EMT Airway exam Questions with Complete Answers Stridor - Answer-causes: constriction or blockage of the upper airway croup (infection of upper airway) or epiglottitis
fever, barking cough, drooling
Normal Respiratory Ranges (Adults, Children, Infants, Neonates, per min) - Answer-
Adults: 12-20
Children: 15-30
Infants: 25-50
neonates: 40-60
BVM Bag Volumes( Adult, Pediatric, Infant; mL) - Answer-Adult: 1200-1600
Pediatric: 500-700
Infant: 150-240
Normal Pulse Ox Reading - Answer-94-99%, unless the person has a breathing/circulation condition then the threshold for normality is around 88%
it can take as long as a minute to record
Primary Muscles of Ventilation - Answer-Diaphragm, Intercostal muscles
Secondary muscles of ventilation - Answer-neck muscles (sternocleidomastoids), chest pectoralis, and abdominal muscles
Signs of normal/adequate breathing - Answer-normal breathing rate (12-20 in adults)
regular pattern of inhalation and exhalation
clear and equal bilateral lung sounds
regular and equal chest rise and fall
adequate depth (tidal volume)
Tidal Volume - Answer-The amount of air that is moved in or out of the lungs during one
relaxed breath; for adults should be about 500 mL
CPAP - Answer-Continuous Positive Airway Pressure; for patients experiencing respiratory distress such as acute pulmonary edema (fluid buildup) or COPD. Rapidly breathing (over 26 per min) and a pulse ox. lower than 90%
Suctioning (how long? how much Pressure?) - Answer-time for adults: 15 sec, children 10 seconds, infants 5 seconds. Pressure at 300 m Hg
atelectasis - Answer-collapse of a lung
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