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10 free Paramedic practice questions: Scene Safety, Personal Protection, and Infection Control

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

Work through all 10, then move on to the next topic. When you want the full picture, the free Paramedic diagnostic covers every topic in one sitting. No account needed for any of it.

Question 1 of 10

A paramedic responds to a residence at 1830 for a 4-year-old patient bitten by the family dog. A parent meets the crew at the front door and states the dog is still loose inside the house. What should the paramedic do?

Show the answer and rationale

Correct answer · Wait outside until the dog is secured in a separate room

The decisive finding here is that the parent says the dog is still loose inside the house, not just present. A dog that has already bitten a child and remains unconfined is an active, unpredictable hazard: adrenaline and fear can make it move faster and more erratically than any crew hauling gear can react to. Scene safety has to exist before patient care starts, so you wait outside until the dog is physically confined behind a closed door or removed, then enter. That decision protects the crew from becoming a second patient and keeps someone available to treat the child.

Why the others are wrong

Enter the residence and ask the parent to hold the dog: Asking the parent to hold the dog looks like a quick way to control it without delay, but the dog is loose and already bit the child, meaning no restraint has been established yet; holding is not confirmed containment. Entering before that containment exists puts you in the same room as an unpredictable animal.

Enter the residence with the stretcher between the crew and the dog: A stretcher between crew and animal can work as a barrier when moving past a contained threat. Here the dog is loose and already aggressive enough to bite the child, and it can move around or under the stretcher faster than the crew can react. This answers how to enter, not whether entry is safe yet.

Enter the residence after confirming the dog is vaccinated: Confirming vaccination status matters for rabies risk and wound care decisions once the patient is reached. It does nothing for the immediate hazard of an unconfined dog loose in the house right now. This swaps the scene-safety question for a medical question that only matters after the scene is secured.

Question 2 of 10

A paramedic wearing a gown, an N95 respirator, and eye protection approaches a 4-year-old patient at a residence for a fever and a forceful cough. The child screams and pulls away when the paramedic comes close. A parent asks the paramedic to take the mask off. What should the paramedic do?

Show the answer and rationale

Correct answer · Keep the equipment on and explain it simply

Indicated protective equipment is not negotiable, because taking it off does not make the child less infectious. It only exposes the paramedic, the partner, and every patient the crew touches for the rest of the shift. Preschool children are frightened by covered faces as a developmental norm, so the answer is to keep the equipment on and manage the fear: crouch to the child's level, speak in a calm and unhurried voice, name what the equipment is in words a 4-year-old follows, let the child see it up close or on the parent first, and keep the parent within sight and touch throughout. Explaining the reason to the parent in the same breath usually converts the request into cooperation. Forcing the assessment is the opposite move, since restraint escalates the fear the paramedic is trying to defuse and makes every later finding harder to obtain.

Why the others are wrong

Remove the respirator while near the child: Removing the respirator while near the child takes off indicated protective equipment, doing so doesn't make the child less infectious, it just exposes the paramedic, the partner, and every patient touched for the rest of the shift.

Ask the parent to hold the child down for the assessment: Asking the parent to hold the child down for the assessment escalates the fear the paramedic is trying to defuse and makes every subsequent finding harder to obtain accurately.

Remove the eye protection and keep the respirator: Removing the eye protection and keeping the respirator still takes off part of the indicated protective equipment for no clinical reason: the fix here is managing the child's fear, not removing gear.

Question 3 of 10

A paramedic arrives at a farm where a worker has collapsed inside a grain bin and is lying motionless in the grain about 8 feet below the access hatch. Three coworkers are tying a rope around one of themselves and preparing to climb in. The confined space rescue team has been dispatched and is 15 minutes away. What should the paramedic do?

