NREMT EMT - Emergency Medical Technicians (EMT002) Exam

The correct answer is A. Remove the airway and ventilate him.

In pediatric patients, improper placement or incorrect sizing of an oropharyngeal airway (OPA) can cause:

Airway obstruction instead of opening

Worsening hypoxia

Leading to cyanosis and bradycardia

The patient’s cyanosis (low oxygen) and bradycardia (late hypoxia sign) indicate that the airway intervention has failed or worsened the situation.

Immediate action is to:

Remove the OPA

Provide effective ventilations with BVM

B. Continue ventilation with the airway in place → Incorrect because the airway is likely malpositioned or obstructing airflow

C. Increase ventilation rate to 40–60 → Excessive and inappropriate; does not correct obstruction

D. Start CPR if HR < 100 → In pediatrics, CPR begins if HR < 60 with poor perfusion, not < 100

“If an airway adjunct worsens ventilation, it should be removed immediately.”

“Bradycardia in infants is a sign of hypoxia.”

“Ensure adequate ventilation before initiating compressions.”

Comprehensive and Detailed Explanation (Based on NREMT standards):

For a conscious adult with complete airway obstruction, abdominal thrusts are typically indicated. However, NREMT guidelines specify that chest thrusts should be used instead for patients who are morbidly obese or pregnant, because abdominal thrusts may be ineffective or unsafe.

Option D is correct because chest thrusts provide effective airway clearance while accommodating body habitus.

Options A and B are inappropriate for a conscious patient.

Option C is incorrect because abdominal thrusts may not be effective in morbidly obese patients.

NREMT stresses modifying airway obstruction techniques based on patient size and condition.

Comprehensive and Detailed Explanation (Based on NREMT standards):

NREMT trauma care guidelines clearly state that distal circulation, sensation, and motor function (CSM) must be assessed both before and after splinting any musculoskeletal injury.

Option C is correct because the pre-splint assessment establishes a baseline, while the post-splint assessment confirms that the splint has not compromised blood flow or nerve function.

Option A is incomplete and unsafe.

Option B misses baseline data.

Option D violates standard trauma care practices.

Proper documentation of distal neurological status is critical for patient safety and medico-legal protection.

The correct answer is B. cyanide poisoning.

The key clue in this question is the odor of bitter almonds, which is classically associated with cyanide exposure. Cyanide is commonly used in industrial processes such as electroplating, making this scenario highly suggestive of cyanide poisoning.

Why B is correct:

Cyanide exposure is known for producing a “bitter almond” odor.

It is commonly found in industrial settings, especially electroplating facilities.

Cyanide interferes with cellular respiration, leading to rapid onset of severe symptoms in multiple patients.

Why the other options are incorrect:

A. Ammonia exposure → Produces a sharp, pungent odor, not bitter almonds.

C. Organophosphate poisoning → Typically associated with a garlic or musty odor and cholinergic symptoms (SLUDGE).

D. Chlorine gas exposure → Has a strong bleach-like odor, causing respiratory irritation.

Exact Extracts:

“Cyanide exposure may be associated with a bitter almond odor.”

“Industrial processes such as electroplating may involve cyanide compounds.”

“Recognition of characteristic odors can assist in identifying hazardous materials.”

The correct answer is B. Ventricular tachycardia only.

There are two primary shockable rhythms in cardiac arrest:

Ventricular fibrillation (VF)

Ventricular tachycardia (VT)

However, only one of these may still produce a pulse under certain conditions.

Why B is correct:

Ventricular tachycardia (VT) can occur with or without a pulse.

In some cases, VT allows the heart to generate enough cardiac output to produce a palpable pulse (this is called stable or unstable VT with a pulse).

Therefore, VT is the only shockable rhythm that may still have a pulse.

Why the other options are incorrect:

A. Ventricular fibrillation only → VF produces no organized cardiac activity, therefore no pulse

C. Both shockable rhythms → Incorrect because VF never produces a pulse

D. Neither a shockable rhythm → Incorrect because VT can produce a pulse

Exact Extracts:

“Ventricular fibrillation results in no effective cardiac output and no pulse.”

