15 Questions
What structures are enclosed in the cranial cavity?
The brain and its covering meninges
How many pairs of cranial nerves does the brain give rise to?
12
What is the connective tissue between the bones of the skull called?
Sutural ligament
Which bone is an exception in terms of being united to the skull by the Mobile temporomandibular joint?
Mandible
What is the upper part of the cranium called?
Vault
Which nerves contribute to the formation of the cervical plexus?
C1 to C4
Where do the cutaneous branches of the cervical plexus emerge?
From beneath the posterior border of the sternocleidomastoid muscle
Which nerve supplies the diaphragm with both sensory and motor innervation?
Phrenic nerve
Which arteries pin the phrenic nerve to the anterior scalene muscle as it descends in the neck?
Transverse cervical and suprascapular arteries
Which muscles are supplied by several muscular branches of the cervical plexus?
Rectus capitis anterior, rectus capitis lateralis, longus colli
What is the composition of the cervical plexus?
The cervical plexus is formed by the anterior rami of cervical nerves C2 to C4, and possibly a contribution from the anterior ramus of cervical nerve C1.
Which major nerve arises from the anterior rami of cervical nerves C3 to C5 and supplies the diaphragm with both sensory and motor innervation?
Phrenic nerve
What are the two main types of branches of the cervical plexus?
Muscular (or deep) branches; Cutaneous (or superficial) branches
Which muscles receive supply from several muscular branches of the cervical plexus?
Prevertebral and lateral vertebral muscles, including the rectus capitis anterior, rectus capitis lateralis, longus colli, and longus capitis
What structures do the muscular branches of the cervical plexus distribute to?
Several groups of muscles, including the diaphragm, prevertebral and lateral vertebral muscles
Test your knowledge of the anatomy of the head, including the skull, brain, meninges, special senses like the eye and ear, and the cranial nerves. This quiz will cover the structures and functions of the head and neck region.
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