Ventilator allocation ethics debate

Open your materials, follow the steps, then turn in your work.

Debate how scarce ventilators should be allocated during a respiratory crisis.

2. Start the work

Read a short scenario on a ventilator shortage.

Show all 5 required steps
  1. Read a short scenario on a ventilator shortage.
  2. Form groups representing hospital triage teams.
  3. List two ethical criteria for allocating ventilators.
  4. Respond to one opposing group's criterion.
  5. Write your position with one supporting reason.

Lost your place? Lost your place? Find the ventilator-shortage scenario, then in your notes list your two allocation criteria (step 3), write your one reply to another group's criterion (step 4), and finish with your position plus one reason (step 5).

Check your work before submitting

  • Each student defends an allocation criterion.
  • Groups identify one tradeoff in triage decisions.

3. Turn in your work

DueCheck Schoology
Hand in
Written position on ventilator allocation, citing one ethical criterion and naming one genuine tradeoff in triage decisions.
How to submit and name your file

Use the submission route shown on today's today's page.

In Schoology, open your course and the assignment for this lesson. Attach your file, select Submit, and check that it appears in the submission.

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Assignment: Wk14 Exit ticket: Ventilator allocation ethics debate

Link will not open? Open Schoology, choose your section, and find the assignment title above.

How this lesson connects

Keep using what you learned last class: 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. Today: 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.

Unit 3 guide: what to keep and use next
Optional: listen or watch a unit review
Optional unit study notebook
The respiratory system: breathing mechanics and gas exchange in the lungs.
Open the notebook
Optional review video
Audio overviewVideo overviewMind mapStudy guideFlashcardsQuizData table
Need help? Warm-up, timing, and directions

💡 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.

  1. 0-8Read the ventilator shortage scenario; assign team roles
  2. 8-22Group prep: list 2 ethical allocation criteria from your team's perspective
  3. 22-40Debate round 1: each group presents its strongest criterion
  4. 40-55Challenge round: each group responds to one opposing criterion
  5. 55-70Individual writing: position with one supporting reason
  6. 70-80Share and submit exit ticket
Mr. Mendoza's 5-minute intro
  • 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.
Know by the end
  • 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.

PLTW connection and today's work

Open Activity 3.1.4 We Be-lung Together (Lesson 3.1 Cardiopulmonary Connection) in myPLTW and complete the ethics or debate reflection prompt for today's ventilator-allocation activity.

Today's stopping point: 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.

PLTW activity titles identify the course connection. If your account will not open, use the posted materials for today and tell Mr. Mendoza. Do not mark an online activity complete unless you completed it.

Course connection

  • Activity 3.1.4 We Be-lung Together

Use the turn-in directions at the top of this page. Do not create a second submission unless your teacher asks for one.

Show another explanation or a smaller first step

Need help? Choose a starting point

Need a running start
Warm up by picturing a patient who is fully awake but whose lungs cannot move enough air on their own; that is who a ventilator is for. Once that patient is real to you, the question of who gets the last machine has real weight.
On track
State two allocation criteria (for example expected survival and functional status), then defend them against one objection a family might raise. Strong work names a criterion AND the reason it is fair, not just the criterion.
Stuck? Get unstuck
If you are catching up, pick just ONE criterion, write the patient it favors and the patient it turns away, and one sentence on why you can live with that trade. One defended criterion beats a list you cannot explain.
Push me further
Argue the hardest case: two patients with identical survival odds, one age 20 and one age 70. Should age break the tie? Take a side and answer the strongest objection to your own view.
Lesson resources: reading, slides, and vocabulary
Socratic teaching slide deck

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.

Carry forward

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.

Daily take-home

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.

Inspect the analogy

A review board sorts scientific evidence, stakeholder needs, possible benefits, possible burdens, and uncertainty before choosing a policy.

  1. Which statements are scientific evidence?
  2. Which statements express a value or priority?
  3. Who receives the benefit and who carries the burden?
Rule

Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.

Where it breaks

A review-board model organizes reasoning but does not make one ethical principle automatically outweigh every other principle.

Map the analogy to biology
  • Evidence cards map to source-backed findings.
  • Stakeholder cards map to affected people and priorities.
  • The recommendation maps to an explicit tradeoff with a named uncertainty.
Read this first

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.

  1. Observe or measure the relevant feature in ventilator allocation ethics debate.
  2. Organize the observation with a stable evidence ID.
  3. Apply this rule: Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.
  4. 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.

Vocabulary:
  • : 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.

Evidence set and decision
E1 · Source fact

A defensible biomedical decision separates scientific evidence from value judgments, identifies who may benefit or be burdened, and states the uncertainty and tradeoffs that remain.

Limit: Scientific evidence can inform the options and likely consequences, but it cannot choose a single value-neutral answer.

E2 · Teaching model

Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.

Limit: A review-board model organizes reasoning but does not make one ethical principle automatically outweigh every other principle.

E3 · Task criterion

Each student defends an allocation criterion.

