Nokea
A nurse is preparing to administer dextrose 5% in water (D5W) 750 mL IV to infuse over 6 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 125
- B. 120
- C. 150
- D. 110
Correct Answer: A
Rationale: Calculation: 750 mL ÷ 6 hr = 125 mL/hr, matching the answer.
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Which of the following drug can cause hypoglycemia:
- A. Acarbose
- B. Glipizide
- C. Metformin
- D. Pramlintide
Correct Answer: B
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Taylor is a 10-year-old child diagnosed with major depression. The appropriate first-line antidepressant for children is:
- A. Fluoxetine
- B. Fluvoxamine
- C. Sertraline
- D. Escitalopram
Correct Answer: A
Rationale: Fluoxetine is FDA-approved as a first-line treatment for pediatric depression.
Which of the following causes rise in systolic as well as diastolic BP for prolonged period:
- A. Ephedrine
- B. Epinephrine
- C. Dopamine
- D. Norepinephrine
Correct Answer: D
Rationale: Norepinephrine increases both systolic and diastolic BP with prolonged effect.
A nursing instructor is observing a nursing student prepare an oral drug for administration. The instructor determines that the student is performing the procedure correctly when the student compares the label of the drug with the MAR how many times?
- A. 2
- B. 3
- C. 4
- D. 5
Correct Answer: B
Rationale: The proper procedure is to compare the drug label with the MAR three times: when the drug is taken from its storage area, immediately before removing the drug from the container, and before administering the drug to the patient.
Once phosphorylated, the intracellular segment of a receptor tyrosine kinase
- A. Activates adenylate cyclase
- B. Causes dissociation of the ligand from an allosteric binding site
- C. Terminates intracellular signaling cascades
- D. Allows docking of intracellular proteins involved in signal transduction
Correct Answer: D
Rationale: Phosphorylation enables docking of signaling proteins, initiating transduction cascades.