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Author Question: A/An ____________________ is a ring-like muscle that tightly constricts the opening of a passageway. ... (Read 18 times) |
Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.