in evaluating the lab work of a client in a hepatic coma which of the following lab tests is most important
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Nursing Elites

NCLEX-PN

Nclex Exam Cram Practice Questions

1. When evaluating the lab work of a client in hepatic coma, which of the following lab tests is most important?

Correct answer: C

Rationale: When a client is in hepatic coma due to liver failure, the liver cannot metabolize amino acids completely, leading to elevated ammonia levels. Increased ammonia can cause brain-tissue irritation, worsening the coma. Therefore, monitoring serum ammonia levels is crucial in assessing the severity of hepatic coma. Choices A, B, and D are less relevant in the context of hepatic coma. Blood urea nitrogen primarily assesses kidney function, serum calcium levels are not directly related to hepatic coma, and serum creatinine is more indicative of kidney function rather than liver function in this scenario.

2. A client with an ileus is placed on intestinal tube suction. Which of the following electrolytes is lost with intestinal suction?

Correct answer: D

Rationale: When a client with an ileus is placed on intestinal tube suction, the primary electrolyte lost is sodium chloride. Duodenal intestinal fluid contains potassium (K+), sodium (Na+), and bicarbonate. Suctioning is done to remove excess fluids, leading to a decrease in the client's sodium chloride levels. Therefore, options A, B, and C are incorrect as calcium, magnesium, and potassium are not the primary electrolytes lost during intestinal suction in a client with an ileus.

3. Which of the following might be an appropriate nursing diagnosis for an epileptic client?

Correct answer: B

Rationale: The correct nursing diagnosis for an epileptic client would be 'Risk for Injury' as the client is prone to injuries during seizure activity, such as head trauma from falls. Epilepsy does not typically cause dysreflexia. While urinary retention may occur during or after a seizure, it is not a common nursing diagnosis related to epilepsy. 'Unbalanced Nutrition' is not a priority nursing diagnosis for an epileptic client compared to the immediate risk of injury during seizures.

4. A nurse is performing suctioning through an adult client's tracheostomy tube. The nurse notes that the client's oxygen saturation is 89% and terminates the procedure. Which action would the nurse take next?

Correct answer: D

Rationale: The nurse should monitor the client's heart rate and pulse oximetry during suctioning to assess the client's tolerance of the procedure. Oxygen desaturation to below 90% indicates hypoxemia. If hypoxia occurs during suctioning, the nurse must terminate the procedure and oxygenate the client with 100% oxygen to address the hypoxemia promptly and ensure the client's safety. Rechecking the pulse oximetry reading is important, but the priority is to address the hypoxemia by providing oxygen. Contacting the healthcare provider or respiratory therapist is not necessary at this time as the nurse can manage the hypoxemia with oxygenation. Oxygenating the client with 100% oxygen is the immediate action required in this situation.

5. What is a true statement about post-discharge follow-up?

Correct answer: A

Rationale: The correct statement is that the nurse should ensure the client is educated on their discharge instructions. This is crucial to promote continuity of care and prevent adverse events. The responsibility of educating the client falls on the nurse, not assuming stability without a follow-up visit. While the physician may prescribe medications, it is the nurse's responsibility to ensure the client has them before discharge. Instructing the client to bring up questions at a follow-up appointment is not ideal; all questions should be addressed before discharge to ensure the client's understanding and compliance.

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