Bioethics debate: who gets the test
Do now
Debate how a limited supply of a new diagnostic test should be distributed when not everyone can be tested.
- Hand in
- Written CER on test-allocation rule: claim, evidence, reasoning, and rebuttal addressing the strongest opposing framework.
- 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.
An outbreak is moving fast through a Cleveland neighborhood, the clinic has 50 test kits and 400 people who want one, and by Friday there could be 800. Who should be tested first, and by what rule?
Debate how a limited supply of a new diagnostic test should be distributed when not everyone can be tested.
- • You will be able to argue a fair rule for allocating scarce tests.
- • You will be able to support your rule with reasoning and evidence.
- • You will be able to rebut an opposing allocation rule.
- If a clinic had only 10 flu tests and 100 people wanted one, name one rule you could use to decide who gets tested first.
- Is the fairest choice always the one that helps the most people? Give one sentence why or why not.
- 1Read the scenario: a new test is in short supply during a fast-moving outbreak.
- 2Write your Claim: who should be tested first, and by what rule?
- 3Add one Reason and one piece of Evidence about fairness or impact.
- 4Trade claims with someone who chose a different rule and note their best point.
- 5Write a Rebuttal that answers that point.
- 6Post your CER to the discussion board and read two other rules classmates proposed.
What did this day actually feel like?
Bioethics: who gets the test
ETHICS DAY When a test is scarce, who is tested first? Symptomatic people, exposed people, essential workers, or whoever asks.
Testing the sickest finds the most disease. Testing the exposed finds it earliest. Those are different goals and the room split hard on which one a test is for.
Turned in: CER → Claim Evidence Reasoning 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 test. There are never enough, so the question is which rule for choosing you could defend to the person you turned away.
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: Every allocation rule advantages some people and excludes others, so a fair decision has to name and defend its tradeoff rather than pretend it is neutral.
- 0-10 minRead the scenario; note the three allocation frameworks (most need, most benefit, first-come) as options
- 10-25 minDraft CER: claim (which rule), one reason, one evidence sentence
- 25-40 minPartner trade: find someone with a different rule; record their strongest counterpoint
- 40-55 minWrite the rebuttal; revise your reasoning if the counterpoint exposed a gap
- 55-70 minPost CER to the discussion board
- 70-80 minRead two classmates' CERs and leave a one-sentence response to each
- • During the early COVID-19 pandemic, millions of people could not get tests even when they were sick; governments had to decide who went first.
- • How a society answers that question reveals its values as much as its science.
- • Today you build the ethical reasoning skills that accompany every new diagnostic technology.
- • Exit goal: a posted CER with a clear allocation rule, evidence, reasoning, and a rebuttal.
- • principles (most need, most benefit, first-come) are three competing frameworks for resource allocation.
- • allocation decisions weigh individual benefit against community-level impact on disease spread.
- • CER arguments must engage with the tradeoffs of a rule, not just its benefits.
Concentration, serial dilution, standard curves, antigen–antibody binding, direct vs. indirect ELISA. · Bioethics debate: who gets the test
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 bioethics discussion activity in myPLTW for Lesson 1.1 The Mystery Infection and review the CER rubric for the test-allocation debate.
Post your CER on scarce test allocation and reply to at least two classmates.
Activity 1.1.3 report should be submitted; this debate opens the week.
CER post visible in the course discussion board.
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.
Concentration, serial dilution, standard curves, antigen–antibody binding, direct vs. indirect ELISA. · Bioethics debate: who gets the test
Open the bioethics discussion activity in myPLTW for Lesson 1.1 The Mystery Infection and review the CER rubric for the test-allocation debate.
Activity 1.1.3 report should be submitted; this debate opens the week.
This is how Mr. Mendoza sees the class keeping pace with PLTW. Be honest, it only helps if it is accurate.
🎯 Debate how a limited supply of a new diagnostic test should be distributed when not everyone can be tested.
- Read the scenario: a new test is in short supply during a fast-moving outbreak.
- Write your Claim: who should be tested first, and by what rule?
- Add one Reason and one piece of Evidence about fairness or impact.
- Trade claims with someone who chose a different rule and note their best point.
- Write a Rebuttal that answers that point.
- Post your CER to the discussion board and read two other rules classmates proposed.
CER: Written CER on test-allocation rule: claim, evidence, reasoning, and rebuttal addressing the strongest opposing framework.
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 scenario: a new test is in short supply during a fast-moving outbreak. | _______ |
| Write your Claim: who should be tested first, and by what rule? | _______ |
| Add one Reason and one piece of Evidence about fairness or impact. | _______ |
| Trade claims with someone who chose a different rule and note their best point. | _______ |
| Write a Rebuttal that answers that point. | _______ |
| Post your CER to the discussion board and read two other rules classmates proposed. | _______ |
Working solo? Put your own name in "Who" for every row.