Show the answer and rationale

Correct answer · Instruct the coworkers to stay out of the bin

A grain bin is a confined space with two hazards a rope does not touch: an atmosphere that may be oxygen deficient or full of toxic gas and dust, and grain that flows like liquid and engulfs anyone standing on it. A worker already motionless in the bin is evidence that the space is doing exactly that. Most confined space deaths are would-be rescuers who entered after the first victim, so the paramedic's immediate task is to keep everyone out until the trained team arrives with atmospheric monitoring, ventilation, and retrieval equipment. The job task extends the paramedic's protective duty to bystanders, which on this scene means preventing three additional patients rather than reaching the one already down.

Why the others are wrong

Direct the coworkers to enter with the rope in place: Directing the coworkers to enter with a rope doesn't address the atmospheric hazard or the engulfment risk from flowing grain: a rope alone doesn't protect against either.

Send one coworker in to open the bin's lower hatch: Sending one coworker in to open a lower hatch still puts an untrained person into the same hazardous atmosphere and engulfment risk that likely caused the first collapse.

Have the coworkers enter in pairs to remove the patient: Having coworkers enter in pairs multiplies the number of people exposed to the same hazards rather than reducing the risk.

Question 4 of 10

A paramedic responds to a warehouse where a worker was exposed to a dry chemical. The hazardous materials team has completed decontamination and has moved the patient to the cold zone. The patient is alert, has no remaining product on the skin or clothing, and reports skin irritation. Which protective equipment should the paramedic wear to treat this patient?

Show the answer and rationale

Correct answer · Examination gloves and eye protection

The decisive facts are that decontamination is complete and the patient has no remaining product on skin or clothing, meaning the chemical itself, the actual hazard, is gone. Once the offending agent is physically removed, there's no vapor, no contact residue, and no absorption risk left to protect against; what remains is an alert patient with skin irritation, a routine patient care situation. That changes the equipment decision entirely: the paramedic treats in standard precautions, examination gloves and eye protection, because dressing in heavier protective gear at this point adds no safety benefit and only slows assessment and treatment.

Why the others are wrong

Chemical-resistant suit and respirator: A chemical-resistant suit and respirator belong in the warm or hot zone, worn by responders working around active product before decon, not by a paramedic treating a patient in the cold zone after decontamination is documented complete.

Self-contained breathing apparatus: protects against an active airborne or inhalation hazard, which has no basis here since the chemical was dry, has been decontaminated off the patient, and the patient is alert and breathing without complaint.

N95 respirator and gown: An N95 respirator and gown are the answer for suspected airborne infectious disease, not a decontaminated chemical exposure; nothing in this scenario points to an infectious process, only residual skin irritation from a chemical already removed.

Question 5 of 10

During scene size-up, what makes an incident a mass-casualty incident?

Show the answer and rationale

Correct answer · More patients than the available resources can handle

The deciding factor is resources versus demand: an MCI exists the moment the number and severity of patients exceed what the responding crews and equipment on scene can manage. This is a triage and command decision, not a headcount rule. It determines whether you implement triage protocols like START (Simple Triage and Rapid Treatment), call for mutual aid, and establish incident command before treatment begins, because working an overwhelmed scene as a routine call delays care to the patients who need it most.

Why the others are wrong

Three or more patients are involved: Some agencies use three or more patients as an internal trigger to activate their MCI plan, but that is a local policy number, not the definition itself. A crash with three stable patients and four ambulances on scene is not an MCI, so this answer treats a trigger as the cause.

At least one patient is in critical condition: A single critical patient describes a high-acuity call, the kind that demands rapid transport and advanced interventions, but severity alone does not overwhelm a properly staffed response. One critical patient with adequate crews on scene is a serious call, not an MCI.

More than one agency is dispatched: Multiple agencies responding reflects the type or location of an incident, like a highway crash needing fire, law enforcement, and EMS, not whether resources are outstripped. Mutual aid gets requested for plenty of single-patient calls too.

