Santiago has an inherited metabolic defect in which his cells have difficulty processing homocysteine to methionine. His physician may recommend vitamin ________ supplements to help Santiago's body metabolize homocysteine.
A. B-6
B. A
C. D
D. C
Answer: A
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Which of the following factors has not helped reduce the rates of heart disease deaths in the U.S. over the last 25 years?
A) A reduction in the proportion of people who smoke B) A decline in hypertension and cholesterol levels C) An increase in cases of obesity and diabetes D) Medical interventions for people with heart disease
Which supplement has been proven to decrease some athletes' perception of effort by stimulating the central nervous system?
A. protein shakes B. creatine C. growth hormone D. caffeine
What is the most likely reason for the development of a vitamin B12 deficiency??
A) ?inadequate intake B) ?increased excretion C) ?inadequate absorption D) ?increased losses in food preparation
Which is the most effective at alleviating constipation?
a. cellulose b. pectin c. gums d. psyllium e. protein