Question 1

What is insensible water loss?

Accepted Answer

A)   Loss of water as a result of sweating but not cooling in humid conditions
B)   Large losses of water due to excessive sweating
C)   Loss of water from the body that is not noticeable
D)   Excessive loss of water through urine C

Question 2

Assuming that it can be tolerated, which athlete may find a beverage containing a carbohydrate concentration greater than 10% to be beneficial during exercise?

Accepted Answer

A)   800 m runner
B)   10,000 m (10 K)  runner
C)   Ultraendurance runner
D)   A team sport athlete C

Question 3

Match the statement with the term that best describes it. Answers may be used more than once.
a.hypotonic
b.hypertonic
c.osmosis
d.osmolarity
e.hydrostatic pressure
-The movement of fluid occurs as a result of controlling the amount of water in the ECF and the ____ of the ECF.

Accepted Answer

d

Question 4

Good advice to athletes who exercise in hot, humid conditions is to drink as much as possible before and during exercise.

Accepted Answer

A) True 
 B)False

Question 5

It is easy for athletes who train in the heat to dehydrate because the rate of water absorption from the stomach and intestine is usually slower than the rate of loss from sweat.

Accepted Answer

A) True 
 B)False

Question 6

The term voluntary dehydration refers to athletes engaged in exercise who are ____.

Accepted Answer

A)   assigned to the control group in research studies examining fluid intake
B)   not within five pounds of their pre-exercise weight
C)   testing the precision of their thirst mechanism
D)   unable or unwilling to consume sufficient fluid to offset fluid loss

Question 7

When body fluids have a solute concentration that is greater than the concentration of solutes in the cells, they are referred to as ____.

Accepted Answer

A)   hypotonic
B)   isotonic
C)   hypertonic
D)   in equilibrium

Question 8

As a rule of thumb, the American College of Sports Medicine recommends a fluid intake at least four (4) hours prior to exercise of approximately ____.

Accepted Answer

A)   240 ml
B)   500 ml
C)   5-7 ml/kg
D)   10-15 ml/kg

Question 9

In the U.S., the amount of caffeine contained in an energy beverage must be stated on the label.

Accepted Answer

A) True 
 B)False

Question 10

It would be inappropriate to use scale weight to monitor exercise-related fluid loss and subsequent rehydration with which of the following athletes?

Accepted Answer

A)   Endurance athlete exercising in the heat
B)   Endurance athlete exercising in humid conditions
C)   Strength athlete
D)   Athlete struggling with body image

Question 11

Exertional heat cramps may be the result of rapid and large losses of fluid and sodium.

Accepted Answer

A) True 
 B)False

Question 12

Match the statement with the term that best describes it. Answers may be used more than once.
a.hypotonic
b.hypertonic
c.osmosis
d.osmolarity
e.hydrostatic pressure
-Results in water moving from blood plasma to interstitial spaces.

Accepted Answer

The answer of Match the statement with the term that...

Question 13

As a rule of thumb for athletes, experts recommend a post-exercise fluid intake as soon after exercise as practical of approximately ____.

Accepted Answer

A)   0.5 L of fluid per kg body weight lost
B)   1.0 L of fluid per kg body weight lost
C)   1.5 L of fluid per kg body weight lost
D)   1 pint of fluid for each pound of weight lost

Question 14

Which athlete is most likely to suffer from hyponatremia?

Accepted Answer

A)   A team athlete such as a football player
B)   A strength athlete such as a body builder
C)   A slow marathon runner
D)   A soccer player

Question 15

Discuss how fluids and electrolytes move between compartments. Why is the extracellular fluid considered the "gateway"?

Accepted Answer

The answer of Discuss how fluids and electrolytes move between...

Question 16

The major component of extracellular fluid is ____.

Accepted Answer

A)   blood plasma
B)   interstitial fluid
C)   lymphatic fluid
D)   transcellular fluid

Question 17

Two factors that may be associated with hyponatremia are ____.

Accepted Answer

A)   large losses of sodium in sweat and low water intake
B)   large losses of sodium in sweat and excessive water intake
C)   intake of salt tablets and low water intake
D)   intake of salt tablets and excessive water intake

Question 18

What is interstitial fluid?

Accepted Answer

A)   Fluid surrounding the cells
B)   Any fluid associated with the cardiovascular system
C)   Any fluid that does not contain cations
D)   Plasma portion of the extracellular fluid compartment

Question 19

When environmental conditions are more humid, sweating is ____.

Accepted Answer

A)   a more effective means of regulating body temperature
B)   a less effective means of regulating body temperature
C)   not affected by the change
D)   dangerous to an active individual

Question 20

If the osmolarity of intracellular fluid (ICF) is higher than that of extracellular fluid (ECF), what is the tonicity of the blood?

Accepted Answer

A)   The blood is isotonic to the ICF.
B)   The blood is hypotonic to the ICF.
C)   The blood is hypertonic to the ICF.
D)   The blood is hypertonic to the ECF.

Exam 7: Water and Electrolytes

What is insensible water loss?

Assuming that it can be tolerated, which athlete may find a beverage containing a carbohydrate concentration greater than 10% to be beneficial during exercise?

Match the statement with the term that best describes it. Answers may be used more than once. a.hypotonic b.hypertonic c.osmosis d.osmolarity e.hydrostatic pressure -The movement of fluid occurs as a result of controlling the amount of water in the ECF and the ____ of the ECF.

Good advice to athletes who exercise in hot, humid conditions is to drink as much as possible before and during exercise.

It is easy for athletes who train in the heat to dehydrate because the rate of water absorption from the stomach and intestine is usually slower than the rate of loss from sweat.

The term voluntary dehydration refers to athletes engaged in exercise who are ____.

When body fluids have a solute concentration that is greater than the concentration of solutes in the cells, they are referred to as ____.

As a rule of thumb, the American College of Sports Medicine recommends a fluid intake at least four (4) hours prior to exercise of approximately ____.

In the U.S., the amount of caffeine contained in an energy beverage must be stated on the label.

It would be inappropriate to use scale weight to monitor exercise-related fluid loss and subsequent rehydration with which of the following athletes?

Exertional heat cramps may be the result of rapid and large losses of fluid and sodium.

Match the statement with the term that best describes it. Answers may be used more than once. a.hypotonic b.hypertonic c.osmosis d.osmolarity e.hydrostatic pressure -Results in water moving from blood plasma to interstitial spaces.

As a rule of thumb for athletes, experts recommend a post-exercise fluid intake as soon after exercise as practical of approximately ____.

Which athlete is most likely to suffer from hyponatremia?

Discuss how fluids and electrolytes move between compartments. Why is the extracellular fluid considered the "gateway"?

The major component of extracellular fluid is ____.

Two factors that may be associated with hyponatremia are ____.

What is interstitial fluid?

When environmental conditions are more humid, sweating is ____.

If the osmolarity of intracellular fluid (ICF) is higher than that of extracellular fluid (ECF) , what is the tonicity of the blood?