Module 3 Flashcards
Which of the following structures is NOT found in the upper airway?
Bronchus
Structures of the lower airway include all of the following EXCEPT the…
Pharynx
What normally occurs when the level of carbon dioxide in the blood becomes too high?
The brainstem sends messages to the diaphragm and intercostal muscles and respirations increase
Which of the following conditions would LEAST likely result in severe hypoxia?
High blood sugar levels
Irreversible brain damage and death are almost assured if the body cells are deprived of oxygen for greater than…
10 minutes
In a healthy individual, the primary respiratory drive is based on…
Increased arterial carbon dioxide levels
Which of the following statements regarding normal gas exchange in the lungs is correct?
Oxygen and carbon dioxide diffuse across the alveolar walls in capillaries
Hypoxic drive, the primary stimulus to breathe for patients with certain chronic respiratory diseases, is influenced by…
Low blood oxygen levels
The actual exchange of oxygen and carbon dioxide occurs in the…
Alveolar sacs
In which of the following patients with a head-tilt chin-lift maneuver be the MOST appropriate method of opening the airway?
A 37 year old female who was found unconscious in her bed
The jaw-thrust maneuver is used to open the airways of patients with suspected…
Cervical spine injuries
Inhalation occurs when the…
Diaphragm and intercostal muscles contract and cause a decrease in the intrathoracic pressure
What is the MOST common cause of airway obstruction in the unconscious patient?
The tongue
An adult at rest should have a respiratory rate that ranges between…
12 and 20 breaths per minute
Of the 21% room oxygen that a person inhales, approximately …..% is exhaled.
16