Limit: E3 defines the classroom product or success criterion. It is not independent scientific evidence and cannot justify a 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 today's page.

  • Connect the first eight patients who arrived, because arrival order treats everyone the same and plays no favorites.
  • Ask for each patient's likelihood of surviving with a ventilator first, since criteria cannot rank twelve people without it.
  • Set written priority criteria tonight and defend them aloud to the four families, naming the tradeoff you accepted.

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: Today's evidence supports a classroom claim about ventilator allocation ethics debate. It cannot prove causation, diagnose a real patient, or justify action outside this room.

Composite case file · PLTW-HAP-2027-04-23

Reason for review: Your team must decide what the evidence from ventilator allocation ethics debate supports before submitting the exit response named on today's 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.

Timeline:
  • 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.
Evidence records:
  • E1: A defensible biomedical decision separates scientific evidence from value judgments, identifies who may benefit or be burdened, and states the uncertainty and tradeoffs that remain.
  • E2: Use science to estimate consequences, then state the value judgment and tradeoff that determine the decision.
  • 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.

Math moment
Formula or setup

Rate or percent = part / comparison total x 100%. Percent change = (new - comparison) / comparison x 100%.

Worked parallel example

If 18 of 60 records meet a condition, the frequency is 18 / 60 x 100% = 30%.

Units and reasonableness

Name the comparison total. A percent describes the supplied group and does not automatically predict an individual's outcome.

Try it with today's data

Use today's supplied counts to calculate one rate, risk, frequency, or percent change. Show the denominator and interpretation.

Design record
Criteria
  • 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.
Constraints
  • 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.
Tradeoff weights
  • 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.

Iteration log
  1. Version or option tested
  2. Criterion met or missed
  3. Evidence ID and result
  4. Revision made
  5. Reason for the revision
Decision record
  1. Need and user
  2. Criteria and constraints
  3. Chosen option and evidence
  4. Test result
  5. Revision and reason
Watch the trap

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.

Worked example · a parallel case (guides, does not reveal)
Worked CER on a parallel case (donor kidney allocation)
Completes: 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.

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.

Why this matters

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.

Build yours step by step
  1. Name the prompt or task.
  2. Answer it directly with the key evidence.
  3. Check that the response matches the requested format.
Change it for a new task

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.

See the full worked example
Portal terms
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.
This unit's vocabulary
/spy-ROM-ih-tree/

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.

Build your vocabulary · optional, for extra credit

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.

alveolus
gas exchange
tidal volume
vital capacity
spirometry
oxygen saturation

Saved on this device. Show Mr. Mendoza or add these to your notebook glossary to claim the extra credit.

Resources & readings

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).

Unit notebook (fillable)

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 recordsOpen
Resources & readings

Vetted 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.

Practice: try a question, then check your answer

Claim ceiling for this check: Today's evidence supports a classroom claim about ventilator allocation ethics debate. It cannot prove causation, diagnose a real patient, or justify action outside this room.

Quick self-check · commit, then reveal

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.

How sure are you?

Write an answer and pick a confidence to unlock the key.

Cumulative WebXam review · flash practice

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.

Tap an answer to check it · nothing is recorded or graded
[Review: Everything Endocrine: hormones, feedback loops, and the blood-sugar model] Which gland releases glucagon when blood sugar falls too low?
[Review: Research Model: model organisms, C. elegans, and reading the literature] Increasing the sample size in a study generally:
[Review: Cardiopulmonary Connection: heart structure and reading an EKG] Blood pressure is typically reported as two numbers representing:
Gas exchange between air and blood in the lungs takes place in the:
Missed class or ready for more?
🔬 Pre-lab simulations · 2 for this lesson

Run this before you touch the bench. It is built from the real lab procedure, so the decisions you make here are the ones you will make with the equipment in your hands. This lesson has more than one, and they cover different skills.

What a Normal Breathing Test Cannot Tell You
Open the simulation →
Heart-Lung Pluck: Thoracic Anatomy in Situ
Open the simulation →
Where this leads: careers
What to do if you were absent
Today was a debate: do this instead

Debate whether ventilator allocation should weigh survival odds over first-come order; record two points per side.

Use the submission route shown on today's today's page.

If MR. MENDOZA is absent

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 tests
Optional extra credit (async)

You'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
How this is graded
For: Exit ticket: Written position on ventilator allocation, citing one ethical criterion and naming one genuine tradeoff in triage decisions.
  • Complete
    Every required part of the artifact is present, nothing left blank.
  • Accurate
    The science and the data are correct and match the evidence.
  • Scientific reasoning
    You explain your claim with evidence and reasoning (CER), not just an answer.
  • Professional communication
    Clear, organized, labeled, and written the way a clinician or scientist would.
  • Submitted
    Go to Schoology to turn this in. Submit one PDF. Put your first and last name in the document header. Name the file: FirstName LastName - Assignment Title - YYYY-MM-DD.pdf. If you cannot get in, see Mr. Mendoza. Do not skip the work.