Ameripress 3

Question 1

neuron is a basic __ __.

Answer 1

-functional unit

Question 2

a neuron is just a __.

Answer 2

-cell

Question 3

3 types of neurons:

Answer 3

• multipolar
• bipolar
• pseudounipolar

Question 4

multipolar neurons have many __ out of the cell __.

they are the most __.

Answer 4

• branches/processes
• body
• typical

Question 5

bipolar neurons include:

Answer 5

• retinal
• cochlear
• vestibular

Question 6

bipolar neurons have __ branches out of the cell __.

normally associated w/ the __ system & __.

Answer 6

• two
• body
• sensory
• interneurons

Question 7

pseudounipolar neurons include:
have __ branch out of cell body,
& are actually modified __ neurons.

Answer 7

• DRG
• trigeminal ganglion
• single
• bipolar

Question 8

(function of neurons)

direction?

Answer 8

• afferent (toward)

- efferent (away)

Question 9

(function of neurons)

interneurons: __ common, approx. __% of neurons & __/__ b/w __.

Answer 9

• most
• 99.98%
• link/relay
• neurons

Question 10

(function of neurons)

stimulate?

Answer 10

• excitatory

- & inhibitory

Question 11

(function of neurons)

transmitters?

Answer 11

• adrenergic
• cholinergic
• dopaminergic
• gabanergic

Question 12

neuron is the basic, __ unit of the __ __.

Answer 12

• simplest

- nervous system

Question 13

most well known proponent of the neuron doctrine:

father of __.

Answer 13

• Ramone Kahal

- neuroanatomy

Question 14

most well known proponent of the reticular doctrine:

Answer 14

-Camillo Golgi

Question 15

cell membrane follows the __ __ model.

w/ lots of receptor __ channels in a sea of __.

Answer 15

• fluid mosaic
• protein
• phospholipids

Question 16

neuron gets carried over a __.

thru two main fibers:

Answer 16

• distance
• axon
• & dendrites

Question 17

intracellular transport, two ways:

Answer 17

• anterograde (down axon)

- retrograde (back up axon)

Question 18

most common way neurons communicate with each other (synapses)=

Answer 18

• axodendritic

- axon to dendrite

Question 19

2nd most common way neurons communicate with each other (synapses)=

Answer 19

• axosomatic

- axon to soma (cell body)

Question 20

last two ways for neurons to synapse:

Answer 20

• somatosomatic
• cell body to cell body/soma to soma
• & dendrodendritic
• dendrite to dendrite

Question 21

neurons transmit two ways:

Answer 21

• electrical

- & chemical

Question 22

electrical transmission is usually __.

has __ junctions

Answer 22

• somatosomatic

- gap

Question 23

chemical transmission is __ common.
NT packaged in __ of __.
Vesicle fuses w/ __ cell membrane.
everything is released into __ __.
synaptic cleft-> __ bw presynaptic terminal & __ membrane.
allows NT to __ & move around to find __.
gap contains __ to break down NT after its done its job.
matter __ and recycles into __ __.

Answer 23

• most
• vesicle, phospholipid
• phospholipid
• synaptic cleft
• gap, postsynaptic
• diffuse, receptors
• enzymes
• reabsorbes, cell body