Which of the following is a characteristic of antibiotic use in livestock?
a. Development of antibiotic-resistant organisms is very rare.
b. Proper cooking of the meat destroys any traces of antibiotics.
c. Farmers use more than 5 times more antibiotic in livestock than physicians use in people.
d. Because the antibiotics have a short half-life, the FDA permits slaughter of the animals at any time.
e. There is no evidence of harm to the environment or human health from the use of antibiotics in livestock.
ANS: C
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Which statement accurately describes sulfite food additives?
a. They are frequently used in wines. b. They are antimicrobials. c. They may not be used on grapes. d. They are one of the few substances to have virtually no side effects. e. They are one of the most expensive additives.
Which test has different ranges of normal values for males and females??
A) ?hematocrit B) ?mean corpuscular volume C) ?mean corpuscular hemoglobin concentration D) ?white blood cell (WBC) count
Magnesium deficiency may be related to cardiovascular disease and high blood pressure because magnesium:
a. facilitates relaxation of muscles after contractions. b. increases force of contractions of muscles. c. increases rate of cardiac contractions. d. causes a slow heart rate.
The medical history provides information about:
a. genetic susceptibility to diseases. b. living situation. c. recent food intake. d. financial concerns that may restrict access to food.