People older than 65 years old account for what percentage of the drugs prescribed in the United States?
A. More than 12%
B. More than 22%
C. More than 32%
D. More than 42%
c
Rationale: People older than 65 account for more than 32% of the drugs prescribed in the United States, even though they may represent only about 12% of the total population.
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OTC anti-infectives are used to treat:
A) Cold sores. B) Minor cuts and scrapes. C) Second- and third-degree burns. D) Asthma.
Which of the following is false about a compensated Thorpe tube?
a. Variable-orifice, constant-pressure flow-meter device b. Calibrated in liters per minute at atmos-pheric pressure c. Flow-control needle valve placed distal to the flow tube d. Accuracy unaffected by changes in downstream resistance
Which of these is not caused by cigarette smoking?
A. Lung cancer B. Emphysema C. Pleuritis D. Laryngitis E. Bronchitis
Procedures that pose a high risk for possible transmission of an infection from a health-care worker to a patient include
A. giving an injection. B. oral, obstetric, or gynecologic procedures. C. taking a patient's temperature, pulse, respiration, and blood pressure. D. measuring the patient's height and weight.