Which of the following patients requires suctioning?
a. A 67 year old patient with CHF who is sitting upright and has crackles in the bases of his lungs
b. A 4 year old patient who is leaning forward who appears to be in distress and is drooling excessively
c. A 23 year old patient who is unconscious in a supine position from alcohol intoxication and has vomited
d. A 42 year old patient diagnosed with pneumonia who is sitting in a recliner coughing up discoloured phlegm