ATI RN
ATI Pharmacology Proctored Exam
1. A client has a new prescription for Lisinopril. Which of the following laboratory values should be monitored?
- A. Serum potassium
- B. Serum sodium
- C. Serum calcium
- D. Serum magnesium
Correct answer: A
Rationale: Corrected Rationale: Lisinopril is an ACE inhibitor that can cause hyperkalemia by reducing potassium excretion through the kidneys. Monitoring serum potassium levels is crucial to detect hyperkalemia early and prevent adverse effects such as cardiac arrhythmias. Choices B, C, and D are incorrect because Lisinopril is not known to significantly impact sodium, calcium, or magnesium levels in the same way it affects potassium levels.
2. The nurse is caring for a client who has chronic angina. Treatment for the condition has been unsuccessful. Which medication does the nurse anticipate will be prescribed?
- A. Atenolol (Tenormin)
- B. Nitroglycerin (Nitrostat)
- C. Sildenafil (Viagra)
- D. Ranolazine (Ranexa)
Correct answer: D
Rationale: In cases of chronic angina where initial treatment has not been successful, Ranolazine (Ranexa) is often prescribed. This medication helps by reducing the frequency of angina episodes. Atenolol, Nitroglycerin, and Sildenafil are also used in angina management but Ranolazine is more specifically indicated in cases of refractory angina where other treatments have failed.
3. What is the classification for the drug valproate?
- A. Anti-diabetic
- B. Anti-convulsant
- C. Anti-ulcer agent
- D. Anti-hypertensive
Correct answer: B
Rationale: Valproate is classified as an anticonvulsant. It is commonly used to treat epilepsy and bipolar disorder by stabilizing electrical activity in the brain. Therefore, the correct classification for valproate is as an anticonvulsant. Options A, C, and D are incorrect because valproate is not used to treat diabetes, ulcers, or hypertension.
4. 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.
5. In which patient could the drug Senna potentially be indicated?
- A. A patient with an eating disorder
- B. A patient who has not passed stool in 5 days
- C. A patient with anal fissures
- D. A patient with a history of hemorrhoids
Correct answer: B
Rationale: Senna is a stimulant laxative commonly used to treat constipation by stimulating bowel movements. It is typically indicated for patients who have not passed stool in several days, thereby helping to relieve constipation. Patients with eating disorders may require different treatments related to their condition. Patients with anal fissures or a history of hemorrhoids may need treatments targeted at those specific issues, which may not involve Senna.
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