Polystyrene sulfonate (Kayexalate) is used in renal failure to:

Reduce serum phosphate levels.

Prevent constipation from sorbitol use.

acts by pulling potassium into the bowels and exchanging it for sodium

acts by adding potassium into the bowels and exchanging it for sodium bicarbonate

Answer and Explanation

The Correct Answer is C

Choice A rationale: Kayexalate is not primarily used for phosphate reduction.

Choice B rationale: Kayexalate can have sorbitol in its formulation, which might cause diarrhea rather than constipation.

Choice C rationale: Kayexalate works as a cation-exchange resin that promotes potassium excretion in the bowels.

Choice D rationale: Kayexalate does not add potassium; it exchanges sodium for potassium in the bowels.

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Correct Answer is B

Explanation

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.

A. Human papillomavirus infection B. Genital herpes C. Gonorrhea D. Infectious mononucleosis

Correct Answer is C

Explanation

Choice A rationale: HPV is a sexually transmitted infection but must not necessarily be reported to the public health department.

Choice B rationale: Genital herpes should not be reported to the public health department.

Choice C rationale: Gonorrhea is a reportable disease, meaning that health care providers must notify the public health department of any confirmed cases. This helps to prevent the spread of the infection and provide treatment and counseling to the affected individuals and their partners.

Choice D rationale: Infectious mononucleosis should not be reported to the public health department.

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Polystyrene sulfonate (Kayexalate) is used in renal failure to:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which disorder is associated with the compression of the bilateral nerve roots of the lumbosacral region?

Correct Answer is B

Explanation

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Correct Answer is C

Explanation

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