NR293 / NR-293 Exam 1 (Latest
Update 2024 / 2025): Pharmacology
for Nursing Practice | Complete Guide with Questions and Verified Answers | 100% Correct - Chamberlain
Question:
What is the common cold and what is it caused by?
Answer:
It is an upper respiratory infection that is usually viral. Most are caused by influenza or rhinovirus.
Question:
What are treatment therapy options for the common cold?
Answer:
symptomatic or empiric therapy
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Question:
What is an allergic reaction caused by? How do we treat it?
Answer:
excess histamines; anti-histamines
Question:
What are anticholinergic effects? Where do you see them?
Answer:
- blurred vision (can't see)
- urinary retention (can't pee)
- dry mouth (can't spit)
- constipation (can't shit)
You see them in traditional antihistamine drugs.
Question:
Why should we caution use of antihistamines in elderly?
Answer:
they could become dehydrated and drowsy, increasing their risk for falls
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Question:
MOA: blocks effects of histamine on target tissues (antagonist)
H1 receptor --> mediates smooth muscle contraction and dilation of capillaries
Indications:
- allergies
- common cold symptoms
- motion sickness
- sleep aid
- Parkinson's disease
Adverse/side effects: - anticholinergic
- drowsiness
Caution:
- elderly
- impaired liver/renal function
- cardiac disease
- BPH
Contraindications:
- narrow angle glaucoma
- acute asthma attacks and lower respiratory infections (pneumonia) 3 / 4
Nursing implications:
- take with food
- if dry mouth --> frequent mouth care, chew gum or suck on sugar-free
- avoid taking with other CNS depressants or ETOH
candy
Answer:
Anti-histamines
Question:
Why should we avoid taking antihistamines with other CNS depressants or ETOH?
Answer:
CNS depressants and ETOH already make us drowsy we don't want to increase drowsiness.
Question:
Why should we caution use of antihistamines in clients with BPH?
Answer:
People who have BPH already have urine retention issues.. we don't want to make this problem worse.
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