Nursing Elites

1. Which diagnostic test is used to confirm tuberculosis (TB) infection?

• A. Chest X-ray
• B. Sputum culture
• C. Skin test (Mantoux)
• D. MRI

Correct answer: C

Rationale: The Mantoux skin test, also known as the Tuberculin Skin Test (TST), is used to confirm tuberculosis (TB) infection. This test involves injecting a small amount of tuberculin protein derivative under the top layer of the skin and then evaluating the immune system's response to the protein. A positive reaction indicates exposure to the TB bacteria. Chest X-rays are used to detect abnormalities in the lungs caused by TB but are not confirmatory. Sputum culture is used to identify the presence of TB bacteria in the sputum. MRIs are not typically used as a primary diagnostic tool for TB.

2. A nurse is preparing to administer heparin subcutaneously to a client. Which of the following actions should the nurse take?

• A. Use a 21-gauge needle for injection.
• B. Inject the medication into the client's deltoid muscle.
• C. Administer the medication within 5 cm (2 in) of the umbilicus.
• D. Massage the injection site after administration.

Correct answer: C

Rationale: The correct action the nurse should take when preparing to administer heparin subcutaneously is to administer the medication within 5 cm (2 in) of the umbilicus. This practice ensures proper subcutaneous delivery of the medication. Choice A is incorrect because a smaller gauge needle, typically 25-26 gauge, is used for subcutaneous injections. Choice B is incorrect as heparin should not be injected into the deltoid muscle but rather into fatty tissue. Choice D is incorrect as massaging the injection site after administration can lead to tissue irritation or bruising.

3. A nurse is preparing to administer vancomycin IV to a client who has methicillin-resistant Staphylococcus aureus (MRSA). Which of the following actions should the nurse take?

• A. Administer the medication over 60 minutes
• B. Monitor the client's blood glucose level during administration
• C. Infuse the medication rapidly to reduce the risk of infection
• D. Administer the medication using a filter needle

Correct answer: A

Rationale: The correct action the nurse should take is to administer the medication over 60 minutes. This is important because administering vancomycin over 60 minutes helps prevent red man syndrome, a reaction that can occur with rapid infusion. Monitoring the client's blood glucose level (Choice B) is unrelated to vancomycin administration. Infusing the medication rapidly (Choice C) is incorrect and can lead to adverse reactions. Administering the medication using a filter needle (Choice D) is unnecessary for vancomycin administration.

4. What is the priority nursing action for a patient with confusion post-surgery?

• A. Administer oxygen
• B. Reposition the patient
• C. Check oxygen saturation
• D. Perform a neurological exam

Correct answer: A

Rationale: The correct answer is to administer oxygen. Post-surgery, confusion in a patient could be due to hypoxia, a condition where the body is deprived of an adequate oxygen supply. Administering oxygen helps address hypoxia promptly, improving oxygen levels in the body and potentially resolving the confusion. Repositioning the patient, checking oxygen saturation, and performing a neurological exam may be important interventions but addressing hypoxia with oxygen administration takes precedence as the priority action.

5. What is the first intervention for a patient experiencing anaphylactic shock?

• A. Administer epinephrine
• B. Administer corticosteroids
• C. Administer antihistamines
• D. Administer oxygen

Correct answer: A

Rationale: The correct answer is to administer epinephrine as the first intervention for a patient experiencing anaphylactic shock. Epinephrine is crucial in reversing the allergic reaction and restoring cardiovascular stability. Corticosteroids (Choice B) are not the first-line treatment for anaphylactic shock but may be used as an adjunct therapy. Antihistamines (Choice C) can help relieve itching and hives but are not as effective as epinephrine in treating the systemic effects of anaphylaxis. Oxygen (Choice D) may be necessary to support breathing in severe cases of anaphylaxis, but administering epinephrine takes precedence in the management of anaphylactic shock.

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