ATI PHARMACOLOGY PROCTORED 2019 REVISION GUIDE ATI Questions & Answers with Rationales ; Download for an A

ATI PHARMACOLOGY PROCTORED 2019 REVISION GUIDE ATI Questions & Answers with Rationales ; Download for an A 1. A nurse is preparing to administer warfarin to a client who has a new onset of atrial fibrillation. The client asks the nurse, “What does this medication do?” Which of the following responses should the nurse make? a. “It helps your heart return to a normal rhythm.” b. “It dissolves blood clots.” c. “It can reduce your risk of having a stroke.” d. “It helps to prevent bleeding in atrial fibrillation.” Rationale: C. The nurse should identify that atrial fibrillation increases the client’s risk of having a stroke due to clot formation in the atrium. Warfarin can prevent clot formation when used long term, which will reduce the client’s risk of having a stroke. 2. A nurse is caring for a client who has diabetes insipidus. Which of the following laboratory values should the nurse identify as reflecting a contraindication to receiving vasopressin to treat this disorder? e. Sodium 152 mEq/L f. Potassium 6.0 mEq/L g. Creatinine clearance 50 mL/min h. Aspartate aminotransferase (AST) 52 units/L Rationale: C. Creatinine clearance should be above 87 mL/min for female clients and above 107 mL/min for male clients. A creatinine clearance of 50 mL/min indicates renal impairment and is a contraindication to receiving vasopressin. Renal impairment increases the likelihood of the lifethreatening adverse effect of water intoxication