(1 point). Listen.
A nurse is asked what causes infective endocarditis.
What is the nurse's best answer?
Infective endocarditis is most often caused by:.
Viruses.
Bacteria.
Fungi.
Autoimmunity.
The Correct Answer is C
Choice A rationale:
Infective endocarditis is most often caused by bacteria. This condition occurs when bacteria enter the bloodstream and adhere to the inner lining of the heart's chambers or valves, leading to infection. Viruses, fungi, and autoimmunity can also cause endocarditis, but bacterial endocarditis is the most common and typical form.
Choice B rationale:
While viruses can cause infective endocarditis, they are not the most common cause. Bacterial endocarditis is far more prevalent and frequently encountered in clinical practice.
Choice D rationale:
Fungi can cause endocarditis, but it is less common compared to bacterial endocarditis. Fungal endocarditis often occurs in individuals with compromised immune systems.
Choice E rationale:
Autoimmunity is not a primary cause of infective endocarditis. Autoimmune diseases may lead to various cardiac conditions, but they are not the primary etiology of infective endocarditis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Mitogens like angiotensin II and growth factors stimulate smooth muscle proliferation. Mitogens are substances that promote cell division and growth. Angiotensin II, for example, is known to stimulate smooth muscle cell proliferation, which can lead to conditions like vascular remodeling and hypertension.
Choice B rationale:
Endothelial injury is not directly stimulated by mitogens. Mitogens are more associated with cell growth and proliferation rather than causing injury to endothelial cells.
Choice C rationale:
Mitogens are not typically associated with cardiac muscle toxicity. Cardiac muscle toxicity can result from various factors like certain medications or diseases, but mitogens are not the primary cause of cardiac muscle toxicity.
Choice D rationale:
Mitogens are not directly related to the activation of phagocytes. Phagocytes are white blood cells involved in the immune response, and their activation is more related to infection or inflammation rather than mitogenic stimulation. Moving on to the last question.
Correct Answer is B
Explanation
Choice A rationale:
Pressure ulcers are not typically related to blood pooling in superficial veins due to prolonged standing. Pressure ulcers are usually caused by sustained pressure on the skin and underlying tissues, leading to tissue damage.
Choice B rationale:
Varicose veins can develop when blood pools in the superficial veins, often due to prolonged standing or increased pressure on the veins. This can lead to the dilation and twisting of the veins, resulting in varicose veins. Therefore, if a person stands for long periods of time, the nurse should assess for the development of varicose veins.
Choice C rationale:
Emboli and thromboangitis obliterans (Buerger's disease) are not directly related to blood pooling in superficial veins due to prolonged standing. Emboli are blood clots or other materials that travel through the bloodstream and can potentially block vessels in various parts of the body. Thromboangitis obliterans is a rare inflammatory condition that primarily affects the blood vessels of the extremities.
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