The nurse discussing potential risk factors of infective endocarditis with a hospitalized client would include which of the following as a potential risk factor of this disease process?
Prosthetic cardiac valves
Sedentary lifestyle
Radiation exposure
Cardiac catheterization
The Correct Answer is A
A. The presence of prosthetic heart valves is a significant risk factor for infective endocarditis due to the increased likelihood of bacterial colonization.
B. Sedentary lifestyle is not a direct risk factor for infective endocarditis, though it may contribute to other cardiovascular issues.
C. Radiation exposure – While it may affect cardiac tissue, it is not considered a risk factor for infective endocarditis.
D. Cardiac catheterization – While it is an invasive procedure, it is not a major or common risk factor for infective endocarditis compared to prosthetic valves or structural heart defects.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. A heart rate of 160/min is more indicative of the progressive stage of shock, where compensation begins to fail.
B. Blood pressure 115/68 mmHg is within normal limits and reflects the compensatory stage, where the body maintains perfusion through mechanisms like increased heart rate and vasoconstriction.
C. Hypokalemia is not a typical finding in the compensatory stage; electrolyte shifts are more pronounced in later stages.
D. Mottled skin is a sign of poor perfusion, typically seen in the progressive or irreversible stages of shock.
Correct Answer is A
Explanation
A. The view of the electrical current changes in relation to the lead placement – Each ECG lead offers a different angle or view of the heart's electrical activity, so the waveforms in leads I, II, and III naturally look different. This variation helps clinicians assess different parts of the heart.
B. Conduction of the heart differs with lead placement – The heart's electrical conduction system functions independently of lead placement; only the view of the conduction changes.
C. Electrocardiogram (ECG) equipment has malfunctioned – Lead differences are expected and normal; this is not a sign of malfunction.
D. The circadian rhythm has changed – Circadian rhythms affect general physiological patterns but do not cause variation in ECG lead appearance.
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