NURS180/ NURS 180 Quiz 4 –
Pharmacology | WCU (Updated 2026–2027
Edition) Fully Verified Questions &
Answers | Guaranteed Grade A
What is considered the upper respiratory tract? What does the upper respiratory system do?
-nose
-mouth
-throat (pharynx)
filters and humidifies air
What is allergic rhinitis?
inflammation of nasal mucosa d/t exposure to allergens
What are some nonpharmacological treatments for allergic rhinitis?
-avoid triggers
-fluid and rest
What are the indications for diphenhydramine (Benadryl)?
-allergic rhinitis
-anaphylaxis
-motion sickness
-insomnia (short-term)
-Parkinson's disease
What is the MOA for diphenhydramine (Benadryl)?
binds to H1 receptors blocking the release of histamines
What are some adverse effects associated with diphenhydramine (Benadryl)?
-drowsiness
-dizziness
-anticholinergic effects
-confusion
What is some pt teaching for diphenhydramine (Benadryl)?
-avoid taking with alcohol and other CNS depressants
-avoid activities that require alertness
-take with meals to avoid GI upset
, What are some contraindications for diphenhydramine (Benadryl)?
-infants and children <2
-narrow-angle glaucoma
-BPH
-acute asthma attack
What are the indications for certirizine (Zyrtec)?
-allergic rhinitis
-chronic idiopathic uticaria
What is the MOA for certirizine (Zyrtec)?
antagonizes histamine effects at H1 receptors without binding or inactivating histamine
What are some adverse effects for certirizine (Zyrtec)?
-drowsiness
-dizziness
-anticholinergic effects
What is some patient teaching that can be done with certirizine (Zyrtec)?
-take with plenty of water
-avoid other OTC antihistamines
-avoid use with alcohol and CNS depressants
What are some nursing considerations for certirizine (Zyrtec)?
-lower dose for those with renal/liver impairment
-give orally with plenty of water
What are the indications for mometastone (Nasonex)?
-nasal congestion
-allergic rhinitis
What drug class is mometastone (Nasonex)?
glucocorticoid
What is the MOA for mometastone (Nasonex)?
prevents release of leukotrienes, prostaglandins, and histamine (decreases inflammation and
edema of airways
What are some adverse effects associated with mometastone (Nasonex)?
-sore throat
-nosebleed
-headache
burning sensation in nose