Which of the following is not a cause of high-output heart failure?
Hypertension
Severe anemia
Sepsis
Hyperthyroidism
The Correct Answer is A
A. Hypertension: This is not a cause of high-output heart failure. Hypertension typically leads to low-output heart failure due to increased afterload, which causes the heart to work harder.
B. Severe anemia: Severe anemia causes high-output heart failure because the body compensates for the decreased oxygen-carrying capacity by increasing cardiac output.
C. Sepsis: Sepsis can lead to high-output heart failure as the body attempts to maintain perfusion in the face of widespread vasodilation.
D. Hyperthyroidism: Hyperthyroidism increases metabolic demands, which can cause high-output heart failure as the heart attempts to meet the increased needs.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D"]
Explanation
A. Auscultate the chest for bilateral breath sounds: Auscultating the chest immediately after intubation ensures that the endotracheal tube is correctly placed in the trachea and not in the esophagus or a bronchus.
B. Assess the patient's blood glucose: Blood glucose monitoring is not immediately necessary following intubation.
C. Determine the CO2 level: Measuring end-tidal CO2 (ETCO2) is crucial to confirm that the tube is in the trachea and that ventilation is occurring effectively.
D. Obtain a stat PCXR (Portable Chest X-ray): A chest X-ray is obtained to confirm the correct placement of the endotracheal tube, ideally 2-3 cm above the carina.
Correct Answer is D
Explanation
A. Administer a stat fluid challenge: This might temporarily improve cardiac output in tamponade, but it is not the primary intervention. The fluid challenge may be used as a temporary measure, but it does not address the underlying cause.
B. Place the patient in a prone position: This is incorrect and could worsen the patient's condition. The patient should be in a semi-recumbent position to decrease venous return and reduce pressure on the heart.
C. Draw a stat CBC: A CBC is not relevant to the immediate management of cardiac tamponade and does not address the urgent need to relieve the pressure on the heart.
D. Perform a stat pericardiocentesis: Pericardiocentesis is the definitive treatment for cardiac tamponade, as it removes the fluid from the pericardial space, relieving the pressure on the heart and allowing it to function properly.
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