10 free EMT practice questions: Equipment Readiness & Ambulance Check
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
During transport from an industrial site, a patient begins vomiting and is positioned on their side. Vomit remains in the mouth, and the portable suction unit does not run when the EMT switches it on. What should the EMT do next?
Show the answer and rationale
Correct answer · Use the suction unit mounted in the patient compartment
Vomit remains in the mouth while the portable suction unit won't turn on. Liquid sitting in the oropharynx during transport risks aspiration into the lungs within seconds, dropping oxygenation and setting up aspiration pneumonia later. Every ambulance carries suction mounted in the patient compartment as an independent second source, built in for exactly this kind of portable failure. The priority is producing working suction immediately, not repairing the device that just failed. Switch to the mounted unit, clear the airway, then tag the portable unit out of service for the mechanic after the call.
Why the others are wrong
Change the battery in the portable unit and try it again: Changing the battery and retrying the portable unit is the right move when suction fails and no backup exists, since dead batteries are a common cause of that failure. Here a mounted suction unit is already available in the compartment, and vomit is sitting in the mouth right now. Troubleshooting the broken device spends seconds that airway can't afford.
Clear the mouth with a gloved finger sweep: A gloved finger sweep clears a visible solid foreign body from the mouth, not liquid vomitus. The vomit in this patient's mouth is liquid, which a finger only pushes around or further back, raising aspiration risk instead of preventing it. Suction is the correct tool for fluid, not a manual sweep.
Ask the driver to stop so the portable unit can be checked: Stopping the ambulance would make sense if suctioning genuinely required the vehicle to be still, but the mounted unit works fine in motion. Asking the driver to stop only delays clearing the vomit already in this patient's mouth, and answers how to fix the portable unit rather than how to clear the airway now.
Question 2 of 10
An EMT is checking the airway equipment carried on the ambulance at 1900. The battery-powered portable suction unit runs and holds a charge. Which additional device allows suctioning to continue if that unit loses power during a call?
Show the answer and rationale
Correct answer · A manually operated suction device
Suction is one of the few interventions with no workaround when the equipment quits, so ambulances carry a hand-powered unit that needs no battery or vehicle power. Checking that the backup is present and functional is part of the same equipment check that covers the powered unit. The distinction that matters is between a device that generates vacuum and the parts that only carry or direct it.
Why the others are wrong
A rigid pharyngeal suction tip: the delivery end of the suction system. It doesn't generate vacuum on its own and is useless if there's no power source driving it.
A large-bore suction catheter: also just a delivery component, not a source of vacuum. It depends on a working powered or manual unit behind it.
A spare collection canister and tubing: A spare canister and tubing are parts that carry and collect what's suctioned. They don't generate suction themselves if the powered unit fails.
Question 3 of 10
An EMT is checking equipment before a shift assigned to a youth soccer tournament. The unit may need to transport a 3-year-old patient who does not require the stretcher. Which equipment allows that patient to be transported safely in the patient compartment?
Show the answer and rationale
Correct answer · A size-appropriate child passenger restraint
A small child is restrained by a device built and tested for the child's size and weight, and the ambulance has to carry one before it can transport children who do not need the stretcher. Adult securement hardware is spaced and shaped for an adult torso, so it leaves a small child able to move inside the restraint and concentrates crash forces in the wrong places. Carrying the right device is an inventory question answered during the check, not something improvised on scene.
Why the others are wrong
The stretcher straps tightened across the child: Stretcher straps tightened across a small child are spaced and shaped for an adult torso, leaving the child able to move inside the restraint during a crash.
A caregiver holding the child on the bench seat: provides no crash protection at all and risks the child being crushed between the caregiver and the vehicle interior during a collision.
A pediatric backboard strapped to the bench seat: isn't a substitute for a proper child passenger restraint system designed and tested for securing a child during transport.
Question 4 of 10
After receiving a medication order from an online medical control physician, what should the EMT do before administering the medication?
