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ATI Learning System PN Medical Surgical Final Quizlet
1. What is the primary action of a short-acting beta2-agonist (SABA) prescribed to a patient with an acute asthma exacerbation?
- A. Reduce inflammation
- B. Relieve bronchospasm
- C. Thin respiratory secretions
- D. Suppress cough
Correct answer: B
Rationale: The correct answer is B: Relieve bronchospasm. The primary action of short-acting beta2-agonists (SABAs) is to relieve bronchospasm. These medications are bronchodilators that work by opening the airways, making breathing easier for patients experiencing asthma exacerbations. By relieving bronchospasm, SABAs help improve airflow and alleviate symptoms of asthma such as wheezing and shortness of breath. Choices A, C, and D are incorrect because SABAs do not primarily reduce inflammation, thin respiratory secretions, or suppress cough. While these actions may be part of asthma management, the immediate goal of using a SABA during an acute exacerbation is to quickly relieve bronchospasm and improve airflow.
2. A client from a nursing home is admitted with urinary sepsis and has a single-lumen, peripherally-inserted central catheter (PICC). Four medications are prescribed for 9:00 a.m. and the nurse is running behind schedule. Which medication should the nurse administer first?
- A. Piperacillin/tazobactam (Zosyn) in 100 ml D5W, IV over 30 minutes q8 hours.
- B. Vancomycin (Vancocin) 1 gm in 250 ml D5W, IV over 90 minutes q12 hours.
- C. Pantoprazole (Protonix) 40 mg PO daily.
- D. Enoxaparin (Lovenox) 40 mg subq q24 hours.
Correct answer: A
Rationale: In a patient with urinary sepsis, administering Piperacillin/tazobactam first is crucial as it is an antibiotic that directly targets the infection. Addressing the infection promptly is essential to prevent its progression and complications. Vancomycin, Pantoprazole, and Enoxaparin are important medications for the patient's overall treatment plan, but in this scenario, the antibiotic should take precedence due to the urgency of managing the sepsis.
3. What physical assessment data should the nurse consider a normal finding for a primigravida client who is 12 hours postpartum?
- A. Soft, spongy fundus.
- B. Saturating two perineal pads per hour.
- C. Pulse rate of 56 BPM.
- D. Unilateral lower leg pain.
Correct answer: C
Rationale: The correct answer is C. A pulse rate of 56 BPM can be considered a normal finding for a primigravida client who is 12 hours postpartum. Postpartum bradycardia can occur due to increased stroke volume and decreased vascular resistance after delivery. It is important for the nurse to monitor the client's vital signs and recognize that a lower pulse rate can be expected in the immediate postpartum period. Choices A, B, and D are incorrect because a soft, spongy fundus may indicate uterine atony, saturating two perineal pads per hour is excessive bleeding, and unilateral lower leg pain could suggest deep vein thrombosis, all of which would require further assessment and intervention.
4. A client has developed hepatic encephalopathy secondary to cirrhosis and is receiving care on the medical unit. The client's current medication regimen includes lactulose four times daily. What desired outcome should the nurse relate to this pharmacologic intervention?
- A. Two to three soft bowel movements daily
- B. Significant increase in appetite and food intake
- C. Absence of nausea and vomiting
- D. Absence of blood or mucus in stool
Correct answer: A
Rationale: Lactulose is used in hepatic encephalopathy to reduce blood ammonia levels by promoting bowel movements. The desired outcome of lactulose therapy is typically two to three soft bowel movements daily, which helps in eliminating excess ammonia from the body, thus improving the client's condition.
5. The healthcare professional is caring for a client with a chest tube following a thoracotomy. Which assessment finding requires immediate intervention?
- A. Continuous bubbling in the water seal chamber.
- B. Serosanguineous drainage in the collection chamber.
- C. Intermittent bubbling in the suction control chamber.
- D. Chest tube secured to the client's chest wall.
Correct answer: A
Rationale: Continuous bubbling in the water seal chamber indicates an air leak, which requires immediate intervention to prevent complications such as pneumothorax. An air leak can lead to ineffective lung expansion, respiratory distress, and compromised gas exchange. Therefore, prompt action is necessary to maintain the integrity of the closed drainage system and prevent further complications. Choices B, C, and D are incorrect because serosanguineous drainage is an expected finding post-thoracotomy, intermittent bubbling in the suction control chamber is normal, and having the chest tube secured to the client's chest wall is essential for stability and proper functioning.
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