A common cause of upper airway obstruction is poor:

A common cause of upper airway obstruction is poor:
 
  A) circulation.
  B) gas exchange.
  C) muscle tone.
  D) tidal volume.

Question 2

A construction foreman has been stabbed in the right anterior chest with a screwdriver by an angry worker. He is conscious and oriented and complaining of pain to the injury site. Prior to your arrival, he removed the screwdriver. Your primary assessment reveals a patent airway, adequate breathing, and strong radial pulse. Based on these findings, you should:
 
  A) administer oxygen through a nonrebreather mask.
  B) take manual inline spinal stabilization.
  C) insert a nasopharyngeal airway.
  D) open the airway using the jaw-thrust maneuver.

Question 3

Which of the following is controlled by the levels of CO2 and O2 in the blood and cerebrospinal fluid?
 
  A) Ventilation
  B) Respiration
  C) Cardiac output
  D) Inspiration