Show the answer and rationale
Correct answer · Repeat the order back word for word and receive confirmation
The finding that decides this is that the order came from online medical control over voice radio, not a written or protocol source. Read-back closes the loop on auditory transmission, where dropped words, similar-sounding drug names, or garbled dosages can change a medication order into a dangerous one. The physician has to hear their own order repeated and actively confirm it before you draw up or administer anything, because that confirmation is the only checkpoint that catches a transmission error before it reaches the patient.
Why the others are wrong
Wait for the receiving hospital to confirm the order: A second set of eyes always sounds safer, and receiving facilities do review care after the fact. The order in this question came from the online physician giving direct medical control, not from the destination hospital, so that facility has no role in confirming it.
Ask the physician to send the order in writing: Written orders exist for standing protocols and some facility-based orders, but this order was given verbally over the radio, so asking for it in writing answers a different question than the one the scenario poses.
Document the order in the patient care report before acting on it: Documenting in the patient care report is a required step and happens after the call, but it does not verify that you heard the order correctly in the moment; it treats the paperwork requirement as if it were the safety check that only read-back provides.
Question 5 of 10
After a call for a nosebleed, an EMT is disposing of the disposable equipment used in the patient compartment. A gauze dressing is soaked with the patient's blood. The outer wrapper of that dressing was removed before the dressing was applied and is dry. An NRB was worn by the patient and is free of blood. An emesis basin was handed to the patient but was not used. Which item must be discarded in a biohazard container approved by the Occupational Safety and Health Administration?
Show the answer and rationale
Correct answer · The gauze dressing soaked with blood
Waste from a call is sorted by what is actually on the item, not by whether the item was part of patient care. Disposable equipment that is bloody or contaminated by body fluids goes into a biohazard container approved by the Occupational Safety and Health Administration. Noncontaminated disposable equipment used in patient care is discarded following that agency's guidelines and local guidelines, and most items generated on a call are handled as general trash. Working through the four items, the wrapper came off the dressing before it was applied and is dry, the NRB is free of blood, and the emesis basin was handed over but never used. Only the gauze dressing is soaked with the patient's blood, so it is the one item the cited rule sends to the biohazard container; the remaining three fall under the noncontaminated-disposables route, which the same passage refers to OSHA and local guidelines.
Why the others are wrong
The NRB worn by the patient: This makes proximity to the airway the test. The question states the mask is free of blood; the rule that sends an item to the biohazard container is that the item is bloody or contaminated by body fluids, not that it was near the airway.
The outer wrapper from the dressing package: This gives the packaging the status of what it contained. The wrapper came off before the dressing touched the patient and the question states it is dry, so it never contacted blood; most disposable items generated on a call are handled as general trash.
The emesis basin handed to the patient: This handles any item offered to a patient during care as contaminated. The question states the basin was not used, so nothing was deposited in it, and an unused item cannot meet a contamination-based standard.
Question 6 of 10
An EMT is placing a full spare oxygen cylinder into service on the ambulance. The plastic seal has been removed from the valve stem, the opening has been inspected and is free of debris, and the sealing washer is in place on the regulator collar. Which action comes next?
Show the answer and rationale
Correct answer · Open the valve briefly and close it before attaching the regulator
Placing a cylinder in service runs in a fixed order, and this question has already accounted for the first step: the plastic seal is off and the opening has been inspected and is clear. The next step is to crack the cylinder, meaning to open the valve slowly and then close it again, which helps make sure dirt particles and other possible contaminants do not enter the oxygen flow. The cylinder is never faced toward the EMT or anyone else while this is done. Only after that is the regulator placed on the valve question, aligned so the oxygen port and the pins fit the holes, and hand tightened, and only then is the cylinder opened fully to check for leaks and read the pressure. The reasoning the item asks for is why the order is what it is: the brief opening is a clearing step, so anything that happens after the regulator is attached carries debris into the regulator instead of out of the valve.
