| Course | NU141 Pharmacology for Nursing |
|---|---|
| Unit | Unit 2 |
| Paper type | Drug card |
| Length | About 560 words, 5 pages double-spaced |
| Format | APA 7 student paper |
| School | Purdue University Global |
| Program | BSN (prelicensure) |
| Updated | October 2026 |
Free sample paper for NU141 Unit 2
Two Sentences of Mechanism, a Page of Nursing: A Drug Card Template Built on Ondansetron, the Serotonin-Blocking Antiemetic, With Checks Before the Dose, Monitoring, Interactions and Teaching for a Composite Patient
[Student Name]
Purdue University Global
NU141: Pharmacology for Nursing
Unit 2 Drug Card
[Instructor Name]
[Date]
The patient is composite; doses and limits are typical and bracketed, and the prescriber's order and facility references govern.
Drug and Class
Generic name: ondansetron. Class: antiemetic; serotonin 5-HT3 receptor antagonist. Routes: oral tablet, orally disintegrating tablet, IV, IM.
Mechanism, in Two Sentences
Chemotherapy, surgery and some infections cause cells in the gut lining to release serotonin, which stimulates nerve endings that signal the brain's vomiting center. Ondansetron blocks the 5-HT3 receptors on those nerve endings and in the brain area that triggers vomiting, interrupting the signal (Burchum & Rosenthal, 2022).
Uses
Prevention and treatment of nausea and vomiting after surgery and with chemotherapy or radiation; widely used for vomiting from gastroenteritis, including in children, where a trial found a single oral dose reduced vomiting and the need for IV fluids (Freedman et al., 2006).
Usual Adult Dose for This Patient
Patient I, a composite 45-year-old woman, is nauseated after a laparoscopic gallbladder removal. Order: ondansetron [4] mg IV every [8] hours as needed for nausea. IV doses are given slowly, over at least [30] seconds, or as the facility directs.
Before Giving
1. Ask her to rate the nausea and describe vomiting. Reason: provides a baseline to judge effect.
2. Check allergies, including to other drugs in the same class. Reason: cross-sensitivity is possible.
3. Review her medication list for other drugs that prolong the QT interval or raise serotonin. Reason: ondansetron can prolong the QT interval and add to serotonergic effects.
4. Check the most recent potassium and magnesium, and an ECG if one is available. Reason: low potassium or magnesium increases QT risk.
The check that matters most is not the nausea score but the medication list, because the drug's serious risks come from what it is combined with.
Adverse Effects
Common: headache, constipation, dizziness, fatigue. Serious: QT prolongation and a dangerous heart rhythm, particularly with higher IV doses or other QT-prolonging drugs; serotonin syndrome when combined with other serotonergic drugs, which can cause agitation, tremor, fever and rigid muscles (Boyer & Shannon, 2005); rare allergic reactions.
Monitoring After the Dose
Nausea and vomiting at [30] to [60] minutes; bowel movements, since constipation is common after surgery and with opioids; dizziness when she stands; heart rhythm on a monitor if she has risk factors.
Interactions
Other QT-prolonging drugs, such as some antibiotics and antipsychotics; serotonergic drugs, such as SSRIs, SNRIs, tramadol and some migraine medicines; apomorphine, a drug with which it should not be combined.
Patient Teaching
"This medicine helps with nausea. It can cause a headache or constipation. Tell your nurse if your heart feels like it is racing or skipping, or if you feel faint. Drink fluids and walk when you can to help prevent constipation."
Why the Card Is Built This Way
The layout puts the nurse's actions at the center. The mechanism is short because its job is to explain the effects and risks that follow. Every later card in the course will use the same boxes, so the habit of checking the medication list for interactions, which this drug teaches well, becomes routine for every drug.
References
Boyer, E. W., & Shannon, M. (2005). The serotonin syndrome. The New England Journal of Medicine, 352(11), 1112-1120. https://doi.org/10.1056/NEJMra041867
Burchum, J. R., & Rosenthal, L. D. (2022). Lehne's pharmacology for nursing care (11th ed.). Elsevier.
