A health care provider prescribes guaifenesin with dextromethorphan 1 tablespoon every 6 hours for a client who has a nonproductive cough.
How many milliliters should a nurse administer for each dose?

10 mL.

5 mL.

15 ml.

30 ml.

Answer and Explanation

The Correct Answer is D

This is because the prescribed dose is 1 tablespoon, which is equivalent to 15 ml. Therefore, to get the amount of milliliters for each dose, you need to multiply 15 ml by 2, which gives you 30 ml.

Choice A is wrong because 10 ml is less than 1 tablespoon.

Choice B is wrong because 5 ml is equal to 1 teaspoon, which is one-third of a tablespoon.

Choice C is wrong because 15 ml is equal to 1 tablespoon, which is half of the prescribed dose.

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Correct Answer is A

Explanation

This is because diarrhea can cause a loss of potassium along with water and other electrolytes. Potassium is an important mineral that helps regulate the heartbeat, nerve impulses and muscle contractions. Low levels of potassium can cause symptoms such as weakness, fatigue, muscle cramps, irregular heartbeat and constipation.

Choice B. Hypocalcemia is wrong because diarrhea does not usually cause a loss of

calcium. Calcium is another mineral that helps with muscle and nerve function, blood clotting and bone health. Low levels of calcium can cause symptoms such as numbness, tingling, muscle spasms, seizures and confusion.

Choice C. Hyponatremia is wrong because diarrhea can cause a loss of sodium, but not to the extent that it causes hyponatremia. Sodium is the most abundant electrolyte in the body and it helps regulate fluid balance, blood pressure and nerve and muscle function. Low levels of sodium can cause symptoms such as headache, confusion, nausea, vomiting, seizures and coma.

Choice D. Hypochloremia is wrong because diarrhea can cause a loss of chloride, but not to the extent that it causes hypochloremia. Chloride is another electrolyte that helps maintain fluid balance, blood pressure and acid-base balance. Low levels of chloride can cause symptoms such as weakness, dehydration, alkalosis (high blood pH) and muscle twitching.

The normal ranges for electrolytes in the blood are:

Potassium: 3.5 to 5 mEq/L
Calcium: 8.5 to 10.2 mg/dL
Sodium: 135 to 145 mEq/L
Chloride: 96 to 106

A. Hemoglobin 15.3 mg/dL. B. Serum Osmolality 265 mOsm/Kg. C. Serum Sodium 134 mEq/L. D. Urine specific gravity 1.025.

Correct Answer is B

Explanation

This indicates that the client has a fluid volume deficit, which is consistent with the signs and symptoms of low urine output, weight gain, irritability, and headache. The normal range for serum osmolality is 275 to 295 mOsm/Kg.

Choice A is wrong because hemoglobin 15.3 mg/dL is within the normal range of 12 to 18 mg/dL and does not correlate with fluid imbalance.

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A health care provider prescribes guaifenesin with dextromethorphan 1 tablespoon every 6 hours for a client who has a nonproductive cough. How many milliliters should a nurse administer for each dose?

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Naxlex Comprehensive Predictor Exams

Which electrolyte imbalance should a nurse expect to assess in a client who reports diarrhea for the past three days?

Correct Answer is A

Explanation

The client’s 24-hour urine output is 750 mL and an amber color, oral intake is 1700 mL, and the weight has increased 3 kilograms in 2 days. The client is irritable and states “I have a headache.” Which laboratory value most correlates with these signs and symptoms?

Correct Answer is B

Explanation

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A health care provider prescribes guaifenesin with dextromethorphan 1 tablespoon every 6 hours for a client who has a nonproductive cough.
How many milliliters should a nurse administer for each dose?