Which of the following is/are the primary muscle(s) of ventilation?
Diaphragm
External intercostals
Scalene
Pectoralis major
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV
Question 2
Which of the following is the best place to perform a physical examination on a six-month-old?
A) the waiting room
B) the parent's lap
C) an exam table
D) the floor