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The primary health-care provider prescribes a cough syrup 0.4 g every 4 hours. The dosage strength of the syrup is 100 mg/5 mL. The medication bottle contains a measuring spoon that measures in teaspoons and tablespoons. How many teaspoons will the nurse instruct the client to take?
Answer and Explanation

The Correct Answer is ["4"]

Step 1: Convert the Prescribed Dose to Milligrams

 

The prescribed dose is 0.4 grams (g), but the medication strength is in milligrams (mg). We need to use the same unit for both.

  • There are 1000 mg in 1 g.

  • To convert 0.4 g to mg, we multiply by 1000.

  • 0.4×1000=400

  • The prescribed dose is 400 mg.

 

Step 2: Calculate the Volume (in mL) Needed for the Dose

 

We know that 5 mL of the syrup contains 100 mg of medication. We need to find out how many mL are needed for 400 mg.

  • To find out how many groups of 100 mg are in 400 mg, we divide:

  • 400÷100=4

  • This means we need 4 times the volume of syrup that contains 100 mg.

  • The volume for 100 mg is 5 mL. So, we multiply 4 by 5 mL.

  • 4×5 mL=20 mL

  • The total volume needed per dose is 20 mL.

 

Step 3: Convert the Volume to Teaspoons

 

The measuring spoon is in teaspoons (tsp). We need to convert 20 mL to teaspoons.

  • There are 5 mL in 1 teaspoon.

  • To find out how many teaspoons are in 20 mL, we divide 20 by 5.

  • 20÷5=4

  • The dose is 4 teaspoons.

The nurse will instruct the client to take 4 teaspoons.

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Related Questions

Correct Answer is D

Explanation

A. Incorrect. Palpitations, which are rapid or irregular heartbeats, are more commonly associated with hyperthyroidism, where there is an excess of thyroid hormones.

B. Incorrect. Diaphoresis, or excessive sweating, is not typically associated with hypothyroidism.

C. Incorrect. Exophthalmos, or bulging of the eyes, is a characteristic finding in hyperthyroidism (specifically Graves' disease) and is not typically seen in hypothyroidism.

D. Correct. Weight gain is a common finding in hypothyroidism. The slowing down of metabolic processes due to insufficient thyroid hormones can lead to an increase in body weight.

Correct Answer is C

Explanation

A. Incorrect. This statement describes the cause of diabetes mellitus, not Addison's disease.

B. Incorrect. Overproduction of growth hormone is associated with conditions like acromegaly or gigantism, not Addison's disease.

C. Correct. Addison's disease is caused by the lack of production of aldosterone by the adrenal gland.

D. Incorrect. Overproduction of parathormone is associated with hyperparathyroidism, not Addison's disease.

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