“Ventricular tachycardia may be present with or without a pulse.”

“Pulseless ventricular tachycardia and ventricular fibrillation are treated with defibrillation.”

Subcutaneous emphysema following blunt chest trauma strongly suggests air leaking from the lung into surrounding tissues, often associated with pneumothorax. NREMT trauma priorities stress that airway and breathing take precedence over all other interventions.

Option D is correct because the child is already in moderate respiratory distress, indicating inadequate ventilation. Assisting ventilations with a BVM ensures oxygen delivery and adequate tidal volume while preparing for rapid transport.

Option A is important but does not address the immediate life threat.

Option B may help with pain or flail segments but does not correct ventilation.

Option C is no longer routinely indicated and does not address breathing.

NREMT emphasizes correcting life-threatening airway and breathing problems before movement or transport.

The correct answer is D. Brainstem herniation.

This question is testing recognition of Cushing’s triad, a classic sign of increased intracranial pressure (ICP) and impending brainstem herniation.

Key findings in the question:

Hypertension (BP 220/106)

Bradycardia (P 54)

Irregular respirations

These three together form Cushing’s triad, which strongly indicates increased ICP and brain herniation.

Additionally:

Non-purposeful extension of extremities (decerebrate posturing) is a sign of severe brain injury and brainstem involvement.

Why D is correct:

Brainstem herniation results from severe increased ICP.

It produces Cushing’s triad and abnormal posturing.

This is a life-threatening neurological emergency requiring rapid recognition.

Why the other options are incorrect:

A. Distributive shock: Typically presents with hypotension, not hypertension.

B. Spinal cord injury: May cause paralysis but does not cause Cushing’s triad.

C. Hemorrhagic shock: Presents with hypotension and tachycardia, not bradycardia and hypertension.

Exact Extract (EMT-aligned educational content):

Cushing’s triad consists of widening pulse pressure (hypertension), bradycardia, and irregular respirations, indicating increased intracranial pressure.

Severe head injury may present with abnormal posturing (decerebrate or decorticate).

These findings suggest impending brain herniation, a critical and often fatal condition without rapid intervention.

Comprehensive and Detailed Explanation (Based on NREMT standards):

For unresponsive children, NREMT guidelines recommend checking central pulses to determine circulation.

Option B (Carotid) is correct and is the preferred pulse site for children over 1 year old.

Option C (Femoral) is also acceptable as a central pulse, especially if the carotid pulse is difficult to locate.

Option A is a peripheral pulse and unreliable in shock.

Option D is used for infants under 1 year.

Option E is not used for pulse assessment.

Accurate pulse assessment guides CPR decisions and must be completed within 10 seconds.

The correct answer is B. Administer epinephrine.

This patient is experiencing anaphylactic shock, a life-threatening allergic reaction.

Key findings indicating anaphylaxis:

Sudden onset respiratory distress (wheezing)

Urticaria (hives) → hallmark allergic reaction

Hypotension (BP 82/48) → indicates shock

Hypoxia (SpOâ‚‚ 91%)

Why B is correct:

Epinephrine is the first-line, life-saving treatment for anaphylaxis.

It works by:

Bronchodilation (improves wheezing)

Vasoconstriction (raises blood pressure)

Reduces airway swelling

It must be given immediately when anaphylaxis is suspected.

Why the other options are incorrect:

A. Nebulized albuterol → Helps wheezing but does not treat shock or airway swelling

C. High-flow oxygen → Important, but not definitive treatment; epinephrine takes priority

D. Immediate transport → Necessary, but life-saving intervention must occur first

Exact Extracts:

“Epinephrine is the first-line treatment for anaphylaxis.”

“Anaphylaxis presents with respiratory distress, hypotension, and hives.”

“Immediate administration of epinephrine is critical.”

Mental status reflects perfusion and oxygen delivery to the brain, which is highly sensitive to hypoxia and hypercapnia. Even if respiratory rate and SpOâ‚‚ are normal, altered mental status suggests ineffective gas exchange or hypoperfusion.

Pulse oximetry may be falsely normal in CO poisoning or poor perfusion. Skin color is subjective and not as sensitive or specific as neurological status.