Random Qs Flashcards
What lies directly above the tentorium?
The occipital lobe
What vessel(s) serve(s) the primary somatosensory cortex?”
Both the anterior and middle cerebral arteries
Sudden occlusion of which artery, near its origin, will produce the most devastating effects?
A. The anterior cerebral artery.
B. The middle cerebral artery of the dominant hemisphere.
C. The middle cerebral artery of the nondominant hemisphere.
D. The posterior cerebral artery of the dominant hemisphere.
E. The posterior cerebral artery of the nondominant hemisphere.
B as it supplies the: somatosensory cortex The motor cortex Speech centres in the frontal, parietal and temporal areas Auditory cortex
Which artery serves the Broca’s area and the Wernicke’s area?
The muddle cerebral artery
What vessel supplies the primary auditory cortex
The middle cerebral artery
Where is the primary auditory cortex located?
Located on the transverse gurus of heschl
What vessel(s) serve(s) the primary motor cortex?
Both the anterior and middle cerebral arteries
Where is the primary visual cortex located?
In the occipital lobe
On either sides of the calcarine fissure
What is the primary visual cortex vascularised by?
Branches of the posterior cerebral artery
What area of the brain does speech comprehension depend on?
Wernicke’s area of the superior temporal gyri
Occlusion of the right middle cerebral artery will likely result in:
A. Decreased sensation on the left arm and hand.
B. Decreased motor control of the left arm and hand.
C. Decreased speech comprehension (receptive aphasia).
D. A and B.
E. A, B and C.
D
Obstruction of the cerebral aqueduct would result in dilation of which of the following? A. Lateral ventricles B. Third ventricle C. Fourth ventricle D. A and B E. A, B, and C
D
What is the 4th ventricle Bordered by?
The pons, medulla and cerebellum
The corpus callosum is usually considered a: A. Decussation. B. Commissure. C. Tract. D. Funiculus. E. Fasciculus.
B
A great commissure of the brain
Does the CNS have lymph vessels?
No
What do the arachnoid granulation do?
They transfer CSF from the subarachnoid space into dural sinuses
What is infection in the meninges called?
meningitis
What does the ventricular system represent? A. Neural tube. B. Neural canal. C. Neuropore. D. Rathke's pouch.
B
What is Cerebrospinal fluid is produced by?
Choroid plexus cells
Which regions of the brain are associated with the IV ventricle?
Pons and Medulla and Cerebellum
Obstruction of the cerebral aqueduct would result in dilation of which of the following? A. Lateral ventricles B. Third ventricle C. Fourth ventricle D. A and B E. A, B, and C
D
The spinal nerves consist of ventral and dorsal roots. Where are the cell bodies of the axons in each root?
A. Ventral and dorsal root cell bodies are in ganglia, (clusters of cell bodies outside the CNS).
B. Ventral and dorsal root cell bodies are in the gray matter of the cord.
C. Ventral root cell bodies are in the gray matter of the spinal cord and dorsal root cell bodies are in ganglia.
D. Ventral root cell bodies are in ganglia and dorsal root cell bodies are in the gray matter of the spinal cord.
C
How do the meninges cover the spinal cord?
The dura, arachnoid, and pia all cover the spinal cord; the dura and arachnoid are tightly connected with each other.
What are the denticulate ligaments?
Collage OJ’s ligaments produced by the spinal pia that anchor it to the dura
Where do axons from the hypoglossal nucleus exit the medulla?
Between the pyramid and the olive.
Changes in personality and judgment are often associated with a \_\_\_\_\_lesion. A. Frontal lobe B. Parietal lobe C. Broca’s area D. Wernicke’s area
A
Changes in motor aphasia are often associated with a _______ lesion.
Broca’s area
Changes in sensory aphasia are often associated with a _______ lesion.
Wenicke’s area
Which of the following arteries supplies Broca’s area?
The middle cerebral artery
Which of the following arteries if ruptured can cause an oculomotor palsy?
Posterior cerebral cortex
