Organ-allocation debate
Do now
Argue how a limited supply of donor organs should be allocated among waiting patients.
- Hand in
- Written final stance with one-sentence reason, plus a one-sentence rebuttal to the competing stakeholder.
- Where
- Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.
You get two school days for every day you were absent, so this deadline moves with you.
Argue how a limited supply of donor organs should be allocated among waiting patients.
Argue how a limited supply of donor organs should be allocated among waiting patients.
- • You'll be able to name the factors used to allocate scarce donor organs.
- • You'll be able to defend an allocation priority and answer an objection.
- What do you already know about Organ-allocation debate?
- What would you need to find out to answer today's question?
- 1Read the organ-allocation briefing in the PLTW course shell and list the factors used to rank patients.
- 2Pick a stakeholder role: patient, surgeon, ethicist, or transplant board member, and write your opening claim.
- 3Defend one allocation factor such as urgency, match quality, or wait time using one piece of evidence.
- 4Write a rebuttal to a factor a classmate role would prioritize over yours.
- 5Record the class consensus ranking and your personal stance with a reason.
What did this day actually feel like?
Organ-allocation debate
ETHICS DAY Who gets the organ. Sickest first, best match, longest waiting, most likely to survive.
Third allocation debate this course and my position has moved every time. There is no ordering without a bad case attached.
AT HOME, THE NIGHT BEFORE THU NOV 19 Recombinant DNA flow Putting a human gene into bacteria and having them manufacture the protein. That is where insulin comes from now.
The idea that you can hand a gene to an organism that has never had it and it just reads it is genuinely strange when you stop to think about it.
Turned in: notebook → Lab Notebooks folder
Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.
The same day, drawn.

Who gets the organ. Sickest first, best match, longest waiting, most likely to survive.
Fiction. There is no such student. The lessons, labs and dates are the real planned course; the student, the classmates and the conversations are invented.
🛠 Get unstuck · pick your level
Do the work · 80-minute blockfirst 5 min = hook▸
💡 Big idea: Organ scarcity forces explicit ethical trade-offs between competing values: fairness, urgency, and outcome likelihood.
- 0-8Read allocation briefing; list ranking factors silently
- 8-15Choose stakeholder role; write opening claim
- 15-30Build evidence for your chosen factor
- 30-50Pair debate: swap claims, write rebuttal
- 50-65Class consensus vote and discussion
- 65-80Record final stance with reason; async post if remote
- • There are far more patients who need organs than organs available.
- • Someone has to decide who gets one, and that decision is both medical and ethical.
- • Today you will role-play four stakeholders who each think differently about who should be first.
- • This connects directly to the Biotech Research and Lab SOPs emphasis areas of the 072130 WebXam.
- • Allocation systems weigh HLA compatibility, medical urgency, and time on the waiting list.
- • No single factor dominates; every ranking embeds a value judgment.
- • The transplant board must be able to defend its decision to all stakeholders.
When Organs Fail: Unit 4 Overview and Final Closeout · Organ-allocation debate
Day 1 of this lesson. Open this exact section in myPLTW (find it in Clever, Microsoft sign-in), then do the work below.
Do this: Open the organ-allocation debate activity in myPLTW for Unit 4 How to Prevail When Organs Fail, Lesson 4.3 Transplant, Activity 4.3.1 Who Should Receive the Organ, and review the CER rubric.
Mark the organ-allocation debate entry complete and attach your stance note.
-treatment recommendation memo should be submitted; this debate opens Unit 4 reserve content.
Written stance and rebuttal counted as one tracker evidence item.
The official PLTW activity stays inside myPLTW. If myPLTW will not open, use F1 and E1-E3 on this page to complete today's local evidence decision, then make up the official activity when access returns. Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.
Check things off as you work, then submit. This tells Mr. Mendoza how you're doing so he can help the class. It does not replace turning in your producible through the submission route shown below.
Use the code Mr. Mendoza gave you, not your name. Saved on this device.
When Organs Fail: Unit 4 Overview and Final Closeout · Organ-allocation debate
Open the organ-allocation debate activity in myPLTW for Unit 4 How to Prevail When Organs Fail, Lesson 4.3 Transplant, Activity 4.3.1 Who Should Receive the Organ, and review the CER rubric.
-treatment recommendation memo should be submitted; this debate opens Unit 4 reserve content.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Argue how a limited supply of donor organs should be allocated among waiting patients.
- Read the organ-allocation briefing in the PLTW course shell and list the factors used to rank patients.
- Pick a stakeholder role: patient, surgeon, ethicist, or transplant board member, and write your opening claim.
- Defend one allocation factor such as urgency, match quality, or wait time using one piece of evidence.
- Write a rebuttal to a factor a classmate role would prioritize over yours.
- Record the class consensus ranking and your personal stance with a reason.
Exit ticket: Written final stance with one-sentence reason, plus a one-sentence rebuttal to the competing stakeholder.
Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Use the checklist just below and upload by 11:29 PM for full credit. Absent with an excused absence? You get two school days for every day you were absent, so this deadline moves with you.
| Task | Who |
|---|---|
| Read the organ-allocation briefing in the PLTW course shell and list the factors used to rank patients. | _______ |
| Pick a stakeholder role: patient, surgeon, ethicist, or transplant board member, and write your opening claim. | _______ |
| Defend one allocation factor such as urgency, match quality, or wait time using one piece of evidence. | _______ |
| Write a rebuttal to a factor a classmate role would prioritize over yours. | _______ |
| Record the class consensus ranking and your personal stance with a reason. | _______ |
Working solo? Put your own name in "Who" for every row.
- You'll be able to name the factors used to allocate scarce donor organs.
- You'll be able to defend an allocation priority and answer an objection.
- 1Do thisArgue how a limited supply of donor organs should be allocated among waiting patients.
- 2Use this resource
- 3Submit thisExit ticket: Written final stance with one-sentence reason, plus a one-sentence rebuttal to the competing stakeholder.
- 4Submit it here
- 1Open the drop folder.
- 2Sign in with your district Microsoft account, not a personal one.
- 3Upload the file, named Lastname_Firstname__Assignment Title.
- 4Your own upload panel says Uploaded with a green check: that is your receipt.
Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not. Genetics of Disease (Medical Interventions) › When Organs Fail: Unit 4 Overview and Final Closeout › Exit ticketOpen the drop folder
Learn it · deck, reading, and vocabulary▸
The deck carries the prior idea forward, lets you inspect an analogy, maps the rule to biology, and ends with the same evidence decision and exit ticket used on this page.
Generated from this lesson's canonical data with a red-team citation check.
A defensible treatment recommendation integrates diagnostic data, mechanism knowledge, and realistic outcome expectations.
Organ scarcity forces explicit ethical trade-offs between competing values: fairness, urgency, and outcome likelihood.
A mechanic studies a tool whose shape allows one job but limits another.
- Which feature makes the tool work?
- What changes if that feature bends or breaks?
- Which observation shows function rather than appearance?
Structure creates possibilities and limits for function.
Living tissues adapt and interact with other systems; a metal tool does not.
- • Tool shape maps to .
- • The job maps to physiological function.
- • Damage maps to a predicted functional change.
Driving question: Argue how a limited supply of donor organs should be allocated among waiting patients.
What you already know: A defensible treatment recommendation integrates diagnostic data, mechanism knowledge, and realistic outcome expectations.
New idea: Organ scarcity forces explicit ethical trade-offs between competing values: fairness, urgency, and outcome likelihood.
Visual or model: F1. F1. A lesson illustration or teaching diagram for Organ-allocation debate. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision.
- Observe or measure the relevant feature in Organ-allocation debate.
- Organize the observation with a stable evidence ID.
- Apply this rule: Structure creates possibilities and limits for function.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: Argue how a limited supply of donor organs should be allocated among waiting patients.
What the evidence supports: E1-E3 and F1 support the daily take-home when the response meets the stated success criteria.
What it cannot prove: The package does not support claims beyond this lesson's or any real patient diagnosis.
Use it now: Choose one decision option. Cite E1 and E3, then explain how the rule connects the evidence to your choice.
Go further, optional: The source links below are optional enrichment. Every fact required for today's local evidence decision appears in this lesson package.
Allocation systems weigh HLA compatibility, medical urgency, and time on the waiting list.
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
Organ scarcity forces explicit ethical trade-offs between competing values: fairness, urgency, and outcome likelihood.
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
You'll be able to name the factors used to allocate scarce donor organs.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-GEND-2026-11-18 · Simulated classroom evidence scenario
Your role: medical interventions team member
Decision: Your team must decide what the evidence from Organ-allocation debate supports before submitting the exit response named on the lesson page.
- • Select the option best supported by E1-E3.
- • Select a reasonable alternative and name the evidence it would require.
- • Delay the claim because the evidence does not distinguish the options.
Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the exit response.
Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Organ-allocation debate. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
Reason for review: Your team must decide what the evidence from Organ-allocation debate supports before submitting the exit response named on the lesson page.
Context: Argue how a limited supply of donor organs should be allocated among waiting patients.
- • T1: Read the organ-allocation briefing in the PLTW course shell and list the factors used to rank patients.
- • T2: Pick a stakeholder role: patient, surgeon, ethicist, or transplant board member, and write your opening claim.
- • T3: Defend one allocation factor such as urgency, match quality, or wait time using one piece of evidence.
- • T4: Write a rebuttal to a factor a classmate role would prioritize over yours.
- • T5: Record the class consensus ranking and your personal stance with a reason.
- • E1: Allocation systems weigh HLA compatibility, medical urgency, and time on the waiting list.
