NSG 318 Exam 4
Introduction to Pharmacology (Latest )
Actual Qs & Rationalized Ans – GCU
100% Guarantee Pass
I. What is the CTZ? - ANSWER>>The chemoreceptor trigger zone (CTZ) is an area in the
medulla oblongata that communicates w/ other structures in the vomiting center to
initiate vomiting
II. diphenhydramine (Benadryl) - ANSWER>>1st generation antihistamine
III. Diphenhydramine (Benadryl) uses - ANSWER>>treat allergic rhinitis, common cold,
cough, sneezing, pruitus, urticaria, prevent motion sickness, can even help with sleep.
IV. Diphenhydramine (Benadryl) mode of action - ANSWER>>Antagonizes histamine effects
V. (Benadryl is a very high protein binding drug, wins H1 receptor spot)
VI. What area/system does diphenhydramine affect? - ANSWER>>Upper respiratory
, VII. Diphenhydramine cautions - ANSWER>>Narrow-angle glaucoma, BPH, pregnancy,
breastfeeding, urinary retention.
VIII. diphenhydramine interactions - ANSWER>>- increased CNS depression with alcohol,
opioids, hypnotics, and barbiturates
IX. -AVOID USE w/ MAOIs.
X. Diphenhydramine side effects - ANSWER>>agitation, insomnia, urinary retention, blurred
vision, dry mouth and throat, hypotension, abdominal pain, constipation, ,
photosensitivity, palpitations
XI. Diphenhydramine life threatening effects - ANSWER>>Agranulocytosis, hemolytic anemia,
thrombocytopenia
XII. Dextromethorphan (Robitussin) classification - ANSWER>>antitussive
XIII. Dextromethorphan (Robitussin) used for a - ANSWER>>Nonproductive cough from
respiratory tract infections or irritants.
XIV. Dextromethorphan (Robitussin) mode of action - ANSWER>>Depresses cough center in
medulla
XV. Dextromethorphan (Robitussin) Caution - ANSWER>>Pregnancy, asthma, emphysema,
hepatic disease
XVI. Dextromethorphan (Robitussin) Drug interactions - ANSWER>>- increased CNS
depression with:
XVII. Alcohol, antihistamines, antidepressants, opiates
- Hypotension and hyperpyrexia if taken w/ MAOIs.
XVIII. Dextromethorphan (Robitussin) side effects - ANSWER>>CNS effects, fatigue, GI distress
Introduction to Pharmacology (Latest )
Actual Qs & Rationalized Ans – GCU
100% Guarantee Pass
I. What is the CTZ? - ANSWER>>The chemoreceptor trigger zone (CTZ) is an area in the
medulla oblongata that communicates w/ other structures in the vomiting center to
initiate vomiting
II. diphenhydramine (Benadryl) - ANSWER>>1st generation antihistamine
III. Diphenhydramine (Benadryl) uses - ANSWER>>treat allergic rhinitis, common cold,
cough, sneezing, pruitus, urticaria, prevent motion sickness, can even help with sleep.
IV. Diphenhydramine (Benadryl) mode of action - ANSWER>>Antagonizes histamine effects
V. (Benadryl is a very high protein binding drug, wins H1 receptor spot)
VI. What area/system does diphenhydramine affect? - ANSWER>>Upper respiratory
, VII. Diphenhydramine cautions - ANSWER>>Narrow-angle glaucoma, BPH, pregnancy,
breastfeeding, urinary retention.
VIII. diphenhydramine interactions - ANSWER>>- increased CNS depression with alcohol,
opioids, hypnotics, and barbiturates
IX. -AVOID USE w/ MAOIs.
X. Diphenhydramine side effects - ANSWER>>agitation, insomnia, urinary retention, blurred
vision, dry mouth and throat, hypotension, abdominal pain, constipation, ,
photosensitivity, palpitations
XI. Diphenhydramine life threatening effects - ANSWER>>Agranulocytosis, hemolytic anemia,
thrombocytopenia
XII. Dextromethorphan (Robitussin) classification - ANSWER>>antitussive
XIII. Dextromethorphan (Robitussin) used for a - ANSWER>>Nonproductive cough from
respiratory tract infections or irritants.
XIV. Dextromethorphan (Robitussin) mode of action - ANSWER>>Depresses cough center in
medulla
XV. Dextromethorphan (Robitussin) Caution - ANSWER>>Pregnancy, asthma, emphysema,
hepatic disease
XVI. Dextromethorphan (Robitussin) Drug interactions - ANSWER>>- increased CNS
depression with:
XVII. Alcohol, antihistamines, antidepressants, opiates
- Hypotension and hyperpyrexia if taken w/ MAOIs.
XVIII. Dextromethorphan (Robitussin) side effects - ANSWER>>CNS effects, fatigue, GI distress
