Deck 13: Body Weight and Composition for Health and Performance

Question 1

Transfer of heat via air circulation or fluid movement is called

A) Evaporation
B) Radiation
C) Convection
D) Conduction

Answer 1

C

Question 2

Which of the following provides the major physiological defense against overheating caused by strenuous exercise?

A) Evaporation
B) Radiation
C) Convection
D) Conduction

Answer 2

A

Question 3

When exercise intensity increases progressively, which of the following processes of heat dissipation has been shown to increase also in order to maintain a thermal balance?

A) Evaporation
B) Radiation
C) Convection
D) Conduction

Answer 3

A

Question 4

Which of the following will affect the effectiveness of sweat evaporation?

A) Environmental temperature
B) Relative humidity
C) Convective air current
D) All of the above

Question 5

Of the following factors affecting heat gain, which one is linked to the process of gaining heat via solar radiation?

A) BMR
B) Muscular activity
C) Hormone
D) Environment

Question 6

Adding which of the following to an oral rehydration beverage will facilitate fluid replenishment or water retention?

A) Calcium
B) Sodium
C) Oxygen
D) Phosphorus

Question 7

Which of the following has lowest heat tolerance?

A) An adult who is lean
B) An adult who is obese
C) An elderly person who is lean
D) An elderly person who is obese

Question 8

Which of the following is true regarding thermoregulation and gender?

A) Women tend to produce less sweat than men
B) Women depend more on vasodilation for dissipating heat
C) Both A and B are correct
D) Neither A nor B is correct

Question 9

Which of the following terms is defined as the process where repeated heat stress initiates thermoregulatory adjustments that improve exercise capacity and cause less discomfort on subsequent heat exposure?

A) Overload
B) Acclimatization
C) Habituation
D) Specificity

Question 10

When exercising in heat, blood flow in which of the following besides muscle increases significantly in an effort to maintain a normal body temperature?

A) Kidney
B) Skin
C) Brain
D) Stomach