NR293 / NR-293 Exam 1 (Latest Update 2024 / 2025): Pharmacology for Nursing Practice | Complete Guide with Questions and Verified Answers | 100% Correct - Chamberlain

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 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 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) Nursing implications: - take with food - if dry mouth -- frequent mouth care, chew gum or suck on sugar-free candy - avoid taking with other CNS depressants or ETOH Answer: Anti-histamines