What effect does adequate calcium intake have on loss of calcium from bone in the time period between attainment of peak bone mineral density and menopause?
A) Increases bone density
B) Stops the loss of bone calcium
C) Slows the loss of bone calcium
D) No effect on bone calcium
Q. 2If an adult consumes 1,000 mg of calcium daily, what is the estimated average amount absorbed from the intestinal tract?
A) 800 mg
B) 600 mg
C) 500 mg
D) 300 mg
Q. 3The source of calcium during the process known as fast calcium exchange is ____.
A) dissolution of bone
B) blood plasma
C) bone fluid
D) liver calcium stores
Q. 4Many distance runners have low bone density, which is most likely due to ____.
A) high caloric intake
B) low energy availability
C) weight-bearing activities always tend to decrease bone mineral density
D) a clinical mineral deficiency
Q. 5Which period of time is associated with the most rapid loss of bone mass?
A) Age 20 to 35 years
B) Age 35 to 50 years
C) First ten years after menopause
D) After males are 65 years or older
Q. 6At what age does peak trabecular bone mineral density occur (assume adequate calcium intake)?
A) 10 to 20 years
B) 20 to 30 years
C) 30 to 40 years
D) After age 40
Q. 7For adults, the most common bone-related process is ____.
A) calcification
B) growth
C) remodeling
D) modeling
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