ATI RN
ATI Nur 180 Pharmacology quiz Questions
Extract:
Question 1 of 5
A client frequently takes diphenhydramine (Benadryl) to alleviate his upper respiratory symptoms associated with allergies. Which of the following mechanism of actions applies to diphenhydramine (Benadryl)?
Correct Answer: B
Rationale: Diphenhydramine is an antihistamine that competes with histamine for binding to H1 receptor sites, effectively reducing symptoms of allergies, such as sneezing, itching, and nasal congestion.
Question 2 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 3 of 5
A client suffering from asthma is placed on theophylline to reduce the frequency of acute attacks. Which of the following adverse effects would the nurse caution the client prior to discharge?
Correct Answer: A
Rationale: Theophylline can stimulate the heart, leading to tachycardia, a common adverse effect that clients should be aware of, especially if they have underlying heart conditions.
Question 4 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 5 of 5
A client's severe asthma has necessitated the use of a long-acting beta2-agonist (LABA). Which of the client's statements suggests a need for further education?
Correct Answer: A
Rationale: LABAs are for long-term control, not for immediate relief of acute asthma attacks. A short-acting beta agonist (SAB
A) should be used for quick relief.