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The nurse is preparing to administer atenolol (Tenormin) to a client with angina. Which vital sign would cause the nurse to question administering this drug?

Oxygen saturation 95%

Respirations 12 breaths per minute

Blood pressure 134/72

Pulse 52 beats per minute

Answer and Explanation

The Correct Answer is D

A. Oxygen saturation within the normal range does not indicate a need to question administering atenolol.

B. Respiratory rate within the normal range does not indicate a need to question administering atenolol.

C. Blood pressure within the normal range does not indicate a need to question administering atenolol.

D. Atenolol is a beta blocker, which can lower heart rate. A pulse of 52 beats per minute may be too low, especially if the client is experiencing angina, and the nurse should assess further before administering the medication.

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Correct Answer is B

Explanation

A. Meperidine is contraindicated with monoamine oxidase inhibitors (MAOIs) and can lead to serotonin syndrome rather than being an antidote for hypertensive crisis.

B. Calcium channel blockers, such as nifedipine, are commonly used as antidotes for hypertensive crisis associated with MAOI use.

C. Carbamazepine is not indicated for the treatment of hypertensive crisis associated with MAOI use.

D. Dextromethorphan is contraindicated with MAOIs due to the risk of serotonin syndrome.

A. Increased contractility and heart rate. B. Slowed heart rate and decreased contractility of the heart. C. Relaxation of arterial and venous smooth muscle. D. Increased peripheral resistance.

Correct Answer is C

Explanation

A. Organic nitrates do not increase contractility and heart rate; they typically decrease myocardial oxygen demand.

B. Organic nitrates do not slow heart rate or decrease contractility of the heart.

C. The mechanism of action of organic nitrates in the treatment of angina is the relaxation of arterial and venous smooth muscle, leading to vasodilation and decreased myocardial oxygen demand.

D. Organic nitrates do not increase peripheral resistance; they typically cause vasodilation.

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The nurse is preparing to administer atenolol (Tenormin) to a client with angina. Which vital sign would cause the nurse to question administering this drug?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A patient is taking a monoamine oxidase inhibitor for depression. In planning care for this patient, the nurse knows that a hypertensive crisis may be possible and plans on having what drug on hand as an antidote?

Correct Answer is B

Explanation

In the treatment of angina, the mechanism of action of an organic nitrate is:

Correct Answer is C

Explanation

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The patient is instructed when taking calcium channel blockers to use extreme caution when taking which of the following medications?

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