Dialysis removes excess fluid and wastes from the blood by employing which of the following processes?
a. Diffusion
b. Osmosis
c. Active transport
d. a and b
e. All of the above
Answer: d. a and b
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The primary treatment for ulcer caused by the presence of H. pylori is ____
a. fiber b. surgery c. antacids d. antibiotics e. dietary changes
Excessive consumption of soft drinks, orange juice, and sports drinks increases risk for development of caries because they contain sugar and ____
a. a low pH b. organic bases c. resistant starch d. insufficient fluoride e. excess calcium ANS: A
Aerobic exercise results in _____
a. a weaker heart muscle b. increased stroke volume c. decreased stroke volume d. less efficient breathing e. increased blood pressure
Which of the following is a feature of Retin-A?
a. It is effective in treating rickets. b. It is taken orally to treat the deep lesions of cystic acne. c. It is known to be effective in fighting acne and wrinkles. d. It prevents birth defects when used by pregnant women. e. It is known to cause inflammation and darkly pigmented skin.