Ventilator allocation ethics debate
Do now
Students will debate how scarce ventilators should be allocated during a respiratory crisis.
- Hand in
- Written position on ventilator allocation, citing one ethical criterion and naming one genuine tradeoff in triage decisions.
- 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.
A Cleveland hospital has 8 ventilators and 12 patients who will die without one tonight. Which criteria decide who gets connected, and can you defend your criteria to the four families you turned away?
Students will debate how scarce ventilators should be allocated during a respiratory crisis.
- • Each student defends an allocation criterion.
- • Groups identify one tradeoff in decisions.
- In one sentence, what does a ventilator actually do for a patient who cannot breathe on their own?
- If a hospital has fewer ventilators than dying patients, name one fact about a patient you would want to know before deciding who gets one.
- 1Read a short scenario on a ventilator shortage.
- 2Form groups representing hospital teams.
- 3List two ethical criteria for allocating ventilators.
- 4Respond to one opposing group's criterion.
- 5Write your position with one supporting reason.
What did this day actually feel like?
Ventilator allocation ethics debate
ETHICS DAY The same shape as the transplant question and somehow heavier, because a ventilator decision happens in hours rather than months.
Somebody asked whether you can ever take a ventilator from a patient already on it to give to someone more likely to survive. The room went silent. That is a genuinely different question from who gets the next one and I had not separated them before.
AT HOME, THE NIGHT BEFORE TUE APR 27 Alveoli and gas exchange Oxygen in, carbon dioxide out, both moving by diffusion down their own gradients across a membrane about half a micrometer thick, two flattened cells and their shared basement membrane.
No pump, no energy spent on the exchange itself. The whole system exists to maximize surface area and then get out of the way.
Turned in: annotated gas exchange diagram → 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.

The same shape as the transplant question and somehow heavier, because a ventilator decision happens in hours rather than months.
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
🔑 Today's words · 5
Tap a word in the lesson for a plain meaning and one example. Recycled into next week's Do-Now.
Do the work · 80-minute blockfirst 5 min = hook▸
💡 Big idea: Because life-support machines are finite, hospitals must set explicit priority rules in advance, so that who receives care is decided by defended criteria rather than by chance or bias.
- 0-8Read the ventilator shortage scenario; assign team roles
- 8-22Group prep: list 2 ethical allocation criteria from your team's perspective
- 22-40Debate round 1: each group presents its strongest criterion
- 40-55Challenge round: each group responds to one opposing criterion
- 55-70Individual writing: position with one supporting reason
- 70-80Share and submit exit ticket
- • During a pandemic surge, hospitals ran out of ventilators and had to decide who would receive the last one.
- • Today you are on the team making that call.
- • There is no answer that feels good, but your reasoning must be principled and consistent.
- • Leave with a written position backed by at least one ethical argument.
- • Ventilators provide mechanical breathing support to patients who cannot breathe independently.
- • frameworks used during crises may include expected survival, age, and functional status.
- • The ethics of crisis standards of care connect to pathophysiology and content on the WebXam.
Unit 3.1 Gas Exchange: Respiratory anatomy, sheep pluck or virtual alternative, lung volumes, spirometry, expedition clearance. · Ventilator allocation ethics 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: Continue in Lesson 3.1 Cardiopulmonary Connection on myPLTW and complete the ethics or debate reflection prompt for today's ventilator-allocation activity.
Mark the activity complete in myPLTW after submitting your ventilator-allocation exit ticket.
You completed the cardio portion of Lesson 3.1 last week; this week covers respiratory content within the same lesson, and the task should be checked off today.
Note or screenshot of completion status for your tracker.
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.
Unit 3.1 Gas Exchange: Respiratory anatomy, sheep pluck or virtual alternative, lung volumes, spirometry, expedition clearance. · Ventilator allocation ethics debate
Continue in Lesson 3.1 Cardiopulmonary Connection on myPLTW and complete the ethics or debate reflection prompt for today's ventilator-allocation activity.
You completed the cardio portion of Lesson 3.1 last week; this week covers respiratory content within the same lesson, and the task should be checked off today.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Students will debate how scarce ventilators should be allocated during a respiratory crisis.
- Read a short scenario on a ventilator shortage.
- Form groups representing hospital teams.
- List two ethical criteria for allocating ventilators.
- Respond to one opposing group's criterion.
- Write your position with one supporting reason.
Exit ticket: Written position on ventilator allocation, citing one ethical criterion and naming one genuine tradeoff in decisions.
