While checking a Miller and a MacIntosh blade on an intubation tray during an emergency intu-bation, you find that the Miller blade "lights" but the MacIntosh blade does not. What should you do now?

a. Swap the defective MacIntosh for the good Miller blade.
b. Check and replace the bulb in the MacIn-tosh blade.
c. Replace the batteries in the laryngoscope handle.
d. Check and clean the laryngoscope handle electrical contact.

ANS: B
If the light does not function, first check that the bulb is tight. If the scope still does not light, check the batteries or replace the bulb.