ATI LPN
PN ATI Capstone Pharmacology 1 Quiz
1. A nurse is caring for a client receiving anticoagulation therapy. Which of the following should the nurse monitor?
- A. INR levels
- B. Blood glucose
- C. Serum creatinine
- D. Liver function
Correct answer: A
Rationale: Corrected Rationale: When caring for a client receiving anticoagulation therapy, the nurse should monitor the INR levels. INR (International Normalized Ratio) reflects the blood's ability to clot properly. It is crucial to monitor INR levels to ensure the anticoagulation therapy is within the therapeutic range and to prevent bleeding complications. Monitoring blood glucose levels (Choice B) is more relevant for clients with diabetes or those on medications affecting blood sugar. Serum creatinine (Choice C) is typically monitored to assess kidney function. Liver function (Choice D) is assessed through tests like AST, ALT, and bilirubin levels, and it is more relevant for assessing liver health rather than monitoring anticoagulation therapy.
2. A nurse is caring for a client who is receiving oxytocin to augment labor. The client has an intrauterine pressure catheter and an internal fetal scalp electrode for monitoring. Which of the following is an indication that the nurse should discontinue the infusion?
- A. Contraction frequency every 3 minutes
- B. Contraction duration of 100 seconds
- C. Fetal heart rate with moderate variability
- D. Fetal heart rate of 118/min
Correct answer: B
Rationale: A contraction duration of 100 seconds indicates potential uterine hyperstimulation, which can lead to fetal distress and decreased uterine perfusion. Prolonged contractions may reduce oxygen supply to the fetus, putting it at risk. Discontinuing the oxytocin infusion is crucial to prevent adverse effects on both the mother and the fetus. The other options do not raise immediate concerns that would necessitate discontinuing the oxytocin infusion. Contraction frequency every 3 minutes is within a normal range. Fetal heart rate with moderate variability and a rate of 118/min are both reassuring signs of fetal well-being.
3. A nurse is caring for a client with a chest tube following a thoracotomy. Which of the following findings requires intervention by the nurse?
- A. Tidaling with spontaneous respirations
- B. Drainage collection chamber is 1/3 full
- C. 1 cm of water present in the water seal chamber
- D. Suction chamber pressure of -20 cm H2O
Correct answer: C
Rationale: 1 cm of water in the water seal chamber is insufficient to ensure proper functioning of the chest tube. The water seal chamber typically requires a water level of 2 cm. Tidaling with spontaneous respirations (choice A) is an expected finding indicating proper functioning. Having the drainage collection chamber 1/3 full (choice B) is within the normal range. A suction chamber pressure of -20 cm H2O (choice D) is an appropriate level for chest tube drainage.
4. A nurse is caring for a client who has a nasogastric (NG) tube and is receiving enteral feedings. The client reports feeling nauseated. Which of the following actions should the nurse take first?
- A. Administer an antiemetic.
- B. Check the client’s bowel sounds.
- C. Slow the rate of the feeding.
- D. Place the client in a supine position.
Correct answer: B
Rationale: The correct action for the nurse to take first when a client with a nasogastric tube reports feeling nauseated is to check the client's bowel sounds. This assessment helps the nurse evaluate for possible complications, such as a blockage or decreased gastric motility, that could be causing the nausea. Administering an antiemetic (Choice A) should not be the first action without assessing the underlying cause of the nausea. Slowing the rate of the feeding (Choice C) may be appropriate but is not the priority until further assessment is done. Placing the client in a supine position (Choice D) is not typically indicated for managing nausea in this situation.
5. A client has been prescribed vasopressin for the treatment of diabetes insipidus. What is the expected pharmacological action of this medication?
- A. To stimulate the pancreas to secrete insulin
- B. To slow the absorption of glucose in the intestine
- C. To increase reabsorption of water in the renal tubules
- D. To increase blood pressure
Correct answer: C
Rationale: The correct answer is C: To increase reabsorption of water in the renal tubules. Vasopressin mimics the action of antidiuretic hormone (ADH) by increasing the reabsorption of water in the renal tubules. This leads to decreased urine output, helping to manage symptoms of diabetes insipidus, which is characterized by excessive thirst and urination. Choices A, B, and D are incorrect. Vasopressin does not stimulate the pancreas to secrete insulin, slow the absorption of glucose in the intestine, or directly increase blood pressure.
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