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 a short scenario on a ventilator shortage. | _______ |
| Form groups representing hospital teams. | _______ |
| List two ethical criteria for allocating ventilators. | _______ |
| Respond to one opposing group's criterion. | _______ |
| Write your position with one supporting reason. | _______ |
Working solo? Put your own name in "Who" for every row.
- Each student defends an allocation criterion.
- Groups identify one tradeoff in decisions.
- 1Do thisStudents will debate how scarce ventilators should be allocated during a respiratory crisis.
- 2Use this resource
- 3Submit thisExit ticket: Written position on ventilator allocation, citing one ethical criterion and naming one genuine tradeoff in triage decisions.
- 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. Human Anatomy & Physiology (Human Body Systems) › Unit 3.1 Gas Exchange: Respiratory anatomy, sheep pluck or virtual alternative, lung volumes, spirometry, expedition clearance. › 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.
Normal ranges exist because healthy hearts cluster around them, so a measurement outside the range signals a specific mechanism gone wrong, which is exactly what a CER's reasoning has to name.
Because life-support machines are finite, hospitals must set explicit priority rules in advance, so that who receives care is decided by defended criteria rather than by chance or bias.
A bridge prototype is tested against a load limit, cost limit, and user need before revision.
- Which requirement is a criterion?
- Which limit is a constraint?
- What test result should trigger a redesign?
A design improves when evidence is compared with explicit criteria and constraints.
Biomedical designs also require , ethics, and biological validation beyond a physical prototype test.
- • Bridge requirements map to design criteria.
- • Load results map to E1-E3.
- • Revision maps to the next evidence-based iteration.
Driving question: A Cleveland hospital has 8 ventilators and 12 patients who will die without one tonight. Which criteria decide who gets connected, and can you defend your criteria to the four families you turned away?
What you already know: Normal ranges exist because healthy hearts cluster around them, so a measurement outside the range signals a specific mechanism gone wrong, which is exactly what a CER's reasoning has to name.
New idea: Because life-support machines are finite, hospitals must set explicit priority rules in advance, so that who receives care is decided by defended criteria rather than by chance or bias.
Visual or model: F1. F1. A lesson illustration or teaching diagram for Ventilator allocation ethics debate. Use it with E1-E3; it is a model or context image, not experimental or patient data. What to notice: Trace the labeled structure, movement, or system relationship that connects form to function.
- Observe or measure the relevant feature in Ventilator allocation ethics debate.
- Organize the observation with a stable evidence ID.
- Apply this rule: A design improves when evidence is compared with explicit criteria and constraints.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: A Cleveland hospital has 8 ventilators and 12 patients who will die without one tonight. Which criteria decide who gets connected, and can you defend your criteria to the four families you turned away?
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.
- • : A tiny air sac at the end of an airway in the lung where oxygen enters the blood and carbon dioxide leaves it across a thin wall.
- • : The swapping of oxygen and carbon dioxide between air in the lungs and blood in the capillaries, driven by differences in gas concentration.
- • : The amount of air moved in or out of the lungs in one normal breath at rest, about 500 milliliters in an average adult.
- • : The largest amount of air a person can breathe out after taking the deepest possible breath in, measured to assess lung function.
- • : A breathing test that measures how much air a person can move in and out of the lungs and how fast, used to assess lung function.
- • : The percentage of in the blood that is carrying oxygen, normally about 95 to 100 percent in healthy people.
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.
Ventilators provide mechanical breathing support to patients who cannot breathe independently.
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
Because life-support machines are finite, hospitals must set explicit priority rules in advance, so that who receives care is decided by defended criteria rather than by chance or bias.
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
Each student defends an allocation criterion.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-HAP-2027-04-23 · Simulated classroom evidence scenario
Your role: anatomy and physiology consultant
Decision: Your team must decide what the evidence from Ventilator allocation ethics 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 Ventilator allocation ethics 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 Ventilator allocation ethics debate supports before submitting the exit response named on the lesson page.
Context: Medicine runs on limited resources, so who gets treated first is never a purely medical question; it is an ethical choice that someone has to defend out loud.
- • T1: Read a short scenario on a ventilator shortage.
- • T2: Form groups representing hospital teams.
- • T3: List two ethical criteria for allocating ventilators.
- • T4: Respond to one opposing group's criterion.
- • T5: Write your position with one supporting reason.
- • E1: Ventilators provide mechanical breathing support to patients who cannot breathe independently.
- • E2: Because life-support machines are finite, hospitals must set explicit priority rules in advance, so that who receives care is decided by defended criteria rather than by chance or bias.
- • E3: Each student defends an allocation criterion.
Measurements: Use only the measurements, units, graph, or counts supplied in today's task. No additional patient measurement is implied.
