Ch 6 Test
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