Why the others are wrong
Attach the regulator, then open the valve briefly and close it: This turns the brief opening into a leak test performed once the regulator is on. Its purpose is to blow debris out of the valve opening before anything is attached; performed afterward, whatever was in the opening has already been driven into the regulator, which is what the step exists to prevent.
Attach the regulator and open the valve fully to read the gauge: This moves reading the pressure up and makes the brief opening optional. Checking the gauge does come later in the sequence, once the regulator is firmly attached and the cylinder is opened fully, but it does not replace clearing the opening first.
Attach the regulator and open the flowmeter to clear the opening: This flushes the system by running gas through it once assembled. Once the regulator is attached, gas leaving the flowmeter has already passed through the regulator, so any debris in the valve opening has been carried into the equipment rather than out of it.
Question 7 of 10
During the shift check, an EMT inventories the weatherproof compartment that opens from the outside of the ambulance. It holds a dry chemical fire extinguisher, two rechargeable high-intensity flashlights, hard hats with face shields, and a box of road flares. The unit's response area includes a highway where crashes often involve spilled fuel. Which action is most appropriate?
Show the answer and rationale
Correct answer · Add reflective or intermittently flashing warning devices
The weatherproof compartment that opens from the outside of the ambulance is the one that has to hold what the crew needs for safeguarding patients and EMTs, controlling traffic and bystanders, and illuminating work areas, and warning devices that flash intermittently or have reflectors are the recommended item for that job. Road flares can pose an additional hazard, such as ignition of flammable liquids or gases, which is the consideration that decides this item: the response area includes a highway where crashes often involve spilled fuel, so the one warning device the compartment does carry is the one least suited to the scenes the unit actually runs. The gap is a missing category of equipment, not a shortage of what is already there, so the correction is to stock reflective or intermittently flashing warning devices. Adding flares, adding an extinguisher, or relocating the flares each leave the compartment without a warning device that can be deployed safely near spilled fuel.
Why the others are wrong
Add a second box of road flares to the compartment: This makes flares the warning device and covers the gap by carrying more of them. Flares work by burning, which is the reason they can ignite flammable liquids or gases, and on a highway where crashes often involve spilled fuel adding more of them increases the ignition source at exactly the scenes where it is least wanted.
Add a second fire extinguisher beside the flares: This meets a fuel hazard with more extinguishing capacity. Carrying a second extinguisher does nothing about the missing warning devices, and it treats an ignition that has not happened yet as inevitable instead of removing the ignition source that makes it likely.
Move the flares into the patient compartment cabinet: This locates the problem with the flares in where they are kept. Moving them into the patient compartment leaves the outside compartment still without any warning device and takes an item stored for use at the roadway out of the compartment that is reachable from outside the vehicle.
Question 8 of 10
Which situation is an appropriate indication for helicopter transport?
Show the answer and rationale
Correct answer · A time-critical condition with a ground transport time greater than 30 minutes
Two things have to be true at once, and only this option carries both. First, the condition has to be time critical, meaning the treatment the patient needs lives at a specialty center: trauma, cath lab, stroke, and every minute costs something. Second, the ground transport has to be long enough that flying actually saves meaningful time. Flight is not instantaneous: the aircraft has to be requested, fly to you, find and land in a safe landing zone, and the crew still has to package the patient, so on short ground times the helicopter loses even though it is faster in the air. A time-critical patient more than 30 minutes out by ground is the classic point where those minutes finally break in the aircraft's favor.
Why the others are wrong
A stable patient with a minor ankle injury who lives 10 minutes from the hospital: Air transport for an isolated extremity injury makes sense only when access is the problem rather than the injury, as in a wilderness, water, or off-road rescue where a ground unit physically cannot reach the patient. This patient is stable, has a minor injury, and is 10 minutes from the hospital by ground. The key requires both a time-critical condition and a long ground time, and this option has neither.
