CH 8 Nervous System

Question 0

Projection from a neuron that makes connections with a adjacent cell

Answer 0

Dendrite

Question 1

A projection from a neuron that makes connections with adjacent cells

Answer 1

Axon

Question 2

Cell that transmit nervous system impulses

Answer 2

Neurons

Question 3

The CNS includes the ______ pairs of cranial nerves that brach directly from the brain

Answer 3

12

Question 4

The ______ pairs of spinal nerves that exit the spinal cord via the vertebra column are part of the PNS

Answer 4

31

Question 5

What are the major regions of the brain

Answer 5

Cerebrum, Diencephalon ( thalamus and hypothalamus), Mesencephalon( midbrain), Pons, Cerebellum and Medulla Oblongata

Question 6

The portion of the nervous system that consists of nerves that extend from the CNS to peripheral structures outside the CNS

Answer 6

Peripheral Nervous System

Question 7

Nerves that carry commands from the brain to the muscle; also called Efferent Nerves

Answer 7

Motor Nerves

Question 8

Nerves that carry impulses from the body to the brain and provide input to the brain about sensation that are felt; also called afferent nerves

Answer 8

Sensory Nerves

Question 9

Specialized tissue that conducts electrical impulses between the brain and the rest of the body

Answer 9

Nervous System

Question 10

C5 to T1 make up this

Answer 10

Brachial Plexus

Question 11

Endocrine glands located on top of the kidneys that release adrenaline when stimulated by the sympathetic nervous system

Answer 11

Adrenal Glands

Question 12

Fibers that carry sensory information from the periphery to the brain; also called afferent tracts

Answer 12

Ascending fibers

Question 13

Fibers that carry motor impulses from the brain to the fibers of the peripheral nervous system; also called efferent tracts

Answer 13

Descending Fibers

Question 14

Chemicals produced by the body that stimulate electrical reactions in adjacent neurons

Answer 14

Neurotransmitter

Question 15

An enzyme that rapidly destroys acetylcholine once it has reached the target tissue

Answer 15

Acetylcholinestrease

Question 16

Fluid produced in the ventricles of the brain that flows in the subarachnoid space and bathes the meninges

Answer 16

Cerebrospinal Fluid (CSF)

Question 17

Specialized cells within hollow areas in the ventricles of the brain that produce CSF

Answer 17

Choroid Plexus

Question 18

The 12 pairs of nerves that arise from the base of the brain

Answer 18

Cranial Nerves

Question 19

The portion of the brain that plays an important role in hearing and memory

Answer 19

Temporal Lobe

Question 20

A gap between nerve cells across which nervous stimuli are transmitted

Answer 20

Synapse