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1 | |
Body water stored inside of cells is |
| | A) | extracellular fluid |
| | B) | intracellular fluid |
| | C) | intercellular fluid |
| | D) | vascular water |
| | E) | both b and c |
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2 | |
The primary control center of body fluid balance is located in the |
| | A) | kidneys |
| | B) | pituitary gland |
| | C) | blood |
| | D) | hypothalamus |
| | E) | large intestines |
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3 | |
Mineral water |
| | A) | comes from underground sources |
| | B) | contains minerals |
| | C) | is distilled before it is bottled |
| | D) | both a and b |
| | E) | all of the above |
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4 | |
If the body temperature is lowered |
| | A) | the blood will be channeled closer to the skin |
| | B) | shivering will begin |
| | C) | sweating will begin |
| | D) | both a and c |
| | E) | all of the above |
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5 | |
Heat stress is exacerbated by |
| | A) | low humidity |
| | B) | moderate to high wind |
| | C) | sun |
| | D) | both a and b |
| | E) | all of the above |
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6 | |
To lose weight for competition wrestlers commonly practice |
| | A) | voluntary dehydration |
| | B) | involuntary dehydration |
| | C) | hyperhydration |
| | D) | overhydration |
| | E) | both a and c |
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7 | |
Hypohydration is most likely to have an adverse effect on |
| | A) | anaerobic endurance |
| | B) | strength |
| | C) | power |
| | D) | aerobic endurance |
| | E) | b and c |
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8 | |
Gastric emptying will be faster with |
| | A) | warm beverages |
| | B) | intense activity |
| | C) | large volume |
| | D) | high osmolality |
| | E) | all of the above |
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9 | |
Hyponatremia, low levels of blood sodium, may be |
| | A) | caused by drinking excessive amounts of plain water |
| | B) | commonly seen in ultraendurance events |
| | C) | a cause of death |
| | D) | caused by extreme sweating |
| | E) | all of the above |
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10 | |
To become acclimatized to a warm environment |
| | A) | engage in moderate activity |
| | B) | wear extra clothes during training in a cool environment |
| | C) | increased activity slowly |
| | D) | both b and c |
| | E) | all of the above |
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11 | |
High blood pressure may be reduced with |
| | A) | drugs |
| | B) | weight reduction |
| | C) | exercise |
| | D) | reducing stress |
| | E) | all of the above |
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12 | |
Which foods are usually highest in sodium content? |
| | A) | fruits |
| | B) | dairy products |
| | C) | processed foods |
| | D) | meat, fish, poultry |
| | E) | vegetables |
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13 | |
Sweat is |
| | A) | mostly minerals like iron and zinc |
| | B) | mainly water |
| | C) | mostly sodium |
| | D) | mainly electrolytes |
| | E) | mainly salt |
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14 | |
A rehydrating solution should do all of the following except |
| | A) | delay gastric emptying |
| | B) | optimize intestinal absorption |
| | C) | replace fluid losses |
| | D) | provide electrolytes |
| | E) | all of the above |
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15 | |
The scientific term that refers to the concentration of dissolved substances in a solution is |
| | A) | solubility |
| | B) | osmolality |
| | C) | homeostasis |
| | D) | normohydration |
| | E) | euhydration |
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16 | |
Intentionally drinking a large volume of beverage is termed |
| | A) | hyperthermia |
| | B) | supercompensation |
| | C) | hyperhydration |
| | D) | hyponatremia |
| | E) | hyperkalemia |
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17 | |
Determine which type of heat loss the following represents: sitting on a cold chair |
| | A) | conduction |
| | B) | convection |
| | C) | radiation |
| | D) | evaporation |
| | E) | condensation |
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18 | |
Determine which type of heat loss the following represents: a cool breeze |
| | A) | conduction |
| | B) | convection |
| | C) | radiation |
| | D) | evaporation |
| | E) | condensation |
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19 | |
Determine which type of heat loss the following represents: seeing your breath on a cold day |
| | A) | conduction |
| | B) | convection |
| | C) | radiation |
| | D) | evaporation |
| | E) | condensation |
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20 | |
Determine which type of heat loss the following represents: sweating after a run |
| | A) | conduction |
| | B) | convection |
| | C) | radiation |
| | D) | evaporation |
| | E) | condensation |
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21 | |
Determine which type of heat gain the following represents: sunny day |
| | A) | conduction |
| | B) | convection |
| | C) | radiation |
| | D) | evaporation |
| | E) | condensation |
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22 | |
Which ergogenic aid is theorized to increase physical performance primarily by inducing a hyperhydration effect in the body? |
| | A) | water-soluble vitamin B complex |
| | B) | carnitine |
| | C) | alcohol |
| | D) | glycerol |
| | E) | caffeine |
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23 | |
To rehydrate rapidly for a second athletic event on the same day, after the first competition the athlete should |
| | A) | consume about 120-150 percent of the sweat losses |
| | B) | consume fluids within 2-3 hours after the first event |
| | C) | consume fluids containing carbohydrates |
| | D) | consume fluids containing salt |
| | E) | all of the above |
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24 | |
The most serious heat illness, which may be fatal, is |
| | A) | heat stroke |
| | B) | heat exhaustion |
| | C) | heat cramps |
| | D) | heat syncope |
| | E) | heat dehydration |
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25 | |
Currently, the minimum systolic or diastolic blood pressure, respectively, that is classified as the prehypertension stage, is |
| | A) | 110 and 90 mmHg |
| | B) | 115 and 95 mmHg |
| | C) | 120 and 80 mmHg |
| | D) | 140 and 90 mmHg |
| | E) | 160 and 100 mmHg |
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26 | |
A high relative humidity and sunshine hinder heat loss from the body by their adverse effects on the body, respectively, as |
| | A) | increased condensation and radiation |
| | B) | increased convection and radiation |
| | C) | decreased evaporation and increased radiation |
| | D) | decreased condensation and decreased radiation |
| | E) | increased evaporation and increased convection |
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27 | |
Which of the following statements relative to exercise and body temperature is false? |
| | A) | exercise can produce significant amounts of heat, but the body temperature is usually regulated quite effectively |
| | B) | sweat is primarily composed of water and is the main means of temperature regulation when exercising in the heat |
| | C) | rehydration with cold water appears to be an effective technique to help reduce he rise in body temperature during exercise |
| | D) | electrolyte replacement is generally not needed during exercise itself |
| | E) | glucose polymer solutions are more effective tan water a a means to control body temperature during short-term exercise |
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28 | |
The recommended means to replenish lost electrolytes through sweat on a day-to-day basis is via |
| | A) | salt tablets |
| | B) | potassium supplements |
| | C) | GES such as Gatorade |
| | D) | vitamin tablets |
| | E) | a balanced diet with adequate water |
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29 | |
During exercise, approximately what percent of the energy which is produced by muscular contraction is released as heat in the body? |
| | A) | 1-10 |
| | B) | 30-40 |
| | C) | 50-60 |
| | D) | 75-80 |
| | E) | 90-100 |
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30 | |
Which of the following does not occur following acclimatization to exercise in the heat? |
| | A) | increased sweat production during exercise |
| | B) | increased blood volume |
| | C) | a lower rise in the core temperature during exercise |
| | D) | a lesser rise in the heart rate response to exercise |
| | E) | an increased sodium loss in each liter of sweat |
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