Which class of medications are given to liquefy secretions and make them easier to expel?
Mucolytics
Glucocorticoids
Calcium channel blockers
Bronchodilators
The Correct Answer is A
Choice A reason: Mucolytics (e.g., acetylcysteine) break disulfide bonds in mucus, thinning it to ease expectoration, directly aiding secretion clearance in respiratory conditions.
Choice B reason: Glucocorticoids reduce inflammation in airways, not liquefying mucus; they address swelling, not viscosity, so they don’t facilitate expulsion directly.
Choice C reason: Calcium channel blockers relax vascular smooth muscle for hypertension, not affecting mucus consistency or respiratory secretions, irrelevant to this goal.
Choice D reason: Bronchodilators open airways, improving airflow, but don’t alter mucus viscosity, aiding breathing, not secretion liquefaction or removal specifically.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Elevating legs above heart level aids venous return, not arterial flow, worsening PAD’s poor circulation, reducing oxygen to ischemic tissues further.
Choice B reason: Warm environments dilate peripheral vessels, improving blood flow to PAD-affected limbs, reducing claudication pain and supporting tissue perfusion safely.
Choice C reason: Heating pads risk burns in PAD due to reduced sensation and poor healing, potentially worsening ischemic damage rather than relieving pain effectively.
Choice D reason: Antiembolic stockings prevent clots in venous stasis, not PAD, an arterial issue, and may compress arteries, further impairing circulation to legs.
Correct Answer is A
Explanation
Choice A reason: ESRD impairs fluid excretion, causing hypervolemia, leading to edema, crackles from pulmonary fluid, and hypertension from increased vascular volume, matching these symptoms.
Choice B reason: Hypovolemia, low fluid volume, causes hypotension and dry tissues, not swelling, crackles, or high blood pressure, which indicate excess fluid, not deficit.
Choice C reason: Hyperkalemia elevates potassium, causing arrhythmias or muscle issues, not directly linked to crackles, edema, or hypertension, which are fluid-related in ESRD.
Choice D reason: Hyponatremia, low sodium, may cause neurological symptoms, but crackles, edema, and hypertension point to fluid overload, not sodium imbalance primarily.
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