18 Questions
What type of cells are numerous in the Organ of Corti and are easily prone to damage?
Outer hair cells
Which type of cone cell is responsible for detecting the colour blue?
S cone
What is the name of the layered structure in the visual cortex where the optical nerve fibers terminate?
Stria of Gennari
Which neurotransmitter is released by Mitral cells in the olfactory bulb?
Glutamate
What is the name of the pathway that signals from the retina to the visual cortex?
Parvocellular pathway
In which part of the brain is the primary visual cortex located?
Occipital lobe
What is the function of bipolar cells in the retina?
To relay signals between rods/cones and ganglion cells
What is the role of 11-cis retinal in rod cells?
It is involved in the light state of rod cells, converting to all-trans retinal
Which layer of the visual cortex receives input from the parvocellular pathway?
Layer 4
What is the function of the magnocellular pathway in the visual cortex?
To detect movement and depth
What type of vision is mediated by cone cells?
All of the above
Which type of retinal cells connect rods and cones?
Horizontal cells
Which Brodmann's area is responsible for word understanding and comprehension?
Area 22
What type of aphasia is associated with a lesion in Brodmann's area 22?
Wernicke's aphasia
What is the function of the arcuate fasciculus bundle?
Connecting Broca's and Wernicke's areas
What percentage of cardiac output is cerebral blood flow?
15%
What is the effect of hypothermia on cerebral blood flow?
It decreases cerebral blood flow by 7%
What is the normal range of CSF pressure?
70-180 mm H2O
Test your knowledge of sensory pathways, including ipsilateral and contralateral loss of senses, sensory homunculus, and the process of vision from retina to visual cortex.
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