Pharyngeal arches

The cartilage of 2nd pharyngeal arch gives origin to;

• Incus

• Malleus

• Stapes

• All of the above

All are derivatives of 1st arch except;

• Anterior ligament of malleus

• Sphenomandibular ligament

• Stylohyoid

• Temporalis

Tonsil is derived from which endodermal pouch?

• 1st

• 2nd

• 3rd

• 4th

Superior parathyroid gland develop from which endodermal pouch?

• 1st

• 2nd

• 3rd

• 4th

Pharyngeal mucosa is innervated by the glossopharyngeal because it develops from the

• 1st arch

• 2nd arch

• 3rd arch

• 4th arch

What is the embryological origin of the hyoid bone?

• 1st arch

• 1st and 2nd arches

• 2nd arch

• 2nd and 3rd arches

Which of the following muscles are derived from the first branchial arch?

• Muscles of mastication

• Muscles of mastication and anterior belly of digastric

• Muscles of mastication,anterior and posterior belly of digastric.

• Muscles of mastication,anterior and posterior belly of digastric and genohyoid.