Figure finding: Teaching diagram for Ventilator allocation ethics debate. Trace the labeled structure, movement, or system relationship that connects form to function. 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.
Rate or percent = part / comparison total x 100%. Percent change = (new - comparison) / comparison x 100%.
If 18 of 60 records meet a condition, the frequency is 18 / 60 x 100% = 30%.
Name the comparison total. A percent describes the supplied group and does not automatically predict an individual's outcome.
Use today's supplied counts to calculate one rate, risk, frequency, or percent change. Show the denominator and interpretation.
- • The solution must address the stated need in Ventilator allocation ethics debate.
- • The decision must be supported by E1-E3.
- • The final product must make the success criteria visible.
- • Complete the work inside the 80-minute block.
- • Use only supplied or teacher-approved materials and evidence.
- • Do not trade , accessibility, or privacy for speed.
- • and evidence quality: must pass before scoring other criteria.
- • User need and effectiveness: highest scored criterion.
- • Time, cost, and ease of use: compare only after and effectiveness pass.
Test evidence: For each option, record the E1-E3 result that supports or fails each criterion. Do not assign a score without a named observation.
- Version or option tested
- Criterion met or missed
- Evidence ID and result
- Revision made
- Reason for the revision
- Need and user
- Criteria and constraints
- Chosen option and evidence
- Test result
- Revision and reason
Students often think Students often assume the fair answer is always 'first come, first served,' as if arrival time is neutral and therefore just.. The trap: First-come-first-served is not neutral, because it quietly rewards whoever had a car, insurance, or a nearby hospital, and it ignores who is most likely to survive; crisis frameworks exist precisely so the choice is defended by criteria, not by luck of arrival.
Parallel case (NOT tonight's prompt): A transplant center has one donated kidney available and three patients on the waiting list who are all medical matches. Using the same position format we will use tonight, here is a worked model on a different scarce-resource problem so you can see the structure, not the answer.
My position: When one donor kidney must go to one of several matched patients, I would allocate it primarily by expected graft survival, meaning how many years the transplanted kidney is likely to keep working in that patient.
Ethical criterion: Expected benefit from the organ, because a donated kidney is a rare and non-renewable gift, and directing it to the patient who is likely to keep it functioning longest produces the most total years of healthy life from that single organ.
Tradeoff I acknowledge: This criterion can push older patients or patients with other health problems lower on the list, even though their need may be just as urgent and their lives just as valuable. Choosing the patient with the best long-term outcome can therefore feel like ranking people by how useful their bodies are rather than by fairness or by who has waited longest. That tension between getting the most benefit from a scarce organ and treating every waiting patient as an equal is the hardest part of allocation.
This model shows the level of evidence and organization needed to complete: Parallel model of the crisis-ethics debate target: a written position on a different scarce-resource allocation problem (donor kidney transplant lists), citing one ethical criterion and naming one genuine tradeoff, so students can see the CER format and depth without seeing tonight's ventilator answer.
- 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: Record two points for each side of the triage-team debate before you submit.
- 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.
Tap the speaker to hear a term. Add two of these to your notebook glossary with a definition and an example in your own words.
Pick just 2 or 3 words from today and make them yours: write what each one means in your own words, name the context clue or evidence that helped, then give one example from what you actually did in Ventilator allocation ethics debate. Try your own words first; the glossary is there if you get stuck. This is voluntary and counts as extra credit, so keep it short.
Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.
Hand-picked readings, videos, and interactives for this lesson, all free and from authoritative open organizations (NIH, CDC, OpenStax, Khan Academy, PhET, HHMI, and more).
A fillable, Cornell-style notebook for Unit 3: Adventure Awaits. Type your notes, cues, and summaries right in the PDF, or print it and write by hand. Each lesson page has a cue column, a notes column, and a summary box, plus dated lab-record pages you can turn in.
HBS Unit 3 notebook: Adventure Awaits Fillable PDFCornell notes + lab recordsOpenVetted readings and references for this unit. Use them to prepare, to catch up if you were absent, or to go deeper on today's target.
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 Ventilator allocation ethics debate. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
A triage team proposes 'give the ventilator to whoever is most likely to survive the illness.' Name one strength and one real danger of that single criterion.
Write an answer and pick a confidence to unlock the key.
Fast retrieval with instant answers, not the commit-then-reveal check above. Try each from memory first: write what you remember about the earlier units, then check yourself here.
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.
Debate whether ventilator allocation should weigh survival odds over first-come order; record two points per side.
Then 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: Pulmonary function testsYou'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.

