ATI RN
ATI Pharmacology Proctored Exam
1. A provider prescribes phenobarbital for a client who has a seizure disorder. The medication has a long half-life of 4 days. How many times per day should the nurse expect to administer this medication?
- A. One
- B. Two
- C. Three
- D. Four
Correct answer: A
Rationale: Phenobarbital has a long half-life of 4 days, meaning it remains at therapeutic levels in the body for an extended period. Due to this prolonged duration of action, the nurse should expect to administer phenobarbital once a day to maintain therapeutic levels and effectiveness. Administering it more than once a day would lead to unnecessary dosing and potential adverse effects as the medication remains active in the body for an extended period.
2. When taking Digoxin, low levels of what can cause toxicity?
- A. Potassium
- B. Calcium
- C. Sodium
- D. Magnesium
Correct answer: A
Rationale: Low potassium levels can lead to Digoxin toxicity. Digoxin competes with potassium for binding sites on the sodium-potassium pump. When potassium levels are low, there is an increased risk of Digoxin binding and toxicity. Choice B (Calcium) is incorrect because low calcium levels are not directly linked to Digoxin toxicity. Choice C (Sodium) is incorrect as low sodium levels do not cause Digoxin toxicity. Choice D (Magnesium) is incorrect as low magnesium levels do not contribute to Digoxin toxicity.
3. When developing a care plan for a client with generalized anxiety disorder (GAD), which of the following interventions should not be included?
- A. Encourage the client to avoid anxiety-provoking situations.
- B. Teach the client relaxation techniques.
- C. Encourage the client to express their feelings.
- D. Provide a structured daily routine.
Correct answer: A
Rationale: When caring for a client with generalized anxiety disorder (GAD), it is essential to consider therapeutic interventions. Encouraging the client to avoid anxiety-provoking situations is not recommended as it can reinforce their anxiety. Teaching relaxation techniques, encouraging the expression of feelings, and providing a structured daily routine are beneficial strategies in managing generalized anxiety disorder by promoting coping skills and emotional expression while fostering stability and predictability.
4. The mother feels a natural urge to squeeze and push with her abdominal muscles during which stage of labor?
- A. first
- B. second
- C. third
- D. fourth
Correct answer: B
Rationale: The mother feels a natural urge to squeeze and push with her abdominal muscles during the second stage of labor. This stage occurs after the cervix is fully dilated and ends with the delivery of the baby. Choice A (first) is incorrect as the first stage is mainly characterized by the dilation of the cervix. Choice C (third) is incorrect as the third stage is the delivery of the placenta, and choice D (fourth) is incorrect as the fourth stage is the recovery period after childbirth.
5. The student nurse is participating in colorectal cancer-screening program. Which patient has the fewest risk factors for colon cancer?
- A. Janice, a 45 y.o. with a 25-year history of ulcerative colitis
- B. George, a 50 y.o. whose father died of colon cancer
- C. Herman, a 60 y.o. who follows a low-fat, high-fiber diet
- D. Sissy, a 72 y.o. with a history of breast cancer
Correct answer: C
Rationale: Herman, a 60 y.o. who follows a low-fat, high-fiber diet, has the fewest risk factors for colon cancer.
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