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10 free EMT practice questions: Patient Count & Triage (MCI)

These are real questions from the same bank the app draws from. Each one is written to the NREMT EMT content specifications and kept inside the EMT scope of practice. Pick an answer and you get the full rationale, including why the other three options are wrong.

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Question 1 of 10

An EMT is performing initial triage with the START system after a floor section collapsed at a warehouse. A 45-year-old patient cannot walk. The respirations are 20/min and a strong radial pulse is present, but the patient does not follow simple commands and only moans when spoken to. Which triage category should the EMT assign?

Show the answer and rationale

Correct answer · Immediate (red)

The decisive finding is the mental status check: the patient does not follow simple commands and only moans when spoken to. START, Simple Triage And Rapid Treatment, sorts by respirations, perfusion, and mental status, and failing any one of the three makes the patient immediate, even when the other two pass. A moaning, non-command-following patient has cerebral perfusion or injury severe enough to impair consciousness, and that brain-level finding overrides the normal respiratory rate of 20 per minute and the strong radial pulse. This patient needs airway management and rapid transport priority now, not a delayed tag based on averaging the three checks.

Why the others are wrong

Delayed (yellow): fits a patient who passes all three START checks, walking wounded aside, and can wait a bit for treatment. This patient fails the mental status check by not following commands and only moaning, so the normal respirations of 20 and the strong radial pulse cannot offset that failure. Treating two reassuring findings as decisive here averages the checks instead of screening for the worst one.

Minor (green): covers the walking wounded, patients who can ambulate to a treatment area on their own with only minor injuries. This patient cannot walk, which is the first determinant in START, and also fails the mental status check, so this option answers the mobility question alone while ignoring the more severe finding.

Expectant (black): reserved for injuries so severe that survival is not expected given available resources, a category built for catastrophic trauma, not for altered mental status alone. This patient has a normal respiratory rate and a strong radial pulse, only impaired consciousness, so the injury profile does not support a black tag.

Question 2 of 10

An EMT arrives at a multiple-patient incident where first responders have already tagged every patient. The EMT is assigned to the treatment area, and patients begin arriving from the triage area. What should the EMT do as each patient arrives?

Show the answer and rationale

Correct answer · Reassess each patient and confirm the category

As patients move from triage into the treatment area, the EMT reassesses each one and confirms or changes the tag before anything else happens. Triage tags are assigned in seconds during the initial sweep, and airway status, breathing rate, and perfusion can shift markedly in the minutes it takes to reach treatment, so the tag reflects a moment, not a fixed diagnosis. Reassessing at this second point is what catches the delayed patient who has decompensated into immediate, and it drives the actual priority for treatment and transport out of the treatment area. Skipping this step means a deteriorating patient sits behind others simply because of an old tag.

Why the others are wrong

Transport patients in the order they were tagged: Transporting strictly in tagging order assumes the tag still matches the patient's current status, but nothing in the treatment area confirms that, so a patient who has worsened since triage gets moved out of turn.

Move patients to the ambulances by tag color: Sorting patients to ambulances by tag color is a legitimate transport step once the category is confirmed, but doing it on arrival skips the reassessment the treatment area exists for.

Keep the categories assigned during initial triage: This looks efficient because it avoids redoing work already done at triage, but that first sort was a few seconds long on a patient whose condition keeps moving, so holding the same category without rechecking misses anyone who has since improved or decompensated, exactly the gap reassessment is meant to close.

Question 3 of 10

An EMT crew is the first unit to arrive at a collision involving a shuttle bus with eight injured occupants. The next ambulance is 10 minutes away. While moving through the occupants, the EMT finds a patient with severe difficulty breathing and tags the patient immediate. Three occupants have not been triaged. What should the EMT do?

Show the answer and rationale

Correct answer · Continue triaging the remaining occupants

The three occupants who haven't been triaged yet are the deciding fact here. Initial triage exists to sort every patient on the scene by immediate, delayed, minor, or dead/expectant before any single patient gets treated or moved, because the crew can't know which patient is actually worst until the whole scene has been sorted. One EMT tagging one patient immediate doesn't tell you whether one of the three untriaged occupants is also immediate, or worse. The priority stays finishing the sort; treatment and transport get assigned once every patient has a tag.

