Quiz #3

Question 1

dorsal

Answer 1

towards the back (the top of the brain is considered dorsal)

Question 2

ventral

Answer 2

towards the stomach

Question 3

anterior

Answer 3

toward the front end

Question 4

posterior

Answer 4

toward the rear end

Question 5

superior

Answer 5

above another part

Question 6

inferior

Answer 6

below another part

Question 7

lateral

Answer 7

away from the midline

Question 8

medial

Answer 8

towards the midline

Question 9

proximal

Answer 9

close to the point of origin or attachment

Question 10

distal

Answer 10

more distant to the point of origin or attachment

Question 11

ipsilateral

Answer 11

on the same side of the body

Question 12

contralateral

Answer 12

on the opposite side of the body

Question 13

coronal plane

Answer 13

as seen from the front (frontal plane)

Question 14

sagittal plane

Answer 14

as seen from the side

Question 15

horizontal plane

Answer 15

as seen from above

Question 16

lamina

Answer 16

a row or layer of cell bodies separated from other cell bodies by a layer of axons and dendrites

Question 17

column

Answer 17

a set of cells perpendicular to the surface of the cortex, with similar properties

Question 18

tract

Answer 18

a set axons within the CNS, also known as a projection. If axons extend from cell bodies in structure A to synapses onto B, the fibers “project” from A to B

Question 19

nerve

Answer 19

a set of axons in the periphery, either from the CNS to a muscle or gland or from sensory organ to the CNS

Question 20

nucleus

Answer 20

a cluster of neuron cell bodies within the CNS

Question 21

ganglion

Answer 21

a cluster of neuron cell bodies, usually outside of the CNS (in the PNS)

Question 22

gyrus

Answer 22

a protuberance on the surface of the brain

Question 23

sulcus

Answer 23

a fold or groove that separates one gyrus from another

Question 24

fissure

Answer 24

a long, deep sulcus

Question 25

CN 1

Answer 25

olfactory; smell

Question 26

CN II

Answer 26

optic; vision

Question 27

CN III

Answer 27

oculomotor; control of eye movements; pupil constriction

Question 28

CN IV

Answer 28

trochlear; control of eye movement

Question 29

CN V

Answer 29

trigeminal; skin sensations from most of the face; control of jaw muscles for chewing and swallowing

Question 30

CN VI

Answer 30

abducens; control of eye movements

Question 31

CN VII

Answer 31

facial; taste of the anterior 2/3 of the tongue, control of facial expressions, crying, salivation, and dilation of the head's blood vessels

Question 32

CN VIII

Answer 32

statoacoustic; hearing, equilibrium

Question 33

CN IX

Answer 33

glossopharyngeal; taste and other sensations from throat and posterior 2/3 of the tongue, control of swallowing, salivation, throat movements during speech

Question 34

CN X

Answer 34

vagus; sensation from neck and thorax, control of throat, esophagus, and larynx; parasympathetic nerves to stomach, intestines, etc.

Question 35

CN XI

Answer 35

accessory; control of neck and shoulder movements

Question 36

CN XII

Answer 36

hypoglossal; control of muscles of the tongue