Which criterion should a nurse use to determine the proper length of the needle to administer a subcutaneous (subcut) medication?

Age of the client.

Viscosity of the solution.

Amount of adipose tissue over the muscle.

Quantity of the solution to be administered.

Answer and Explanation

The Correct Answer is C

The proper length of the needle to administer a subcutaneous injection depends on the amount of adipose tissue over the muscle.

The needle should be long enough to reach the subcutaneous layer but not so long that it penetrates the muscle. The needle gauge and length vary depending on the patient’s size and the injection site

Choice A is wrong because the age of the client does not determine the needle length.

However, age may affect the amount of adipose tissue and muscle mass, which are factors to consider when choosing a needle length.

Choice B is wrong because the viscosity of the solution does not determine the needle length. However, viscosity may affect the needle gauge, which is the diameter of the needle.

Thicker solutions may require larger gauge needles to allow easier flow.

Choice D is wrong because the quantity of the solution does not determine the needle length.

However, quantity may affect the syringe size, which is the volume of medication that can be held by the syringe.

The syringe size should match the prescribed dose as closely as possible to ensure accuracy and ease of measurement.

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Correct Answer is ["B","C","D"]

Explanation

These are some of the common symptoms of hypothyroidism, which is a condition where the thyroid gland does not produce enough thyroid hormones. Thyroid hormones regulate the body’s metabolism, temperature and heart rate.

Choice A is wrong because a pulse of 126 is too high for hypothyroidism. Hypothyroidism usually causes a slow heart rate (bradycardia), not a fast one (tachycardia). A normal resting pulse rate for adults is between 60 and 100 beats per minute.

Choice E is wrong because a pulse of 54 is within the normal range for

hypothyroidism. Hypothyroidism can cause a pulse rate lower than 60 beats per minute, but this is not always abnormal. Some people, such as athletes, may have a lower resting pulse rate due to their fitness level.

The normal ranges for thyroid function tests are:

Thyroid-stimulating hormone (TSH): 0.4 to 4.0 milli-international units per liter (mIU/L).
Free thyroxine (T4): 0.8 to 2.8 nanograms per deciliter (ng/dL).
Total triiodothyronine (T3): 80 to 220 ng/dL.

A. 0.5. B. 50. C. 500. D. 5.

Correct Answer is D

Explanation

The question asks how many milligrams of the medication will be in 1 mL of D5W. To find this, we need to know the concentration of the medication in the solution.

Concentration is the amount of medication per unit volume of solution. We can use this formula:

Concentration = Mass / Volume

We know that 250 mg of the medication is diluted in 500 mL of D5W. So we can plug these values into the formula:

Concentration = 250 mg / 500 mL Simplifying, we get:

Concentration = 0.5 mg / mL

This means that there are 0.5 mg of the medication in every 1 mL of D5W. So the answer is

To check our answer, we can use another formula:

Mass = Concentration x Volume

If we want to find the mass of the medication in 1 mL of D5W, we can multiply the concentration by the volume:

Mass = 0.5 mg / mL x 1 mL Simplifying, we get:

Mass = 0.5 mg

This matches our answer.

The other choices are wrong because they do not use the correct formula or values. Here is why:

Choice A is wrong because it uses the inverse of the concentration (1 / 0.5) instead of the concentration (0.5).

Choice B is wrong because it uses the mass of the medication (250 mg) instead of the concentration (0.5 mg / mL).

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Which criterion should a nurse use to determine the proper length of the needle to administer a subcutaneous (subcut) medication?

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Naxlex Comprehensive Predictor Exams

A client has been newly diagnosed with hypothyroidism. What symptoms or signs would be expected with this diagnosis? Select all that apply.

Correct Answer is ["B","C","D"]

Explanation

When 250 mg of a medication is diluted in 500 mL of 5% dextrose in water, how many milligrams of the medication will be in 1 mL of D5W?

Correct Answer is D

Explanation

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