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The National Register Emergency Medical Technician (EMT) cognitive test is a computer adaptive test (CAT).This means that each candidate is evaluated based on the position of the responses on a spectrum. Once a candidate gets the correct answers, the computer will automatically enter more difficult questions to continue testing the candidate's skill level. The number of items a candidate can expect from the EMT exam will be between 70 and 120. Each exam will have between 60 and 110 “live” elements that will be counted towards the final score. The exam will also include 10 pilot questions that do not affect the final score. The maximum time allowed to complete the exam is 2 hours. To pass the exam, candidates must meet a standard skill level. The standard of success is defined by the ability to provide safe and effective entry-level emergency medical care.
NEW QUESTION # 220
An 84-year-old patient becomes dyspneic, feels faint, and develops blurred vision when going from sitting to standing. When at rest, the patient's symptoms resolve. The vital signs are BP 188/90, P 78, R 20, and SpO#
93% on room air. Which of the following causes is the patient's most likely presentation?
Answer: C
Explanation:
The correct answer is A. Atherosclerosis.
This patient is experiencing positional (orthostatic) symptoms, including:
* Dizziness / feeling faint
* Blurred vision
* Symptoms that occur when standing and resolve at rest
In elderly patients, this pattern strongly suggests reduced cerebral perfusion upon standing, often due to vascular insufficiency from atherosclerosis.
Key reasoning:
* Atherosclerosis causes narrowing and stiffening of arteries.
* This limits the body's ability to quickly adjust blood flow during position changes.
* As a result, transient cerebral hypoperfusion occurs when standing, causing the described symptoms.
Why A is correct:
* It best explains age-related vascular insufficiency and positional symptoms.
* The patient's elevated blood pressure also supports chronic vascular disease.
Why the other options are incorrect:
* B. Cardiac arrhythmia: Typically causes sudden, unpredictable symptoms, not consistently position- related.
* C. Transient ischemic attack (TIA): Causes focal neurological deficits, not just positional dizziness that resolves with rest.
* D. Dissecting aortic aneurysm: Presents with severe, tearing chest or back pain, not positional lightheadedness.
Exact Extract (EMT-aligned educational content):
* Elderly patients commonly experience dizziness or syncope due to decreased cerebral perfusion.
* Atherosclerosis reduces vascular elasticity and blood flow, impairing the body's ability to compensate for position changes.
* Symptoms such as lightheadedness and blurred vision upon standing indicate transient cerebral hypoperfusion.
References:
NREMT National EMS Education Standards - Cardiovascular Emergencies
EMT Training Curriculum - Syncope and Cerebral Perfusion
National EMS Scope of Practice Model - Patient Assessment and Perfusion Disorders
NEW QUESTION # 221
A 26-year-old patient has an altered mental status. Family advises that the patient has diabetes. The patient's skin is pale, cool, and clammy. What, if anything, can the EMT infer about the patient's glucose level based on the patient's presentation?
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Altered mental status, combined withpale, cool, and clammy skin, is strongly suggestive ofhypoglycemia (low blood sugar). Hypoglycemia is especially dangerous in diabetics who take insulin or oral hypoglycemics.
The body'sadrenergic responsecauses the "cool and clammy" presentation.
Hyperglycemia typically presents withwarm, dry skinand develops more slowly. EMTs shouldadminister oral glucoseif the patient can swallow.
References:
NREMT Medical Guidelines - Endocrine Emergencies
AAOS EMT Textbook (11th ed.), Chapter: Endocrine and Metabolic Emergencies National EMS Education Standards - Diabetic Emergencies
NEW QUESTION # 222
An EMT is using a BVM to ventilate a 28-year-old patient with asthma. The patient is unresponsive, and their vital signs are BP 70/40, P 142, R 8, and SpO2 89% on room air. The patient is becoming increasingly difficult to ventilate. What should the EMT do next?
Answer: C
Explanation:
In patients with asthma experiencing respiratory failure, improper ventilation (especially excessive rates) can lead to air trapping and increased intrathoracic pressure, reducing venous return and worsening hypotension.
The correct technique is to ventilate slowly to allow full exhalation - around 1 breath every 5-6 seconds for adults.
CPAP is contraindicated in unresponsive patients who cannot maintain their own airway. A non-rebreather mask would be insufficient for an unresponsive patient, and forceful ventilation risks barotrauma.
References:
NREMT EMT Psychomotor Exam Guide: Airway, Respiration and Ventilation
American Heart Association (AHA) BLS Provider Manual (2020)
National EMS Education Standards (2011) - Airway Management Section
NEW QUESTION # 223
What are the greatest morbidity risks associated with poorly controlled patient agitation in patients exhibiting delirium? Select the two answer options that are correct.
Answer: A,C
Explanation:
The correct answers are B. Positional asphyxia and E. Sudden cardiac arrest.
This question refers to patients with severe agitation or delirium, often described in EMS as excited delirium syndrome or severe behavioral emergencies.
Why B is correct (Positional asphyxia):
Agitated patients who are restrained improperly (especially in prone positions) are at high risk of:
* Restricted chest wall movement
* Impaired ventilation
* Hypoxia
NREMT-aligned guidance emphasizes:
* "Improper restraint positioning can lead to positional asphyxia."
* This is a major cause of morbidity and death in agitated or restrained patients.
Why E is correct (Sudden cardiac arrest):
Severely agitated or delirious patients are at risk of:
* Extreme catecholamine surge
* Metabolic acidosis
* Cardiac dysrhythmias
These can rapidly lead to sudden cardiac arrest.
NREMT materials highlight:
* "Patients with severe agitation are at risk for sudden cardiac arrest."
* "Excited delirium may result in sudden death if not properly managed." Why the other options are incorrect:
* A. Seizure activity: Not a primary or common morbidity risk directly associated with agitation.
* C. Hypovolemic shock: Not typically related to agitation unless trauma or bleeding is present.
* D. Hemorrhagic stroke: Not a typical complication of agitation/delirium in EMS context.
Exact Extracts:
* "Improper restraint can result in positional asphyxia."
* "Excited delirium is associated with sudden cardiac arrest."
* "Agitated patients require careful monitoring due to risk of sudden death." References:
NREMT EMT Education Standards - Medical Emergencies (Behavioral and Psychiatric Disorders) NREMT National Continued Competency Program (NCCP) - Behavioral Emergencies Prehospital Emergency Care (EMT) - Behavioral Crisis Management
NEW QUESTION # 224
Which of the following injuries occurs when the epidermis is damaged by a scraping force?
Answer: B
Explanation:
The correct answer is B. Abrasion.
An abrasion is a superficial injury caused by scraping or rubbing force that damages the epidermis (outer layer of skin). This type of injury is commonly referred to as a "scrape" or "road rash." Why B is correct:
Abrasions occur when the skin is rubbed or scraped against a rough surface.
They involve only the epidermis and are usually superficial.
Minimal bleeding may occur, but the main concern is pain and risk of infection.
Why the other options are incorrect:
A). Avulsion # Involves tearing away of skin or tissue, often deeper and more severe C). Puncture # Caused by a sharp, pointed object penetrating the skin D). Laceration # A cut or tear in the skin, typically deeper than an abrasion Exact Extracts:
"An abrasion is a wound caused by scraping or rubbing of the skin."
"It involves damage to the epidermis."
"Abrasions are usually superficial but can be painful and prone to infection." References:
NREMT EMT Education Standards - Trauma (Soft Tissue Injuries)
National EMS Education Standards - Bleeding and Soft Tissue Injuries
NREMT Candidate Handbook - Trauma Care
NEW QUESTION # 225
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