Which of the following is a feature of vitamin C in the body?
a. Severe deficiency is irreversible
b. Low levels are found in people who chew tobacco
c. Extremes of physical stress impair mobilization of vitamin C
d. Severe deficiency signs become apparent when blood levels fall by about 20%
b
You might also like to view...
Optimal blood pressure is a systolic pressure less than 120 mmHg and a diastolic pressure less than
A. 100 mmHg. B. 80 mmHg. C. 140 mmHg. D. 90 mmHg.
Which statement about tetany is false?
a. it occurs when the extracellular calcium concentration is too low b. tetany causes muscles to contract c. it can cause death d. tetany is caused by a dietary calcium deficiency
The nonnutritive sweetener that is unsafe for people with phenylketonuria is:
a. aspartame. b. neotame. c. sucralose. d. stevia.
What is the relationship between alcohol and depression?
a. Alcohol causes depression. b. Alcohol reduces depression. c. There is no relationship between alcohol and depression.