prelab ex 9

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The outer layer of the cerebrum is the ______. It is composed of ______matter so it mainly contains cell bodies.

Cerebral cortex, gray

The major pathway of communication between the right and left hemisphere is the:

Corpus callosum

If you have increased acid production in your stomach, which cranial nerve may doctors sever to decrease acid?

Vagus

The inferior colliculi of the tectum help you respond to

auditory stimuli, for example, when you turn toward a loud bang.

Cerebrospinal fluid is formed by the:

choroid plexus

If you have a perpetual dry mouth; this cranial nerve may not be functioning correctly.

glossopharyngeal

feelings of hunger, fullness and thirst stimulate centers here so that you can respond accordingle

Hypothalamus

principle regulator of visceral activities because it acts as a liaison between the cerebral cortex and autonomic nerves

Hypothalamus

Damage to the accessory nerve would result in

Inability to turn head or shrug shoulders

Which cranial nerve senses light and which cranial nerve controls the iris contraction/dilation?

Optic; oculomotor

Superior colliculi are involved with head movements in response to auditory stimuli

This is false

The cerebellar cortex is involved with memory and analyzing sensory data.

false

The blood-brain barrier

lets lipid-soluble substances, such as O2, CO2 and many anesthetic agents enter the brain.

The system that is involved with emotions

limbic system

You are at the dentist to receive a root canal. The dentist gives you a shot of Novocain. Which cranial nerve will be mostly affected?

trigeminal nerve


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