Why the others are wrong

Load the immediate patient into the ambulance: Loading the immediate patient into the ambulance answers a question that comes after triage is done, when transport priority gets assigned by tag. With three occupants still untriaged, the crew doesn't know if this patient is the one who needs that seat first, and pulling the only EMT off the sort to move one patient stops the count.

Transport the immediate patient to the hospital: Transporting the immediate patient is the correct move for that patient eventually, once transport is organized against a complete triage picture. Here the crew is the only unit on scene and three occupants haven't been assessed at all; leaving now abandons them undiagnosed with the next ambulance still ten minutes out.

Begin treating the immediate patient's breathing: Beginning treatment on the difficulty-breathing patient looks right because immediate patients do get quick life-saving interventions, like opening an airway, during the initial sort. Full treatment beyond that quick fix stops the sort cold, and with three occupants still untagged, the EMT has no way to know whether committing time here leaves a sicker patient undiscovered.

Question 4 of 10

At a warehouse fire, the EMT performs START triage on a patient who is unable to walk due to severe leg injuries. The patient is alert and oriented to person, place, and time. Their respiratory rate is 32 breaths per minute with spontaneous breathing, skin is warm and dry, and radial pulse is strong at 92 beats per minute. What is the correct START triage category for this patient?

Show the answer and rationale

Correct answer · Red (immediate)

The respiratory rate of 32 breaths per minute is the deciding finding. START, which stands for Simple Triage And Rapid Treatment, checks respirations first in any patient who cannot walk: a rate above 30 breaths per minute tags the patient Red before pulse or mental status are ever assessed. The elevated rate signals early respiratory compromise or compensation that can decompensate fast, so this patient goes to the Red, immediate treatment area for reassessment and intervention ahead of patients with normal breathing, regardless of the intact pulse and mental status.

Why the others are wrong

Green (minor injuries): Green fits a patient who can get up and walk to the triage area under their own power with only minor injuries. This patient cannot walk because of severe leg injuries, so the very first step of START sorts them out of the ambulatory group before any vital sign is even checked.

Yellow (delayed): Yellow looks tempting because everything past the respiratory rate fits delayed status: alert and oriented to person, place, and time, a strong radial pulse at 92, and warm, dry skin all point to adequate perfusion. But START checks respirations first, and 32 breaths per minute exceeds the 30 per minute cutoff, pulling this patient to Red before perfusion counts.

Black (expectant): Black is reserved for patients with no spontaneous respirations even after the airway is repositioned, or injuries clearly incompatible with survival. This patient is breathing spontaneously at 32 breaths per minute, so the absence of breathing that defines Black never applies here.

Question 5 of 10

The EMT is the first unit at a warehouse fire with multiple patients. A quick scene scan identifies several patients. One patient with a superficial burn on the arm walks toward the EMT, stating they are able to move around independently. Before performing detailed vital sign assessment, what is the appropriate START triage category for this ambulatory patient?

Show the answer and rationale

Correct answer · Green: the patient can walk independently and is triaged as a minor injury

The decisive finding is that the patient walks independently toward the EMT and states they can move around on their own, the ambulation test that START (Simple Triage And Rapid Treatment) applies before anything else. Walking unassisted means the airway is patent, breathing and perfusion are adequate enough to support purposeful movement, and mental status is intact enough to follow the request to move. That functional reserve, not the burn itself, is what earns Green. It tells the EMT to move past this patient and spend limited time sorting the nonambulatory patients for breathing, perfusion, and mental status.

Why the others are wrong

Red: all burn injuries require immediate assessment and transport: Deep partial thickness or full thickness burns, especially with airway involvement, do get triaged Red under START. This patient's burn is described as superficial, and the patient is walking and speaking normally, findings that override injury type in the ambulation test START runs first.

