General Quiz Flashcards
What is the order of the meningeal layers and CSF from skull to brain
Dura, arachnoid, CSF, pia
What are the frontal and temporal lobes divided by?
The lateral sulcus
What does the limbic system include?
The amygdala, hippocampus, thalamus, hypothalamus, basal ganglia, and cingulate gyrus
The parahippocampal gyrus is part of what?
The limbic system
What is the left hemisphere dominant for in the majority of right-handed people?
Language
A lesion to the left precentral gyrus is mostly likely to result in what?
Loss of motor control on the right hand side of the body
Blood is supplied to Broca’s area via what?
Middle cerebral artery
The inferior and superior saggittal sinuses are contained within the what?
Lateral sulcus
The olfactory nerve receives afferent information via what?
The cribiform plate in the anterior cranial fossa
The optic nerves enter the skull via what?
The optic canal in the anterior cranial fossa
The posterior cranial fossa contains what?
The cerebellum and brainstem
Eye movements are controlled by which cranial nerves?
Oculomotor (3) and Trochlear (4)
How does the lateral rectus move the eye?
Laterally to look away from the body
The vertebral arteries, anterior and posterior spinal arteries and the spinal cord pass through which skull foramina?
The foramen magnum
The superior orbital fissure carries which cranial nerves?
Oculomotor (3), Trochlear (4), Trigeminal A branch: opthalamic (5) and the Abducens (6)
The semi-circular canals within the inner ear control what?
Balance
The superior and inferior colliculi (corpora quadrigemina) on the dorsal surface of the brainstem are part of the what?
Pupillary relfex and auditory pathways respectively
What are the two main functions of the medulla?
Respiration and heart rate
The trigeminal nerve is invovled in what?
Facial sensation
Which nerves are PURELY SENSORY?
Olfactory (1), Optic (2) and Vestibulocochlear (8)
What are the gracile and cuneate tubercles (gracile and cuneate fasciculi) on the dorsal surface of the medulla?
Ascending afferent pathways conveying sensory information from the legs and arms respectively
Which cranial nerves exit the skull via the interal acoustic meatus?
Facial (7) and Vestibulocochlear (8)
Mid-saggital transection of the optic chiasm is likely to result in?
Bitemporal hemianopia (no vision in outer half of both eyes)
The pyramids on the ventral surface of the medulla are a swelling marking what?
A swelling marking the position of the underlying descending (efferent) corticospinal tracts
The 3rd and 4th ventricles filled with CSF are connected via what?
Cerebral aqueduct running through the midbrain
The band of cells in the tegmentum seen when viewing a horizontal slice through the crus cerebri (cerebral peduncles) are responsible for the production of dopamine from the what?
Substantia nigra
Two important functions of the cerebellum are what?
Motor learning and balance
The primary cortex and somatosensory cortex are separated by what?
The central sulcus
The largest white matter bundle connecting the two brain hemispheres is what?
The corpus callosum
Primary motor cortex responsible for the lips is located bilaterally in what?
Ventrolateral precentral gyrus
The medial and lateral geniculate bodies invovled in relaying auditory and visual information respectively are part of what?
Thalamus
The cerebellum is supplied with blood via what?
Branches of the basilar and vertebral arteries
Severe memory impairment most commonly occurs with lesions of what?
The hippocampus
The lentiform nucleus is comprised of what?
Putamen and globus pallidus
The limbic system is mainly involved in what?
Emotion and memory
The floor of the anterior horn of the lateral ventricle is formed by what?
The head of the caudate nucleus
The amygdala is classically associated with the perception of what?
Fear
What is an example of a basil ganglia disorder?
Alzheimer’s Disease
Whar does the internal capsule separate?
The thalamus and caudate from the putamen
