Ch 6 Test

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Total sweat vaporized from the skin depends on?

-skin surface exposed to the environment -convection of air currents around the body -temperature and relative humidity of ambient air

What is recommended for carbohydrate replacement?

Consume carbohydrates 30 minutes before and after exercise

True or False? Diets high in protein and salt can lessen the effects of altitude.

False

True or False? In treating any frostbite injuries, the body parts should be rewarmed in water heated between 104°F and 108°F for 30 to 45 minutes.

False

True or False? Sweat production by itself results in heat loss from the skin.

False

True or False? Thirst is an accurate indicator of water needs during exercise.

False

True or False? Individuals who reside in regions with high ozone levels may become desensitized to the irritating effects of ozone after repeated exposures.

True

True or False? Miliaria rubra usually occurs in the axilla and groin areas.

True

True or False? Shivering during hypothermia usually starts when core temperature drops below 90°F.

True

True or False? Tachypnea and dyspnea on exertion are characteristics of high-altitude pulmonary edema.

True

Large differences in recorded temperatures in dry-bulb and wet-bulb readings indicate

a high rate of evaporation and low humidity

Homeostasis

a state of equilibrium

Hypoxia

abnormal levels of oxygen in the blood

Apnea

cessation of breathing during sleep

Diuretics

coffee, chocolate, tea, alcoholic beverages

Hyperemia

increased blood

Pruritic

itching skin

Electrolytes

magnesium, chloride, sodium

Most internal heat is generated during ________.

muscular activity

Primary air pollutants do NOT include what?

ozone

Impairments in performance are noted when an athlete loses

3% of body weight

Carbohydrates should be consumed within _____ minutes following activity?

30 minutes

If lightning is observed, outdoor play cannot resume until ____ after the last lighting or thunder.

30 minutes

Fatigue, dizziness, confusion, rapid and shallow respirations, and a rapid, weak pulse are signs of?

Heat exhaustion

An athlete is not sweating, appears red or flushed, and has hot, dry skin. What condition might the athlete be experiencing?

Heat stroke

The most important factor for determining the effectiveness of evaporative heat loss is.

Relative humidity

True or False? Acute mountain sickness is a disorder related to hypoxia.

True

Sign and symptoms of high-altitude pulmonary edema DO NOT include what?

decreased core body temperature

During cold weather, body heat is NOT gained through what mechanism?

increased respirations

Hyperhydration

overhydration

Papular

small elevations of the skin


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