Question 1

Discuss how our thirst mechanism prompts us to feel thirsty

Accepted Answer

The body's command centre for fluid inta

Question 2

Sports drinks are not necessary for individuals who engage in no or little exercise.

Accepted Answer

A) True 
 B)False

Question 3

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 4

What percentage of an adult's healthy body weight is fluid?

Accepted Answer

A)  50 to 30 
B)  50 
C)  50 to 70 
D)  50 to 90 
A)  50 to 30 
B)  50 
C)  50 to 70 
D)  50 to 90

Question 5

List 5 diuretics and describe how they affect fluid loss from our bodies.

Accepted Answer

A diuretic is a substance that increases

Question 6

What are 3 functions of sodium in the body? What is the Adequate Intake and Tolerable Upper Intake Level (UL) for sodium for adult men and women, and average Canadian intakes of sodium?

Accepted Answer

Sodium has a variety of functions. Some

Question 7

MOST water is lost daily via the

Accepted Answer

A)  skin. 
B)  lungs. 
C)  kidneys. 
D)  colon. 
A)  skin. 
B)  lungs. 
C)  kidneys. 
D)  colon.

Question 8

The majority of dietary chloride is consumed from

Accepted Answer

A)  animal protein sources. 
B)  alcohol. 
C)  vitamin supplements. 
D)  table salt. 
A)  animal protein sources. 
B)  alcohol. 
C)  vitamin supplements. 
D)  table salt.

Question 9

The swelling of tissues associated with hypernatremia is known as

Accepted Answer

A)  osmosis. 
B)  edema. 
C)  depolarization. 
D)  repolarization. 
A)  osmosis. 
B)  edema. 
C)  depolarization. 
D)  repolarization.

Question 10

Outline the sequence of events that occur during stimulation of a nerve cell.

Accepted Answer

Nerve impulses are initiated at the memb

Question 11

Describe the ways in which the healthy body loses fluid. How can changes in environmental conditions affect fluid loss?

Accepted Answer

We can perceive, or sense, water loss th

Question 12

Which of the following individuals is at risk for hyperkalemia?

Accepted Answer

A)  a marathon runner 
B)  a newborn 
C)  an individual who has a diet rich in processed foods 
D)  an individual with kidney disease 
A)  a marathon runner 
B)  a newborn 
C)  an individual who has a diet rich in processed foods 
D)  an individual with kidney disease

Question 13

Lean tissue contains a lower percentage of fluid compared with fat tissue.

Accepted Answer

A) True 
 B)False

Question 14

List three ways that our bodies gain fluids and three ways we lose fluids.

Accepted Answer

Our bodies gain fluids by:
-Consuming be

Question 15

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 16

You and your running partner are running your first marathon together. You have both done all the running preparation and have stayed well-hydrated over the past week. During the run, your partner starts to complain about a headache, dizziness, fatigue, nausea, and muscle cramps. She soon begins to vomit. You immediately call for medical help. What might your running partner be experiencing? How should she be treated?

Accepted Answer

It is likely that my running partner is

Question 17

Which of the following is NOT a major function of sodium?

Accepted Answer

A)  assists in muscle contraction 
B)  maintains fluid balance 
C)  maintains normal heart rhythm 
D)  maintains acid-base balance 
A)  assists in muscle contraction 
B)  maintains fluid balance 
C)  maintains normal heart rhythm 
D)  maintains acid-base balance

Question 18

Which of the following do sodium and potassium NOT have in common?

Accepted Answer

A)  Rich sources of both include fresh foods, such as bananas, cantaloupe, and potatoes. 
B)  Both participate in maintaining fluid balance. 
C)  Both are involved in nerve transmission. 
D)  Both are major electrolytes in the body. 
A)  Rich sources of both include fresh foods, such as bananas, cantaloupe, and potatoes. 
B)  Both participate in maintaining fluid balance. 
C)  Both are involved in nerve transmission. 
D)  Both are major electrolytes in the body.

Question 19

Which of the following is a major mineral?

Accepted Answer

A)  sodium 
B)  iron 
C)  zinc 
D)  copper 
A)  sodium 
B)  iron 
C)  zinc 
D)  copper

Question 20

Extreme dehydration, vomiting, and diarrhea can result in hypokalemia.

Accepted Answer

A) True 
 B)False

Exam 7: Nutrients Involved in Fluid and Electrolyte Balance

Discuss how our thirst mechanism prompts us to feel thirsty

Sports drinks are not necessary for individuals who engage in no or little exercise.

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

What percentage of an adult's healthy body weight is fluid?

List 5 diuretics and describe how they affect fluid loss from our bodies.

What are 3 functions of sodium in the body? What is the Adequate Intake and Tolerable Upper Intake Level (UL) for sodium for adult men and women, and average Canadian intakes of sodium?

MOST water is lost daily via the

The majority of dietary chloride is consumed from

The swelling of tissues associated with hypernatremia is known as

Outline the sequence of events that occur during stimulation of a nerve cell.

Describe the ways in which the healthy body loses fluid. How can changes in environmental conditions affect fluid loss?

Which of the following individuals is at risk for hyperkalemia?

Lean tissue contains a lower percentage of fluid compared with fat tissue.

List three ways that our bodies gain fluids and three ways we lose fluids.

Hyponatremia is associated with

Which of the following is NOT a major function of sodium?

Which of the following do sodium and potassium NOT have in common?

Which of the following is a major mineral?

Extreme dehydration, vomiting, and diarrhea can result in hypokalemia.

The Role of Nutrition in Our 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 Involved in Antioxidant Function

Nutrients Involved in Bone Health

Nutrients Involved in Energy Metabolism and Blood Health

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Impact on Consumers

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

Nutrition Through the Life Cycle: Childhood to Late Adulthood

alcohol

cancer

cardiovascular Disease

diabetes

dietary Supplements: Necessity or Waste

disordered Eating

disorders Related to Specific Foods

the Fetal Environment: a Lasting Impression

fluid Imbalance

global Nutrition

obesity

osteoporosis

phytochemicals

searching for the Fountain of Youth

vitamins and Minerals: Micronutrients With Macro Powers

Filters