ATI RN
ATI Mental Health Exam IV Questions
Extract:
Question 1 of 5
What is the definition of substance misuse?
Correct Answer: B
Rationale: Substance misuse involves harmful use of psychoactive substances impacting health or safety.
Question 2 of 5
The physician orders a Lidocaine drip to infuse at 2 mg/min. The drug is available as 2 gm in 500 mL of fluid. Solve for mL/hr.
Correct Answer: 3
Rationale: Lidocaine at 2 mg/min (2000 mcg/min) with a concentration of 4000 mcg/mL yields 3 mL/hr (2000 x 60 / 4000).
Question 3 of 5
A nurse is teaching a newly licensed nurse about heparin-induced thrombocytopenia. Which of the following risk factors for this disorder should the nurse include in the teaching?
Correct Answer: C
Rationale: Heparin therapy is a significant risk factor for heparin-induced thrombocytopenia (HIT) due to exposure to heparin which can trigger an immune response causing platelet activation and thrombosis.
Question 4 of 5
A nurse is obtaining a health history from a client who has iron deficiency anemia. Which of the following findings should the nurse expect?
Correct Answer: B
Rationale: Fatigue is a hallmark of iron deficiency anemia due to reduced oxygen-carrying capacity from low hemoglobin.
Question 5 of 5
Administer heparin 1000 units per hour IV. The pharmacy supplies the heparin infusion as 25.000 units in 500 mL DSW. What will the IV pump be set to? (Include unit of measure with answer).
Correct Answer: 20
Rationale: Heparin infusion Calculation(ans only):Heparin dose ordered: 1000 units per hour
Heparin concentration: 25,000 units in 500 mL
Conversion: 1 mL = 500 units
Calculations:Units per hour = 1000 units
Units per mL = 25,000 units / 500 mL = 50 units/mL
mL per hour = 1000 units / 50 units/mL = 20 mL/hr