None Transcribed Image Text: 4- The posterior triangle of the neck is further subdivided into occipital triangle and supraclavicular triangle O by the omohyoid muscle by the sternocleidomastoid muscle O

None Transcribed Image Text: 4- The posterior triangle of the neck is further
subdivided into occipital triangle and supraclavicular
triangle
O by the omohyoid muscle
by the sternocleidomastoid muscle
O by the trapezius muscle
none of above
5-The carotid sinus serves as a chemoreceptor , being
sensitive to excess carbon dioxide and reduced oxygen
tension in the blood
O True
O False
6- The common carotid artery divides into the external
and internal carotid arteries behind the neck of the
таndible
True
O False