Pima EMT Chapter 10 JB Learning Quiz
Suctioning the oral cavity of an adult should be accomplished within:
15 Seconds
At a flow rate of 6 L/min, a nasal cannula deliver an approximate oxygen concentration of up to:
44%
While assisting with respirations, you note gastric distention. In order to prevent or alleviate the distention, you should
All of these answers are correct
Tidal volume
Amount of air moved during one breath
In contrast to inhalation, exhalation:
Is a passive process caused by increased intratoracic
Ventilation/perusion (V/Q ratio) mismatch occurs when:
A disruption in blood flow inhibits the exchange of oxygen and carbon dioxide in the lungs, even though the alveoli are filled with fresh oxygen
Inhalation
Active part of breathing
Intrapulmonry shunting occurs when
Blood coming from the right side of the heart bypasses nonfunctional alveoli and returns to the left side of the heart in an unoxygenated state
Based on current guidelines, in which of the following situations should supplemental oxygen be administered
Exposure to carbon monoxide and an oxygen saturation of 95%
All of the following are signs of hypoxia EXCEPT
Dehydration
Inhalation occurs when the:
Diaphragm and intercostal muscles contract and cause a decrease in thoracic pressure.
Which of the following structures is contained within the mediastinum
Esophagus
Ventilation
Exchange of air between lungs and the enviroment
Exhalation
Part of breathing during which thorax size decreases
While providing CPAP to a patient in severe respiratory distress, you note that his heart has increased by 20 beats/min. He is conscious, but no longer following verbal commands. You should
Remove the CPAP device and ventilate him with a bag-valve mask
Central chemoreceptors located in the medulla provide feedback to increase the rate and depth of breathing when they sense.
Slight increases in carbon dioxide or a decrease in the pH of the cerebrospinal fluid
While eating dinner, your partner suddenly grabs his throat and has a panicked look on his face. He has a weak cough, faint inspiratory stridor, and cyanosis around the lips. You should
Stand behind him and administer abdominal thrusts
The proper technique for sizing an oroopharyngeal airway before insertion is to measure the device from:
The corner of the mouth to earlobe
A nasopharyngeal is insterted
With the bevel facing the septum if inserted into the right nare
Gas exchange in the lungs is facilitated by:
adequate amounts of surfacant