Yellow: all burn patients must be triaged as Yellow until vitals confirm stability: Yellow fits patients who cannot walk but show a respiratory rate and radial pulse present with an appropriate response to command, held pending further vitals. This patient already cleared the ambulation step by walking to the EMT, so vitals aren't the next move here; START assigns Green to walkers without waiting on numbers.

Black: any patient with a burn injury is classified as nonviable: Black marks patients who remain apneic even after airway repositioning, or who are otherwise unresponsive and nonviable. This patient is walking and speaking, clearly moving air and perfusing well enough to ambulate on command.

Question 6 of 10

A chlorine release at a water treatment plant produces 12 patients. The hazmat team has established control zones, and a decontamination corridor is operating in the warm zone. The EMT is assigned to triage in the cold zone. Several patients walk out of the plant on their own; their clothing is wet, and they have not passed through the decontamination corridor. What should the EMT do?

Show the answer and rationale

Correct answer · Direct the patients into the decontamination corridor before triage

At a hazardous materials incident the hazmat team must identify patients as contaminated or decontaminated before the regular triage process, and patients are decontaminated before they are taken into a treatment area. Contamination carried into a triage area, a treatment area, or a hospital can shut down the systems the entire response depends on. The EMT working in the cold zone therefore directs these still-wet, ambulatory patients into the decontamination corridor and triages them after they come through clean.

Why the others are wrong

Triage the patients where they stand and tag them for later: Triage feels like the first thing that happens to any patient found at a mass-casualty incident. Triaging patients who are still wet with the chemical exposes the EMT, contaminates the tag, and defeats the zone control the hazmat team has already set up.

Triage the patients as minimal and send them for transport: Walking out of the plant makes these patients look like the walking wounded, so the minimal category seems automatic. Ambulatory status does not clear a patient for the transportation area, and moving contaminated patients toward the ambulances spreads the contamination into a clean area.

Walk the patients into the treatment area and triage them: This gets patients to care quickly, which is the right instinct on an ordinary call. It carries the chemical into the treatment area, and patients are decontaminated before they are taken to a treatment area, not after.

Question 7 of 10

An EMT is performing primary triage with the JumpSTART system after a roof collapse at a gymnasium. A 7-year-old patient who appears to weigh about 50 pounds did not walk to the collection area and is not breathing. A distal pulse is palpable. The EMT opens the airway with a manual maneuver and then gives five rescue breaths. The patient still does not breathe. What should the EMT do?

Show the answer and rationale

Correct answer · Tag the patient expectant and continue triaging the others

JumpSTART is used for children younger than 8 years or who appear to weigh less than 100 pounds, and this patient meets both. In JumpSTART a child who is not breathing but has a pulse gets the airway opened and then one trial of five rescue breaths, because respiratory arrest is the usual path to cardiac arrest in children and a brief ventilation trial can restore breathing. That trial is the end of the branch: a child who still does not breathe after it is tagged expectant, a pulse notwithstanding, and the EMT moves on to the remaining patients.

Why the others are wrong

Tag the patient immediate and move to the next patient: A pulse is present, so the patient is alive and obviously critical, and immediate looks like the safe tag. In JumpSTART the immediate tag belongs to the child who starts breathing after the rescue breaths; the child who does not is expectant.

Give five more rescue breaths and reassess for breathing: Repeating the trial follows the reasoning behind the rescue-breath step and feels safer than stopping. The algorithm allows one trial of five breaths, and repeating it holds primary triage on a single patient while the rest of the scene goes unsorted.

Begin chest compressions and ventilations: Compressions treat cardiac arrest, and a distal pulse is palpable in this patient. Starting a full resuscitation during primary triage also commits the EMT to one patient while every other patient waits to be assessed.

Question 8 of 10

During primary triage after an apartment fire, the EMT reaches a patient who did not walk to the collection area because of pain from partial-thickness burns to one lower leg. There is no soot around the mouth or nose, the voice is clear, and the breathing is unlabored. The patient has R 20/min, a palpable radial pulse, and follows simple commands. What should the EMT do?

