Which of the following techniques are useful to avoid claustrophobia in the patient being venti-lated by face mask?

1. Allow patient to hold the mask.
2. Increase the inspiratory flow.
3. Use sedation.
4. Use a larger mask.
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

ANS: B