H. Phys Review Dump

V-snares are located on.....

• Ca2+ channels

• Vesicles

• mitochondria

• Synaptic cleft

Severing the entire optic nerve results in.....

• Loss of vision in the upper visual

• loss of vision in the lower quarter

• Loss of vision in the lower visual

• Monocular visual loss

Which of the following does not help make up gray matter?

• Looks gray due to the presence of neurons and blood vessels

• Comprised mostly of myelinated axons

• Contains unmyelinated and some myelinated axons

• Neuronal cell bodies

Which modulatory system is involved in Parkinson's disease?

• Norepinphrine

• Dopaminergic

• Cholinergic

• Serotinergic

In the absence of light, photoreceptors are....

• hyperpolarized

• neutral

• depolarized

• it depends

Which is NOT a property of the BBB?

• Helps maintain the homeostasis of the brain

• Prevent molecules larger than 500 Da from entering the brain

• Helps transport viruses and bacteria out of the brain

• Allows glucose, water and oxygen access to the brain

Which is a feature of modulatory systems?

• Regulates the general excitability of the CNS

• spatially focused networks

• Not involved in psychiatric disorders

• Regulates the specific excitability of the CNS

Glutamate ("Umami") as a taste stimulus....

• has no taste

• tastes sweet

• uses a metabotropic receptor

• binds to a glutamate-gated, nonselective cation channel

Which area of the brain is involved in speech production?

• Wernicke's

• Hippocampus

• Broca's

• Striatum

What are the 4 main regions of the CNS?

• Cerebral hemisphere, diencephalon, cerebellum and brain stem

• Cerebral hemisphere, basal forebrain, brain stem and spine

• Cerebral hemisphere, Broca's area hippocampus and brain stem

• Cerebral hemisphere, Broca's area, cerebellum and spine