Nursing Elites

1. A healthcare professional is monitoring the respiratory status of a client who has just undergone surgery and is wearing a pulse oximeter. Which of the following coexisting problems is cause for the healthcare professional to suspect that the oxygen saturation readings are not entirely accurate?

• A. Infection
• B. Hypertension
• C. Low blood pressure
• D. Loss of cough reflex

Correct answer: C

Rationale: Low blood pressure (hypotension), shock, and the use of peripheral vasoconstricting medications can lead to inaccurate pulse oximetry readings due to impaired peripheral perfusion. Hypertension and infection are not typically associated with inaccurate pulse oximetry readings, while the loss of cough reflex does not directly affect oxygen saturation readings.

2. After a renal biopsy, which intervention should the nurse include in the post-procedure plan of care?

• A. Restricting fluid intake for the first 24 hours
• B. Periodically testing the urine for occult blood
• C. Avoiding the administration of opioid analgesics
• D. Having the client ambulate in the room and hall for short distances

Correct answer: B

Rationale: After a renal biopsy, it is essential to maintain bed rest and frequently assess the client's vital signs and the puncture site. The nurse should test the urine periodically for occult blood to detect any bleeding, which could be a complication of the procedure. Restricting fluid intake for the first 24 hours is not necessary after a renal biopsy and could potentially lead to dehydration. Avoiding the administration of opioid analgesics is not a standard intervention post-renal biopsy unless contraindicated for a specific reason. Having the client ambulate in the room and hall for short distances is generally not recommended immediately after a renal biopsy due to the need for bed rest to prevent complications.

3. For a client with peripheral vascular disease (PVD) of the lower extremities who is trying to manage their condition well, which routine should the nurse evaluate as appropriate?

• A. Resting with the legs elevated above the level of the heart.
• B. Walking slowly but steadily for 30 minutes twice a day.
• C. Minimizing activity.
• D. Wearing antiembolism stockings at all times when out of bed.

Correct answer: B

Rationale: The correct answer is B. Walking slowly but steadily for 30 minutes twice a day is appropriate for clients with PVD as it helps stimulate collateral circulation and improve blood flow. Choice A is incorrect because while elevating the legs can help with symptoms temporarily, it is not as effective as walking for improving circulation. Choice C, minimizing activity, is not recommended as it can lead to further deconditioning and worsen symptoms. Choice D, wearing antiembolism stockings, is not specifically indicated for PVD and may not address the underlying circulation issues.

4. A client who has undergone abdominal surgery calls the nurse and reports that she just felt 'something give way' in the abdominal incision. The nurse checks the incision and notes the presence of wound dehiscence. The nurse immediately:

• A. Contacts the physician
• B. Documents the findings
• C. Places the client in a supine position with the legs flat
• D. Covers the abdominal wound with a sterile dressing moistened with sterile saline solution

Correct answer: D

Rationale: In the scenario described, the presence of wound dehiscence indicates a separation of the layers of the surgical incision. The immediate priority for the nurse is to cover the abdominal wound with a sterile dressing moistened with sterile saline solution. This helps to protect the wound from contamination and promotes a moist environment conducive to healing. Contacting the physician (Choice A) is important, but the initial action should be to address the wound. Documenting the findings (Choice B) is necessary but not the immediate priority. Placing the client in a supine position with the legs flat (Choice C) is not indicated in this situation as wound dehiscence requires wound care intervention.

5. The nurse is teaching a nursing student about the minimal effective concentration (MEC) of antibiotics. Which statement by the nursing student indicates understanding of this concept?

• A. A serum drug level greater than the MEC ensures that the drug is bacteriostatic.
• B. A serum drug level greater than the MEC broadens the spectrum of the drug.
• C. A serum drug level greater than the MEC helps eradicate bacterial infections.
• D. A serum drug level greater than the MEC increases the therapeutic index.

Correct answer: C

Rationale: The MEC is the minimum amount of drug needed to halt the growth of a microorganism. A level greater than the MEC helps eradicate infections. Drugs at or above the MEC are usually bactericidal, not bacteriostatic. Therefore, choice A is incorrect. Broadening the spectrum of a drug refers to its range of activity against different microorganisms, which is not directly related to MEC. Thus, choice B is incorrect. Increasing the therapeutic index involves maximizing the effectiveness of a drug while minimizing its toxicity, which is not specifically related to MEC. Therefore, choice D is also incorrect.

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