Anatomy: Nervous System

Question 1

what muscle is under voluntary control?

Answer 1

skeletal

Question 2

what types of muscle are under involuntary control?

Answer 2

smooth and cardiac muscles

Question 3

what are the two main divisions of the nervous system?

Answer 3

the central nervous system

the peripheral nervous system

Question 4

what makes up the CNS?

Answer 4

the brain and the spinal cord

Question 5

what makes up the PNS?

Answer 5

all other nerve tissue that is not found within the CNS

Question 6

what are the two divisions of the PNS?

Answer 6

sympathetic and parasympathetic

Question 7

what is a neurone?

Answer 7

a collection of nerve cell bodies in the CNS

Question 8

what is a ganglia?

Answer 8

a collection of nerve cell bodies in the PNS

Question 9

what is a bundle of axons in the CNS called?

Answer 9

a tract

Question 10

what is a bundle of axons in the PNS called?

Answer 10

a nerve

Question 11

what is a peripheral nerve?

Answer 11

a bundle of axons wrapped in connective tissue

Question 12

what is an efferent fibre?

Answer 12

one that carries motor nerves away from the brain

Question 13

what is an afferent fibre?

Answer 13

one that carries sensory nerves towards the brain

Question 14

what is the outermost layer of the cerebral hemispheres called?

Answer 14

the cortex

Question 15

how many brain lobes are there in each cerebral hemisphere?

Answer 15

four

Question 16

what is a lobe of the cerebral hemisphere named after?

Answer 16

the cranial bone they lie deep to

Question 17

what type of axons is there none of in any of the cranial nerves?

Answer 17

sympathetic

Question 18

what are the three cranial fossae?

Answer 18

anterior
middle
posterior

Question 19

what are the four segments of the vertebral column?

Answer 19

cervical
thoracic
lumbar
sacral/coccygeal

Question 20

what are the two enlargements of the spinal cord?

Answer 20

cervical

lumbosacral

Question 21

how many pairs of spinal nerves are there?

Answer 21

31

Question 22

where does the spinal cord end?

Answer 22

L1/L2 intervertebral disc level

Question 23

what is the end of the spinal cord called?

Answer 23

the conus medullaris

Question 24

in an adult, which is longer, the spinal cord or the vertebral column?

Answer 24

the vertebral column

Question 25

what dermatome is the male nipple found in?

Answer 25

T4

Question 26

what dermatome is the umbilicus found in?

Answer 26

T10

Question 27

what makes up the cervical plexus?

Answer 27

C1-C4 anterior rami

Question 28

what makes up the brachial plexus?

Answer 28

C5-T1 anterior rami

Question 29

what makes up the lumbar plexus?

Answer 29

L1-L4 anterior rami

Question 30

what makes up the sacral plexus?

Answer 30

L5-S4 anterior rami