RN HESI Exit Exam Capstone

Correct Answer: B

Rationale: The activated partial thromboplastin time (aPTT) is the most accurate measure of heparin's therapeutic effect. Heparin increases the time it takes for blood to clot, and the aPTT helps determine whether the dose is within the desired range for anticoagulation therapy. Monitoring the INR, hemoglobin, or platelet count is not specific to assessing therapeutic heparin levels and may not reflect the anticoagulant effect of heparin.

Correct Answer: B

Rationale: The correct answer is to document the assessment data. In a partial rebreather mask, it is normal for the oxygen reservoir bag not to deflate completely during inspiration. Additionally, a respiratory rate of 14 breaths/minute falls within the normal range. Therefore, these findings indicate that the mask is functioning as intended. Removing the mask immediately is unnecessary as there are no signs of distress. Increasing the oxygen flow or adjusting the respiratory rate setting is not warranted based on the assessment findings, as they are within normal parameters.

Correct Answer: D

Rationale: The correct intervention for a 5-week-old infant with hypertrophic pyloric stenosis presenting with projectile vomiting is to maintain intravenous fluid therapy. This is essential to maintain hydration before surgery. Instructing the mother to give sugar water only (Choice A) is inadequate and does not address the need for proper hydration. Offering oral rehydration every 2 hours (Choice B) may not be effective in cases of severe vomiting and could lead to further fluid loss. Providing Pedialyte feedings via nasogastric tube (Choice C) is an option, but in severe cases, intravenous fluid therapy is more effective in ensuring hydration and electrolyte balance.

Correct Answer: D

Rationale: Performing nostril and mouth care is a non-invasive task that can be safely delegated to an unlicensed assistive personnel (UAP). Observing the type and amount of nasogastric tube drainage requires assessment skills and understanding of potential complications, making it more appropriate for a licensed healthcare professional. Monitoring the client for nausea or other complications involves interpreting client responses and identifying adverse reactions, which also requires a licensed healthcare professional. Irrigating the nasogastric tube with the ordered solution involves a procedure that can impact the client's condition and should be performed by a licensed healthcare professional to prevent complications.

Correct Answer: B

Rationale: The correct answer is B: Prothrombin time (PT) and International Normalized Ratio (INR). These lab values are crucial for monitoring the effectiveness of warfarin, an anticoagulant medication. PT measures the time it takes for blood to clot, while INR standardizes these results. Ensuring the client's PT/INR levels are within the therapeutic range is essential to prevent clotting or excessive bleeding. Choices A, C, and D are incorrect as they are not directly related to monitoring warfarin therapy in a client with atrial fibrillation.