EMT airway exam study guide questions with correct answers

EMT airway exam study guide questions with correct answers dead space - Answer-The portion of the tidal volume that does not reach the alveoli and thus does not participate in gas exchange. - 150 mL in adults amount of air that reaches alveoli - Answer-350 mL amount of air exhaled - Answer-500 mL tidal volume - Answer-Amount of air that moves in and out of the lungs during a normal breath - 500 mL normal breathing rate - Answer-12-20 breaths per minute minute volume - Answer-The amount of air breathed in during each respiration multiplied by the number of breaths per minute. - TV x RR Signs of respiratory distress - Answer--SOB/dyspnea -increased breathing rate (tachypnea) - tripod position - restlessness - tachycardia - spo2 90-94% - alert mental status - pale skin - compensating for lack of oxygen signs of respiratory failure - Answer-- tachypnea - decreased tidal volume - cyanosis - confused or decreased mental status - spo2 below 90% - no longer compensating, unable to support life Cheyne-Stokes respiration - Answer-pattern of breathing characterized by a gradual increase of depth and sometimes rate to a maximum level, followed by a decrease, resulting in apnea - lots of varying tidal volumes between breaths - big clumps of lots of breath and apneic in between