A nurse is preparing a client for intradermal tuberculin skin testing (TST). Which of the following statements should the nurse make?

“An indurated area of 4 millimeters indicates a positive result.”.

“The injection site will be evaluated within 24 hours.”.

“A positive result does not always indicate active disease.”.

“The test will not be administered if you have had a previous negative result.”. .

Answer and Explanation

The Correct Answer is C

Choice A rationale
An indurated area of 4 millimeters is not considered a positive result for tuberculin skin testing. The size of induration considered positive varies based on the individual’s risk factors and health status.
Choice B rationale
The injection site for a tuberculin skin test should be evaluated between 48 and 72 hours after administration, not within 24 hours. Evaluating it too early may not provide accurate results.
Choice C rationale

A positive result in a tuberculin skin test indicates that the person has been infected with TB bacteria, but it does not necessarily mean they have active TB disease. Further tests are needed to determine if the disease is active.
Choice D rationale
A previous negative result does not preclude the administration of a new tuberculin skin test. Individuals can be retested if there is a new risk of exposure or if it is required for medical or occupational reasons.

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Correct Answer is A

Explanation

Choice A rationale
Regular insulin is correct because it is a short-acting insulin that can be used to treat diabetic ketoacidosis (DKA). The client’s symptoms of confusion, flushed appearance, and acetone odor on the breath suggest DKA, which requires prompt treatment with insulin to lower blood glucose levels and correct metabolic acidosis. Regular insulin has a rapid onset of action and can be administered intravenously to achieve quick results.
Choice B rationale
NPH insulin is incorrect because it is an intermediate-acting insulin that is not suitable for the immediate treatment of DKA. NPH insulin has a slower onset of action and is typically used for

basal insulin coverage rather than for acute management of hyperglycemia. In cases of DKA, rapid-acting or short-acting insulin is preferred to achieve quick glucose control.
Choice C rationale
Glargine insulin is incorrect because it is a long-acting insulin that provides basal insulin coverage over 24 hours. It is not suitable for the immediate treatment of DKA, as it does not have a rapid onset of action. Glargine insulin is typically used for maintaining stable blood glucose levels over a prolonged period rather than for acute management of hyperglycemia.
Choice D rationale
Detemir insulin is incorrect because it is a long-acting insulin similar to glargine. It provides basal insulin coverage and is not suitable for the immediate treatment of DKA. Detemir insulin has a slower onset of action and is used for maintaining stable blood glucose levels rather than for rapid correction of hyperglycemia in acute situations.

A. High-purine diet. B. Low levels of serum calcium. C. Female gender. D. Drinking large quantities of fluids.

Correct Answer is A

Explanation

Choice A rationale
A high-purine diet is a known risk factor for urolithiasis (kidney stones). Purines are broken down into uric acid, which can form crystals and stones in the kidneys.
Choice B rationale
Low levels of serum calcium are not a risk factor for urolithiasis. In fact, high levels of calcium in the urine (hypercalciuria) are more commonly associated with kidney stones.
Choice C rationale
Female gender is not a significant risk factor for urolithiasis. Men are generally more likely to develop kidney stones than women.

Choice D rationale
Drinking large quantities of fluids is not a risk factor for urolithiasis. In fact, adequate hydration is recommended to help prevent the formation of kidney stones.

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A nurse is preparing a client for intradermal tuberculin skin testing (TST). Which of the following statements should the nurse make?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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