Multiple Choice
As ventilatory muscles, the sternocleidomastoids do which of the following?
A) They elevate the upper chest, increasing chest anteroposterior diameter.
B) They elevate the ribs and decrease chest anteroposterior diameter.
C) They increase lateral chest movement during inspiration.
D) They lower the sternum, thus increasing chest anteroposterior diameter.
Correct Answer:
Verified
Correct Answer:
Verified
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