ATI RN
ATI Nur 180 Pharmacology quiz Questions
Extract:
Question 1 of 5
A nurse is preparing to administer promethazine 1.5mg/kg to a pediatric client. The child weighs 80 pounds. Available is promethazine 40mg/5ml. How many mL should the nurse administer? (Round to the nearest tenth. Do not use a trailing zero.)
Correct Answer: A
Rationale: Child's weight: 80 pounds × 0.453592 = 36.3 kg. Dose: 1.5 mg/kg × 36.3 kg = 54.45 mg. Volume: (54.45 mg / 40 mg) × 5 mL = 6.8 mL.
Question 2 of 5
A client currently taking ipratropium (Atrovent) presents to the healthcare setting for reevaluation of his current asthma status. Which of the following statements apply to ipratropium (Atrovent)? (Select All that Apply.)
Correct Answer: B,D,E,F
Rationale: B: Ipratropium blocks acetylcholine receptors, causing bronchodilation. D: It contains soy lecithin, contraindicated for soybean allergies. E: Urinary retention is a side effect due to anticholinergic properties. F: It is used for asthma and COPD management.
Question 3 of 5
A nurse is administering diphenhydramine (Benadryl) to a client experiencing a minor allergic reaction. Which information would the nurse include in the client's teaching plan regarding diphenhydramine (Benadryl)? (Select All that Apply.)
Correct Answer: C,E
Rationale: C: Diphenhydramine can cause sedation, and combining it with CNS depressants can enhance this effect, increasing the risk of complications. E: Paradoxical reactions, such as excitability, can occur in some individuals, particularly children.
Question 4 of 5
The nurse is assessing the medication record of a newly admitted client. Which of the following medications directly interacts with oxymetazoline (Afrin)?
Correct Answer: C
Rationale: Monoamine oxidase inhibitors (MAOIs) can interact with oxymetazoline, potentially causing increased blood pressure due to enhanced vasoconstriction.
Question 5 of 5
When caring for a client with an upper respiratory infection (URI), the nurse is notified the client is taking guaifenesin (Mucinex). What is the mechanism of action of guaifenesin (Mucinex)?
Correct Answer: D
Rationale: Guaifenesin acts as an expectorant, promoting the clearance of mucus from the airways by loosening bronchial secretions. This facilitates easier expectoration of mucus, helping to relieve chest congestion associated with upper respiratory infections.