When documenting a musculoskeletal assessment, which of the following descriptions correctly indicates a muscle strength rating of 4/5?
Full range of motion against gravity only
Muscle contraction visible but no movement of the joint
Full range of motion against gravity with some resistance
Full range of motion against gravity with full resistance
The Correct Answer is C
Choice A reason: Full range of motion against gravity only corresponds to a 3/5 muscle strength rating, indicating the muscle can move the joint against gravity but not additional resistance. This is weaker than 4/5, which includes some resistance, making this choice incorrect for the described strength level.
Choice B reason: Visible muscle contraction without joint movement indicates a 1/5 rating, reflecting minimal strength, often seen in severe neurological or muscular disorders. This is far below a 4/5 rating, which requires full range of motion and resistance, making this choice irrelevant to the question.
Choice C reason: A 4/5 muscle strength rating indicates full range of motion against gravity with some resistance, but not maximal. This reflects good muscle function, slightly below normal, often due to minor injury or fatigue. It aligns with standard muscle strength scales, making it the correct choice.
Choice D reason: Full range of motion against gravity with full resistance corresponds to a 5/5 rating, indicating normal muscle strength. This is stronger than 4/5, which involves only some resistance, reflecting a slight deficit. This choice does not match the described strength level.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Painful urination, or dysuria, involves discomfort during voiding, often due to urinary tract infections or inflammation. It is not synonymous with nocturia, which specifically refers to frequent nighttime urination. Dysuria requires distinct clinical evaluation, including urinalysis, to identify causes like bacterial infection or urethral irritation, making this an incorrect description of the patient’s complaint.
Choice B reason: Nocturia is the medical term for frequent urination at night, disrupting sleep. In elderly patients, it may result from reduced bladder capacity, overactive bladder, or conditions like benign prostatic hyperplasia. This matches the patient’s complaint, as it directly addresses the symptom without implying unrelated issues like pain or incontinence, making it the accurate choice.
Choice C reason: Bladder incontinence involves involuntary urine leakage, distinct from nocturia, which is voluntary urination at night. Incontinence may stem from neurological disorders or weakened pelvic muscles but does not describe the patient’s symptom of frequent nighttime voiding. This choice is incorrect, as it misaligns with the clinical presentation described.
Choice D reason: An inability to void, or urinary retention, is the opposite of nocturia, where the patient voids frequently. Retention may result from obstructions like an enlarged prostate or neurological issues, requiring catheterization or imaging for diagnosis. This choice does not reflect the patient’s symptom of active, frequent urination at night.
Correct Answer is D
Explanation
Choice A reason: Cyanosis, indicating hypoxia, is not typical in alcohol use disorder with weight gain and abdominal tightness, which suggest liver issues like ascites causing jaundice. Assuming cyanosis risks misdiagnosis, delaying liver assessment or treatment, critical for managing complications like cirrhosis or portal hypertension in patients with chronic alcohol use.
Choice B reason: Erythema (redness) is unrelated to alcohol-related abdominal tightness and weight gain, which indicate liver dysfunction, often presenting with jaundice. Misdiagnosing erythema risks overlooking hepatic issues, delaying interventions like diuretics for ascites, essential for managing liver complications and improving outcomes in alcohol use disorder patients.
Choice C reason: Appearing normal is unlikely with alcohol use disorder causing weight gain and abdominal tightness, typically from ascites or liver damage, presenting as jaundice. Assuming normal risks missing serious liver pathology, delaying diagnosis and treatment, critical for preventing progression of cirrhosis or liver failure in affected patients.
Choice D reason: Jaundice, yellowing of skin, is likely in alcohol use disorder with abdominal tightness and weight gain, indicating liver dysfunction (e.g., cirrhosis or alcoholic hepatitis) causing ascites. Recognizing this guides urgent liver evaluation and treatments like abstinence or diuretics, critical for managing complications and improving survival in chronic alcohol users.
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