Which of the following chemicals reacts violently and may ignite when they come into contact with water?
A. Chloride and calcium
B. Sodium and phosphorus
C. Calcium and magnesium
D. Potassium and bicarbonate
Answer: B. Sodium and phosphorus
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Some managed-care plans dictate:
A) referrals. B) medications, fees, and referrals. C) fees and medications. D) referrals and medications.
Incubation of blood cultures for up to 30 days is recommended for the recovery of
A) Leptospira interrogans. B) Brucella spp. C) fungi. D) Bartonella spp.
During an upper GI series, the radiologist observes the flow of the contrast medium directly by means of a(n):
A) radioscope B) fluoroscope C) cystoscope D) otoscope
Which of the following are common morphologies (shapes) of volume output waveforms?
I. ascending ramp II. descending ramp III. sinusoidal IV. oscillating A) I B) I and II C) I, II, and III D) I, II, III, and IV