ATI RN
ATI Nurs 180 Pharmacology Exam Questions
Extract:
Question 1 of 5
A nurse is caring for a client admitted to the intensive care unit for a cardiac dysrhythmia. The nurse understands the prescribed calcium channel blocker has which of the following mechanisms of action?
Correct Answer: C
Rationale: Calcium channel blockers reduce heart contractility and conduction, slowing heart rate and managing dysrhythmias effectively.
Question 2 of 5
The nurse is caring for a client who suffers from frequent blood clots and currently taking argatroban (Hospira). Which of the following conditions in the client's medical history would require them to take argatroban (Hospira)?
Correct Answer: A
Rationale: Argatroban is indicated for heparin-induced thrombocytopenia as a direct thrombin inhibitor, avoiding further platelet depletion.
Question 3 of 5
A charge nurse is teaching a group of nurses about the antagonist action of reversal medications. For each medication listed below, click to specify the expected reversal agent.
| Options | Glucagon | Protamine sulfate | Vitamin K | Andexanet alfa |
|---|---|---|---|---|
| Warfarin: Vitamin K | ||||
| Heparin: Protamine sulfate | ||||
| Rivaroxaban: Andexanet alfa | ||||
| Beta Blockers: Glucagon |
Correct Answer: A,B,C,D
Rationale: Vitamin K reverses warfarin, protamine sulfate neutralizes heparin, andexanet alfa counters rivaroxaban, and glucagon mitigates beta-blocker overdose effects.
Question 4 of 5
A nurse is caring for a client who is diagnosed with a deep vein thrombosis (DVT) and is receiving heparin. The client asks the nurse how long it will take for the heparin to dissolve the clot, which of the following responses should the nurse give?
Correct Answer: B
Rationale: Heparin prevents new clot formation but does not lyse existing clots, which the body gradually reabsorbs.
Question 5 of 5
A client is started on gemfibrozil (Lopid) to assist in the lowering of triglyceride level. Which of the following side effects is associated with gemfibrozil (Lopid)?
Correct Answer: D
Rationale: Gemfibrozil increases biliary cholesterol, raising gallstone risk, a known side effect requiring monitoring.