Question 6 of 10

A paramedic is preparing to transport a 62-year-old patient from a homeless shelter who reports three weeks of coughing, night sweats, and unintended weight loss. The patient is alert and speaks in short phrases, and the breathing is labored. The vital signs are BP 132/84, P 110, R 26, and SpO₂ 86% on room air. The paramedic and the partner are already wearing gloves, goggles, and fitted N95 respirators. What is the most appropriate action for the paramedic to take?

Show the answer and rationale

Correct answer · Place an NRB on the patient at 15 L/min

A patient suspected of having an airborne- or droplet-spread disease is masked for source control, but once that patient needs oxygen the source directs that the surgical mask be replaced rather than kept in place. A saturation of 86% on room air with labored breathing is that oxygen need, and the standard precautions guidance is to substitute an NRB for the surgical mask and set the flow at 10 to 15 L/min. The NRB still covers the mouth and nose, and the crew's own protection comes from the fitted respirators, goggles, and gloves already in place.

Why the others are wrong

Place a surgical mask on the patient over a nasal cannula: Preserving source control means layering a low-flow device underneath the surgical mask. A nasal cannula cannot correct a saturation of 86% with labored breathing, and the NRB replaces the surgical mask rather than being added under it.

Place a particulate respirator on the patient over a nasal cannula: This makes the mask with the best filtration the best choice for everyone on scene. A particulate respirator belongs on the provider; on the patient it is uncomfortable, adds nothing, and still leaves the oxygen need unmet.

Place a surgical mask on the patient and continue to monitor: This applies the general rule for a coughing patient and stops there. The question gives a saturation of 86% on room air with labored breathing, so monitoring alone leaves a treatable hypoxia untreated.

Question 7 of 10

A crew has transferred a patient with a large scalp laceration at the emergency department. Blood is on the squad bench and on the stretcher rails. The paramedic has removed and discarded the gloves worn during patient care, has washed the hands, and is now preparing to clean and disinfect the patient compartment. Which gloves should the paramedic put on for this task?

Show the answer and rationale

Correct answer · Heavy-duty utility gloves

Cleaning and disinfecting the unit is a different task from patient care and takes a different glove. Heavy-duty utility gloves are what the source specifies for cleaning and disinfecting the ambulance, and it rules out lightweight latex and vinyl gloves for cleaning by name. Examination gloves are described as the choice for patient contact and procedures, not for cleaning work.

Why the others are wrong

Two pairs of latex examination gloves: Double gloving is a real recommendation, but it belongs to patient care where there is substantial bleeding. The patient has already been transferred, and stacking two lightweight latex gloves does not make either one a cleaning glove.

A fresh pair of vinyl examination gloves: This treats any clean barrier as adequate for any task. Lightweight vinyl examination gloves are named among the gloves that are not used for cleaning.

Leather rescue gloves over examination gloves: Leather rescue gloves are selected for puncture protection during extrication, not for handling disinfectants. Leather itself has to be treated as contaminated material until it can be properly decontaminated, so it adds a problem rather than solving one.

Question 8 of 10

A paramedic is returning an ambulance to service after transporting a patient with a bleeding head wound. A patch of dried blood remains on the squad bench. The used linen has been stripped from the stretcher and the contaminated disposable supplies have been discarded. The paramedic is holding a spray bottle of hospital-approved disinfectant. What should the paramedic do next?

Show the answer and rationale

Correct answer · Wash the bench with soap and water, then apply the disinfectant

Cleaning and disinfection are two different steps in a fixed order. Cleaning is the removal of the visible contaminant, and for a contaminated area on the unit that means washing it with soap and water; disinfection is the killing of pathogens by applying a chemical made for that purpose. For disinfection to be effective, the cleaning has to be done first. Spraying a disinfectant onto dried blood leaves the blood in place and leaves the chemical unable to reach what is underneath it.

Why the others are wrong

Spray the disinfectant on the blood and wipe the bench dry: This gets the sequence wrong and then compounds it. Bleach solutions and most disinfectants have to stay wet on the surface for a stated contact time, so wiping the bench dry cuts the disinfectant's working time short.

