A patient with left heart failure starts to have a cough and dyspnea. Pulmonary symptoms common to left heart failure are a result of:

Decreased cardiac output.

Bronchoconstriction.

Inflammatory pulmonary edema.

Pulmonary vascular congestion.

Answer and Explanation

The Correct Answer is D

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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Correct Answer is C

Explanation

Choice A reason: This is not a symptom of right heart failure. Hypertension is a risk factor for developing heart failure, but it does not indicate the severity or location of the heart failure.

Choice B reason: This is not a symptom of right heart failure. Dyspnea upon exertion is a symptom of left heart failure, which occurs when the left ventricle fails to pump blood effectively to the lungs.

Choice C reason: This is a symptom of right heart failure. Significant edema to both lower legs and feet is a result of increased pressure in the systemic circulation, which occurs when the right ventricle fails to pump blood effectively to the rest of the body. This causes fluid to accumulate in the dependent areas, such as the lower extremities.

Choice D reason: This is not a symptom of right heart failure. Decreased urine output is a symptom of left heart failure, which occurs when the left ventricle fails to pump blood effectively to the aorta and the rest of the body. This causes reduced renal perfusion and oliguria.

A. Abnormally dilated arteries and veins B. Arterial wall thinning and weakening C. Autonomic nervous system imbalances D. Abnormal thickening and hardening of vessel walls

Correct Answer is D

Explanation

Choice A reason: Abnormally dilated arteries and veins are not a result of atherosclerosis. They are a sign of aneurysms or varicose veins, which are caused by different factors.

Choice B reason: Arterial wall thinning and weakening are not a result of atherosclerosis. They are a sign of arteriosclerosis, which is a general term for the loss of elasticity and flexibility of the arteries.

Choice C reason: Autonomic nervous system imbalances are not a result of atherosclerosis. They are a sign of dysautonomia, which is a disorder of the nervous system that affects the regulation of vital functions.

Choice D reason: Abnormal thickening and hardening of vessel walls are a result of atherosclerosis. They are caused by the accumulation of plaque, which is composed of cholesterol, fatty substances, calcium, and other materials.

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A patient with left heart failure starts to have a cough and dyspnea. Pulmonary symptoms common to left heart failure are a result of:

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

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Correct Answer is D

Explanation

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