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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E"]
Explanation
Choice A reason: Use of accessory breathing muscles is a sign of respiratory distress and increased work of breathing. Accessory muscles are the muscles of the neck, chest, and abdomen that assist the diaphragm and intercostal muscles in breathing. They are normally not used for breathing, but they are recruited when the airway is obstructed or the lung function is impaired.
Choice B reason: Foul-smelling sputum is not a sign of an acute asthma episode. It is a sign of a bacterial infection or a lung abscess. Sputum is the mucus that is coughed up from the lungs. It can have different colors, textures, and odors depending on the cause and severity of the condition.
Choice C reason: Feeling of chest tightness is a sign of an acute asthma episode. It is caused by the bronchoconstriction, or the narrowing of the airways, that occurs during an asthma attack. It can also be accompanied by pain or pressure in the chest.
Choice D reason: Coughing is a sign of an acute asthma episode. It is a reflex action that tries to clear the airways of mucus, irritants, or foreign particles. It can also be triggered by the inflammation and hypersensitivity of the airways that occur during an asthma attack.
Choice E reason: Expiratory wheezing is a sign of an acute asthma episode. It is a high-pitched whistling sound that is heard when the person exhales. It is caused by the turbulent flow of air through the narrowed airways. It can also be heard on inspiration, but it is more prominent on expiration.
Correct Answer is B
Explanation
Choice A reason: Lipid-laden mast cells are not foam cells. Mast cells are immune cells that release histamine and other inflammatory mediators. They do not accumulate lipids or have a soap-like texture.
Choice B reason: Macrophages that engulf low-density lipoproteins (LDLs) are foam cells. They are part of the atherosclerotic process that leads to plaque formation in the blood vessels. They are called foam cells because they have a foamy appearance under the microscope.
Choice C reason: Injured neutrophil clots are not foam cells. Neutrophils are immune cells that fight infection and form pus. They do not engulf LDLs or contribute to atherosclerosis.
Choice D reason: Deposited adipose cells are not foam cells. Adipose cells are fat cells that store energy and secrete hormones. They do not phagocytose LDLs or form plaques in the blood vessels.
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