Ap Ch. 10 & 11

Front 1

Forms cerebrospinal fluid

Back 1

Ependymal cells

Front 2

The choroid plexus is where this is formed

Back 2

Cerebrospinal fluid

Front 3

These cells synthesize myelin sheath of neurons in brain, spinal cord, and peripheral nerves

Back 3

Schwann cells & oligodendrocytes

Front 4

Branching structures that carry info toward cell body of neuron

Back 4

Dendrites

Front 5

Myelination of an axon does this

Back 5

Increases the speed of nerve impulse

Front 6

These are areas that are unmyelinated (exposed areas on axon)

Back 6

Nodes of Ranvier

Front 7

The emetic center received information from this

Back 7

Chemoreceptor trigger zone (CTZ)

Front 8

The gaze center enables the eyes to do this

Back 8

Track an object

Front 9

Structure in brain most associated with "wake up"

Back 9

Reticular Activating System (RAS)

Front 10

Lobe that contains the primary auditory cortex

Back 10

Temporal

Front 11

Injury to occipital lobe could cause loss of this

Back 11

Vision

Front 12

The precentral gyrus is located here

Back 12

Frontal lobe

Front 13

The precentral gyrus is where this homunculus is found

Back 13

Motor

Front 14

The postcentral gyrus contains this area

Back 14

Somatosensory

Front 15

Lobe that contains precentral gyrus, broca's area, & primary motor cortex

Back 15

Frontal

Front 16

The diencephalon consists of these 2 things

Back 16

Thalamus & hypothalamus

Front 17

Natural morphine-like substances that can reduce anxiety and induce sens of well-being

Back 17

Endorphins

Front 18

First phase of action potential caused by inward movement of sodium

Back 18

Depolarization

Front 19

Rapid efflux (moving out) of K+ restores this

Back 19

Internal negativity of the neuron

Front 20

Name of enzyme that destroys acetylcholine

Back 20

Acetylcholinesterase

Front 21

Opioid-induced depression (narcotics) of medulla oblongata can cause

Back 21

Depressed respiratory activity

Front 22

A transection or injury of spinal cord at C3 level could most likely cause

Back 22

Ventilator dependency & loss of all sensory & motor activity

Front 23

Where does cerebrospinal fluid circulate?

Back 23

In subarachnoid space & central canal

Front 24

Diffusion of CSF from blood within dural sinuses into subarachnoid space is a function of these

Back 24

Arachnoid villi

Front 25

A supratentorial brain tumor would be superior to this

Back 25

Tentorium cerebelli

Front 26

To achieve spinal cord anesthesia, a -caine drug is injected into this area

Back 26

Subarachnoid space

Front 27

Damage to this nerve prevents extension of hip and flexion of knee

Back 27

Sciatic

Front 28

Damage to common peroneal nerve causes this

Back 28

Footdrop

Front 29

The ulmar, radial, & medial nerves send signals to these 2 areas

Back 29

Forearm and hand

Front 30

This nerve tract carries info toward the brain

Back 30

Spinothalamic

Front 31

Cervical, brachial, and lumbosacral are types of these

Back 31

Plexuses

Front 32

This tract arises within the spinal cord & ascends to the diencephalon

Back 32

Spinothalamic

Front 33

The pyramidal tract descends to the

Back 33

Medulla oblongata

Front 34

Sensory nerve fibers travel from periphery to spinal cord through this

Back 34

Doral root

Front 35

The 5th cranial nerve (V) is called the _______ nerve

Back 35

Trigeminal

Front 36

Damage to this cranial nerve causes a weak blink of the eye

Back 36

Facial nerve

Front 37

Doing this stimulates the Babinski reflux

Back 37

Stroking sole of the foot

Front 38

Olfactory, optic and oculomotor are types of these

Back 38

Cranial nerves