ATI RN
ATI Nur 180 Pharmacology quiz Questions
Question 1 of 5
A client diagnosed with allergic rhinitis is prescribed an antihistamine to assist with symptoms. Which of the following medications below would be considered a second-generation antihistamine?
Correct Answer: A
Rationale: Cetirizine is a second-generation antihistamine, designed to be less sedating than first-generation antihistamines like chlorpheniramine and diphenhydramine.
Question 2 of 5
A client who suffers from severe persistent allergic asthma is prescribed omalizumab (Xolair). Which statement below correctly describes the mechanism of action associated with omalizumab (Xolair)?
Correct Answer: C
Rationale: Omalizumab binds to immunoglobulin E (IgE), preventing it from attaching to mast cells and basophils, thus reducing the release of allergic mediators that contribute to asthma attacks.
Question 3 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.
Question 4 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 5 of 5
A client presents to the healthcare setting with a diagnosis of emphysema. Which of the following medications below would be contraindicated with the client's allergy to soybeans?
Correct Answer: C
Rationale: Ipratropium bromide contains soy lecithin, which is contraindicated for clients with soybean allergies.