- You will be able to argue a fair rule for allocating scarce tests.
- You will be able to support your rule with reasoning and evidence.
- You will be able to rebut an opposing allocation rule.
- 1Do thisDebate how a limited supply of a new diagnostic test should be distributed when not everyone can be tested.
- 2Use this resource
- 3Submit thisCER: Written CER on test-allocation rule: claim, evidence, reasoning, and rebuttal addressing the strongest opposing framework.
- 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) › Concentration, serial dilution, standard curves, antigen–antibody binding, direct vs. indirect ELISA. › CEROpen 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 sequence match is evidence rather than proof, so a defensible identification report must cite match-quality numbers, show a working control, and name a real limitation, because databases are incomplete and errors can fake a match.
Every allocation rule advantages some people and excludes others, so a fair decision has to name and defend its tradeoff rather than pretend it is neutral.
A smoke alarm detects signs of fire but can also react to burnt toast.
- What does the alarm detect?
- What creates a false alarm?
- What evidence is needed before declaring a fire?
A screening signal changes what to investigate next; it does not automatically prove the cause.
Biomedical tests have measured performance and biological sampling limits that a household alarm does not capture.
- • Alarm signal maps to a test result.
- • Burnt toast maps to a .
- • Inspection maps to confirmation or the next test.
Driving question: An outbreak is moving fast through a Cleveland neighborhood, the clinic has 50 test kits and 400 people who want one, and by Friday there could be 800. Who should be tested first, and by what rule?
What you already know: A sequence match is evidence rather than proof, so a defensible identification report must cite match-quality numbers, show a working control, and name a real limitation, because databases are incomplete and errors can fake a match.
New idea: Every allocation rule advantages some people and excludes others, so a fair decision has to name and defend its tradeoff rather than pretend it is neutral.
Visual or model: F1. F1. A lesson illustration or teaching diagram for Bioethics debate: who gets the test. 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 Bioethics debate: who gets the test.
- Organize the observation with a stable evidence ID.
- Apply this rule: A screening signal changes what to investigate next; it does not automatically prove the cause.
- Choose the option the evidence supports and state the limit of the conclusion.
Real biomedical example: An outbreak is moving fast through a Cleveland neighborhood, the clinic has 50 test kits and 400 people who want one, and by Friday there could be 800. Who should be tested first, and by what rule?
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 molecule, often on a germ's surface, that the immune system recognizes as foreign and responds to by making matching antibodies.
- • : A Y-shaped made by the immune system that binds to a specific foreign target, marking it for destruction or blocking its effect.
- • : A lab test that uses antibodies linked to an to detect and measure a specific , with a color change signaling its presence.
- • : A stepwise process of repeatedly diluting a sample by the same factor to make a range of lower, known concentrations.
- • : A graph made from samples of known concentration, used to read off the unknown concentration of a test sample from its measured signal.
- • : The specific molecule an acts on, fitting into the enzyme's active site so it can be changed into a product.
- • : A measure of how much light a sample blocks at a given wavelength, used to estimate how concentrated a substance is in a solution.
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.
principles (most need, most benefit, first-come) are three competing frameworks for resource allocation.
Limit: E1 supplies context or an observation; it does not by itself establish the explanation.
Every allocation rule advantages some people and excludes others, so a fair decision has to name and defend its tradeoff rather than pretend it is neutral.
Limit: E2 is a teaching statement or comparison and must be checked against the task evidence.
You will be able to argue a fair rule for allocating scarce tests.
Limit: E3 supports only the result or product criterion named here; it cannot justify a broader clinical or causal claim.
PLTW-GEND-2026-09-15 · Simulated classroom evidence scenario
Your role: medical interventions team member
Decision: Your team must decide what the evidence from Bioethics debate: who gets the test supports before submitting the claim-evidence-reasoning response named on the lesson page.
- • Choose the strongest supported explanation.
- • Choose the next evidence to collect.
- • Hold the decision because the evidence is insufficient.
Response: State one choice, cite at least two evidence IDs, explain the rule that connects them, and add one limitation. Submit it as the claim-evidence-reasoning response.
Claim ceiling: The supplied lesson evidence can support an observation, pattern, classroom mechanism, or next-step decision about Bioethics debate: who gets the test. 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 Bioethics debate: who gets the test supports before submitting the claim-evidence-reasoning response named on the lesson page.
Context: Allocating a scarce medical resource is not a math problem with one right answer; every rule helps some people and shuts out others, so a defensible choice has to name its tradeoff, not hide it.
- • T1: Read the scenario: a new test is in short supply during a fast-moving outbreak.