Freedman, S. B., Adler, M., Seshadri, R., & Powell, E. C. (2006). Oral ondansetron for gastroenteritis in a pediatric emergency department. The New England Journal of Medicine, 354(16), 1698-1705. https://doi.org/10.1056/NEJMoa055119
NU141 Unit 2 instructions, in plain terms
Unit 2 usually asks for the first drug card of the course, which sets the layout used for every drug class that follows. Prompts commonly want the generic name and class, mechanism, indications, usual dose, nursing checks before giving, adverse effects, monitoring, interactions and patient teaching, often on a single page. Faculty grade on balance: the mechanism should be brief and accurate, while most of the space goes to what the nurse checks, watches for and teaches. Checks should come with reasons, interactions should be grouped so a nurse can scan a medication list for them, and teaching should be in words a patient would understand. The template's design matters because the habits it builds repeat all term.
How the NU 141 Unit 2 example is put together
The card opens with the generic name, class and routes, then two sentences on how serotonin release triggers vomiting and how blocking its receptors interrupts the signal. Uses include a trial in children with gastroenteritis. The order section places the drug with a composite patient after laparoscopic gallbladder surgery. Four pre-dose checks follow, with the highlighted line on the medication list as the most important check. Adverse effects separate common from serious, citing a review of serotonin syndrome. Monitoring is timed to the drug's onset. Interactions are grouped into QT-prolonging and serotonergic drugs. Patient teaching and a short rationale for the card's design close it. A margin note marks why monitoring is timed to onset.
Reading the NU141 Unit 2 grading rubric
Drug cards in NU 141 tend to earn points for accuracy, nursing focus, safety content, and teaching. Accuracy covers class, mechanism and typical dosing. Nursing focus is weighted heavily and rewards cards where most of the space goes to checks, monitoring and teaching rather than pharmacology. Safety content earns credit when serious adverse effects and interactions are identified with what to look for, not only named. Teaching points go to plain, specific language the patient can act on. Because the first card becomes a template, a clean, consistent layout is often noticed, and sources cited in APA 7 support the clinical claims made on the card. Cards that a nurse could use at the bedside without a second reference meet the goal.
Common NU141 Unit 2 mistakes, and how to avoid them
First drug cards often copy a full page of mechanism and pharmacokinetics from a reference and leave a line for nursing actions, which reverses the priority graders want. Another frequent problem is listing twenty side effects with no indication of which are serious. Some cards name interactions without saying what the risk is. Teaching sections sometimes use terms like QT interval that patients will not understand. Keep the mechanism to two sentences, give each pre-dose check a reason, separate common from serious effects, group interactions by the problem they cause, write teaching as you would say it, and design the layout so it works for every drug that follows.
Get an NU141 Unit 2 example written to your instructions
The card template posted in your Unit 2 section governs the order of boxes, so attach it with the rubric and the assigned drug or class. Every box gets filled in that order. A first custom sample costs nothing here, typically arriving in 24-48h, and it gives later cards a pattern to copy. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
More NU141 papers and BSN samples
- NU141 Unit 1: Discussion Board Post
- NU141 Unit 3: Dosage Calculation Set
- NU141 Unit 4: Drug Card
- NU141 Unit 5: Case Study Analysis
- NU141 Unit 6: Patient Education Handout
- NU141 Unit 7: Seminar Reflection
- NU141 Unit 8: Medication Error Analysis
- NU141 Unit 9: Drug Class Comparison
- NU141 Unit 10: Final Medication Case Study
- NU140CL Unit 2: Clinical Prep Sheet
- NU140 Unit 2: Skills Documentation
- NU108 Unit 2: Role Profile
- NU104 Unit 2: Concept Map
NU141 Unit 2 questions, answered
Where can I find a free NU141 Unit 2 sample paper?
You can read the complete NU141 Unit 2 drug card for ondansetron here, with mechanism, uses, pre-dose checks, adverse effects, monitoring, interactions and teaching, with three references. Send us the drug your section assigned and we can build a card in the same layout.
How does ondansetron work?
It blocks serotonin 5-HT3 receptors on nerve endings in the gut and in the brain area that triggers vomiting, interrupting the signal released when surgery, chemotherapy or infection irritates the gut lining.
What should be checked before giving ondansetron?
Nausea severity, allergies, the medication list for other drugs that prolong the QT interval or raise serotonin, and recent potassium and magnesium, since low levels add to heart rhythm risk.
What are serious side effects of ondansetron?
QT prolongation and dangerous heart rhythms, especially with other QT-prolonging drugs or high IV doses, and serotonin syndrome when combined with other serotonergic drugs. Headache and constipation are common but milder.
Why keep the mechanism to two sentences on a drug card?
The mechanism's job is to explain the effects and risks that follow. Graders want most of the card spent on what the nurse checks, monitors and teaches, since those actions keep patients safe.