ATI RN
ATI Pharmacology Final Exam 1 Questions
Extract:
Question 1 of 5
A client who has been taking cimetidine for hyperacidity calls the clinic to say that the medication has not been effective. The nurse reviews his history and notes that which factor may be influencing the effectiveness of this drug?
Correct Answer: D
Rationale: Smoking increases acid production, counteracting cimetidine's effects.
Question 2 of 5
A client has been taking lithium for 1 year, and the most recent lithium level is 0.9 rnEq/L. Which statement about the laboratory result is correct?
Correct Answer: C
Rationale: Therapeutic range for lithium is 0.8 to 1.2mmol/l.
Question 3 of 5
A client wants to take the herb gingko to help his memory. The nurse reviews his current medication list and would be concerned about potential interactions if he is taking a medication from which class of drugs?
Correct Answer: A
Rationale: Gingko has antiplatelet effects, increasing bleeding risk when combined with anticoagulants.
Question 4 of 5
A nurse is preparing to infuse a 250-mL unit of packed RBCs over 2 hr. The drop factor of the manual IV tubing is I5 gtts/mL. The nurse should adjust the flow rate to deliver how many drops per minute? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: A
Rationale: Flow rate (gtt/min) = Volume (mL)/Time (min) × Drop factor (gtts/mL) = 250/120 × 15 = 31 gtt/min.
Question 5 of 5
During an assessment, the client tells the nurse that he eats large amounts of garlic for its cardiovascular benefits. Which drug or drug class, if taken, would have a potential interaction with the garlic?
Correct Answer: D
Rationale: Garlic has anti-platelet effects, increasing the risk of bleeding when used with warfarin.