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Which of the following medication classifications is considered a cytotoxic chemotherapy agent?

Calcium channel blockers.

Antimetabolites.

Diuretics.

Antibiotics.

Answer and Explanation

The Correct Answer is B

Choice A rationale

Calcium channel blockers are used to treat hypertension and angina, not as cytotoxic chemotherapy agents.

Choice B rationale

Antimetabolites are a class of chemotherapy agents that interfere with DNA and RNA synthesis, making them cytotoxic and effective in treating cancer.

Choice C rationale

Diuretics are used to remove excess fluid from the body and are not cytotoxic chemotherapy agents.

Choice D rationale

Antibiotics are used to treat bacterial infections and are not classified as cytotoxic chemotherapy agents.

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Correct Answer is A

Explanation

Choice A rationale

Lactated Ringers (LR) is an isotonic solution, which means it has the same osmolarity as blood plasma. This property makes LR suitable for rehydrating patients without causing a significant shift of fluids between compartments, maintaining the balance of electrolytes.

Choice B rationale

0.45% Sodium Chloride is a hypotonic solution, meaning it has a lower osmolarity compared to blood plasma. This type of solution would cause fluid to move into cells, potentially leading to cellular swelling.

Choice C rationale

Dextrose in Lactated Ringers is a hypertonic solution because the added dextrose increases the osmolarity. This solution can cause fluid to shift out of cells, leading to cellular shrinkage, which is not ideal for rehydration.

Choice D rationale

None of the above is incorrect because Lactated Ringers (LR) is indeed an isotonic solution.

A. Malignant tumors do not spread into, or invade, nearby tissues. B. Benign tumors do not spread into or invade nearby tissues. C. Benign tumors spread and invade nearby tissues. D. There is no difference between benign and malignant tumors.

Correct Answer is B

Explanation

Choice A rationale

Malignant tumors do spread into or invade nearby tissues. This invasive nature allows cancer cells to spread to other parts of the body through the blood or lymph systems.

Choice B rationale

Benign tumors do not spread into or invade nearby tissues. They may grow larger but do not spread to other parts of the body. Benign tumors can be serious if they press on vital structures such as blood vessels or nerves.

Choice C rationale

Benign tumors do not spread and invade nearby tissues. This statement is incorrect and contradicts the true nature of benign tumors.

Choice D rationale

There is a difference between benign and malignant tumors. Malignant tumors are cancerous and invade nearby tissues, whereas benign tumors do not.

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Which of the following medication classifications is considered a cytotoxic chemotherapy agent?

Nursing Test Bank

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Which of the following medication classifications is considered a cytotoxic chemotherapy agent?