Biol 2130 Quiz 1

Front 1

2 divisions of PNS

Back 1

Sensory and Motor

Front 2

2 divisions in Sensory of PNS

Back 2

Somatic Sensory
Visceral sensory

Front 3

Impulses from receptors in skin, skeletal muscles, bones and joints

Back 3

Somatic Sensory

Front 4

impulses from internal viscera (heart lungs, kidney)

Back 4

Visceral Sensory

Front 5

2 divisons in Motor of PNS

Back 5

Somatic (voluntary) Motor
Autonomic (involuntary) Motor

Front 6

neurons that conduct impulses from CNS to skeletal muscle and allow conscious control

Back 6

Somatic Motor

Front 7

neurons that conduct impulses from CNS to smooth muscle, cardiac muscles, and glands

Back 7

Autonomic Motor

Front 8

from which the axon arises

Back 8

Axon hillock

Front 9

Cell body is also kown as:

Back 9

Soma

Front 10

Comes off cell body, short and higly branched and numerous:

Back 10

Denterite

Front 11

Area where axon branches:

Back 11

Axon Collateral

Front 12

Plasma membrane of Axon

Back 12

Axolema

Front 13

Cytoplasm of Axon:

Back 13

Axoplasm

Front 14

End of Axon:

Back 14

Axon teledenria

Front 15

Neurons are stimulated where:

Back 15

In Dendritic Zone

Front 16

Support cells to neurons:

Back 16

Neurogleal cells

Front 17

formation of mylaine sheeth wraped around axon in PNS

Back 17

Schwann Cells

Front 18

Name given to gap between Schwann Cells:

Back 18

Node of Ranvier

Front 19

formation of mylaine sheeth wraped around axon in CNS

Back 19

Oligodendrocytes

Front 20

Surface of Schwann cells

Back 20

Neurilemma

Front 21

Neurogleal cell associated with blood brain barrier: (CNS)
(surround brain cappilaries)

Back 21

Astrocytes

Front 22

Astrocytes have what kind of junction:

Back 22

tight junction

Front 23

Neurogleal cells that live in brain and spinal cord and destroy bacteria: (CNS)

Back 23

Microglia

Front 24

Nerugleal cells that line cavities of the brain and spinal cord:

Back 24

Ependymal

Front 25

Ion gates open in response to a nerotransmitter

Back 25

Chemically-gated Channels

Front 26

Na+ or K+ channels that open and close in response to voltage charges across the membrane

Back 26

Voltage-gated Channels

Front 27

Na+ move from ____ of cell to ____ of cell?

Back 27

Outside to Inside

Front 28

K+ move from ____ of cell to ____ of cell?

Back 28

Inside to Outside

Front 29

Active transport is when you move substance:

Back 29

Against its diffusion gradient
low to high

Front 30

Active Transport is powered by:

Back 30

ATP hydrolysis

Front 31

volts in Resting Potential:

Back 31

-70 mV (milli Volts)

Front 32

(-) sign tells you about conditions where:

Back 32

Inside of Cell

Front 33

Resting membrane is said to be:

Back 33

Polar
more negative inside

Front 34

Na+ moving into cell causes:
(Na+ Influx)

Back 34

Depolarization
-70 to a -50...0 ...+30 mV

Front 35

Once mV reaches positive it is known as:

Back 35

Reverse Polarity

Front 36

Threshold Potential is around what mV?

Back 36

-55 mV

Front 37

Depolarization involves which ions:

Back 37

Na+

Front 38

Repolarization involves which ions:

Back 38

K+

Front 39

Repolarization occurs before or after Depolarization:

Back 39

After

Front 40

K+ moves from ___ of cell to ____ of cell during Repolarization:

Back 40

inside to outside

Front 41

K+ moving from inside to outside of cell is known as:

Back 41

K+ efflux

Front 42

AP only occur at:

Back 42

Nodes of Ronvier

Front 43

impulse jumps:

Back 43

Saltatory Conduction

Front 44

Examples of EPSP

Back 44

Seretonin
Ach

Front 45

EPSP is depolarization or re-polarization:

