Exam 7: Water and Electrolytes

One liter of water weighs approximately ____.

Which of the following is an example of water shifting due to hydrostatic pressure?

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

A condition that results from consuming excess fluids is called ____.

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.

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

Which accounts for the largest amount of water loss in an athlete exercising in the heat?

When hypohydration occurs in the ECF, the osmolarity of the ECF increases and water shifts from the cells to the ECF.

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

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

Plasma serves as the fluid transportation medium to transport substances such as red blood cells, gases, and nutrients, throughout the body.

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

Approximately how much sweat can an athlete lose each hour when exercising in a hot and humid environment?

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

Discuss how hypohydration can adversely influence core temperature and how this can impact exercise performance.

On average, an adult's body contains approximately ____ % water (by weight):

The cardiovascular system adjusts to the demands of exercise and oxygen delivery resulting in ____.

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

As a rule of thumb, athletes who sweat heavily and lose large amounts of sodium should consume approximately _____ g of sodium per hour.