Prerequisites for successful weaning include: 1. psychological readiness. 2. adequate gag and swallow reflexes. 3. ability to follow instructions. 4. adequate cough.
a. 1, 2, and 3 only
b. 2 and 4 only
c. 1, 2, 3, and 4
d. 3 and 4 only
Q. 2 Which of the following drug categories can depress ventilatory drive and hinder weaning? 1. Analgesics 2. Narcotics 3. Hypnotics 4. Antibiotics
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
Q. 3 Which of the following must you verify when considering weaning an obtunded patient? 1. Adequate gag reflex 2. No depressant drugs 3. Adequate cough
a. 2 and 3 only
b. 1 and 2 only
c. 1, 2, and 3
d. 1 and 3 only
Q. 4 Above what pressure-time index (PTI) will most patients be unable to sustain spontaneous breathing?
a. 0.03
b. 0.05
c. 0.10
d. 0.15
Q. 5 Which of the following metabolic factors can hinder weaning? 1. Excessive carbohydrate feeding 2. Amino acidbased parenteral nutrition 3. Calorie intake = 1.5 resting energy expenditure (REE)
a. 2 and 3 only
b. 1 and 2 only
c. 1, 2, and 3
d. 1 and 3 only