Quiz Review Flashcards
Sella turcica can be found in the ___ cranial fossa
Middle
The glossopharyngeal nerve exits the skull through what opening?
Jugular foramen
The maxillary division of the trigeminal N (CN V) leave the skull through the formamen___
Rotundum
Laceration of the wall of the meningeal artery would result in accumulation of blood within __ space
Epidural
What structure passes through the formamen spinosum?
Middle meningeal artery
What cranial nerves enter into the internal acoustic meatus?
VII
VIII
The mandibular portion of the trigeminal N leave the skull through what opening?
Foramen ovale
Optic nerve and ophthalmic ___ mass through optic canal
Artery
Cerebrospinal fluid enters the venous system ___
At arachnoid villi
Fibers of accessory nerve (CN XI) pass through the ___
Foramen magnum
The perisosteal layer of dura mater ___
Is the same as endocranium
A subdural hematoma usually ___
Spreads across the entire hemisphere of the brain
Ophthalmic artery enters the orbit via___
Superior orbital fissure
Cranial nerve XII exits the skull via the
Hypoglossal canal
Subarachnoid space contains
CSF
Infections may spreads from the nasal cavity to the meninges along the olfactory nerves, as its fibers pass fro the mucosa of the nasal cavity to the olfactory bulb through the ___
Olfactory foramina
The CSF is produced by the ___
Choroid plexus
The 3rd ventricle communicates with the 4th ventricle via the ___
Cerebral aqueduct
The glucose level in the CSF is about ___
2/3 of blood plasma (66%)
CSF enters the venous system at ___
Arachnoid villi
Foramen of Magendie connects the ___
4th ventricle and Cisterna magna
2 small oval clusters of neurons on either side f the 4th ventricle rostral to the obex are called____
Area postrema
CSF may enter the subarachnoid space via the
Aperture of Luschka
The 3rd ventricle is located at the level of
Diencephalon
The head of caudate nucleus forms lateral wall of which ventricle?
Lateral
Circumventricular organs are characterized by___
Absence of blood brain barrier
Cerebral aqueduct is located at what level?
Midbrain
Central canal of the spinal cord communicates with what cavity?
4th ventricle
The junction of the body, occipital horn, and temporal horn of the lateral ventricle is called the ___
Antrum
Clouded cerebrospinal fluid with numerous neutrophils, elevated protein levels, and depleted glucose would be characteristic of what condition?
Bacterial meningitis
Ambient cistern is at the level of what structure?
Midbrain
Occipital lobes are separated from the cerebellum by the ___ fissure
Transverse
Frontal and parietal lobes are separated by the ___
Central sulcus
The anterior parts of the temporal lobes are located in the ___ cranial fossa
Middle
The neocortex has ___ distinct layers
6
Which layer of the primary motor cortex contains giant cells of
Betz?
Internal pyramidal (5)
Motor areas are characterized by the presence of prominent layer ___
V
Which cortical areas controls the learned motor skills of a repetition or patterned nature? (Playing piano)
Premotor cortex
A 56 year old woman complains of headaches. The patients eyes and head are turned to the left side and there is mild hemiparesis on the right side. The lesion most likely involves the ___
Middle frontal gyrus
Bilateral coordination of skeletal muscle contractions during performance of a particular task is a function of what cortical area?
SMA
Posterior part of the inferior frontal gyrus in the dominant hemisphere is called ___?
Broca’s area
The ability to identify the body region being stimulated is a function of ___ gyrus
Postcentral
Somatosensory association cortex can be found in the ___
Superior parietal lobule (areas 5, 7)
Lesions in which area result in inability to identify object to feel?
Supramarginal gyrus
Primary visual cortex is located in both banks of the ____ sulcus
Calcarine
Transverse gyrus of Heschl is the location of ___ cortex
Primary auditory
Primary olfactory cortex is located in the ___
Uncus
All primary sensory areas receive input via the thalamus, except for the primary ___
Olfactory
Primary auditory cortex can be found in which lobe?
Temporal
A 67 year old female has suffered a stroke. She has difficulty copying the simple diagrams, even though she hears and understands your requests to do so. You notice that she only has make-up on the right side of her face and does not seem to know where her left hand is in space. Which cerebral artery might have been occluded to cause the symptoms?
Right middle
A 56 year old patient has a language problem involving an impaired ability to repeat an examiner’s commands. Her speech is fluent, and comprehension seems intact. You suspect ___aphasia
Conduction
A 58 year old patient suddenly can no longer read or write. He seems to speak normally, although he misuses words, and he understands and executes simple motor commands. Later testing reveals he cannot add and subtract, and he cannot identify which fingers are which. His lesion has affected the ___
Angular gyrus
A 59 year old lawyer suffers a bad fall that results in head trauma. His motor, sensory, and language skills are intact after the incident, and he has no visual problems. In the following weeks, he begins to lose interest in his work and doesn’t seem to care much about his family. The trauma lost likely affect the ___ lobe.
Frontal
The vertebral artery is a branch of___
Subclavian Artery
The central artery of the retina is a branch of the ___ artery
Ophthalmic
The leg and foot area of motor and sensory cortices is supples by the anterior ___ artery
Cerebral
Which artery is the most common site for berry aneurysms?
Anterior communicating
Which artery supplies the Wernicke’s area?
Middle cerebral
The posterior inferior cerebellar artery (PICA) is a branch of the ___ artery
Vertebral
The cochlea and vestibular apparatus receive their blood supply front the ___ artery
Labyrinthine
The major blood supply to the midbrain is provided by the ___ artery
Posterior cerebral
The primary visual cortex is supplied by the ___ artery
Posterior cerebral
The ___ sinus is formed by the great cerebral vein (of Galen) and the inferior sagittal sinus
Straight
The union of the superior sagittal, straight, and transverse sinuses is called the ___
Confluence of sinuses
Which sinus lies along the curve of get lesser wing of the sphenoid bone?
Sphenoparietal
The insula receives its blood supply from the ___ artery
Middle cerebral
Which structure would be affected by aneurysm of anterior communication artery?
Optic chiasm
A 67 year old male patient has suffered a stroke. He has difficulty copying simple diagrams, even though he hears and understands your requests to do so. You notice that he only has the right side of his face shanked and does not seem to know where his left hand is in space. Which cerebral artery might have been occluded to cause these symptoms?
Right middle
