EMT EXAM SCRIPT TESTED QUESTIONS AND
SOLUTIONS 100 PERCENT CORRECT
◉ A patient who is suspected of being hypoxic and is breathing
adequately should be given supplemental oxygen with a:
Select one:
A. bag-mask device.
B. nonrebreathing mask.
C. nasal cannula.
D. mouth-to-mask device. Answer: B. nonrebreathing mask.
◉ All of the following will help minimize the risk of gastric
distention when ventilating an apneic patient with a bag-mask device,
EXCEPT:
Select one:
A. delivering each breath over 1 second.
B. increasing the amount of delivered tidal volume.
C. ventilating the patient at the appropriate rate.
D. ensuring the appropriate airway position. Answer: B. increasing
the amount of delivered tidal volume.
◉ An adult at rest should have a respiratory rate that ranges between:
Select one:
,A. 8 and 15 breaths/min.
B. 22 and 24 breaths/min.
C. 12 and 20 breaths/min.
D. 10 and 18 breaths/min. Answer: C. 12 and 20 breaths/min.
◉ An oxygen cylinder should be taken out of service and refilled
when the pressure inside it is less than:
Select one:
A. 1,500 psi.
B. 500 psi.
C. 200 psi.
D. 1,000 psi. Answer: B. 500 psi.
◉ At a flow rate of 6 L/min, a nasal cannula can deliver an
approximate oxygen concentration of up to:
Select one:
A. 24%.
B. 35%.
C. 52%.
D. 44%. Answer: D. 44%.
◉ Central chemoreceptors located in the medulla provide feedback to
increase the rate and depth of breathing when they sense:
Select one:
, A. slight increases in carbon dioxide or a decrease in the pH of the
cerebrospinal fluid.
B. decreased levels of oxygen in the blood and an increase in the pH
of the cerebrospinal fluid.
C. slight decreases in carbon dioxide and an increase in the pH of the
cerebrospinal fluid.
D. increased levels of oxygen in the blood and a decrease in the pH of
the cerebrospinal fluid. Answer: A. slight increases in carbon dioxide
or a decrease in the pH of the cerebrospinal fluid.
◉ For which of the following conditions would the EMT most likely
administer humidified oxygen?
Select one:
A. Apnea
B. Blood loss
C. Croup
D. Hypoxia Answer: C. Croup
◉ Gas exchange in the lungs is facilitated by:
Select one:
A. adequate amounts of surfactant.
B. pulmonary capillary constriction.
C. surfactant-destroying organisms.
D. water or blood within the alveoli. Answer: A. adequate amounts of
surfactant.
SOLUTIONS 100 PERCENT CORRECT
◉ A patient who is suspected of being hypoxic and is breathing
adequately should be given supplemental oxygen with a:
Select one:
A. bag-mask device.
B. nonrebreathing mask.
C. nasal cannula.
D. mouth-to-mask device. Answer: B. nonrebreathing mask.
◉ All of the following will help minimize the risk of gastric
distention when ventilating an apneic patient with a bag-mask device,
EXCEPT:
Select one:
A. delivering each breath over 1 second.
B. increasing the amount of delivered tidal volume.
C. ventilating the patient at the appropriate rate.
D. ensuring the appropriate airway position. Answer: B. increasing
the amount of delivered tidal volume.
◉ An adult at rest should have a respiratory rate that ranges between:
Select one:
,A. 8 and 15 breaths/min.
B. 22 and 24 breaths/min.
C. 12 and 20 breaths/min.
D. 10 and 18 breaths/min. Answer: C. 12 and 20 breaths/min.
◉ An oxygen cylinder should be taken out of service and refilled
when the pressure inside it is less than:
Select one:
A. 1,500 psi.
B. 500 psi.
C. 200 psi.
D. 1,000 psi. Answer: B. 500 psi.
◉ At a flow rate of 6 L/min, a nasal cannula can deliver an
approximate oxygen concentration of up to:
Select one:
A. 24%.
B. 35%.
C. 52%.
D. 44%. Answer: D. 44%.
◉ Central chemoreceptors located in the medulla provide feedback to
increase the rate and depth of breathing when they sense:
Select one:
, A. slight increases in carbon dioxide or a decrease in the pH of the
cerebrospinal fluid.
B. decreased levels of oxygen in the blood and an increase in the pH
of the cerebrospinal fluid.
C. slight decreases in carbon dioxide and an increase in the pH of the
cerebrospinal fluid.
D. increased levels of oxygen in the blood and a decrease in the pH of
the cerebrospinal fluid. Answer: A. slight increases in carbon dioxide
or a decrease in the pH of the cerebrospinal fluid.
◉ For which of the following conditions would the EMT most likely
administer humidified oxygen?
Select one:
A. Apnea
B. Blood loss
C. Croup
D. Hypoxia Answer: C. Croup
◉ Gas exchange in the lungs is facilitated by:
Select one:
A. adequate amounts of surfactant.
B. pulmonary capillary constriction.
C. surfactant-destroying organisms.
D. water or blood within the alveoli. Answer: A. adequate amounts of
surfactant.
