults will meet their fluid needs.

Water functions as an excellent solvent,which means that

A condition characterized by very high blood sodium levels is

Which of the following is NOT a mechanism to maintain the body's internal temperature?

Explain the association between the water-repellant nature of lipids and the fact that a muscular person will have a greater percentage of body fluid than a person of the same body weight who has less muscle and more body fat.

Quenching thirst assures adequate fluid intake.

Which is NOT a function of chloride?

Which of the following is a diuretic?

When solute concentrations are equal on both sides of the cell membrane,osmosis begins.

Which is NOT a symptom of low blood pressure?

Hyponatremia is associated with

Bottled water is safer to drink than tap water.

A condition characterized by dangerously high potassium levels in the blood is

Diets rich in which of the following nutrients are associated with maintaining healthy blood pressure levels?

Which of the following individuals will benefit the MOST from consuming a sports beverage?

A potentially fatal condition characterized by the failure of the body's heat-regulating mechanisms is

Consuming too much sodium will result in hypernatremia in most healthy individuals.

Nutrition: Linking Food and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Nutrients Essential to Key Body Functions

Nutrients Essential to Healthy Tissues

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Protecting Our Food

Food Equity,Sustainability,and Quality: The Challenge of Good Food

Nutrition Through the Lifecycle: Pregnancy and the First Year of Life

Nutrition Through the Lifecycle: Childhood to Late Adulthood

New Frontiers in Nutrition and Health

Healthful Eating Patterns

Disorders Related to Specific Foods

Diabetes

Cardiovascular Disease

Vitamins and Minerals: Micronutrients With Macro Powers

Alcohol

Cancer

Osteoporosis

Obesity

Disorders Related to Body Image, Eating, and Exercise

The Safety and Effectiveness of Dietary Supplements

Malnutrition

The Fetal Environment

Searching for the Fountain of Youth

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