Which of the following is the correct way of writing a dose of morphine injection for an infant?

A newborn initially presented with a heart rate of 152 and regular, unlabored respirations at 46 . Since central cyanosis was present, oxygen was given by blow-by. After about a minute, the cyanosis was still present. You should:

a. discontinue the oxygen, since the cause is probably not respiratory in nature. b. begin positive-pressure ventilation with a bag-valve mask. c. immediately intubate the newborn's trachea, then ventilate with a bag-valve mask. d. begin chest compressions.

Which type or class of fire involves ordinary combustibles?

A) A B) B C) C D) D