EMT practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.
Q11What is the general category of diseases that cause lower airway obstruction called?
✓ Correct answer: C. Obstructive lung diseases.
Diseases that cause lower airway obstruction fall under the category of obstructive lung diseases. These conditions are generally characterized by airway inflammation and restricted airflow.
Q12You respond to a factory where temperatures have exceeded 100°F all week. A 37-year-old male who complained of dizziness before losing consciousness is found with hot, dry skin, a rapid pulse, and dilated pupils. What condition is this patient most likely experiencing?
✓ Correct answer: C. Emergent hyperthermia
Exposure to high environmental heat without adequate hydration or ventilation leads to elevated core temperature. Hot, dry skin is an ominous sign indicating the body's cooling mechanisms have failed. Emergent hyperthermia (heat stroke) is a true life-threatening emergency requiring rapid cooling and urgent transport.
Q13In an adult, which of the following heart rate values indicates bradycardia?
✓ Correct answer: C. Heart rate below 60 beats per minute
In adults, a heart rate below 60 beats per minute is classified as bradycardia. Many well-conditioned athletes have resting heart rates below 60, so this finding should only raise concern if the patient also shows signs of inadequate tissue perfusion, such as low blood pressure.
Q14While transporting a patient with chest pain, he loses consciousness and has no pulse. Which of the following procedures should be followed?
✓ Correct answer: C. The EMT should attach the AED, set it to analyze, and instruct the driver to stop the vehicle.
The vehicle should be stopped whenever the AED is in analyze or shock mode. Movement can interfere with rhythm analysis, and delivering a shock in a moving vehicle creates risk of accidental contact with the patient or pads. All AED interventions should occur only after the driver has stopped the vehicle.
Q15Why is it important to inspect the AED before every shift?
✓ Correct answer: A. To confirm that the AED is fully charged and operational
The AED must be inspected at the start of each shift to verify it is fully charged and functional. Skipping this check may constitute negligence if the device fails during a cardiac arrest. Environmental factors such as temperature can drain a battery even if it appeared fully charged at the end of the previous shift, so relying on the prior crew's assessment is insufficient.
Q16What is the key distinguishing feature of angina pectoris when compared to a myocardial infarction?
✓ Correct answer: B. Angina pectoris is triggered by physical or emotional stress
Angina pectoris is typically triggered by physical exertion or emotional stress. The symptoms usually last no longer than 10 minutes and can be relieved with rest, in contrast to myocardial infarction pain which is persistent and not relieved by rest.
Q17Which of the following interventions is NOT appropriate when treating a child in shock?
✓ Correct answer: B. Administering fluids by mouth
Oral fluids should never be given to any patient in shock, as this can induce vomiting and lead to airway compromise. Goals of treatment include maintaining the airway, supporting blood pressure, and preserving body temperature. Preventing hypothermia is essential to the child's survival. Airway management and oxygenation are the highest priorities in pediatric shock.
Q18In which sequence does blood flow through the chambers of the heart?
✓ Correct answer: C. Right atrium, right ventricle, left atrium, left ventricle (repeat)
Blood returns to the heart via the right atrium, passes into the right ventricle, travels through the pulmonary capillary beds to be oxygenated, returns to the left atrium, and then passes into the left ventricle, which pumps freshly oxygenated blood to the rest of the body.
Q19What term describes the overall change in vital signs that occurs in response to increased intracranial pressure?
✓ Correct answer: D. Cushing's Response
Cushing's Response refers to the set of vital sign changes associated with increased intracranial pressure, including rising blood pressure, a falling heart rate, and abnormal respiratory patterns. It represents the body's attempt to compensate for pressure on the brain from conditions such as head injuries or intracranial bleeding.
Q20Which type of ECG leads are unipolar leads that record cardiac electrical activity in the horizontal plane?
✓ Correct answer: D. Precordial leads
Precordial leads, also called chest leads, are unipolar leads that record cardiac electrical activity in the horizontal plane. They are used as part of 12-lead ECG monitoring and measure the amplitude of the heart's electrical current.
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