What the brain does

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What is cranial nerve VI and what is its function?

- Abducens Nerve: Eye Movement

What is the cranial nerve XI and what is its function?

- Accessory (or spinal accessory) nerve: head and shoulder movement

What are the three different layers of the meninges?

- Dura Mater - arachnoid - Pia Mater

What is cranial nerve VII and what has its function?

- Facial nerve: Facial expression, taste, secretions of the salivary and lacrimal glands

What is the cranial nerve IX and what is its function?

- Glossopharyngeal nerve: Taste, sensory fibers of pharynx and tongue, swallowing, and secretions of parotid gland

What can happen if we have ICP or herniation in the area of the medulla oblongata?

- It could be life threatening like instantly

What part of the body is the cerebellum constantly receiving messages from?

- Joints, tendons, muscles

What is the cranial nerve XII and what is its function?

- Movement of the tongue

What is the cranial nerve III and what is its function?

- Oculomotor nerve: Contraction of the iris and eye muscles

What is cranial nerve I and what is its function?

- Olfactory nerve: Sense of smell

What is the cranial nerve II and what is its function?

- Optic Nerve: Sight

Which part of the brain has the respiratory centers that work to produce normal breathing patterns?

- Pons

What does the cerebellum contain?

- Roughly 80% of the brains neurons

What does the brainstem consist of?

- The brain stem consist of the midbrain's pons, and medulla oblongata

What does the medulla oblongata contain?

- The medulla oblongata contains vital centers connected with respiration, heartbeat, and vasomotor activity (the control of smooth muscle activity in blood vessel walls).

What is cranial nerve V and what is its function?

- Trigeminal Nerve: sensory nerve to face, chewing

What is cranial nerve IV and what is its function>

- Trochlear Nerve: Eye movement

What was the cranial nerve X and what is its function?

- Vagus Nerve: Motor fibers to glands producing digestive enzymes, heart rate, muscles of speech, gastrointestinal motility, respiration, swallowing coughing, and vomiting reflex

What is cranial nerve VIII and what is its function?

- Vestibulocochlear (or auditory) nerve: hearing and balance

What is the hippocampus do?

- learning and long term memory

What do the ventricles of the brain do?

- manufacture cerebral spinal fluid

What are the functions of the CSF?

- protects the the structures of the brain like in a shock absorber; acts as a barrier to infectious organisms, toxic metabolites, and some drugs that enter the blood; floats the brain reduce pressure at its base; and helps maintain relatively constant intracranial pressure.

What is gray matter responsible for?

- responsible for our intellectual activities

What governs the wakefulness and sleep?

- reticular formation

What is the responsibility of the midbrain?

- vital ref.ex or involuntary reaction center visual and auditory reflexes

What does the cerebellum regulate?

- voluntary movement (completion of skilled movements) and balance - Coordinates muscle movement.

What is the cerebrum's responsibilities?

-Cortex that is responsible for movement

What does the Pia mater adhere to>

A delicate layer that adheres to the brain sand spinal cord

Where is the subarachnoid space located?

between arachnoid and pia mater

What is the biggest part of the brain?

cerebrum

What is the cerebrum made up of?

gray matter

What is the cerebrum divided into?

left and right hemispheres


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