The addition of salt or sugar to food controls the growth of bacteria because it does not allow bacteria access to the:
a. air.
b. acid.
c. water.
d. macronutrients.
C
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A physical symptom of rickets, a vitamin D deficiency disease, is
A. bruising of the skin. B. hair loss. C. bow legs. D. loss of hearing.
Which of the following is involved in bone resorption?
a. Osteophyte b. Osteoclast c. Chondrocyte d. Osteoblast
Which of the following body fat assessment techniques relies on the principle that water and electrolytes conduct electricity?
A. Skinfold measurements B. Air displacement C. Underwater weighing D. Bioelectrical impedance
What is meant by the overload principle?
a) There is a maximum tolerance level of stress. b) The most weight that can be successfully lifted within a time period. c) The body will adapt to the stresses placed on it. d) The maximum amount of oxygen that can be consumed by the tissues during exercise.