Study Guide – Practice Questions &
Verified Answers
Prepare for your exams with confidence using this comprehensive and well-organized study
guide. This resource is designed to help students understand key concepts, strengthen their
knowledge, and improve exam performance through carefully structured practice questions
and detailed explanations.
The document includes exam-style questions that closely reflect the format and difficulty of
real assessments, helping students become familiar with the types of questions they may
encounter. Each question is accompanied by accurate answers and clear explanations,
allowing you to fully understand the reasoning behind the correct responses.
What This Study Guide Offers
✔ Practice questions based on important and commonly tested topics
✔ Verified answers with clear, easy-to-follow explanations
✔ Well-structured formatting for efficient studying and revision
✔ Coverage of key course concepts and learning objectives
✔ A reliable resource for strengthening understanding and exam readiness
Why This Resource Is Useful
This study guide is designed to support students who want to review effectively, identify
knowledge gaps, and improve their test-taking skills. By practicing with exam-style questions
and reviewing detailed explanations, students can reinforce their understanding and build
confidence before their exams.
Ideal For
• Final exam preparation
• Midterm review
• Regular revision sessions
• Improving understanding of difficult topics
• Enhancing overall academic performance
,Whether you are studying weeks in advance or reviewing shortly before an exam, this guide
provides structured practice and clear explanations to help you prepare effectively and
perform at your best.
A valuable study resource for students who want to prepare smarter and succeed in their
exams.
Serotonin Antagonists ------- ✔ CORRECT ANSWER ✓✓Ondansetron (Zofran)
Mechanism of Action for Ondansetron ------- ✔ CORRECT ANSWER ✓✓5-HT3 receptor
antagonist; blocks serotonin in GI tract and CTZ
Uses for Ondansetron ------- ✔ CORRECT ANSWER ✓✓Chemo-induced nausea, post op nausea,
gastroenteritis
Side Effects of Ondansetron ------- ✔ CORRECT ANSWER ✓✓Headache, constipation, QT
prolongation (can lead to torsads)
Nursing Considerations for Ondansetron ------- ✔ CORRECT ANSWER ✓✓Monitor ECG in high-
risk patients, avoid in patients with congenital long QT syndrome, short term only
Dopamine Antagonists ------- ✔ CORRECT ANSWER ✓✓Prochlorperazine (Compazine) and
Metoclopramide
Mechanism of Action for Prochlorperazine ------- ✔ CORRECT ANSWER ✓✓Dopamine (D2)
antagonist
,Uses for Prochlorperazine ------- ✔ CORRECT ANSWER ✓✓Severe N/V, migraine-associated
nausea
Side Effects of Prochlorperazine ------- ✔ CORRECT ANSWER ✓✓Extrapyramidal symptoms (EPS)
(parkinsonian), sedation, orthostatic hypotension
Nursing Considerations for Prochlorperazine ------- ✔ CORRECT ANSWER ✓✓Use caution in
elderly, look at comorbidities, fall risk in elderly, don't get up too fast
Mechanism of Action for Metoclopramide ------- ✔ CORRECT ANSWER ✓✓Dopamine
antagonist/prokinetic agent; increases gastric emptying and increases LES tone
Uses for Metoclopramide ------- ✔ CORRECT ANSWER ✓✓Gastroparesis, GERD, diabetic nausea
Side Effects of Metoclopramide ------- ✔ CORRECT ANSWER ✓✓BLACK BOX: tardive dyskinesia
(long-term use)(tong thrust, lip smacking)
Nursing Considerations for Metoclopramide ------- ✔ CORRECT ANSWER ✓✓Monitor for side
effects
Antihistamines ------- ✔ CORRECT ANSWER ✓✓Meclizine
Mechanism of Action for Meclizine ------- ✔ CORRECT ANSWER ✓✓H1 receptor antagonists
Uses for Meclizine ------- ✔ CORRECT ANSWER ✓✓Motion sickness, vertigo, vestibular disorders
Side Effects of Meclizine ------- ✔ CORRECT ANSWER ✓✓Sedation, dry mouth, urinary retention
, Nursing Considerations for Meclizine ------- ✔ CORRECT ANSWER ✓✓Use caution in elderly
(anticholinergic effects), avoid alcohol
Mechanism of Action for Dimenhydrinate ------- ✔ CORRECT ANSWER ✓✓H1 receptor
antagonists
Uses for Dimenhydrinate ------- ✔ CORRECT ANSWER ✓✓Motion sickness, vertigo, vestibular
disorders
Side Effects of Dimenhydrinate ------- ✔ CORRECT ANSWER ✓✓Sedation, dry mouth, urinary
retention
Nursing Considerations for Dimenhydrinate ------- ✔ CORRECT ANSWER ✓✓Use caution in
elderly (anticholinergic effects), avoid alcohol
Antimuscarinics ------- ✔ CORRECT ANSWER ✓✓Scopolamine
Mechanism of Action for Scopolamine ------- ✔ CORRECT ANSWER ✓✓Transdermal patch
(behind ear); Block ACh at muscarinic receptors inhibit PNS anticholinergic effects
Uses for Scopolamine ------- ✔ CORRECT ANSWER ✓✓Motion sickness, post-op nausea
Side Effects of Scopolamine ------- ✔ CORRECT ANSWER ✓✓Dry mouth, blurred vision, confusion
(esp. elderly)
Nursing Considerations for Scopolamine ------- ✔ CORRECT ANSWER ✓✓Wash hands after
handling patch, remove before MRI; use caution in glaucoma