ATI LPN
ATI Adult Medical Surgical
1. The nurse is administering sevelamer (RenaGel) during lunch to a client with end-stage renal disease (ESRD). The client asks the nurse to bring the medication later. The nurse should describe which action of RenaGel as an explanation for taking it with meals?
- A. Prevents indigestion associated with the ingestion of spicy foods.
- B. Binds with phosphorus in foods and prevents absorption.
- C. Promotes stomach emptying and prevents gastric reflux.
- D. Buffers hydrochloric acid and prevents gastric erosion.
Correct answer: B
Rationale: Sevelamer (RenaGel) binds with phosphorus in foods and prevents its absorption. By taking RenaGel with meals, the binding of phosphorus helps to reduce the phosphorus load absorbed from food, thus aiding in the management of hyperphosphatemia in clients with ESRD.
2. Your patient has an order to receive Levothyroxine Sodium 75 mcg daily IV. You have a vial containing 100 mcg available from the pharmacy. According to the package insert, 5 mL of 0.9% sodium chloride is needed to reconstitute. You add the appropriate amount of sodium chloride to the vial. How many mcg of medication are in 1 mL of the vial?
- A. 20 mcg
- B. 15 mcg
- C. 25 mcg
- D. 30 mcg
Correct answer: A
Rationale: After reconstitution, the concentration of Levothyroxine Sodium in the vial is 100 mcg in 5 mL, which equals 20 mcg/mL. Therefore, in 1 mL of the vial, there are 20 mcg of medication.
3. A 45-year-old woman with occasional indigestion has had episodes of chest pain and dysphagia to both solids and liquids. An upper GI series and EGD fail to disclose any structural abnormalities. What is the most appropriate initial therapy?
- A. Sucralfate
- B. Proton pump inhibitor
- C. Prokinetic agent
- D. Benzodiazepine
Correct answer: B
Rationale: The patient's symptoms of chest pain and dysphagia suggest esophageal spasm, often related to underlying gastroesophageal reflux. The initial therapy should focus on acid suppression. Proton pump inhibitors are the preferred choice to reduce acid production and alleviate symptoms. If proton pump inhibitors are ineffective, other options like smooth muscle relaxants or antidepressants may be considered. A Heller myotomy is not indicated in this case as the patient does not have achalasia.
4. A client with heart failure is prescribed digoxin (Lanoxin). Which instruction should the nurse include in the client's teaching plan?
- A. Take your pulse before each dose and hold the medication if your pulse is below 60 beats per minute.
- B. Increase your intake of foods high in potassium.
- C. Take the medication with a high-fiber meal to enhance absorption.
- D. Skip a dose if you feel dizzy or lightheaded.
Correct answer: A
Rationale: The correct instruction for a client prescribed digoxin is to take their pulse before each dose and hold the medication if the pulse is below 60 beats per minute. This is crucial to prevent digoxin toxicity, as digoxin can cause adverse effects when the pulse rate is too low. Monitoring the pulse regularly ensures safety and appropriate management of the medication.
5. A 28-year-old woman presents with abdominal pain, diarrhea, and weight loss. She has a history of recurrent mouth ulcers and a perianal fistula. What is the most likely diagnosis?
- A. Ulcerative colitis
- B. Irritable bowel syndrome
- C. Crohn's disease
- D. Diverticulitis
Correct answer: C
Rationale: The combination of symptoms including recurrent mouth ulcers, perianal fistula, abdominal pain, diarrhea, and weight loss is characteristic of Crohn's disease. These extra-intestinal manifestations, along with the gastrointestinal symptoms, point towards Crohn's disease rather than ulcerative colitis, irritable bowel syndrome, or diverticulitis.
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