AEMT MIDTERM CERTIFICATION PREPARATION
GUIDE
◉ How many lobes does the Left lung have?
Answer: 2
◉ What is the job of the respiratory system?
Answer: to bring in O2 and remove CO2
◉ What are the jobs of the upper airway?
Answer: Humidify, Filter and Warm air
◉ What is partial pressure?
Answer: The amount of gas in air dissolved in a liquid
◉ Explain Henry's law
Answer: Molecules of a gas can be dissolved in a liquid and remain a
liquid so long as it is pressurized and remains in a closed container
◉ Amount of air moved into respiratory tract in one breath
Answer: Tidal Volume
,◉ What is air that doesn't reach alveoli to participate in gas
exchange called?
Answer: Dead Space Volume
◉ What is the formula for alveolar volume?
Answer: Tidal Volume - Dead Space Volume
◉ What is physiologic dead space?
Answer: Uncommon dead space due to things like obstructions or
atelecasis
◉ What is Minute Volume
Answer: Tidal volume of 1 minute x RR of 1 minute
◉ What is the Inspiratory Reserve Volume?
Answer: The amount of air that can be inhaled in addition to normal
tidal volume
◉ What is the Functional Reserve Volume?
Answer: The amount of air that can be exhaled after normal
,◉ What is the Residual Volume?
Answer: The amount of air in the lungs after maximum exhalation
◉ What is the Functional Reserve Capacity?
Answer: The amount of air exhaled normally
◉ Explain what the Hering Bruer reflex does
Answer: Stretch receptors signal the vagus nerve to halt inspiration
and exhale
◉ What regulates the rate and depth of ventilation?
Answer: pH of CSF
◉ What things do chemoreceptors monitor in the respiratory
system?
Answer: pH of CSF
Amount of CO2 in blood
Amount of O2 dissolved in plasma
◉ What is the primary autonomic respiratory center?
Answer: The medulla oblongata
, ◉ What is oxygenation?
Answer: the loading of O2 molecules onto hemoglobin
◉ What is Fi02
Answer: The percent of 02 in inspired air
◉ How much O2 is in room air
Answer: 21%
◉ What is Hemocrit?
Answer: % of RBC in whole blood
◉ How much O2 can 1 Hemoglobin hold?
Answer: 4 molecules
◉ What is oxygen saturation?
Answer: The amount of oxygen in plasma
◉ If CO2 is high, is the patient Acidotic or Alkilotic
Answer: Acidotic
◉ If the CO2 is abnormally low, is the patient Acidotic or Alkilotic?
GUIDE
◉ How many lobes does the Left lung have?
Answer: 2
◉ What is the job of the respiratory system?
Answer: to bring in O2 and remove CO2
◉ What are the jobs of the upper airway?
Answer: Humidify, Filter and Warm air
◉ What is partial pressure?
Answer: The amount of gas in air dissolved in a liquid
◉ Explain Henry's law
Answer: Molecules of a gas can be dissolved in a liquid and remain a
liquid so long as it is pressurized and remains in a closed container
◉ Amount of air moved into respiratory tract in one breath
Answer: Tidal Volume
,◉ What is air that doesn't reach alveoli to participate in gas
exchange called?
Answer: Dead Space Volume
◉ What is the formula for alveolar volume?
Answer: Tidal Volume - Dead Space Volume
◉ What is physiologic dead space?
Answer: Uncommon dead space due to things like obstructions or
atelecasis
◉ What is Minute Volume
Answer: Tidal volume of 1 minute x RR of 1 minute
◉ What is the Inspiratory Reserve Volume?
Answer: The amount of air that can be inhaled in addition to normal
tidal volume
◉ What is the Functional Reserve Volume?
Answer: The amount of air that can be exhaled after normal
,◉ What is the Residual Volume?
Answer: The amount of air in the lungs after maximum exhalation
◉ What is the Functional Reserve Capacity?
Answer: The amount of air exhaled normally
◉ Explain what the Hering Bruer reflex does
Answer: Stretch receptors signal the vagus nerve to halt inspiration
and exhale
◉ What regulates the rate and depth of ventilation?
Answer: pH of CSF
◉ What things do chemoreceptors monitor in the respiratory
system?
Answer: pH of CSF
Amount of CO2 in blood
Amount of O2 dissolved in plasma
◉ What is the primary autonomic respiratory center?
Answer: The medulla oblongata
, ◉ What is oxygenation?
Answer: the loading of O2 molecules onto hemoglobin
◉ What is Fi02
Answer: The percent of 02 in inspired air
◉ How much O2 is in room air
Answer: 21%
◉ What is Hemocrit?
Answer: % of RBC in whole blood
◉ How much O2 can 1 Hemoglobin hold?
Answer: 4 molecules
◉ What is oxygen saturation?
Answer: The amount of oxygen in plasma
◉ If CO2 is high, is the patient Acidotic or Alkilotic
Answer: Acidotic
◉ If the CO2 is abnormally low, is the patient Acidotic or Alkilotic?
