1What are the three meningeal layers?
Dura mater, arachnoid mater, pia mater
2Which space in the brain contains major cerebral blood vessels and CSF?
Subarachnoid space
3What are the main arteries of the dura mater?
Middle meningeal artery
4Which cranial nerve emerges from the medulla and exits the skull through the jugular foramen?
Vagus nerve (CN X)
5Which layer of the scalp is known as the "danger area" due to infection risk?
Loose connective tissue layer
6Which lobe of the brain is responsible for sensory integration?
Parietal lobe
7What part of the brainstem contains respiratory and cardiac centers?
Medulla
8Which cranial nerve provides motor control to the lateral rectus muscle?
Abducens nerve (CN VI)
9What is the function of arachnoid granulations?
Absorb cerebrospinal fluid into the venous system
10Which cranial nerve is responsible for motor control of the intrinsic and extrinsic tongue muscles?
Hypoglossal nerve (CN XII)
11Which artery supplies the medial side of the anterior cerebral lobes?
Anterior cerebral artery
12Which cranial nerve is responsible for motor control of the superior oblique muscle?
Trochlear nerve (CN IV)
13Which cranial nerve provides sensory innervation to the face?
Trigeminal nerve (CN V)
14What are the two layers of the dura mater?
Periosteal layer and meningeal layer
15What is the function of the pia mater?
Adheres closely to the brain and spinal cord, covering the gyri and sulci
16What type of matter contains myelinated axonal tracts that communicate between brain parts?
White matter
17Which cranial nerve provides parasympathetic motor control to the heart and digestive tract?
Vagus nerve (CN X)
18What is the function of the choroid plexus?
Produces cerebrospinal fluid
19What does the tentorium cerebelli separate?
The cerebrum from the cerebellum
20Which artery connects the basilar and carotid systems in the brain?
Posterior communicating artery
21What is the clinical significance of the circle of Willis?
Provides collateral blood flow to the brain in case of artery blockage