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Unilateral contraction of the [BLANK-1] and medial pterygoid muscles results in the chin moving to the opposite side. (1 Mark)

Match the embryonic structure to its definitive adult derivative.                (4 Marks)

Fill-in blank: The [BLANK-1] nerve is a major content of the submandibular triangle. (1 Mark)

Fill-in blank: The [BLANK-1] forms the superior boundary of the muscular triangle.                                                                                                                         (1 Mark)

Fill-in blank: The [BLANK-1] is a closed, hollow structure formed when the otic placode invaginates during the third and fourth weeks.                                           (1 Mark)

Fill-in blank: The [BLANK-1] air cells are not present at birth; they only begin to form around age two as the sternocleidomastoid muscle induces the mastoid process.               (1 Mark)

The articular surfaces of the TMJ are uniquely covered by [BLANK-1] rather than hyaline cartilage.                                                                                                                      (1 Mark)

Fill-in blank: The nasopharynx is lined with [BLANK-1] epithelium, which differs from the protective stratified squamous epithelium found in the oropharynx.     (1 Mark)

Fill-in blank: The [BLANK-1] artery is the terminal branch of the external carotid that passes anterior to the ear and supplies the temporalis muscle and lateral face. (1 Mark)

The [BLANK-1] muscle arises from the medial end of the superciliary arch and is active when an individual is frowning.                                                                         (1 Mark)