Which factor contributes to thrombus formation?
Decreased red blood cells
Decreased coagulability
Intact endothelium
Stasis of blood flow
The Correct Answer is D
A thrombus is a blood clot that forms inside a blood vessel or the heart, which can obstruct blood flow and cause complications such as ischemia or embolism. One of the factors that predispose thrombus formation is stasis of blood flow, which means slow or stagnant movement of blood in a vessel or chamber, which can allow platelets and fibrin to accumulate and form a clot.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Marfan syndrome is a genetic disorder that affects the connective tissue, causing problems with the heart, blood vessels, eyes, bones, and joints. It is caused by a mutation in the FBN1 gene, which encodes for a protein called fibrillin-1. Marfan syndrome follows an autosomal dominant pattern of inheritance, which means that only one copy of the mutated gene is needed to cause the disorder. A person with Marfan syndrome has a 50% chance of passing on the mutated gene to each child, regardless of the gender of the parent or the child.
Correct Answer is C
Explanation
This condition is an infection of the inner lining of the heart chambers and valves, which can cause vegetation to form on the valve surfaces. Vegetations are masses of microorganisms, inflammatory cells, and fibrin that adhere to the valve leaflets and can interfere with their function. The symptoms of endocarditis may include fatigue, fever, night sweats, chills, weight loss, or heart murmur.
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