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NSG-318 EXAM 4 PRACTICE QUESTIONS AND CORRECT ANSWERS
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What is the ctz? the chemoreceptor trigger zone (ctz) is an area in the medulla oblongata that communicates w/ other structures in the vomiting center to initiate vomiting Diphenhydramine (benadryl) 1st generation antihistamine Diphenhydramine (benadryl) uses treat allergic rhinitis, common cold,...

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  • August 8, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nsg 318 exam 4 practice questions and correct answ
  • what is the ctz the chemoreceptor trigger zone
  • diphenhydramine benadryl 1st generation antihis

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  • NSG 318
  • NSG 318

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NSG-318 EXAM 4 PRACTICE
QUESTIONS AND CORRECT ANSWERS
What is the ctz? ✅the chemoreceptor trigger zone (ctz) is an area in the medulla
oblongata that communicates w/ other structures in the vomiting center to initiate
vomiting

Diphenhydramine (benadryl) ✅1st generation antihistamine

Diphenhydramine (benadryl) uses ✅treat allergic rhinitis, common cold, cough,
sneezing, pruitus, urticaria, prevent motion sickness, can even help with sleep.

Diphenhydramine (benadryl) mode of action ✅antagonizes histamine effects
(benadryl is a very high protein binding drug, wins h1 receptor spot)

What area/system does diphenhydramine affect? ✅upper respiratory

Diphenhydramine cautions ✅narrow-angle glaucoma, bph, pregnancy, breastfeeding,
urinary retention.

Diphenhydramine interactions ✅- increased cns depression with alcohol, opioids,
hypnotics, and barbiturates
-avoid use w/ maois.

Diphenhydramine side effects ✅agitation, insomnia, urinary retention, blurred vision,
dry mouth and throat, hypotension, abdominal pain, constipation, , photosensitivity,
palpitations

Diphenhydramine life threatening effects ✅agranulocytosis, hemolytic anemia,
thrombocytopenia

Dextromethorphan (robitussin) classification ✅antitussive

Dextromethorphan (robitussin) used for a ✅nonproductive cough from respiratory tract
infections or irritants.

Dextromethorphan (robitussin) mode of action ✅depresses cough center in medulla

Dextromethorphan (robitussin) caution ✅pregnancy, asthma, emphysema, hepatic
disease

, Dextromethorphan (robitussin) drug interactions ✅- increased cns depression with:
Alcohol, antihistamines, antidepressants, opiates
- hypotension and hyperpyrexia if taken w/ maois.

Dextromethorphan (robitussin) side effects ✅cns effects, fatigue, gi distress

Dextromethorphan (robitussin) teaching ✅increase fluid to decrease viscosity of
secretions.

Four major pulmonary disorders ✅chronic bronchitis, bronchiectasis, emphysema,
asthma.

Restrictive lung disease ✅a decrease in total lung capacity because of fluid
accumulation or loss of elasticity of the lung

Copd ✅airway obstruction with increased resistance to airflow.

Albuterol classification ✅beta 2 adrenergic agonist

Albuterol uses ✅to treat asthma, prophylaxis and bronchospasm

Albuterol mode of action ✅stimulates beta 2 adrenergic receptors relaxing bronchial
smooth muscle causing bronchodilation.

Albuterol drug interactions ✅- increased effects with other sympathomimetics, maois,
and tricyclic antidepressants
- antagonized effects with beta blockers

Albuterol side effects ✅tremors, agitation, anxiety, sweating, nasopharyngitis,
insomnia, gi distress

Dextromethorphan (robitussin) system effects ✅upper respiratory

Tiotropium (spiriva) classification ✅anticholinergic

Albuterol effects area ✅lower respiratory system.

Tiotropium (spiriva) uses ✅maintenance treatment of asthma and copd

Tiotropium (spiriva) mechanism of action ✅blocks acetylcholine = bronchodilation

Tiotropium (spiriva) caution ✅lactose hypersensitivity, narrow-angle glaucoma, bladder
neck obstruction, renal impairment, breastfeeding, older adults

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