Head & Neck Flashcards
(26 cards)
What is the primary muscle responsible for mastication?
Masseter
True or False: The temporomandibular joint (TMJ) is the joint that connects the jaw to the skull.
True
Fill in the blank: The _______ bone is commonly referred to as the jawbone.
mandible
Which muscle elevates the mandible during chewing?
Masseter
What is the function of the sternocleidomastoid muscle?
It rotates and flexes the neck.
Which nerve innervates the diaphragm?
Phrenic nerve
What bony landmark is located at the base of the skull and articulates with the first cervical vertebra?
Occipital condyles
What is the main action of the trapezius muscle?
It elevates, retracts, and rotates the scapula.
True or False: The hyoid bone is connected to other bones in the body.
False
Which muscle is responsible for facial expressions?
Zygomaticus major
What joint allows movement of the head and neck?
Atlanto-occipital joint
Fill in the blank: The _______ nerve is responsible for the sensation of taste in the anterior two-thirds of the tongue.
facial
What muscle is located at the back of the neck and helps in neck extension?
Splenius capitis
Which bony structure serves as the attachment point for the sternocleidomastoid muscle?
Mastoid process
What is the primary function of the orbicularis oris muscle?
To close and protrude the lips.
True or False: The nasal bone is a paired bone.
True
Which nerve innervates the muscles of mastication?
Trigeminal nerve (V3)
What is the term for the joint between the maxilla and the mandible?
Temporomandibular joint (TMJ)
Fill in the blank: The _______ artery supplies blood to the face.
facial
What muscle is responsible for raising the eyebrows?
Frontalis
Which structure forms the roof of the mouth?
Palatine bone
True or False: The zygomatic bone is part of the orbit.
True
What is the action of the platysma muscle?
It tenses the skin of the neck.
Which nerve is responsible for the sensation of the posterior one-third of the tongue?
Glossopharyngeal nerve (IX)
