When displayed by the patient, which symptom would be most indicative to the nurse to withhold a recently prescribed nonselective beta-adrenergic blocker?
Hyperglycemia
Dizziness
Peripheral edema
Wheezing
The Correct Answer is D
Choice A reason: This is not a symptom that would indicate withholding a nonselective beta-adrenergic blocker. Hyperglycemia is a high level of glucose in the blood, which can be caused by diabetes or other conditions. Nonselective beta-adrenergic blockers do not affect blood glucose levels directly, but they may mask the signs of hypoglycemia (low blood glucose) in diabetic patients.
Choice B reason: This is not a symptom that would indicate withholding a nonselective beta-adrenergic blocker. Dizziness is a common side effect of many medications, especially those that lower blood pressure. Nonselective beta-adrenergic blockers can cause dizziness by reducing the heart rate and cardiac output, but this is usually mild and transient.
Choice C reason: This is not a symptom that would indicate withholding a nonselective beta-adrenergic blocker. Peripheral edema is swelling of the ankles, feet, or legs, which can be caused by heart failure, kidney disease, or venous insufficiency. Nonselective beta-adrenergic blockers do not cause peripheral edema, but they may worsen it in patients with heart failure.
Choice D reason: This is a symptom that would indicate withholding a nonselective beta-adrenergic blocker. Wheezing is a high-pitched sound that occurs when breathing is obstructed, usually due to asthma or chronic obstructive pulmonary disease (COPD). Nonselective beta-adrenergic blockers can aggravate or cause wheezing by blocking the beta-2 receptors in the lungs, which normally cause bronchodilation (widening of the airways). Therefore, nonselective beta-adrenergic blockers are contraindicated in patients with asthma or COPD.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: This is not the cause of airway obstruction in asthma. Collapse of the cartilaginous rings in the bronchi is a feature of tracheobronchomalacia, a condition in which the airways are weak and floppy.
Choice B reason: This is not the cause of airway obstruction in asthma. Type II alveolar cell injury and decreased surfactant are associated with acute respiratory distress syndrome (ARDS), a condition in which the alveoli are damaged and filled with fluid.
Choice C reason: This is not the cause of airway obstruction in asthma. Alveolar changes and pulmonary congestion are seen in chronic obstructive pulmonary disease (COPD), a condition in which the alveoli are enlarged and lose their elasticity.
Choice D reason: This is the correct cause of airway obstruction in asthma. Asthma is a chronic inflammatory disorder of the airways, characterized by mucus secretion, bronchoconstriction, and airway edema. These factors reduce the diameter of the airways and increase the resistance to airflow.
Correct Answer is C
Explanation
Choice A reason: This is not an adverse effect of ACE inhibitors. Constipation is a common side effect of opioid medications, which slow down the intestinal motility and cause hard stools.
Choice B reason: This is not an adverse effect of ACE inhibitors. Hypokalemia is a low level of potassium in the blood, which can be caused by diuretic medications, such as furosemide or hydrochlorothiazide, which increase the urine output and potassium excretion.
Choice C reason: This is an adverse effect of ACE inhibitors. Chronic cough is a dry, persistent cough that occurs in some patients taking ACE inhibitors, due to the accumulation of bradykinin, a substance that causes inflammation and irritation in the respiratory tract.
Choice D reason: This is not an adverse effect of ACE inhibitors. Nervousness is a common side effect of stimulant medications, such as caffeine or amphetamine, which increase the activity of the central nervous system and cause anxiety, agitation, and insomnia.
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