ATI RN
ATI Capstone Pharmacology Assessment 1
1. A client receiving epoetin alfa therapy for anemia is being monitored for therapeutic effects. Which of the following laboratory values indicates the medication is effective?
- A. White blood cell count
- B. Hematocrit
- C. Platelet count
- D. Red blood cell count
Correct answer: B
Rationale: The correct answer is B: Hematocrit. An increase in hematocrit levels indicates the effectiveness of epoetin alfa in treating anemia. Hematocrit reflects the percentage of red blood cells in the blood, so an increase in hematocrit signifies an improvement in the patient's red blood cell count and oxygen-carrying capacity. Choices A, C, and D are incorrect because white blood cell count, platelet count, and red blood cell count do not directly reflect the therapeutic effects of epoetin alfa in treating anemia.
2. A nurse is caring for a client prescribed montelukast. Which of the following should the nurse include in teaching related to this medication?
- A. Advise the client to take the medication once daily at bedtime
- B. This medication is for the acute management of asthma
- C. Avoid dairy products while taking this medication
- D. If the client forgets to take the medication for a few days, he should not double up on doses to catch up
Correct answer: A
Rationale: The correct answer is to advise the client to take montelukast once daily at bedtime to maintain therapeutic effects. Choice B is incorrect because montelukast is not typically used for acute asthma management but for chronic treatment. Choice C is incorrect as there are no known interactions between montelukast and dairy products. Choice D is incorrect as it is not safe to double up on doses if the client forgets to take the medication; the missed dose should be skipped and the regular dosing schedule maintained.
3. A client is prescribed spironolactone. Which of the following findings would indicate an adverse effect of this medication?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hyponatremia
- D. Hypernatremia
Correct answer: A
Rationale: Hyperkalemia is the correct answer as it is an adverse effect associated with spironolactone, a potassium-sparing diuretic. Spironolactone works by blocking the aldosterone receptor in the distal convoluted tubule, leading to decreased potassium excretion and potential hyperkalemia. Hypokalemia (choice B) and hyponatremia (choice C) are not typically associated with spironolactone use. Hypernatremia (choice D) is also an unlikely finding with spironolactone.
4. A nurse is caring for a client receiving IV vancomycin. The nurse notes flushing of the client's neck and chest. Which of the following actions should the nurse take?
- A. Stop the infusion
- B. Document the findings as a harmless reaction
- C. Slow the infusion rate
- D. Administer diphenhydramine
Correct answer: C
Rationale: The correct action for the nurse to take when a client receiving IV vancomycin shows flushing of the neck and chest is to slow the infusion rate. Flushing is a common sign of Red Man Syndrome, which is associated with rapid infusions of vancomycin. Slowing down the infusion rate can help prevent further flushing and the development of Red Man Syndrome. Stopping the infusion (Choice A) may be too drastic if the symptoms are mild and can be managed by slowing the rate. Documenting the findings as a harmless reaction (Choice B) is incorrect because flushing should be addressed promptly to prevent complications. Administering diphenhydramine (Choice D) is not the initial or best intervention for flushing associated with vancomycin; slowing the infusion rate is the priority.
5. A nurse is preparing to administer an intramuscular injection to an adult client. At what angle should the nurse administer the medication using the ventrogluteal site?
- A. a 45-degree angle
- B. a 60-degree angle
- C. a 75-degree angle
- D. a 90-degree angle
Correct answer: D
Rationale: Intramuscular injections in the ventrogluteal site should be administered at a 90-degree angle. This angle ensures that the medication reaches the muscle tissue effectively. Angles less than 90 degrees can cause subcutaneous injection instead of intramuscular, leading to slower absorption of the medication. Angles greater than 90 degrees risk hitting bone or nerves, causing unnecessary pain or injury. Therefore, the correct angle for administering intramuscular injections in the ventrogluteal site is 90 degrees.
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