Pass the NREMT Medical Technicians EMT Questions and answers with ExamsMirror

Comprehensive and Detailed Explanation From Exact Extract:

The patient’sexcessively high respiratory rate (RR 50),hypoxia (SpO₂ 89%), anddecreased mental status(drowsiness) indicaterespiratory failure, which is theinability to maintain oxygenation or ventilation.

Respiratory distress: Increased effort but adequate compensation

Respiratory arrest: Complete absence of breathing

Respiratory alkalosis: Possible early finding, but not a condition diagnosis

This patient is tiring and losing the ability to ventilate effectively — a hallmark of failure.

Comprehensive and Detailed Explanation From Exact Extract:

Albuterol, a commonbeta-2 adrenergic agonistused in inhalers, stimulates bronchial smooth muscle relaxation. However, stimulation of beta receptors can also produce systemic effects such as:

Tachycardia(due to beta-1 cross-reactivity)

Nervousness(from central stimulation)

Coughing(a local airway response)

Confusion and drowsiness are not typical side effects of beta-agonists. Hypotension is rare unless severe overdose occurs.

Comprehensive and Detailed Explanation From Exact Extract:

Anepidural hematomaclassically presents with a“lucid interval”— a brief period of regained consciousness following head trauma, followed by rapid deterioration. This is due to arterial bleeding, often from themiddle meningeal artery, leading to increasing intracranial pressure.

Signs include:

High blood pressure

Decreasing respiratory rate

Altered LOC or unresponsiveness

Subdural hemorrhages are slower venous bleeds, common in elderly patients. Subarachnoid hemorrhage often presents with "worst headache of life." Intracerebral bleeds are less commonly linked to lucid intervals.

Comprehensive and Detailed Explanation From Exact Extract:

Secondary preventionfocuses onearly detection and interventionto reduce the severity or impact of an illness or injury that has already occurred or is inevitable. Examples in EMS include:

AED deployment in public

Stroke recognition training

Early CPR

Primary preventionaims to stop the injury from occurring at all (e.g., vaccination, seatbelts). "Reactive" and "proactive" are not recognized formal categories in EMS public health strategy.

Comprehensive and Detailed Explanation From Exact Extract:

SALT(Sort, Assess, Lifesaving interventions, Treatment/Transport) is a mass casualty triage method recommended by theCDC and the National Association of EMS Physicians (NAEMSP). During the"Assess" step, responders:

Checkrespirations

Providelifesaving interventionssuch asrescue breathsif the patient is not breathing but has a pulse

Evaluatementation(e.g., ability to follow commands)

Airway adjuncts and full transport do not happen at this stage. Scorecards and pediatric-specific modifications are addressed later in the protocol.

Comprehensive and Detailed Explanation From Exact Extract:

Clavicle deformity suggests potential rib or thoracic trauma. Unequal chest rise may indicate a flail segment, pneumothorax, or hemothorax. Subcutaneous emphysema, the presence of air under the skin, is a classic finding in pneumothorax or tracheobronchial injury.

Occipital depression is not chest related; epigastric distension is a GI symptom; and jugular vein distention would suggest tension pneumothorax or cardiac tamponade, which are more advanced complications.

Comprehensive and Detailed Explanation From Exact Extract:

TheSTART (Simple Triage and Rapid Treatment)system classifies patients based on ability to walk, respirations, perfusion, and mental status. A patient with an open fracture who can breathe adequately, has a pulse, and follows commands is categorized as“Delayed”.

Immediate (Red) is reserved for those who cannot walk and have life-threatening conditions, such as compromised airway or severe bleeding.

Comprehensive and Detailed Explanation From Exact Extract:

Thetripod position— sitting upright, leaning forward, supporting the upper body with arms on knees — is a classic sign ofrespiratory distress. This position:

Maximizes diaphragmatic movement

Engages accessory muscles of respiration

Improves air exchange in patients with obstructive airway diseases (e.g., COPD, asthma)

It is rarely used by patients with abdominal pain or seizures and is not associated with cardiac arrest (where unconsciousness is expected).

Comprehensive and Detailed Explanation From Exact Extract:

The patient’s excessively high respiratory rate (RR 50), hypoxia (SpO₂ 89%), and decreased mental status (drowsiness) indicate respiratory failure, which is the inability to maintain oxygenation or ventilation.

Respiratory distress: Increased effort but adequate compensation

Respiratory arrest: Complete absence of breathing

Respiratory alkalosis: Possible early finding, but not a condition diagnosis

This patient is tiring and losing the ability to ventilate effectively — a hallmark of failure.

Comprehensive and Detailed Explanation From Exact Extract:

Dehydration signs in infants include:

Poor skin turgor (elasticity)

Sunken fontanelles (indicative of fluid loss)

Delayed capillary refill (>2 seconds)

Flushed skin is more common in fever or heat illness, not dehydration. Hypotension, not hypertension, is associated with dehydration in late stages.