Following a myocardial infarction (MI) of the left ventricle, a patient develops left heart failure (LHF). Findings commonly associated with LHF include

low preload.

pleural effusion.

peripheral edema.

pulmonary edema.

Answer and Explanation

The Correct Answer is D

A. Preload is typically increased in LHF, as blood backs up in the left side of the heart.

B. Although pleural effusion can occur as a secondary complication in some cases of heart failure, it is not as directly indicative of LHF as pulmonary edema.

C. Peripheral edema is more characteristic of right heart failure, where blood backs up in the systemic circulation.

D. Pulmonary edema is a hallmark finding in left heart failure as the left ventricle fails to pump effectively, causing fluid to accumulate in the lungs due to back pressure from the left atrium into the pulmonary veins.

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Correct Answer is C

Explanation

A. Although pursed-lip breathing may indirectly aid oxygen intake by preventing airway collapse, its primary benefit is to help with carbon dioxide removal.

B. Pursed-lip breathing does not directly strengthen respiratory muscles; it primarily helps with breath control.

C. In emphysema, air trapping occurs due to loss of lung elasticity. Pursed-lip breathing helps slow exhalation, which creates back pressure and assists in expelling trapped carbon dioxide.

D. Mucus removal is more effectively facilitated by other techniques like controlled coughing; pursed-lip breathing focuses on prolonged exhalation.

A. Large amounts of intravenous (IV) fluids to manage their fluid volume deficit. B. Potassium supplements to increase the serum potassium level. C. Postmortem care since death is near. D. Dialysis or kidney transplantation.

Correct Answer is D

Explanation

A. Large amounts of IV fluids are generally not used in ESRD because the kidneys cannot effectively remove excess fluids, potentially worsening fluid overload.

B. Potassium supplements are avoided, as ESRD patients often have elevated potassium levels due to reduced excretion, which can lead to dangerous cardiac complications.

C. While ESRD is serious, postmortem care is premature; many patients manage ESRD with appropriate treatment.

D. Dialysis or kidney transplantation is the standard treatment for ESRD to take over the functions that the kidneys can no longer perform, such as waste removal and fluid balance.

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Following a myocardial infarction (MI) of the left ventricle, a patient develops left heart failure (LHF). Findings commonly associated with LHF include

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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