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JB is a 67 year-old man who works as a driller in the oil fields, has a history of coronary artery disease (CAD) and has developed tachycardia. He has a history of asthma and is a chronic smoker. Which of the following medications would be the most appropriate to lower his heart rate?propranololA. ClonidineB. metoprololC.DobutamineD. Prazosin

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Histrionicus

Answer:

The correct answer is - option B. metoprolol.

Explanation:

The beta blocker drugs are drugs helps in coronary artery diseases as well as hypertension. Propranolol and metoprolol are two best beta blocker drugs used in the tachycardia .

The mechanism of the the beta blockers is to lower the pressure on the walls of the arteries to lower the hypertension.  The nurse need to provide higher dose of beta blockers.

Thus, the correct answer is - option B.  metoprolol.

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