HESI LPN
Medical Surgical Assignment Exam HESI Quizlet
1. Which laboratory results should the nurse anticipate to be abnormal in a child with hemophilia?
- A. Prothrombin time
- B. Bleeding time
- C. Platelet count
- D. Partial thromboplastin time
Correct answer: D
Rationale: In a child with hemophilia, the nurse should anticipate an abnormality in the partial thromboplastin time (PTT) due to the deficiency in clotting factors. Prothrombin time, bleeding time, and platelet count are typically normal in hemophilia. Prothrombin time measures the extrinsic pathway of coagulation and is not affected in hemophilia. Bleeding time assesses platelet function, which is normal in hemophilia as the issue lies with clotting proteins, not platelets. Platelet count is also expected to be normal unless there is another underlying condition affecting platelet production or function.
2. The nurse is caring for a client with acute pancreatitis. Which laboratory result is most indicative of this condition?
- A. Elevated serum amylase
- B. Decreased serum bilirubin
- C. Increased blood urea nitrogen (BUN)
- D. Decreased alkaline phosphatase
Correct answer: A
Rationale: Elevated serum amylase is the most indicative laboratory result of acute pancreatitis. In this condition, the pancreas becomes inflamed, leading to the leakage of amylase and lipase into the bloodstream. Elevated serum amylase levels are a classic finding in acute pancreatitis. Choices B, C, and D are not typically associated with acute pancreatitis. Decreased serum bilirubin, increased blood urea nitrogen (BUN), and decreased alkaline phosphatase levels are not specific markers for acute pancreatitis.
3. A client is currently receiving an infusion labeled as 5% dextrose injection 500 ml with heparin sodium 25,000 units at 14 mL/hour per pump. A prescription is received to change the rate of the infusion to heparin 1,000 units/hour. How many ml/hour should the nurse program the infusion pump?
- A. 16 ml/hour.
- B. 18 ml/hour.
- C. 20 ml/hour.
- D. 22 ml/hour.
Correct answer: C
Rationale: To deliver 1,000 units/hour from a solution with 25,000 units in 500 ml, the rate should be set to 20 ml/hour. This is calculated by determining that the solution has 50 units/ml (25,000 units / 500 ml = 50 units/ml) and then dividing the required 1,000 units/hour by 50 units/ml, resulting in 20 ml/hour. Therefore, the nurse should program the infusion pump to deliver heparin at 20 ml/hour. Choices A, B, and D are incorrect as they do not align with the calculated rate of 20 ml/hour.
4. A client with Addison's disease started taking hydrocortisone in a divided daily dose last week. It is most important for the nurse to monitor which serum laboratory value?
- A. Osmolarity
- B. Glucose
- C. Albumin
- D. Platelets
Correct answer: B
Rationale: The correct answer is B: Glucose. Hydrocortisone can lead to increased blood glucose levels, so monitoring glucose is crucial to assess for hyperglycemia, a common side effect of corticosteroid therapy. Monitoring osmolarity (choice A) is not typically indicated in this scenario. Albumin (choice C) and platelets (choice D) are not directly affected by hydrocortisone therapy and are not the primary focus of monitoring in this case.
5. What pathophysiologic process is producing the symptoms of gout in a client with sudden onset of big toe joint pain and swelling?
- A. Deposition of crystals in the synovial space of the joints produces inflammation and irritation.
- B. Degeneration of joint cartilage causing inflammation.
- C. Infection of the joint space leading to inflammation.
- D. Increased synovial fluid causing joint swelling and pain.
Correct answer: A
Rationale: The correct answer is A. Gout is characterized by the deposition of uric acid crystals in the synovial fluid of joints, which triggers inflammation and pain. This process is known as crystal-induced arthritis. Choice B is incorrect as gout does not involve degeneration of joint cartilage. Choice C is incorrect as gout is not caused by an infection of the joint space. Choice D is incorrect as gout does not result from increased synovial fluid but rather from the deposition of uric acid crystals.
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