Which complication of musculoskeletal trauma causes the accumulation of nephrotoxic myoglobin?
Cardiogenic shock
Nerve compression syndrome
Rhabdomyolysis
Avascular necrosis
The Correct Answer is C
Rhabdomyolysis is a condition that occurs when skeletal muscle tissue breaks down rapidly due to injury, infection, drug toxicity, or other causes. The breakdown of muscle releases myoglobin, a protein that carries oxygen in muscle cells, into the bloodstream. Myoglobin can damage the kidneys by clogging the renal tubules and causing acute kidney injury. Rhabdomyolysis can also cause electrolyte imbalances, muscle weakness, and compartment syndrome.
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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 B
Explanation
Partial-thickness burns are also known as second-degree burns. They involve damage to both the epidermis (the outer layer of skin) and part of the dermis (the inner layer of skin). They cause redness, swelling, pain, and blisters. Blisters are fluid-filled sacs that form as a result of damage to the skin cells and blood vessels.
They help to protect the underlying tissues from infection and further injury.
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