Show the answer and rationale

Correct answer · Tag the patient delayed and move to the next patient

The patient did not walk, so the minimal category is out and the remaining START (simple triage and rapid treatment) triage checks apply: respirations of 20/min fall inside the range that moves the assessment forward, a radial pulse is present, and simple commands are followed, which places the patient in the delayed category. Burns move a patient to immediate when the airway is compromised or the burns are severe. The absence of soot around the mouth and nose, a clear voice, and unlabored breathing rule out airway involvement here, and the burn is confined to one lower leg, which is far too small an area to meet the severe-burn criterion. Burns without airway compromise are a delayed-category finding. The EMT tags the patient and keeps moving, because treatment does not begin until every patient has been triaged.

Why the others are wrong

Tag the patient immediate and move to the next patient: Burns look dramatic and the patient cannot walk. Immediate is reserved for airway or breathing compromise, uncontrolled bleeding, signs of shock, severe burns, or open chest or abdominal injury. A partial-thickness burn confined to one lower leg is not a severe burn by extent, and the question rules out each of the other immediate criteria.

Direct the patient to the collection area for minimal patients: The minimal category is for the walking wounded, and sending this patient to the collection area treats the burns as trivial. The patient did not walk to that area, so the first branch of the algorithm never places the patient there.

Give positive pressure ventilations and tag the patient immediate: This treats any burn from a structure fire as an inhalation injury. There is no soot around the mouth or nose, the voice is clear, and the breathing is unlabored, so the airway is not involved, and ventilating one patient stops primary triage for everyone else.

Question 9 of 10

An EMT crew is dispatched to a mass-casualty incident at a rail platform and is directed to report to the staging area. Triage is already under way on the platform. On the way in, the crew passes a patient who is sitting on the curb holding a bandaged forearm, calling for help, and wearing no triage tag. What should the crew do?

Show the answer and rationale

Correct answer · Report to the staging area and wait for an assignment

Crews arriving at an incident check in at the location command designates and take an assignment before doing anything else. Check-in is what allows command to track which personnel and units are on scene, which matters most if a secondary event occurs. Acting before check-in is freelancing: it removes the unit from the plan and from the accountability system. Triage of the platform is already assigned to someone, so an untagged patient sitting there is inside that assignment and will be reached.

Why the others are wrong

Stop and triage the patient before reporting to staging: A patient asking for help is right in front of you and carries no tag. Triage of that platform is already assigned, and a second crew working it unannounced leaves command with an inaccurate picture of who is doing what.

Load the patient and transport to the closest hospital: Transporting straight away feels like using the ambulance for what it is for. It removes a unit from the incident before command has counted it and commits that unit to a patient who has not been prioritized against the others.

Assess the patient and report the findings to command: Assessing and radioing the findings sounds like a compromise between helping and following the plan. It still begins patient care before check-in and adds radio traffic on a channel command needs for the triage report.

Question 10 of 10

At a multiple-patient incident, an EMT has triaged 4 patients: 1 Red, 2 Yellow, and 1 Green. One ambulance with a two-person crew is on scene; a second ambulance is 12 minutes away. The Red patient is deteriorating. What is the most appropriate action?

Show the answer and rationale

Correct answer · Begin transporting the Red patient now with the on-scene ambulance

Resource requests and transport decisions follow triage priority: Red patients are transported first, with whatever unit is available, rather than waiting for additional resources or transporting lower-priority patients first. A deteriorating Red patient does not wait on a unit that is already on scene.

Why the others are wrong

Wait for the second ambulance before transporting anyone: Waiting 12 minutes to move a deteriorating Red patient risks losing the patient; the on-scene ambulance should not sit idle when it can transport the highest-priority patient now.

Transport both Yellow patients together first, then return for Red: Yellow patients are not immediately life-threatened; transporting them ahead of a deteriorating Red patient reverses triage priority.

Have the Green patient ride along to help monitor the Red patient: A Green (minor) patient is not a substitute for trained personnel, and this does not address getting the Red patient moving.

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