Which of the following medications will block the influx of calcium ions during phase 0 of the slow potential in the heart?

A) Amiodarone (Cordarone)
B) Lidocaine (Xylocaine)
C) Esmolol (Brevibloc)
D) Digoxin (Lanoxin)

C

Health Professions

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When you are lifting, how should you place your feet?

A. One in front of the other B. Shoulder-width apart C. Close together D. As far apart as possible

Health Professions

In which diagnostic test is a barium enema given rectally prior to taking an x-ray?

A. Lower GI series B. Gastric lavage C. Gamma scan D. Upper GI series E. Sigmoidoscopy

Health Professions