ATI LPN
ATI Learning System PN Medical Surgical Final Quizlet
1. A patient with hyperlipidemia is prescribed atorvastatin. What lab test should be monitored periodically to assess for adverse effects?
- A. Liver function tests
- B. Complete blood count
- C. Blood glucose levels
- D. Serum potassium
Correct answer: A
Rationale: The correct answer is A: Liver function tests. Patients on atorvastatin should have their liver function tests monitored periodically to detect any potential liver damage. Atorvastatin, a statin medication used to lower cholesterol levels, can rarely cause liver enzyme abnormalities, so regular monitoring is essential to identify any adverse effects early on. Monitoring the complete blood count (choice B), blood glucose levels (choice C), or serum potassium (choice D) is not typically required specifically for atorvastatin therapy. While these tests may be important for other conditions or medications, liver function tests are the most relevant for monitoring the adverse effects of atorvastatin.
2. A 35-year-old male patient presents with right upper quadrant pain, fever for the past 48 hours, preceded by new onset jaundice over the past few weeks. He states that he has had diarrhea on and off for several years but never had this investigated. A liver ultrasound is negative for gallstones or evidence of cholecystitis. His lab tests reveal total bilirubin 6.2, alkaline phosphatase 450, AST 150, ALT 120, albumin 2.6. The next diagnostic test of choice would be
- A. Liver biopsy
- B. Magnetic resonance cholangiopancreatography
- C. Hepatitis B surface antigen and hepatitis C RNA assay
- D. Colonoscopy with biopsies
Correct answer: B
Rationale: The patient's presentation with right upper quadrant pain, fever, and jaundice, along with abnormal liver function tests, suggests a biliary tract problem. Given the suspicion of obstructed bile flow and the negative liver ultrasound for gallstones, magnetic resonance cholangiopancreatography (MRCP) is the next appropriate step to evaluate the biliary system and pancreatic ducts. MRCP is non-invasive and can provide detailed images for diagnosis. Liver biopsy is not the preferred initial diagnostic test in this context. Testing for hepatitis B and C would not address the current clinical scenario, and colonoscopy is not indicated for the presenting symptoms.
3. A healthcare professional is preparing to administer digoxin 0.25 mg PO daily. The amount available is digoxin 0.125 mg tablets. How many tablets should the healthcare professional administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
- A. 1
- B. 2
- C. 3
- D. 4
Correct answer: B
Rationale: To achieve the prescribed dose of 0.25 mg, the healthcare professional should administer 2 tablets of 0.125 mg each, totaling 0.25 mg.
4. A 70-year-old woman presents with fatigue, anorexia, and weight loss. She has noticed darkening of her skin, particularly in sun-exposed areas. Laboratory tests reveal hyponatremia, hyperkalemia, and low cortisol levels. What is the most likely diagnosis?
- A. Cushing's syndrome
- B. Addison's disease
- C. Hypothyroidism
- D. Pheochromocytoma
Correct answer: B
Rationale: The combination of symptoms such as fatigue, anorexia, weight loss, hyperpigmentation of the skin, along with hyponatremia, hyperkalemia, and low cortisol levels, points towards Addison's disease. This condition is characterized by adrenal insufficiency, leading to a deficiency in cortisol and aldosterone production.
5. A client with heart failure is prescribed furosemide (Lasix). Which instruction should the nurse include in the client's teaching plan?
- A. Take the medication before bedtime.
- B. Report any weight gain of more than 2 pounds in a day.
- C. Increase your intake of high-sodium foods.
- D. Limit your fluid intake to less than 1 liter per day.
Correct answer: B
Rationale: In heart failure, fluid retention is a concern. Furosemide helps manage this by promoting diuresis. Instructing the client to report weight gain exceeding 2 pounds in a day is crucial as it can indicate fluid accumulation, prompting timely intervention to prevent worsening heart failure symptoms and complications.
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