ATI RN
ATI Nurs 180 Phamacology Questions
Extract:
Question 1 of 5
The healthcare provider orders Ceftriaxone 20 mg IV every 6 hours. The instructions say to reconstitute 10 mg of Ceftriaxone with 6.5 ml of normal saline for a final concentration of 5 mg/ml. How many mL would the nurse administer?
Correct Answer: C
Rationale:
To calculate: 20 mg ÷ 5 mg/mL = 4 mL per dose. The provided answer of 13.3 mL seems incorrect based on the given concentration.
Question 2 of 5
The healthcare provider orders azithromycin (Zithromax) 1000mg to be given as a loading dose. The nurse understands that the purpose of this loading dose is to:
Correct Answer: C
Rationale: A loading dose is administered to quickly achieve therapeutic drug levels in the bloodstream, ensuring rapid onset of the medication's effect.
Question 3 of 5
A nurse is reviewing a client's prescribed medications. Which of the following situations represents a contraindication to medication administration?
Correct Answer: D
Rationale: A Black Box warning for tendonitis in a patient with a history of tendonitis is a contraindication, as the drug could exacerbate the condition.
Question 4 of 5
A client asks why she needs to take a medication on an empty stomach. The nurse explains that food generally has which effect on drug dissolution and absorption?
Correct Answer: C
Rationale: Food often decreases drug dissolution and absorption by binding to the drug or delaying gastric emptying, reducing bioavailability.
Question 5 of 5
A client is prescribed antibiotics while awaiting the results of their wound culture. The nurse understands this method of medication therapy is known as:
Correct Answer: D
Rationale: Empiric therapy involves starting antibiotics based on clinical judgment before culture results are available to promptly manage infections.