18 Questions
Which muscle is responsible for closing the eyelid?
Orbicularis oculi muscle
What is the function of the facial nerve branch that pierces the parotid gland?
Supplies muscles of facial expression
What is the clinical relevance of a patient presenting with paralysis to oral muscles due to facial nerve dysfunction?
Difficulty eating, food collecting between teeth and cheeks
Which cranial nerve branch is responsible for carrying taste sensations from the anterior 2/3 of the tongue?
Chorda tympani nerve branch
What is the function of the stapedius muscle?
Moves the stapes bone in the middle ear
Which nerve branch exits the skull through the stylomastoid foramen?
Facial nerve proper branch
What is the action of the aponeurosis in the scalp?
To raise the eyebrows and pull down the forehead
What is the clinical relevance of the scalp in terms of infections and malignant lesions?
It is a pathway for the spread of infections and malignant lesions to the face and neck
What is the function of the facial nerve (CN VII) in facial expression?
It innervates the muscles of facial expression
What are the components of the scalp?
Skin, connective tissue, aponeurosis, loose areolar tissue, and pericranium
What is the significance of the scalp being rich in blood vessels?
It makes scalp wounds appear worse than they are
What is the recommended reading for the study of the face and scalp?
Moore's Clinically Oriented Anatomy (8th Edition), pages 851-872
Which facial muscle is responsible for flaring the nostrils during anger or exertion?
Nasalis
What is the name of the muscle that draws the angle of the mouth backwards?
Risorius
Which cranial nerve supplies the motor innervation to the facial muscles?
CN VII (facial)
What is the name of the segment of the facial nerve that passes through the middle ear?
Tympanic segment
Which of the following muscles is involved in the 'staring' or 'astonished' look in progressive supranuclear palsy?
Corrugator supercillii
What is the name of the branch of the facial nerve that supplies the lacrimal gland?
Greater Petrosal branch
Test your knowledge of the cranial nerves, including the chorda tympani nerve branch, facial nerve proper branch, and their functions. Learn about the pathways and roles of these nerves in our senses and bodily functions.
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