ATI LPN
Medical Surgical ATI Proctored Exam
1. A 30-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 clinical presentation of a 30-year-old woman with fatigue, polyuria, polydipsia, hyperglycemia, and ketonuria is highly suggestive of type 1 diabetes mellitus. Type 1 diabetes mellitus is characterized by autoimmune destruction of pancreatic beta cells, leading to insulin deficiency and subsequent hyperglycemia. The presence of ketonuria indicates the breakdown of fats for energy due to the lack of insulin. In contrast, type 2 diabetes mellitus typically presents with gradual onset and is often associated with insulin resistance rather than absolute insulin deficiency. Diabetes insipidus is characterized by polyuria and polydipsia but is not associated with hyperglycemia or ketonuria. Hyperthyroidism may present with symptoms like fatigue but does not typically cause hyperglycemia or ketonuria.
2. A client with a history of hypertension is prescribed lisinopril (Prinivil). Which side effect should the nurse monitor for?
- A. Dry cough.
- B. Weight gain.
- C. Tachycardia.
- D. Hyperglycemia.
Correct answer: A
Rationale: The correct answer is A: Dry cough. Lisinopril is an ACE inhibitor, and a common side effect of ACE inhibitors is a dry cough. This occurs due to the accumulation of bradykinin in the lungs, leading to irritation and subsequent cough. It is important for the nurse to monitor the client for this side effect as it can affect adherence to the medication regimen. Weight gain, tachycardia, and hyperglycemia are not typically associated with lisinopril. Therefore, choices B, C, and D are incorrect.
3. A patient with bipolar disorder is prescribed valproic acid. What is an important side effect for the nurse to monitor?
- A. Hypertension
- B. Liver toxicity
- C. Hyperglycemia
- D. Bradycardia
Correct answer: B
Rationale: The correct answer is B: Liver toxicity. Valproic acid is known to potentially cause liver toxicity. Monitoring liver function tests regularly in patients taking valproic acid is crucial to detect any signs of liver damage early and prevent serious complications.
4. 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.
5. What is the primary cause of jaundice in a client with liver cirrhosis?
- A. Decreased bile production
- B. Increased bilirubin levels
- C. Hepatic inflammation
- D. Portal hypertension
Correct answer: B
Rationale: Jaundice in a client with liver cirrhosis is primarily caused by increased bilirubin levels. In liver cirrhosis, impaired liver function leads to the accumulation of bilirubin in the blood, resulting in jaundice. Bilirubin is a yellow pigment produced from the breakdown of red blood cells, and its elevation is a common manifestation of liver dysfunction. Choices A, C, and D are incorrect. While decreased bile production can contribute to jaundice, in liver cirrhosis, the key factor is the buildup of bilirubin due to liver dysfunction, not a decrease in bile production. Hepatic inflammation and portal hypertension are associated with liver cirrhosis but are not the primary causes of jaundice in this context.
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