Back 45

Depolarization
(increase positivity of inside of cell)
Na+ Influx

Front 46

EPSP in CNS:

Back 46

Glutamate (most common)
Seretonin
Epinephrine

Front 47

EPSP in PNS:

Back 47

Ach

Front 48

Examples of IPSP:

Back 48

GABA

Front 49

IPSP is depolarization or re-polarization:

Back 49

Re-polarization
(decrease positivity of inside of cell)
K+ efflux

Front 50

IPSP open K+ gated channels along with:

Back 50

Cl- gated channels

Front 51

Cl- will influx or efflux

Back 51

influx
(because it is negative)

Front 52

How does CAINES work:

Back 52

Prevents Na+ channels from opening

Front 53

Examples of Local Anesthetics:

Back 53

Lidocaine
Procaine
Novacaine

Front 54

Epilepsy can be caused by:

Back 54

Meningitis
Head Injuries
Brain Tumors

Front 55

Epilepsy occurs by:

Back 55

spontaneous discharge of millions of neurons in the cerebrum that trigger uncontrollable skeletal muscle contractions

Front 56

Form of food poising

Back 56

Botulism

Front 57

Botulism works by:

Back 57

prevents the release of Ach making it difficult to contract skeletal muscles
(suffocation due to not contracting diaphram)

Front 58

Autoimmune disease where white blood cells attack myelin sheaths

Back 58

Multiple Sclerosis

Front 59

3 layers of meninges:

Back 59

Dura Mater
Acarachnoid Mater
Pia Mater

Front 60

Outer most menix:

Back 60

Dura Mater

Front 61

Dura mater is made of:

Back 61

Dense CT

Front 62

2 parts of Dura:

Back 62

Cranial Dura Mater
Spinal Dura Mater

Front 63

2 Parts of Cranial Dura Mater:

Back 63

Periostial Layer
Meningeal Layer

Front 64

Separation of Periostial Layer and Meningeal layer cause a:

Back 64

Dural Sinus

Front 65

fat fill space between dura mater and overlying vertebral bone:
Located in Spinal Dura

Back 65

Epidural Space

Front 66

When crowning occurs during delivery you can get a:

Back 66

Epidural Anesthetic

Front 67

Cerebrospinal Fluid is located:

Back 67

Subarachnoid Space
(Shock absorber)

Front 68

Subarachnoid space is held open by:

Back 68

Trabeculae

Front 69

Mater that adhears to CNS

Back 69

Pia Mater

Front 70

Extension of pia mater that travels through the sacral cannal and attaches coccyx

Back 70

Filum Terminale

Front 71

keeps spinal cord taught:

Back 71

Filum Terminale

Front 72

CSF analysis is extracted by:

Back 72

Spinal Tap

Front 73

What kind of menengitis is deadly:

Back 73

Bacterial

Front 74

Cerebrospinal Fluid acts as a:

Back 74

Shock Absorber

Front 75

Cerebrospinal Fluid is located in the:

Back 75

Subarachnoid Space

Front 76

Collection of spinal nerves
(base of spinal cord)

Back 76

Cauda Equina

Front 77

Dorsal horn only contains:

Back 77

Only Sensory

Front 78

Ventral Horn only contains:

Back 78

Only Motor

Front 79

White Mater ascending Tracts:

Back 79

Sensory

Front 80

White Mater descending tracts:

Back 80

Motor

Front 81

Spinal nerve is:

Back 81

Mixed Nerve

Front 82

Sensory Horn

Back 82

Dorsal Horn

Front 83

Motor Horns

Back 83

Lateral and Ventral Horns

Front 84

Ascending Tracks of White Matter:

Back 84

Spinaltholamic
(Sensory)

Front 85

Decenting Tracts of White Matter:

Back 85

Corticospinal
(Motor)

Front 86

Connection in middle of gray matter:

Back 86

Gray Commissure

Front 87

crossing over from gray to white matter

Back 87

Decussation

Front 88

Decussation occurs in

Back 88

medualla