A nurse is preparing to administer purified protein derivative (PPD) skin test to another healthcare worker. Which of the following statements about the test is incorrect?

You will need to return in 48-72 hours to have the test read

A positive skin test will mean you need to have a follow up a chest x-ray

"induration of greater than or equal to 10 millimeters means you have been exposed

"induration of greater than or equal to 10 millimeters means you have active tuberculosis

Answer and Explanation

The Correct Answer is D

A. You will need to return in 48-72 hours to have the test read:
This statement is correct. The purified protein derivative (PPD) skin test, also known as the tuberculin skin test (TST), must be read within 48-72 hours after administration. If the test is not read within this timeframe, the results may not be valid, and the test may need to be repeated. The test evaluates the presence of induration (swelling) at the injection site, which indicates a delayed-type hypersensitivity reaction to the tuberculosis antigen.

B. A positive skin test will mean you need to have a follow-up chest x-ray:
This statement is correct. A positive PPD skin test indicates exposure to Mycobacterium tuberculosis (the bacteria that causes tuberculosis). However, a positive result does not necessarily mean the person has active tuberculosis. A follow-up chest x-ray is typically recommended to determine whether active TB disease is present. The chest x-ray helps to assess for signs of active infection, such as lung lesions.

C. "Induration of greater than or equal to 10 millimeters means you have been exposed":
This statement is correct. In the context of a PPD skin test, induration (raised area of the skin) of 10 millimeters or more is generally considered a positive result, indicating exposure to tuberculosis. However, the exact threshold for what is considered positive can vary based on individual risk factors. A positive test means the person has been exposed to the tuberculosis bacteria, but it does not confirm active disease.

D. "Induration of greater than or equal to 10 millimeters means you have active tuberculosis":
This statement is incorrect. A positive PPD skin test result indicates exposure to Mycobacterium tuberculosis, but it does not confirm active tuberculosis (TB) infection. The induration reflects prior exposure or latent infection. To determine if the individual has active TB, additional diagnostic tests such as a chest x-ray, sputum cultures, and possibly a molecular test are required. A positive PPD result does not differentiate between latent TB infection and active TB disease.

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Correct Answer is ["2"]

Explanation

Given:

Desired dose: Dextromethorphan 30 mg PO

Available concentration: Dextromethorphan oral liquid 75 mg/5 mL

To find:

Volume to administer (in mL)

Step 1: Set up the proportion

We can use the following proportion to solve the problem:

(Desired dose) / (Available concentration) = Volume to administer

Step 2: Substitute the values

Plugging in the given values, we get:

(30 mg) / (75 mg/5 mL) = Volume to administer

Step 3: Simplify

To simplify, we can invert the denominator and multiply:

(30 mg) x (5 mL / 75 mg) = Volume to administer

The "mg" units cancel out, leaving us with:

(30 x 5 mL) / 75 = Volume to administer

Step 4: Calculate

Performing the multiplication and division, we get:

150 mL / 75 = Volume to administer

2mL = Volume to administer

A. Have the client lay prone for 30 minutes. 3-4 times a day B. Continue using the limb prosthesis even if skin appear irritated C. Withhold medication for phantom limb pain as it isn't real pain D. Keep the residual limb elevated to achieve as close to as close to 90-degree hip flexion as possible

Correct Answer is A

Explanation

A. Have the client lay prone for 30 minutes. 3-4 times a day:
This statement is correct. Lying prone (on the stomach) for 30 minutes several times a day helps to prevent hip flexion contractures, which are common complications after an above-the-knee amputation. By lying prone, the residual limb is stretched and the hip joint is kept in an extended position, which helps maintain proper alignment and reduces the risk of contractures. This is a key part of postoperative care to promote optimal positioning and rehabilitation.

B. Continue using the limb prosthesis even if the skin appears irritated:
This statement is incorrect. If the skin becomes irritated or damaged, the prosthesis should not be used until the skin has healed. Continued use of the prosthesis in the presence of skin irritation can cause further damage, leading to ulcers or infections. It is essential to regularly check the residual limb for irritation, redness, or sores and adjust the prosthesis as needed. If irritation is present, the prosthesis should be removed, and appropriate skin care should be provided.

C. Withhold medication for phantom limb pain as it isn't real pain:
This statement is incorrect. Phantom limb pain is real and a common experience for individuals after an amputation. It occurs when the brain perceives pain sensations in the area where the limb used to be, even though the limb is no longer there. Phantom limb pain is often treated with pain medications, including analgesics, anticonvulsants, or antidepressants, and should not be withheld. Proper management of phantom limb pain is important for the client's comfort and overall well-being.

D. Keep the residual limb elevated to achieve as close to 90-degree hip flexion as possible:
This statement is incorrect. While it is important to elevate the residual limb after surgery to reduce swelling, it should not be elevated to the point where the hip joint is flexed to 90 degrees. Elevating the limb too much or for prolonged periods can increase the risk of developing a hip flexion contracture, which would impair mobility. The residual limb should be elevated slightly, but the hip joint should not be excessively flexed. Ideally, the limb should be positioned in a neutral or extended position when elevated.

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A nurse is preparing to administer purified protein derivative (PPD) skin test to another healthcare worker. Which of the following statements about the test is incorrect?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer dextromethorphan 30 mg PO. The amount available is dextromethorphan oral liquid 7.5 mg/5mL. How many should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero)

Correct Answer is ["2"]

Explanation

Which of the following interventions should the nurse include when caring for a client who is returning from surgery for an above-the-knee amputation?

Correct Answer is A

Explanation

A patient has Human Immunodeficiency Virus infection and the viral load is reported as undetectable. What patient teaching should be provided by the nurse related to this laboratory study results?

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