Rotation: Brain

Question 1

What is the circle of Willis composed of?

Answer 1

anterior cerebral a (L and R)
anterior communicating a
internal carotid a (L and R)
posterior cerebral a (L and R)
posterior communicating a (L and R)
basilar a

Question 2

What is the significance of the superior sagittal sinus and transverse sinus?

Answer 2

they’re the venous drainage for the brain

Question 3

The _____ is the primary motor cortex, containing cell bodies of upper motor neurons that control lower motor neurons in spinal cord, which in turn control muscles.

Answer 3

precentral gyrus

Question 4

The precentral gyrus is the ______, containing cell bodies of upper motor neurons that control lower motor neurons in spinal cord, which in turn control muscles.

Answer 4

primary motor cortex

Question 5

The ______ is the primary somatosensory cortex receiving information from the skin on touch, vibration and limb position (proprioception).

Answer 5

postcentral gyrus

Question 6

The postcentral gyrus is the ______ receiving information from the skin on touch, vibration and limb position (proprioception).

Answer 6

primary somatosensory cortex

Question 7

The _____ separates the frontal lobe (anterior) from the parietal lobe (posterior).

Answer 7

central sulcus

Question 8

The central sulcus separates the _____ (anterior) from the _____ (posterior).

Answer 8

frontal lobe; parietal lobe

Question 9

The _____ separates the temporal lobe (inferior) from the frontal and parietal lobes.

Answer 9

lateral sulcus

Question 10

The lateral sulcus (or fissure) separates the _____(inferior) from the _____.

Answer 10

temporal lobe; frontal and parietal lobes

Question 11

Where is the 1a visual cortex located?

Answer 11

at the calcarine sulcus

Question 12

What is the calcarine sulcus?

Answer 12

where the 1a visual cortex is located

Question 13

What are the 3 parts of the corpus callosum?

Answer 13

the genu, body, and splenium

Question 14

What is the fornix?

Answer 14

an axon tract in the limbic system involved in memory formation and retrieval and carrying information from the hippocampus to the hypothalamus.

Question 15

This is an axon tract in the limbic system involved in memory formation and retrieval and carrying information from the hippocampus to the hypothalamus.

Answer 15

the fornix

Question 16

What is the hypothalamus?

Answer 16

the regulator of homeostasis

Question 17

This part of the brain is the regulator of homeostasis.

Answer 17

the hypothalamus

Question 18

All sensory systems except _____ relay info thru the thalamus on the way to the cortex.

Answer 18

olfaction

Question 19

All sensory systems except olfaction relay info thru the _____ on the way to the cortex.

Answer 19

thalamus

Question 20

What is the job of the superior colliculus?

Answer 20

coordinating auditory and visual maps of space

Question 21

What part of the brain coordinates auditory and visual maps of space?

Answer 21

the superior colliculus

Question 22

What part of the brain is part of the auditory system?

Answer 22

the inferior colliculus

Question 23

What is the job of the inferior colliculus?

Answer 23

it’s part of the auditory system

Question 24

The ______ is involved in motor coordination and motor learning.

Answer 24

cerebellum

Question 25

The cerebellum is involved in _____ and _____.

Answer 25

motor coordination and motor learning

Question 26

What is the job of the insula?

Answer 26

processing of taste information

Question 27

What part of the brain is involved in the processing of taste information?

Answer 27

the insula

Question 28

What does the hippocampus do?

Answer 28

memory formation and retrieval

Question 29

What part of the brain is for memory formation and retrieval?

Answer 29

the hippocampus

Question 30

What is the fornix for?

Answer 30

to connect the hippocampus to the hypothalamus

Question 31

This connects the hippocampus to the hypothalamus.

Answer 31

the fornix

Question 32

What is the job of the amygdala?

Answer 32

perception of fear and emotions

Question 33

What part of the brain is involved in the perception of fear and emotions?

Answer 33

the amygdala

Question 34

What part of the brain is involved in initiation of movement?

Answer 34

the putamen and globus pallidus

Question 35

What do the putamen and globus pallidus do?

Answer 35

initiate movement

Question 36

What does the caudate nucleus do?

Answer 36

it’s involved in memory retrieval

Question 37

What part of the brain is involved in memory retrieval?

Answer 37

the caudate nucleus

Question 38

The primary motor cortex is Broadmann’s Area #____.

Answer 38

4

Question 39

The _____ is Broadmann’s Area #4.

Answer 39

primary motor cortex