Hepatitis A is occurring more frequently than in years past. It is transmitted through _____
A) contaminated drinking water, food, or sewage
B) blood and body fluids
C) blood and body fluids and contaminated drinking water, food, or sewage
D) blood, blood products, and body fluids
A
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After removal of nitrogen from an amino acid, the carbon skeleton that is left CANNOT be used for
A. glucose synthesis. B. neurotransmitter synthesis. C. ketone body synthesis. D. energy source. E. fat synthesis.
With the help of sunlight, the body can synthesize vitamin D from a precursor made from ________.
a. cholesterol b. tryptophan c. beta-carotene d. eicosapentanoic acid e. histamine
Low birth weight contributes to more than ____ percent of the deaths of children under five years of age
a. 15 percent b. 25 percent c. 40 percent d. 50 percent
Infants who are _____ experience a wide array of health problems—poor growth, hearing impairment, vomiting, breathing difficulties, and even unexplained death
a. "smoked and smothered" b. "smoked out" c. "smoked over" d. "smoked under" e. "smoking guns"