South Dakota Medication Aide Practice Test

Question: 1 / 400

Which of the following is considered an osmotic agent?

Gentamicin

Ciprofloxacin

Mannitol

Mannitol is classified as an osmotic agent due to its ability to increase osmolarity in the renal tubules, leading to an increase in urine output. As an osmotic diuretic, it works by inhibiting the reabsorption of water and sodium in the kidneys, which helps to draw water out of the body and reduce edema, particularly in cases of increased intracranial pressure or certain types of kidney failure. This mechanism relies on the molecule’s properties, making it effective in medical situations requiring the management of bodily fluids and pressures.

Gentamicin and Ciprofloxacin are antibiotics, while Carboplatin is a chemotherapy agent; none of these have osmotic properties or work through the same mechanism as Mannitol. Thus, Mannitol stands out as the only choice in this scenario that functions as an osmotic agent.

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Carboplatin

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