- • T2: Write your Claim: who should be tested first, and by what rule?
- • T3: Add one Reason and one piece of Evidence about fairness or impact.
- • T4: Trade claims with someone who chose a different rule and note their best point.
- • T5: Write a Rebuttal that answers that point.
- • T6: Post your CER to the discussion board and read two other rules classmates proposed.
- • E1: principles (most need, most benefit, first-come) are three competing frameworks for resource allocation.
- • E2: Every allocation rule advantages some people and excludes others, so a fair decision has to name and defend its tradeoff rather than pretend it is neutral.
- • E3: You will be able to argue a fair rule for allocating scarce tests.
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 Bioethics debate: who gets the test. 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.
Mean = sum of values / number of values. Median = middle ordered value. Range = maximum - minimum.
For 2, 4, 4, and 10: mean = 20 / 4 = 5, median = 4, and range = 10 - 2 = 8.
Mean, median, and range keep the measurement unit. Order the values before finding the median.
Calculate the requested summary for today's supplied values, then write what it reveals and what it hides.
Students often think Students often think the fair answer is simply first-come, first-served, because that feels neutral and avoids playing favorites.. The trap: First-come, first-served is a rule with a hidden cost: it favors whoever can leave work, has a car, and heard the news early, so during a fast outbreak it can send tests to low-risk people while a contagious person spreads it to dozens. Neutral-sounding does not mean fair, because who gets there first is itself unequal.
Parallel case (not today's prompt): A transplant center has one donor kidney available and three patients who are medical matches on the waitlist. Patient A has waited four years, Patient B is nineteen years old and otherwise healthy, and Patient C is sicker and will likely decline fastest without the transplant. There is only one kidney. Who should receive it, and by what rule?\n\nClaim: When one donor kidney must be assigned among several matched patients, it should go to the patient who will gain the most healthy years of life from the transplant, balanced against how long each has already waited.\n\nEvidence: Organ allocation systems use several frameworks: longest time on the waitlist, sickest first, and expected benefit measured in life-years gained. Real transplant networks combine these, giving points for waiting time and for medical urgency while also weighing how well and how long the organ is likely to function in each recipient. A single donated organ that fails quickly in one patient could have given many working years to another.\n\nReasoning: A scarce organ produces the greatest good when it is placed where it will function longest and restore the most life, because a transplant that lasts fifteen years does far more than one that fails in two. Weighing waiting time alongside expected benefit keeps the rule from ignoring patients who have already sacrificed years in line, so the decision rewards both good outcomes and fair process rather than outcome alone.\n\nRebuttal: A strict sickest-first rule feels most compassionate because it rescues the person in the most immediate danger. But the sickest patient is sometimes the one whose body will reject or wear out the organ fastest, which can waste an irreplaceable kidney that would have thrived in a healthier match. Urgency matters, yet urgency by itself is not the same as the best and fairest use of a resource that no one can replace.
This model shows the level of evidence and organization needed to complete: A written claim-evidence-reasoning argument on a DIFFERENT scarce-resource case (donor kidney allocation), modeling the exact CER format and depth, including a rebuttal that answers the strongest opposing framework, so students can copy the structure without seeing the answer to today's own prompt.
- Write one defensible claim.
- Choose specific evidence that supports the claim.
- Explain the scientific rule that connects the evidence to the claim.
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: Post to the discussion board and read two classmates' rules.
- 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 Bioethics debate: who gets the test. 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.
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 if you were absent, got stuck, or need another pass before you submit the lesson artifact.
Placement rationale
Matched model, dilution, by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/1.1_The-Mystery-Infection; keywords:elisa, , dilution. Score 154. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Open this when the class reaches this activity and use it to complete the required lesson artifact.
Placement rationale
Matched model, dilution, by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/1.1_The-Mystery-Infection; keywords:elisa, . Score 146. Visibility: student-schoology (student-facing resource; link through Schoology rather than local path).
Use this if you were absent, got stuck, or need another pass before you submit the lesson artifact.
Placement rationale
Matched model, dilution, by path:Medical-Interventions/Unit-1_How-to-Fight-Infection/1.1_The-Mystery-Infection; keywords:, dilution. Score 142. 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 Bioethics debate: who gets the test. It cannot by itself prove causation, establish a real clinical diagnosis, or justify action outside this classroom task.
A bus driver with no symptoms and a homebound elderly person with a cough both want the last test kit during an outbreak. Under a 'most benefit to the community' rule, who gets tested first, and why?
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.
If you are away, post a full written CER proposing a test-allocation rule and reply to one classmate's post with a respectful rebuttal.
Then submit your CER. 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:
HHMI BioInteractive (preview; use fallback if blocked)- 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.