Nursing Elites

1. Laboratory tests reveal the following electrolyte values for Mr. Smith: Na 135 mEq/L, Ca 8.5 mg/dL, Cl 102 mEq/L, and K 2.0 mEq/L. Which of the following values should the nurse report to the physician because of its potential risk to the client?

• A. Ca
• B. K
• C. Na
• D. Cl

Correct answer: B

Rationale: The correct answer is 'K.' Normal serum potassium levels range between 3.5 and 5.5 mEq/L. Mr. Smith's potassium level of 2.0 mEq/L is significantly below the normal range, indicating hypokalemia, which can lead to serious risks such as cardiac arrhythmias. The levels of sodium (Na), calcium (Ca), and chloride (Cl) are within normal ranges, so they do not pose an immediate risk to the client's health. Therefore, the nurse should report the low potassium level to the physician for prompt intervention.

2. After applying oxygen using bi-nasal prongs to a client who is having chest pain, the nurse should implement which intervention?

• A. Have the client take slow deep breaths in through their mouth and out through their nose.
• B. Post signs indicating that oxygen is in use on the client's door and in their room
• C. Apply Vaseline petroleum to both nares and 2 by 2 gauze around the oxygen tubing at the client's ears
• D. Encourage the client to hyperextend the neck, take a few deep breaths and cough.

Correct answer: A

Rationale: After applying oxygen using bi-nasal prongs to a client with chest pain, it is essential for the nurse to post signs indicating that oxygen is in use on the client's door and in their room. This safety precaution alerts healthcare providers and visitors that the client is receiving oxygen therapy, reducing the risk of accidents or misunderstandings. Choice A is incorrect because instructing the client to take slow deep breaths is not the appropriate intervention after applying oxygen. Choice C suggests applying Vaseline and gauze, which is unnecessary and not a standard practice. Choice D advising the client to hyperextend the neck, take deep breaths, and cough is not indicated after applying oxygen therapy and could potentially be harmful.

3. A patient has recently been prescribed Lidocaine Hydrochloride. Which of the following symptoms may occur with an overdose?

• A. Memory loss and lack of appetite
• B. Confusion and fatigue
• C. Heightened reflexes
• D. Tinnitus and spasticity

Correct answer: B

Rationale: The correct answer is 'Confusion and fatigue.' Lidocaine Hydrochloride, when taken in excess, can lead to symptoms such as confusion and fatigue. It affects the central nervous system, leading to these cognitive and physical impairments. Choice A ('Memory loss and lack of appetite') is incorrect because memory loss is not a common symptom of Lidocaine Hydrochloride overdose, and lack of appetite is not a typical effect. Choice C ('Heightened reflexes') is incorrect as Lidocaine Hydrochloride overdose usually depresses reflexes rather than heightening them. Choice D ('Tinnitus and spasticity') is incorrect as tinnitus and spasticity are not commonly associated with Lidocaine Hydrochloride overdose.

4. A month after receiving a blood transfusion, an immunocompromised client develops fever, liver abnormalities, a rash, and diarrhea. The nurse should suspect this client has:

• A. no relation to the blood transfusion.
• B. graft-versus-host disease (GVHD).
• C. myelosuppression.
• D. an allergic reaction to a recent medication.

Correct answer: B

Rationale: In this scenario, the symptoms of fever, liver abnormalities, rash, and diarrhea in an immunocompromised client a month after a blood transfusion are indicative of graft-versus-host disease (GVHD). GVHD occurs when white blood cells in donor blood attack the tissues of an immunocompromised recipient. This process can manifest within a month of the transfusion. While choices 1 and 4 are plausible, it is crucial for the nurse to consider the possibility of GVHD in immunocompromised transfusion recipients due to the significant risk. Myelosuppression, choice C, typically presents with decreased blood cell counts and is not consistent with the symptoms described. An allergic reaction to medication, choice D, would present with different manifestations such as itching, hives, or anaphylaxis, which are not described in the scenario.

5. A patient has fallen off a bicycle and fractured the head of the proximal fibula. A cast was placed on the patient's lower extremity. Which of the following is the most probable result of the fall?

• A. Peroneal nerve injury
• B. Tibial nerve injury
• C. Sciatic nerve injury
• D. Femoral nerve injury

Correct answer: A

Rationale: The correct answer is peroneal nerve injury. The head of the proximal fibula is in close proximity to the peroneal nerve, making it susceptible to injury when there is a fracture. The peroneal nerve runs along the fibula and can be affected by trauma to this area. Choice B, tibial nerve injury, is incorrect as the fracture site is closer to the peroneal nerve, not the tibial nerve. Choice C, sciatic nerve injury, is incorrect as the injury is more localized to the fibular head area where the peroneal nerve is affected. Choice D, femoral nerve injury, is incorrect as the femoral nerve is not immediately adjacent to the proximal fibula and is not typically affected by this type of injury.

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