Find the power, in foot-pounds per second, needed to raise 120 lb a distance of 16 ft in 4 s.
A) 124 ft - lb / s
B) 1920 ft - lb / s
C) 480 ft - lb / s
D) 1916 ft - lb / s
E) 124 ft - lb / s
C) 480 ft - lb / s
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All are true statements concerning epinephrine except:
A) it elevates the systolic blood pressure. B) it decreases the heart rate and cardiac output. C) it dilates the bronchial tubes. D) it dilates the pupils.
A surgical excision of a portion of the skull is known as:
A) craniectomy. B) craniotomy. C) diskectomy. D) none of the above.
In preparation for a visit from your four-year-old niece, you have securely stored all of the household cleaners, insecticides, other chemicals, and medications. In terms of poison control, are you ready for the visit?
A) No, because most poisonings in children under six involve personal care products and cosmetics. B) Yes, as long as you have locked up both the prescription and over-the-counter medications. C) Yes, as long as the storage areas are someplace your niece cannot easily reach. D) Yes, you are ready (at least as far as poison control is concerned).
Among the following treatment options for mild to moderate hypertension, which should be the LAST option tried, after the others have failed to produce an improvement?
A. weight loss B. reduction of salt intake C. drug therapy D. regular exercise