Unit I

Question 1

How many pairs of cranial nerves attach directly to the brain?

Answer 1

12

Question 2

cranial nerves exit the skull via

Answer 2

patent openings

Question 3

How many pairs of spinal nerves are there?

Answer 3

31 mixed pairs

Question 4

spinal nerves attach to spinal cord by

Answer 4

ventral and dorsal rootlets

Question 5

what makes up the PNS?

Answer 5

cranial nerves and spinal nerves

Question 6

What makes up the CNS?

Answer 6

brain and spinal cord

Question 7

functional subdivisions of PNS

Answer 7

somatic and visceral (autonomic)

Question 8

divisions of the visceral (autonomic) nervous system

Answer 8

sympathetic and parasympathetic

Question 9

parasympathetic division contains cranial nerves….. and sacral nerves….

Answer 9

cranial nerves III, VII, IX, X and sacral nerves 2, 3, 4

Question 10

preganglionic sympathetic neurons release

Answer 10

ACH

Question 11

postganglionic sympathetic neurons release

Answer 11

NE

Question 12

preganglionic parasympathetic neurons release

Answer 12

ACH

Question 13

postganglionic parasympathetic neurons release

Answer 13

ACH

Question 14

sympathetic division is known as

Answer 14

adrenergic

Question 15

parasympathetic division is knonw as

Answer 15

cholinergic

Question 16

Skull opening CN I

Answer 16

cribriform plate of ethmoid bone

Question 17

Skull opening CN II

Answer 17

optic canal

Question 18

skull opening CN III

Answer 18

superior orbital fissure

Question 19

skull opening CN IV

Answer 19

superior orbital fissure

Question 20

skull opening CN V1

Answer 20

superior orbital fissure

Question 21

skull opening CN V2

Answer 21

foramen rotundum

Question 22

skull opening CN V3

Answer 22

foramen ovale

Question 23

skull opening CN VI

Answer 23

superior orbital fissure

Question 24

skull opening VII

Answer 24

internal acoustic meatus

Question 25

skull opening VIII

Answer 25

internal acoustic meatus

Question 26

skull opening IX

Answer 26

jugular foramen

Question 27

skull opening X

Answer 27

jugular foramen

Question 28

skull opening XI

Answer 28

jugular foramen

Question 29

skull opening XII

Answer 29

hypoglossal canal

Question 30

pyramidal neurons

Answer 30

initiates movements (cerebral cortex)

Question 31

extrapyramidal neurons

Answer 31

coordinates movements (brainstem)

Question 32

where do UMN synapse?

Answer 32

anterior horn of the gray matter (rexed lamina VII)

Question 33

LMN exits the cord via

Answer 33

anterior (ventral) rootlets

Question 34

somatic sensory input from the trunk and extremities uses a

Answer 34

three neuron pathway to get from receptor to the cerebral cortex

Question 35

three neurons in the somatic sensory pathway travel from....

Answer 35

spinal cord, thalamus, cerebral cortex