Nursing Elites

1. A 40-year-old woman presents with fatigue, polyuria, and polydipsia. Laboratory tests reveal hyperglycemia and ketonuria. What is the most likely diagnosis?

• A. Type 1 diabetes mellitus
• B. Type 2 diabetes mellitus
• C. Diabetes insipidus
• D. Hyperthyroidism

Correct answer: A

Rationale: The combination of symptoms including fatigue, polyuria, polydipsia, along with laboratory findings of hyperglycemia and ketonuria strongly suggest type 1 diabetes mellitus. In type 1 diabetes mellitus, there is a deficiency of insulin leading to high blood sugar levels (hyperglycemia) and the breakdown of fats producing ketones, causing ketonuria. Type 2 diabetes mellitus typically presents differently and is more common in older individuals. Diabetes insipidus is characterized by excessive thirst and urination due to a deficiency of antidiuretic hormone, distinct from the provided clinical scenario. Hyperthyroidism may present with some overlapping symptoms like fatigue, but it does not account for the specific laboratory findings of hyperglycemia and ketonuria seen in this case.

2. A healthcare provider is preparing to administer a scheduled dose of intravenous (IV) metoprolol (Lopressor) to a client. The client's apical pulse is 58 beats/minute. What action should the healthcare provider take?

• A. Administer the medication as prescribed.
• B. Hold the medication and notify the healthcare provider.
• C. Give half the prescribed dose and recheck the pulse in 30 minutes.
• D. Administer the medication and then recheck the pulse in 30 minutes.

Correct answer: B

Rationale: In the scenario described, with the client's apical pulse being 58 beats/minute, holding the medication and notifying the healthcare provider is the correct action. A low pulse rate may indicate bradycardia and may necessitate dose adjustment or further evaluation by the healthcare provider to prevent potential complications.

3. A client with liver cirrhosis is prescribed lactulose. What is the purpose of this medication?

• A. To lower blood sugar levels
• B. To reduce ammonia levels
• C. To treat liver inflammation
• D. To improve bile flow

Correct answer: B

Rationale: Lactulose is prescribed to reduce ammonia levels in clients with liver cirrhosis. Elevated ammonia levels can lead to hepatic encephalopathy, a serious complication of liver cirrhosis. Lactulose works by acidifying the colon, which in turn traps ammonia in the colon and helps its elimination from the body through stool, thereby reducing the risk of hepatic encephalopathy. Choice A is incorrect because lactulose does not lower blood sugar levels. Choice C is incorrect as lactulose is not used to treat liver inflammation. Choice D is incorrect as lactulose does not improve bile flow.

4. A client with a history of atrial fibrillation is prescribed warfarin (Coumadin). Which laboratory test should the nurse monitor to determine the effectiveness of the medication?

• A. Platelet count.
• B. Prothrombin time (PT) and international normalized ratio (INR).
• C. Activated partial thromboplastin time (aPTT).
• D. Fibrinogen level.

Correct answer: B

Rationale: Prothrombin time (PT) and international normalized ratio (INR) are essential laboratory tests to monitor the effectiveness of warfarin (Coumadin) therapy. These tests help assess the clotting time and the desired anticoagulant effect of the medication. Monitoring PT and INR levels is crucial to ensure that the client is within the therapeutic range, reducing the risk of bleeding or clotting complications associated with warfarin therapy. Platelet count (Choice A) measures the number of platelets in the blood and is not specific for monitoring warfarin therapy. Activated partial thromboplastin time (aPTT) (Choice C) is more commonly used to monitor heparin therapy, not warfarin. Fibrinogen level (Choice D) assesses the amount of fibrinogen in the blood and is not a specific test for monitoring warfarin therapy.

5. What health promotion teaching should prioritize to prevent drug-induced hepatitis?

• A. Finish all prescribed courses of antibiotics, regardless of symptom resolution
• B. Adhere to dosing recommendations of over-the-counter analgesics
• C. Ensure that expired medications are disposed of safely
• D. Ensure that pharmacists regularly review drug regimens for potential interactions

Correct answer: B

Rationale: Adhering to dosing recommendations of over-the-counter analgesics is crucial in preventing drug-induced hepatitis. Overdosing on analgesics can lead to liver damage, making it essential to follow the recommended dosages to reduce the risk of hepatotoxicity.

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