the nurse is assessing a client with chronic obstructive pulmonary disease copd who is receiving supplemental oxygen which laboratory value is most co
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Nursing Elites

HESI RN

RN HESI Exit Exam

1. The nurse is assessing a client with chronic obstructive pulmonary disease (COPD) who is receiving supplemental oxygen. Which laboratory value is most concerning?

Correct answer: C

Rationale: A serum bicarbonate level of 18 mEq/L is most concerning in a client with COPD as it indicates metabolic acidosis, requiring immediate intervention. In COPD, patients often retain carbon dioxide, leading to respiratory acidosis. A low serum bicarbonate level suggests that the body is compensating for this respiratory acidosis by increasing bicarbonate levels to maintain balance. Therefore, a low serum bicarbonate level in this scenario is alarming. Choices A, B, and D are within normal ranges and not directly related to the acid-base imbalance seen in COPD.

2. A school nurse is called to the soccer field because a child has a nosebleed (epistaxis). In what position should the nurse place the child?

Correct answer: A

Rationale: The child with a nosebleed (epistaxis) should be placed in a sitting position, leaning forward, to prevent blood from flowing down the throat. This position helps to control the bleeding and prevents the child from swallowing blood, which can cause nausea or vomiting. Choice B is incorrect because elevating the legs is not recommended for nosebleeds. Choice C is incorrect because lying on the side with the head slightly raised is not the optimal position for managing a nosebleed. Choice D is incorrect because tilting the head back can lead to blood flowing down the throat and potentially cause aspiration.

3. A client with a history of atrial fibrillation is prescribed warfarin (Coumadin). Which laboratory value is most concerning?

Correct answer: A

Rationale: An INR of 3.0 is most concerning in a client prescribed warfarin (Coumadin) as it indicates a high risk of bleeding, requiring immediate intervention. A high INR value suggests that the blood is taking longer to clot, putting the patient at an increased risk of hemorrhage. Prothrombin time (PT) measures how long it takes for blood to clot, but the specific value of 15 seconds is within the normal range. Hemoglobin of 10 g/dl indicates mild anemia and does not directly relate to the risk of bleeding associated with warfarin therapy. White blood cell count assesses immune function and infection risk, but it is not directly related to the anticoagulant effects of warfarin.

4. To reduce the risk of being named in a malpractice lawsuit, which action is most important for the nurse to take?

Correct answer: A

Rationale: Adhering consistently to standards of care is crucial for nurses to reduce the risk of being named in a malpractice lawsuit. Following established protocols and guidelines ensures that the care provided is safe and effective. Thoroughly documenting all client interactions is also essential to support the care provided and to have a record of the interventions. Building a good rapport with clients is important for communication and trust but does not directly reduce the risk of malpractice. Working closely with the healthcare team is valuable for collaboration but might not directly impact the risk of malpractice unless it relates to following standards of care.

5. The nurse plans to administer a scheduled dose of metoprolol (Toprol SR) at 0900 to a client with hypertension. At 0800, the nurse notes that the client's telemetry pattern shows a second-degree heart block with a ventricular rate of 50. What action should the nurse take?

Correct answer: D

Rationale: In clients with second-degree heart block, beta blockers such as metoprolol (Toprol SR) are contraindicated as they can further decrease the heart rate. Administering metoprolol in this situation can lead to serious complications. The correct action for the nurse to take is to hold the scheduled dose of Toprol and promptly notify the healthcare provider of the telemetry pattern. This ensures patient safety and appropriate management of the cardiac condition. Choices A, B, and C are incorrect because administering Toprol despite the heart block can worsen the condition and pose a risk to the client's health.

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