Spray the disinfectant on the blood and let the bench air dry: This is the strongest wrong answer, because the air-drying half of it is correct. It still skips the wash, and dried blood on the surface is exactly what keeps the disinfectant from reaching the pathogens beneath it.

Spray the disinfectant on the blood and repeat at the station: Repeating an application does not stand in for the step that was skipped. The blood is still on the bench for both applications, and the unit carries it back to the station either way.

Question 9 of 10

A 72-year-old patient in a skilled nursing facility has acute abdominal pain. The patient is continent, has no visible bleeding, and reports nausea. Several other patients in the facility are quarantined in a separate wing because of a gastroenteritis outbreak. Which precautions should the paramedic apply for this patient contact?

Show the answer and rationale

Correct answer · Gloves and a gown, for possible exposure to gastrointestinal fluid

The decisive finding is the combination of nausea and abdominal pain in a patient from a facility mid-outbreak for gastroenteritis: this patient hasn't vomited yet, but the physiology of gastroenteritis means transmission runs through direct contact with vomitus or stool, the fecal-oral route, not through droplets in the air. That risk of body substance exposure, not active bleeding, is what drives PPE selection here. Gloves cover contact with skin and surfaces; a gown covers your clothing if this patient does vomit during your assessment or transport. Respiratory protection and eye shielding aren't required because nothing about this presentation travels by air or splash yet.

Why the others are wrong

Gloves only, because there is no visible bleeding: The absence of visible bleeding argues for gloves alone, treating this like a case where body substance isolation ends at skin contact, but nausea and abdominal pain in a patient from an outbreak facility mean vomiting is a real possibility during your contact, and gloves alone leave your clothing exposed if that happens.

Gloves and a mask, given the gastroenteritis outbreak: Gloves and a mask fit an illness that spreads by airborne or droplet transmission, like influenza during flu season. Gastroenteritis spreads through contact with stool or vomitus, not through the air, and this patient has no respiratory symptoms, so a mask addresses an exposure route that isn't present.

Gloves, mask, gown, and eye protection, as for active infection: Full PPE with mask and eye protection fits a patient actively vomiting or with confirmed infection and splash risk, where droplets can reach your face. This patient is nauseated, not actively vomiting, and the outbreak is in a separate wing; that's a contact risk, not a splash risk, so gloves and a gown already cover it without the extra layers.

Question 10 of 10

A paramedic responds to a single-vehicle rollover on a rural highway. The vehicle has rolled about three times and is on its side. One occupant is alert, asking for help, and reporting arm pain. The vehicle is stable and no hazards are apparent. Which resource request is most appropriate?

Show the answer and rationale

Correct answer · Police for traffic control and fire for extrication standby

The occupant count decides this: only one patient has been identified, alert and reporting arm pain, so the on-scene ambulance can handle transport once care begins. The vehicle rolled three times and now rests on its side, a mechanism that can shift, trap, or worsen occult injury even in an alert patient, so extrication capability has to be staged ready to move, not held back. Police secure the traffic lane on a rural highway. The call needs police for traffic control and fire on standby, not committed, and no second ambulance until a second patient turns up.

Why the others are wrong

Police, fire for extrication standby, and one more ambulance: This calls for a second ambulance on top of police and fire, which fits once more than one patient is confirmed or a highway crash risks producing more victims. Only one occupant has been identified here, alert and reporting arm pain. Requesting a unit for a patient who doesn't exist yet ties up a resource the scene doesn't need.

No additional resources; transport the patient immediately: Skipping additional resources ignores that a rollover on a rural highway still needs traffic control, and that a vehicle resting on its side after three rolls warrants extrication standby even with an alert patient who has only arm pain.

Police only; extrication is unlikely given the alert patient: Requesting police only assumes an alert patient rules out entrapment, but a vehicle that rolled three times and landed on its side can still trap or shift, so fire needs to be on standby even though extrication looks unlikely right now.

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