A patient who simply requests helicopter transport because of personal comfort: Patient preference legitimately shapes some decisions, including hospital choice within reason and position of comfort. It is not a clinical indication, and aircraft are a finite regional resource, so committing one to a flight nobody needs makes it unavailable for the call that does. The key is a criterion about the patient's condition and the clock, not about what the patient would prefer.
Poor weather conditions that would otherwise delay a ground transport slightly: Weather is a real reason to change the plan, usually by driving more carefully, taking a different route, or accepting a slightly longer ground time. It runs the opposite direction from what this option claims, since low ceilings, icing, and wind are what ground helicopters in the first place. It also fails the key's other half, because a slight delay is nowhere near the long ground transport that makes flight worth it.
Question 9 of 10
A patient meets the local criteria for a ST-elevation myocardial infarction, and a cardiac catheterization center is 10 minutes farther away than the closest hospital. What is the correct transport decision?
Show the answer and rationale
Correct answer · Transport to the cardiac catheterization center, since STEMI requires specialized care
The patient meets STEMI criteria, ST elevation myocardial infarction, and the closest hospital cannot open the blocked coronary artery. Reperfusion by percutaneous coronary intervention, the same procedure the cardiac catheterization center provides, is what determines how much myocardium survives; every minute of occlusion increases infarct size. A 10-minute added transport time is small compared to the delay of arriving at a facility that has to reroute the patient anyway. Protocol calls for transport to the closest appropriate facility, and for STEMI that facility is the one that can cath the patient now.
Why the others are wrong
Transport to the closest hospital because minimizing transport time takes priority: The instinct to minimize transport time holds for trauma and unstable patients where any delay itself is dangerous. Here the closer hospital lacks catheterization capability, so arriving faster only delays the actual treatment, PCI, that reperfuses the blocked artery; closest appropriate facility beats closest facility.
Transport to the closest hospital and request a later transfer if needed: Requesting a later transfer fits situations where the cath center is genuinely out of reach, due to weather, distance, or diversion. A 10-minute difference is not that situation; routing through the closer hospital first only adds a second transport and delays the reperfusion the STEMI protocol exists to speed up.
Ask the patient which hospital they would prefer, and transport there instead: Letting the patient choose applies to non-emergent transport where destination has no bearing on outcome. STEMI transport is a protocol-driven, time-critical decision, not a preference question, and a 10-minute difference is well within the range that mandates bypass to the cath center.
Question 10 of 10
The EMT arrives at a cardiac arrest. A family member states the patient has a do-not-resuscitate (DNR) but cannot produce the document. What should the EMT do?
Show the answer and rationale
Correct answer · Begin resuscitation and resolve the DNR question at the hospital
The finding that decides this is that the DNR document cannot be produced on scene. A verbal report from family, without the signed, valid paperwork in hand, does not meet the legal standard needed to withhold resuscitation, because cardiac arrest care is time-dependent and irreversible once brain and myocardial ischemia progress past a few minutes. Absent a valid document, the EMT starts CPR and any indicated ALS care immediately, and the question of honoring the DNR gets resolved by medical control or hospital staff once the paperwork surfaces or the family's account is verified.
Why the others are wrong
Withhold resuscitation based on the family's statement: This fits a scene where a proper, signed DNR is physically produced and verified, letting the crew withhold resuscitation on the spot. Here the family only states the DNR exists without producing it, so acting on that unverified claim risks denying care the patient may be entitled to.
Call medical control and follow whatever the family ultimately decides: Calling medical control for guidance is reasonable, but handing the final call to "whatever the family decides" replaces medical and legal criteria with family preference, which cannot override the absence of a valid document.
Wait until the document is found before beginning any care: Pausing all care while searching for paperwork treats finding the document as a prerequisite to acting, but cardiac arrest demands immediate CPR since every minute of delay lowers survival, so care starts now and the document search happens alongside it.
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