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 A
Explanation
Infectious mononucleosis, also known as mono or the kissing disease, is an upper respiratory tract infection caused by the Epstein-Barr virus (EBV). EBV is a member of the herpesvirus family and can be transmitted through saliva or blood. The infection typically affects the lymph nodes, tonsils, and pharynx, causing symptoms such as fever, sore throat, swollen glands, and fatigue. The infection usually resolves on its own within a few weeks, but some people may experience complications such as splenomegaly, hepatitis, or neurological disorders. The diagnosis of infectious mononucleosis can be confirmed by a blood test that detects antibodies to EBV or by a mono-spot test that detects heterophile antibodies. A patient has been diagnosed with COPD (chronic obstructive pulmonary disease).
Correct Answer is B
Explanation
Metabolic acidosis is a condition where the blood's pH is lowered due to an excess of non-volatile acids in the body, such as lactic acid, ketoacids, or ingested acids. This can occur due to diabetes, kidney failure, diarrhea, or ingestion of toxins.
The body has several mechanisms to compensate for metabolic acidosis and restore the normal pH balance. One of them is to hyperventilate, which helps to remove CO2 from the body and reduce the formation of H2CO3.
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