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Glycerol loading results in a gain in body weight.

A) True
B) False

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Under normal conditions, sodium is actively pumped out of cells while potassium is simultaneously pumped into cells.

A) True
B) False

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

A) True
B) False

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A daily intake of approximately __________ mg or less of caffeine does not have a negative effect on fluid or electrolyte balance.

Correct Answer

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What effect would glycerol loading have on an athlete's body weight?


A) No effect on body weight
B) Quick decrease in body weight
C) Slow decrease in body weight
D) Increase in body weight

E) B) and D)
F) A) and D)

Correct Answer

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The extracellular fluid (ECF)is referred to as the "gateway" because water must pass through the ECF to reach cells.

A) True
B) False

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Match the statement with the term that best describes it. Answers may be used more than once.

Premises
Body fluids are considered to be ____ if they have a concentration of solutes that is greater than the concentration of solutes in the cell.
Responses
osmosis
osmolarity
hypotonic
hypertonic
hydrostatic pressure

Correct Answer

osmosis
osmolarity
hypotonic
hypertonic
hydrostatic pressure

What is interstitial fluid?


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

E) A) and D)
F) A) and C)

Correct Answer

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Match the statement with the term that best describes it. Answers may be used more than once.

Premises
Concentration of solutes in a particular fluid.
Responses
osmolarity
hydrostatic pressure
hypertonic
hypotonic
osmosis

Correct Answer

osmolarity
hydrostatic pressure
hypertonic
hypotonic
osmosis

It is recommended that athletes avoid caffeine-containing beverages because of the negative effect these beverages have on fluid and electrolyte balance.

A) True
B) False

Correct Answer

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

Correct Answer

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Answered by ExamLex AI

Fluids and electrolytes move between com...

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


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

E) None of the above
F) C) and D)

Correct Answer

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Which of the following is a true statement regarding sweat in trained athletes?


A) They typically have lower sweat rates than sedentary individuals.
B) They typically have higher sweat rates than sedentary individuals.
C) They typically start sweating later than sedentary individuals.
D) They seldom differ in sweating between healthy, sedentary individuals.

E) None of the above
F) A) and D)

Correct Answer

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When the extracellular fluid is hypertonic to the intracellular fluid, there will be a net water movement out of the cell.

A) True
B) False

Correct Answer

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Through osmosis, water moves from areas of low solute concentration to areas of higher solute concentration.

A) True
B) False

Correct Answer

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The main electrolyte lost in sweat during exercise is potassium.

A) True
B) False

Correct Answer

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To avoid a moderate potassium deficiency, it is recommended that individuals, including athletes, should ____.


A) use a salt substitute (potassium chloride) daily
B) avoid exercising in the heat
C) consume a variety of fruits and vegetables daily
D) consume snack foods such as popcorn

E) A) and D)
F) C) and D)

Correct Answer

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Athletes participating in which sport need to be the most concerned about consuming fluids that contain sodium to offset the amount being lost in sweat?


A) Sprint running
B) Field events (e.g., shot putting, high jumping)
C) 10 km running
D) Marathon running

E) B) and D)
F) None of the above

Correct Answer

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Which athlete is most likely to suffer from hyponatremia?


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

E) None of the above
F) A) and B)

Correct Answer

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What is insensible water loss?


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

E) B) and C)
F) A) and D)

Correct Answer

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