When the nurse administers a beta-adrenergic blocker to a patient with angina the nurse expects the drugs will help to control angina, but it also has what other effects?

Decreased urinary output.

Decreased strength of heart muscle contraction.

Increased heart rate.

Increased oxygen consumption.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Beta-adrenergic blockers generally do not decrease urinary output. These drugs primarily act on the cardiovascular system by blocking beta-adrenergic receptors, which results in lowered heart rate and blood pressure. Their effects are less pronounced on the renal system unless specific agents with renal effects are used.

Choice B rationale

Beta-adrenergic blockers decrease the strength of heart muscle contraction (negative inotropic effect). By blocking beta receptors, they inhibit the stimulatory effects of catecholamines on the heart, reducing the force of myocardial contraction, which helps decrease oxygen demand and control angina symptoms.

Choice C rationale

Beta-adrenergic blockers typically decrease heart rate (negative chronotropic effect) rather than increase it. They inhibit beta-adrenergic receptors, which leads to a slower heart rate and can help manage conditions like angina by reducing myocardial oxygen consumption.

Choice D rationale

Beta-adrenergic blockers decrease oxygen consumption by reducing heart rate and the force of contraction. These effects lower myocardial oxygen demand, which is beneficial for patients with angina by preventing episodes triggered by increased oxygen needs.

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Correct Answer is A

Explanation

Choice A rationale

Many complementary or alternative therapies can interact with prescribed medications, potentially causing serious health problems.

Choice B rationale

This is not a valid reason for asking about alternative therapies, as the nurse's role is to ensure safe and effective use of prescribed medications.

Choice C rationale

Non-compliance is not the primary concern when asking about alternative therapies; potential interactions are.

Choice D rationale

The cost of treatments is a consideration, but it is not the primary reason for asking about alternative therapies.

A. Decreased depth of respirations. B. Increased perfusion of lungs. C. Increase respiratory rate. D. Decreased respiratory rate.

Correct Answer is C

Explanation

Choice A rationale

Sympathetic stimulation typically increases the depth and rate of respirations to enhance oxygen delivery to tissues during stress or physical activity.

Choice B rationale

Sympathetic stimulation does not directly increase lung perfusion. It primarily affects the airways to increase airflow.

Choice C rationale

Sympathetic stimulation increases the respiratory rate by activating the respiratory centers in the brain, preparing the body for increased oxygen demand during stress or physical activity.

Choice D rationale

Sympathetic stimulation does not decrease the respiratory rate. It typically increases both the rate and depth of respirations to meet the body's increased oxygen needs. .

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When the nurse administers a beta-adrenergic blocker to a patient with angina the nurse expects the drugs will help to control angina, but it also has what other effects?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

When taking a medication history on a patient, why should the nurse ask about complementary or alternative therapies?

Correct Answer is A

Explanation

Sympathetic stimulation of the respiratory system leads to what?

Correct Answer is C

Explanation

The nurse is conducting an admission assessment on a patient.When collecting data relating to the medications, the nurse asks “What medications are you taking?” After collecting that information, what other queries should the nurse ask? Select all that apply.

When the nurse administers a beta-adrenergic blocker to a patient with angina the nurse expects the drugs will help to control angina, but it also has what other effects?

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