Biology Forums - Study Force

If a 40-year-old man wishes to perform moderate-intensity exercise, his heart rate should be maintained between _____ and _____ beats per minute.
 
 A. 90, 126
  B. 100, 140
  C. 120, 168
  D. 130, 182

Q. 2

An alternative to measuring heart rate during exercise is
 
 A. the talk test.
  B. to count the number of exhaled breaths per minute.
  C. to count the number of inhaled breaths per minute.
  D. the counting aloud test.

Q. 3

To improve cardiovascular fitness one should
 
 A. lift weights.
  B. work against resistance.
  C. walk at a brisk pace.
  D. improve muscle flexibility.

Q. 4

Considering the increased incidence of obesity, insulin resistance, and diabetes in our country, following physical activity recommendations would be
 
 A. beneficial because it would promote weight loss.
  B. dangerous because people would be at risk for other problems.
  C. ineffective since the incidence is too big to impact with physical activity.

Q. 5

Hyponatremia refers to
 
 A. low intracellular sodium.
  B. high intracellular sodium.
  C. increased blood sodium concentrations.
  D. diminished blood sodium concentrations.

Q. 6

Excessive sweating with resulting decreased blood volume results in _____, which can progress to _____.
 
 A. heat exhaustion, heatstroke
  B. heatstroke, heat exhaustion
  C. dehydration, rehydration

Q. 7

The purpose of sweating is to
 
 A. dissipate heat.
  B. remove electrolytes from the body.
  C. aid in weight loss.
  D. reduce urination.

Q. 8

Sports anemia refers to
 
 A. a serious iron-deficiency anemia that requires supplementation to correct.
  B. anemia that occurs because of the blood loss during an athletic event.
  C. a training response caused by increased plasma volume as compared to new red blood cell synthesis.
  D. the anemia associated with foot strike hemolysis.

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