The nurse prepares to give mannitol for a severe h

ATI LPN

ATI LPN Test Bank

The nurse prepares to give mannitol for a severe head injury. What precaution is taken?

A. Discontinue barbiturate coma B. Draw up with filtered needle C. Prepare to hyperventilate D. Have naloxone ready

Correct Answer: B

Rationale: Mannitol requires a filtered needle (B) to remove crystals (text note).

Which is a major risk factor for embolic stroke?

A. Senile dementia B. Breast cancer C. Obesity D. Atrial fibrillation

Correct Answer: D

Rationale: AF (D) increases emboli risk, a key stroke cause.

A client (160.6 lbs) with ischemic stroke gets alteplase. Bolus mL/hr?

A. 3864 B. 1 C. 65.7 D. 394.2

Correct Answer: C

Rationale: 0.9 mg/kg, 10% bolus. 72.9 kg × 0.09 = 6.57 mg. 0.657 mL/min = 39.42 mL/hr, closest to 65.7 (C).

Norepinephrine infusion: 4 mg in 1000 mL D5NS, 2 mcg/min. Rate in mL/hr?

A. 5 B. 30 C. 0.5 D. 500

Correct Answer: B

Rationale: 4 mg = 4000 mcg/1000 mL = 4 mcg/mL. 2 mcg/min = 120 mcg/hr. 120 / 4 = 30 mL/hr (B).

Teaching a heart transplant client on cyclosporine. Which statement to include?

A. Anticipate hair loss B. Check HR before taking C. Change positions slowly D. Good oral hygiene

Correct Answer: D

Rationale: Cyclosporine causes gingival hyperplasia; oral care (D) is key.

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