- • E2: Organ scarcity forces explicit ethical trade-offs between competing values: fairness, urgency, and outcome likelihood.
- • E3: You'll be able to name the factors used to allocate scarce donor organs.
Measurements: No patient measurement is supplied unless it appears explicitly in E1-E3 or F1. Do not invent a value.
Figure finding: Teaching diagram for Organ-allocation debate. Trace the labeled testing, treatment, or biological process and identify where evidence limits the decision. This is a teaching model, not patient or experimental data.
Uncertainty: This is a composite classroom scenario. Missing history, measurements, or confirmation tests remain unknown and limit the conclusion.
Role: transplant board member.
My stance: When donor livers are scarce, I rank patients first by medical urgency measured by the MELD score, because the sickest patient without a transplant has the least time left.
- Evidence I used: In our briefing, a patient with a MELD score of 35 had an estimated 3-month mortality near 80 percent, while a patient at MELD 15 was closer to 6 percent, so urgency is where a scarce organ saves the most life.
- Rebuttal I answered: The surgeon in our group ranked match quality first to lower rejection risk. My reply: a strong HLA match does not help a patient who dies on the waiting list before the next organ arrives, so urgency has to come before match quality when the supply is this tight.
- Class consensus ranking: 1) urgency, 2) match quality, 3) wait time.
(Tip: state your factor in one clean sentence, then attach exactly one number or piece of evidence to it so your stance is not just an opinion.)
This model shows the level of evidence and organization needed to complete: Completes the organ-allocation debate exit task: a one-sentence final stance naming the allocation factor you defend with a reason, plus a one-sentence rebuttal to the competing stakeholder.
- Name the prompt or task.
- Answer it directly with the key evidence.
- Check that the response matches the requested format.
Keep the structure. Replace the question, facts, measurements, and evidence. Then recheck units, vocabulary, and whether the conclusion goes beyond the evidence.
Also due today: Hand in your exit-ticket card, or turn it in on the class site under the Unit 4 Organ-Allocation Debate exit-ticket assignment.
- CER:
- Claim, Evidence, Reasoning: make a claim, back it with evidence, explain your reasoning.
- SOP:
- Standard Operating Procedure, the exact steps to follow (especially in a lab).
- Tracker:
- Your PLTW progress log where you record completed evidence.
- myPLTW:
- The PLTW course site where you do the online activities. Find it in Clever with your Microsoft sign-in, right next to Schoology.
Classroom documents for this lesson are posted in Schoology. Open Clever, then Schoology, and find each one by the name shown on its card.
Use this for optional reserve or extra-credit work after the required class lesson is complete.
Placement rationale
Matched Organ failure overview and by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.2_Organ-Failure; keywords:organ failure, kidney, dialysis. Score 146. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this for optional reserve or extra-credit work after the required class lesson is complete.
Placement rationale
Matched Organ failure overview and by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.2_Organ-Failure; keywords:organ failure, kidney. Score 142. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this for optional reserve or extra-credit work after the required class lesson is complete.
Placement rationale
Matched Organ failure overview and by path:Medical-Interventions/Unit-4_When-Organs-Fail/4.2_Organ-Failure; keywords:kidney, renal. Score 138. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
How to get there: open Clever and sign in with your Microsoft (district) account. Both myPLTW and Schoology are in Clever. Do the activity in myPLTW. Turn the work in on this site or hand it to Mr. Mendoza, because that is the step that counts as submitted. Schoology only shows your report-card grade later.
Check yourself · commit, then reveal▸
Claim ceiling for this check: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Organ-allocation debate. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
Go further and get help▸
What today's skills lead to. These are real health-science careers this course builds toward. Tap one to see, on the US Department of Labor's O*NET site, what the job actually involves, what it pays, and how fast it is growing.
Post a written organ-allocation argument from your stakeholder role in the course shell discussion, then reply to one classmate proposing a different priority ranking.
MedlinePlus: Organ TransplantationThen submit your Exit ticket. Turn this in at the drop folder with your district Microsoft sign-in, or hand it to Mr. Mendoza in class. Both count as submitted. Doing the activity in myPLTW does not.
Class still runs. Complete the online activity above (it's self-guided). Need the concept taught without a teacher? Use this authoritative explainer:
MedlinePlus: Organ TransplantationYou've passed Unit 2, so the optional extra-credit track is open. Complete reserved-unit work from home, including virtual labs, for extra credit. Each item shows its correct submission route.
Open the extra-credit track- CompleteEvery required part of the artifact is present, nothing left blank.
- AccurateThe science and the data are correct and match the evidence.
- Scientific reasoningYou explain your claim with evidence and reasoning (CER), not just an answer.
- Professional communicationClear, organized, labeled, and written the way a clinician or scientist would.
- SubmittedTurned in the right way, on the class site or handed to Mr. Mendoza in class, and confirmed. Not in Schoology: that is where the report-card grade appears later.

