a client with myasthenia gravis mg is receiving immunosuppressive therapy recent lab tests show decreased serum magnesium what nursing action is most
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Nursing Elites

HESI RN

HESI 799 RN Exit Exam Capstone

1. A client with myasthenia gravis (MG) is receiving immunosuppressive therapy. Recent lab tests show decreased serum magnesium. What nursing action is most important?

Correct answer: A

Rationale: Magnesium plays a crucial role in maintaining normal cardiac rhythms, particularly in patients with cardiac conditions. Abnormal levels can lead to arrhythmias, which is why continuous monitoring of the heart's electrical activity is important. Magnesium's effect on neuromuscular and cardiac function makes it essential to monitor its levels, and any discrepancies can impact treatment decisions. Checking for visual difficulties (choice B) may be important in MG but is not the priority in the context of decreased serum magnesium. Assessing for hip and hand joint pain (choice C) is not directly related to the issue of decreased serum magnesium. Noting the most recent hemoglobin level (choice D) is not the priority in this situation compared to monitoring the cardiac rhythm due to low magnesium levels.

2. A client is scheduled for surgery in the morning and is NPO. Which statement indicates that the client understands the reason for being NPO?

Correct answer: C

Rationale: The correct answer is C: 'NPO reduces the risk of aspiration during surgery.' When a client is NPO (nothing by mouth) before surgery, it is to prevent aspiration, which can lead to serious complications such as pneumonia. Choice A is incorrect because being NPO is more about preventing aspiration than nausea. Choice B is a general statement without specifying the reason for being NPO. Choice D is partially correct but does not emphasize the crucial aspect of preventing aspiration, which is the primary reason for fasting before surgery.

3. What instruction should the nurse include for a client prescribed nitroglycerin for a myocardial infarction?

Correct answer: D

Rationale: The correct answer is D: 'Limit nitroglycerin use to no more than three doses in 15 minutes.' This instruction is crucial to prevent excessive use, which can lead to severe hypotension and other complications. Choice A is incorrect because nitroglycerin should also be used preventatively, not only during severe chest pain. Choice B is irrelevant and not a necessary instruction for nitroglycerin use. Choice C is incorrect as nitroglycerin is typically taken to prevent chest pain rather than waiting for an activity that may trigger it.

4. A client with diabetes insipidus is admitted due to a pituitary tumor. What complication should the nurse monitor closely?

Correct answer: D

Rationale: The correct answer is to monitor for hypokalemia. In diabetes insipidus, excessive urination can lead to electrolyte imbalances, particularly low potassium levels (hypokalemia). The loss of potassium through increased urination can result in muscle weakness, cardiac dysrhythmias, and other serious complications. Elevated blood pressure (Choice A) is not a typical complication of diabetes insipidus due to pituitary tumors. Ketonuria (Choice B) is more commonly associated with diabetes mellitus due to inadequate insulin levels. Peripheral edema (Choice C) is not a direct complication of diabetes insipidus.

5. A client receiving IV heparin reports tarry stools and abdominal pain. What interventions should the nurse implement?

Correct answer: D

Rationale: The correct intervention for the client receiving IV heparin who reports tarry stools and abdominal pain is to monitor the stool for the presence of blood. This is crucial to assess for gastrointestinal bleeding, a potential complication of heparin therapy. Assessing the characteristics of the client's pain may be helpful but is not the priority when signs of GI bleeding are present. Administering warfarin is not appropriate without a thorough assessment and confirmation of the cause of symptoms. While obtaining recent partial thromboplastin time results is important in monitoring heparin therapy, in this scenario, the immediate concern is to assess for possible GI bleeding.

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