Which disorder is associated with the compression of the bilateral nerve roots of the lumbosacral region?
Anterior spinal artery syndrome
Cauda equina syndrome
Horner's syndrome
Brown-Séquard syndrome
The Correct Answer is B
Choice A rationale: Anterior spinal artery syndrome is caused by ischemia of the anterior two-thirds of the spinal cord, resulting in loss of motor function and pain and temperature sensation below the level of the lesion.
Choice B rationale: This is a condition that occurs when the nerve roots in the lower end of the spinal cord are compressed, causing symptoms such as lower back pain, sciatica, saddle anesthesia, bladder and bowel dysfunction, and sexual dysfunction.
Choice C rationale: Horner's syndrome is caused by damage to the sympathetic nerve fibers in the neck or chest, resulting in drooping eyelid, constricted pupil, and lack of sweating on one side of the face.
Choice D rationale: Brown-Séquard syndrome is caused by hemisection of the spinal cord, resulting in ipsilateral loss of motor function and proprioception and contralateral loss of pain and temperature sensation below the level of the lesion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale: this corresponds with 25 mg which is lower than the prescribed amount.
Choice B rationale: To answer this question, we need to use the formula: volume (mL) = dose (mg) / concentration (mg/mL). We plug in the given values: volume (mL) = 35 mg / 25 mg/mL. We simplify the fraction: volume (mL) = 7/5. We convert the fraction to a
decimal: volume (mL) = 1.4. Therefore, the nurse should administer 1.4 mL of promethazine.
Choice C rationale: this corresponds with 37.5 mg which is too high.
Choice D rationale: this corresponds with 17.5 mg which is too low.
Correct Answer is A
Explanation
Choice A rationale: After visual inspection, the next step typically involves auscultation, which allows the nurse to listen for bowel sounds and gather information about
gastrointestinal function.
Choice B rationale: Percussion involves tapping the abdomen to assess density or abnormal masses but usually follows auscultation.
Choice C rationale: Palpation, both light and deep, follows percussion in the sequence of an abdominal examination.
Choice D rationale: Similar to light palpation, deep palpation follows auscultation and percussion in the sequence of an abdominal examination.
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