ATI LPN
ATI PN Adult Medical Surgical 2019
1. A client with a history of chronic alcohol use is admitted with confusion and an unsteady gait. Which deficiency should the nurse suspect?
- A. Thiamine (Vitamin B1)
- B. Cyanocobalamin (Vitamin B12)
- C. Folic acid
- D. Vitamin D
Correct answer: A
Rationale: The correct answer is Thiamine (Vitamin B1). Chronic alcohol use can lead to thiamine deficiency, which can result in neurological symptoms such as confusion and an unsteady gait. Thiamine is essential for proper brain function and nerve conduction, and its deficiency is common in individuals with alcohol use disorder. Cyanocobalamin (Vitamin B12) deficiency can also present with neurological symptoms, but in this case, the patient's history of chronic alcohol use points more towards thiamine deficiency. Folic acid deficiency typically presents with symptoms like fatigue and megaloblastic anemia. Vitamin D deficiency is associated with bone health issues rather than neurological symptoms.
2. A patient with atrial fibrillation is prescribed warfarin. Which laboratory test should the nurse monitor to assess the effectiveness of the medication?
- A. Complete blood count (CBC)
- B. Prothrombin time (PT)/INR
- C. Partial thromboplastin time (PTT)
- D. Serum potassium level
Correct answer: B
Rationale: The correct answer is B: Prothrombin time (PT)/INR. Warfarin affects the clotting ability of the blood by inhibiting vitamin K-dependent clotting factors. Monitoring the prothrombin time (PT) and international normalized ratio (INR) is crucial to assess the effectiveness and safety of warfarin therapy. These tests help determine if the patient is within the desired anticoagulation range to prevent either clotting issues or excessive bleeding.
3. A 56-year-old woman presents to discuss the results of her recent upper endoscopy. She was having some mild abdominal pain, so she underwent the procedure, which revealed an ulcer in the antrum of the stomach. Biopsy of the lesion revealed the presence of H. pylori. All of the following statements regarding her condition are correct except
- A. H. pylori has been associated with gastric MALT (mucosa-associated lymphoid tissue)
- B. Reinfection is rare despite adequate treatment
- C. Triple drug therapy has been shown to be more effective than dual drug therapy
- D. If her H. pylori IgG antibody titer was elevated prior to therapy, it can be used to monitor treatment efficacy
Correct answer: B
Rationale: H. pylori is associated with a majority of peptic ulcer disease cases and has links to gastric MALT and adenocarcinoma. Triple drug therapy is more effective than dual therapy. Reinfection after adequate treatment is rare. While urea breath testing is a better diagnostic tool, quantitative serology can monitor treatment efficacy. A 30% decrease in IgG titer should occur post-therapy, indicating effectiveness.
4. A 70-year-old man presents with sudden onset of severe abdominal pain. He has a history of atrial fibrillation. Physical examination reveals a soft abdomen with minimal tenderness. What is the most likely diagnosis?
- A. Acute pancreatitis
- B. Mesenteric ischemia
- C. Peptic ulcer disease
- D. Diverticulitis
Correct answer: B
Rationale: The sudden onset of severe abdominal pain in a patient with atrial fibrillation, along with a soft abdomen and minimal tenderness on examination, suggest mesenteric ischemia due to embolic occlusion of the mesenteric arteries. This condition is characterized by a sudden and severe decrease in blood flow to the intestines, leading to abdominal pain and tenderness. Acute pancreatitis typically presents with epigastric pain that may radiate to the back, accompanied by elevated serum amylase and lipase levels. Peptic ulcer disease and diverticulitis usually do not manifest with the sudden onset of severe abdominal pain as described in the case.
5. A client is admitted with a diagnosis of acute pancreatitis. Which laboratory value should the nurse monitor closely?
- A. Serum amylase.
- B. Serum sodium.
- C. Serum calcium.
- D. Serum potassium.
Correct answer: A
Rationale: In acute pancreatitis, serum amylase is a crucial laboratory value to monitor closely. Elevated levels of serum amylase are a key indicator of pancreatic inflammation and can help confirm the diagnosis of acute pancreatitis. Therefore, monitoring serum amylase levels is essential for assessing the progression and severity of the condition in a client with acute pancreatitis.
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