What is the approximate fluoride concentration in community water supplies?
a. 1 ppm b. 2 ppm
c. 2.5 ppm d. 4 ppm
Q. 2Which of the following is characterized by persistent inflammation and excessive secretions of mucus in the main airways of the lungs?
a. Asthma b. Chronic bronchitis
c. Emphysema d. Pneumonia
Q. 3How are ketones formed?
a. Condensation of lactic acid molecules
b. Condensation of acetyl CoA molecules
c. Hydrolysis of excess glycerol fragments
d. Hydrolysis of excess pyruvate fragments
Q. 4Which of the following does NOT have an RDA?
a. Iron b. Zinc
c. Iodine d. Fluoride
Q. 5For acutely ill patients with a functional GI tract, enteral feedings started in the first _____ after hospitalizations are associated with fewer complications and shorter hospital stays.
a. 12 to 24 hours b. 24 to 48 hours
c. 48 to 72 hours d. 72 to 96 hours
Q. 6Ketonemia is defined as an elevation of
a. ketones in the blood. b. ketones in the urine.
c. alpha-ketoglutarate in the blood. d. alpha-ketoglutarate in the urine.
Q. 7Naturally occurring food sources of fluoride include all of the following EXCEPT
a. teas. b. tuna.
c. milk. d. shrimp.
Q. 8In critically-ill patients receiving parenteral nutrition who also experience severe hyperglycemia, fat may supply up to _____ of kcalories.
a. 20 b. 30
c. 40 d. 50
Q. 9Elizabeth has been fasting for 4 days in observance of her religious beliefs. You note that her breath smells fruity. This is most likely due to
a. her intake of religious wafers.
b. her intake of dilute fruit juices.
c. her body's shift to a state of ketosis.
d. her body's switch to a lipogenic state.
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