WEST COAST EMT BLOCK EXAM 2
COMPREHENSIVE QUESTIONS AND
SOLUTIONS
◉ NRB (when to use it)
Answer: trouble breathing but can still breathe on their own
O2 saturation in mid 90s
◉ BVM (when to use it)
Answer: cannot breathe on their own (mechanical issue)
shallow breathing
◉ When do you check carotid pulse?
Answer: unconscious
◉ When do you check radial pulse?
Answer: conscious
◉ When do you check brachial pulse?
Answer: infants
, ◉ Single Rescuer CPR
Answer: Mouth to mask for 30 compressions (one-way valve)
◉ Ventilation
Answer: movement of air in and out of lungs
◉ Respiration
Answer: exchange of O2 within alveoli
◉ Oxygenation
Answer: attachment of O2 to hemoglobin on RBCs
◉ What happens during inhalation?
Answer: diaphragm/intercostal muscles contract (neg. pressure)
◉ What happens during exhalation?
Answer: diaphragm/intercostal muscles relax (pos. pressure)
◉ Hypoxic Drive (& what triggers it)
Answer: driven by lack of O2
triggered my chemoreceptors!
◉ Acidosis
COMPREHENSIVE QUESTIONS AND
SOLUTIONS
◉ NRB (when to use it)
Answer: trouble breathing but can still breathe on their own
O2 saturation in mid 90s
◉ BVM (when to use it)
Answer: cannot breathe on their own (mechanical issue)
shallow breathing
◉ When do you check carotid pulse?
Answer: unconscious
◉ When do you check radial pulse?
Answer: conscious
◉ When do you check brachial pulse?
Answer: infants
, ◉ Single Rescuer CPR
Answer: Mouth to mask for 30 compressions (one-way valve)
◉ Ventilation
Answer: movement of air in and out of lungs
◉ Respiration
Answer: exchange of O2 within alveoli
◉ Oxygenation
Answer: attachment of O2 to hemoglobin on RBCs
◉ What happens during inhalation?
Answer: diaphragm/intercostal muscles contract (neg. pressure)
◉ What happens during exhalation?
Answer: diaphragm/intercostal muscles relax (pos. pressure)
◉ Hypoxic Drive (& what triggers it)
Answer: driven by lack of O2
triggered my chemoreceptors!
◉ Acidosis
