ATI LPN
Adult Medical Surgical ATI
1. A 55-year-old man presents with jaundice, pruritus, and dark urine. Laboratory tests reveal elevated bilirubin and alkaline phosphatase. Imaging shows dilated intrahepatic bile ducts and a normal common bile duct. What is the most likely diagnosis?
- A. Primary biliary cirrhosis
- B. Primary sclerosing cholangitis
- C. Gallstones
- D. Pancreatic cancer
Correct answer: A
Rationale: The clinical presentation of jaundice, pruritus, dark urine, elevated bilirubin and alkaline phosphatase, along with imaging findings of dilated intrahepatic bile ducts and a normal common bile duct, are characteristic of primary biliary cirrhosis. Primary biliary cirrhosis is an autoimmune liver disease that leads to destruction of intrahepatic bile ducts, causing cholestasis and liver damage. This condition typically presents in middle-aged women but can also affect men, as seen in this case.
2. A client with type 2 diabetes mellitus presents to the clinic with a foot ulcer. Which instruction should the nurse provide to the client to promote healing of the ulcer?
- A. Apply a heating pad to the ulcer twice daily.
- B. Wear tight-fitting shoes to protect the ulcer.
- C. Keep the ulcer clean and dry.
- D. Limit walking to reduce pressure on the ulcer.
Correct answer: C
Rationale: The correct answer is C: "Keep the ulcer clean and dry." For clients with diabetes mellitus, it is crucial to maintain foot ulcers clean and dry to prevent infection and promote healing. Moist environments can lead to bacterial growth and delay healing. Applying a heating pad (Choice A) can increase the risk of burns and further damage the ulcer. Wearing tight-fitting shoes (Choice B) can cause friction and pressure on the ulcer, hindering the healing process. Limiting walking (Choice D) excessively can affect circulation and delay healing. Therefore, the nurse should instruct the client to keep the ulcer clean and dry for optimal wound care management.
3. 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.
4. The client with chronic kidney disease (CKD) is receiving hemodialysis. Which finding should be reported to the healthcare provider immediately?
- A. Blood pressure of 150/90 mm Hg.
- B. Weight gain of 2 pounds since the last dialysis session.
- C. Blood glucose level of 120 mg/dl.
- D. Potassium level of 6.5 mEq/L.
Correct answer: D
Rationale: A potassium level of 6.5 mEq/L is dangerously high, a condition known as hyperkalemia, which can lead to severe cardiac complications like arrhythmias and cardiac arrest. Immediate medical intervention is necessary to lower potassium levels to prevent life-threatening outcomes in clients undergoing hemodialysis.
5. Prior to elective surgery, a patient taking warfarin should receive which instruction regarding warfarin therapy?
- A. Continue taking warfarin until the day of surgery.
- B. Stop taking warfarin three days before surgery.
- C. Switch to aspirin before surgery.
- D. Stop taking warfarin one week before surgery.
Correct answer: D
Rationale: Prior to elective surgery, a patient taking warfarin should be instructed to stop taking warfarin around one week before the procedure. This timeframe allows for the effects of warfarin to diminish, lowering the risk of excessive bleeding during surgery. Continuing warfarin until the day of surgery (Choice A) increases the risk of bleeding complications. Stopping warfarin three days before surgery (Choice B) may not provide enough time for the anticoagulant effects to subside. Switching to aspirin before surgery (Choice C) is not recommended as a substitute for warfarin in this context.
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