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Exam 7: Water and Electrolytes

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Question 51

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When comparing urine to a color chart, it is recommended that athletes use urine obtained from ____.

A) the first void (urination) of the day
B) the second void (urination) of the day
C) the last void (urination) before going to bed for the night
D) any void (urination) during the day

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Question 52

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It is unsafe to make a blanket recommendation for fluid intake during exercise for all members of the same team.

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Question 53

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In addition to beverages and food, another source of water for the body is ____.

What is the primary source of sodium in the average American diet?

The addition of water to the body is primarily accomplished through metabolism.

The immediate feeling of "energy" produced by energy drinks is most likely due to ____.

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 -Body fluids are considered to be ____ if they have a concentration of solutes that is less than the concentration of solutes in the cell.

If the osmolarity of intracellular fluid is higher than that of extracellular fluid, what is the effect on water movement?

Glycerol loading results in a gain in body weight.

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?

Hyponatremia is defined as a plasma sodium concentration below 135 mmol/L.

The two best strategies to aid performance and prevent hyponatremia in ultraendurance athletes are ____.

All fluids can have a diuretic effect.

Which accounts for the largest amount of water loss in a sedentary individual?

An athlete's pre-exercise weight is 163 pounds. His post-exercise weight is 161 pounds. What does this two (2) pound weight loss represent?

The condition of euhydration is when there is an insufficient amount of water in the body to meet physiological demands.

Adding small amounts of sodium to a beverage is advantageous because it ____.

Dehydration and hypohydration can be used interchangeably because they both refer to the process of losing water.

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

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 -Concentration of solutes in a particular fluid.