Empyema is defined as an
infection in the blood.
infection in the pleural space.
exudative bronchitis.
infection localized in the lung.
The Correct Answer is B
Choice A reason: Infection in the blood is not empyema. It is sepsis, which is a life-threatening condition that occurs when the body's response to infection causes tissue damage, organ failure, or death.
Choice B reason: Infection in the pleural space is empyema. It is a collection of pus in the space between the lungs and the chest wall, usually caused by a bacterial infection that spreads from the lungs or the chest cavity.
Choice C reason: Exudative bronchitis is not empyema. It is a type of bronchitis that involves inflammation and excess mucus production in the bronchi, the airways that carry air to the lungs.
Choice D reason: Infection localized in the lung is not empyema. It is pneumonia, which is an inflammation of the lung tissue, usually caused by a viral or bacterial infection that affects the air sacs or the interstitial tissue.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is D
Explanation
Choice A reason: This is not a physiological response to hydralazine. Cool extremities are a sign of poor peripheral perfusion, which can be caused by vasoconstriction, not vasodilation.
Choice B reason: This is not a physiological response to hydralazine. Increased urinary output is a sign of diuresis, which can be caused by diuretic medications, not vasodilators.
Choice C reason: This is not a physiological response to hydralazine. Pale skin is a sign of reduced blood flow to the skin, which can be caused by vasoconstriction, not vasodilation.
Choice D reason: This is a physiological response to hydralazine. Reflex tachycardia is a compensatory mechanism that occurs when the blood pressure drops due to vasodilation. The heart rate increases to maintain the cardiac output and perfusion pressure.
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