The nurse has provided information to a patient with diabetes who has been prescribed a non-selective beta-adrenergic blocker. Which statement is correct?
I may have low blood sugars.
My dosage may need adjustment if I start taking any NSAIDs.
I will need to be evaluated in a few weeks to see if my dosage is effective.
If I get dizzy, I will stop taking the medication.
The Correct Answer is A
Choice A reason: This is the correct statement. Non-selective beta-adrenergic blockers can interfere with the signs and symptoms of hypoglycemia (low blood sugar), such as tachycardia, tremors, and sweating. They can also impair the glucose metabolism and insulin secretion in the body. Therefore, patients with diabetes who take non-selective beta-adrenergic blockers need to monitor their blood glucose levels closely and adjust their insulin or oral hypoglycemic agents accordingly.
Choice B reason: This is not a correct statement. Non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen or naproxen, do not interact with non-selective beta-adrenergic blockers. However, they can reduce the effectiveness of other antihypertensive medications, such as diuretics or ACE inhibitors, by causing fluid retention and decreasing renal blood flow.
Choice C reason: This is not a correct statement. Non-selective beta-adrenergic blockers have a rapid onset of action and can lower the blood pressure within hours of administration. Therefore, patients do not need to wait for a few weeks to see if their dosage is effective. However, they may need periodic follow-up visits to monitor their blood pressure, heart rate, and other vital signs.
Choice D reason: This is not a correct statement. Dizziness is a common side effect of non-selective beta-adrenergic blockers, especially when the patient changes position or stands up quickly. This is due to the orthostatic hypotension (a drop in blood pressure when standing up) caused by the vasodilation effect of the medication. However, this does not mean that the patient should stop taking the medication, as this can cause rebound hypertension and other complications. Instead, the patient should rise slowly from a sitting or lying position, drink plenty of fluids, and report any severe or persistent dizziness to their health care provider.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: This is not the agent that the nurse should question. Beta blockers are a class of medications that lower the blood pressure and heart rate by blocking the beta receptors in the heart and blood vessels. They can be used to treat hypertension, angina, heart failure, and arrhythmias. They do not cause edema or hyperkalemia.
Choice B reason: This is not the agent that the nurse should question. Alpha 2 agonists are a class of medications that lower the blood pressure by stimulating the alpha 2 receptors in the brain, which reduce the sympathetic nervous system activity. They can be used to treat hypertension, especially in patients with renal impairment. They do not cause edema or hyperkalemia.
Choice C reason: This is not the agent that the nurse should question. Calcium channel blockers are a class of medications that lower the blood pressure and heart rate by blocking the calcium channels in the heart and blood vessels, which cause vasodilation and reduced cardiac contractility. They can be used to treat hypertension, angina, and arrhythmias. They may cause edema, but not hyperkalemia.
Choice D reason: This is the agent that the nurse should question. Aldosterone antagonists are a class of medications that lower the blood pressure and reduce fluid retention by blocking the action of aldosterone, a hormone that regulates the sodium and potassium balance in the body. They can be used to treat hypertension and heart failure, especially in patients with low renin levels. However, they can cause hyperkalemia, which can be dangerous for the patient. The nurse should question the prescriber about the rationale for prescribing this agent and monitor the patient's potassium level closely.
Correct Answer is D
Explanation
Choice A reason: This is not the cause of pulmonary symptoms in left heart failure. Decreased cardiac output is a consequence of left heart failure, which affects the perfusion of vital organs and tissues.
Choice B reason: This is not the cause of pulmonary symptoms in left heart failure. Bronchoconstriction is a feature of asthma and chronic obstructive pulmonary disease (COPD), which affect the airways and cause wheezes and shortness of breath.
Choice C reason: This is not the cause of pulmonary symptoms in left heart failure. Inflammatory pulmonary edema is a type of non-cardiogenic pulmonary edema, which occurs when the alveolar-capillary membrane is damaged by an inflammatory process, such as pneumonia or sepsis.
Choice D reason: This is the correct cause of pulmonary symptoms in left heart failure. Pulmonary vascular congestion is a result of increased pressure in the pulmonary circulation, which occurs when the left ventricle fails to pump blood effectively to the aorta and the rest of the body. This causes fluid to leak into the alveoli and interstitial spaces, leading to cough, dyspnea, crackles, and pink frothy sputum.
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