Brain Test Review

Question 1

Define contra

Answer 1

Across/ opposite

Question 2

Define lateral

Answer 2

Of, toward, or from the side(s)

Question 3

Define gyri

Answer 3

The bumps

Question 4

Define sulci

Answer 4

The ridges

Question 5

Define fissure

Answer 5

A deep ridge

Question 6

What are the characteristics of the cerebral cortex?

Answer 6

It’s in charge of the conscious mind, it has grey matter on the surface, the convolutions triple the surface area, it’s 2-4mm thick, and it makes up 40% of brain mass

Question 7

What is contralateral function?

Answer 7

The right hemisphere controls the left side of the body, and vice versa

Question 8

Describe the similarities and differences between the two hemispheres of the brain

Answer 8

The hemispheres are identical in structure, but not in function

Question 9

What parts of the cerebral cortex are involved in actions?

Answer 9

All parts of the cerebral cortex are involved in actions in some way

Question 10

What is a characteristic of white matter?

Answer 10

It’s myelinated

Question 11

What parts of the brain are myelinated?

Answer 11

The white matter

Question 12

What makes up grey matter?

Answer 12

Cell bodies and dendrites

Question 13

What do cell bodies and dendrites make up?

Answer 13

The grey matter

Question 14

What do the ventricles of the brain contain?

Answer 14

CSF

Question 15

What are the three ventricles of the brain?

Answer 15

Lateral, third, and fourth

Question 16

What are the three structures that make up the diencephalon?

Answer 16

The thalamus, the hypothalamus, and the epithalamus

Question 17

What do the thalamus, hypothalamus, and epithalamus make up?

Answer 17

The diencephalon

Question 18

What are the three meningeal layers that protect the brain?

Answer 18

The dura, arachnoid, and pia

Question 19

What is a homunculus?

Answer 19

A map of the brain that shows the different brain sections and their corresponding body parts

Question 20

What are the three parts of multimodal association?

Answer 20

Anterior association, posterior association, and limbic association

Question 21

Describe anterior association

Answer 21

It’s located in the prefrontal cortex and it’s responsible for intellect, cognition, recall, and personality

Question 22

What is the posterior association in charge of?

Answer 22

It recognizes patterns and faces, it localizes us in space, it binds sensory inputs into coherent whole, and it controls language

Question 23

What is limbic association in charge of?

Answer 23

It controls emotional impact, your sense of danger, and your memory to remember them

Question 24

What is the left brain usually in charge of?

Answer 24

Language, math, and logic

Question 25

What is the right brain usually in charge of?

Answer 25

Insight, visual-spacial skills, intuition, and artistic skills

Question 26

What side of the brain is responsible for language? What side is responsible for body language?

Answer 26

The left side of the brain is responsible for language, and the right side is in charge of body language

Question 27

What are some examples of homeostatic imbalances in the brain? *

Answer 27

Traumatic brain injury, cerebrovascular accidents, and degenerative brain disorders

Question 28

In the spinal cord, what type of matter is superficial?

Answer 28

In the spinal cord, white matter is superficial to grey matter

Question 29

How long and wide is the spinal cord? Where does it end?

Answer 29

The spinal cord is about 18 inches long and 1/2 an inch wide, and it ends between L1 and L2

Question 30

Where is the Broca's area?

Answer 30

In the cortex of the dominant frontal lobe

Question 31

What does the Broca's area do?

Answer 31

It controls the production of words and speech

Question 32

Are there any other names for the Broca's area?

Answer 32

No

Question 33

What disorders are common in the Broca's area?

Answer 33

Damage to this area causes Broca's aphasia

Question 34

What is a surprising fact about the Broca's area?

Answer 34

The exact role of the Broca's area was unknown for 150 years

Question 35

What is the arbor vitae?

Answer 35

The white matter of the cerebellum

Question 36

What is the thalamus?

Answer 36

The large area under the corpus callosum

Question 37

What is the lateral ventricle?

Answer 37

The space for fluid near the corpus callosum

Question 38

What us the olfactory bulb?

Answer 38

Nerves for smell, located under the frontal lobe

Question 39

What is the optic chiasma?

Answer 39

The area shaped like an X

Question 40

What is the area shaped like an X called?

Answer 40

The optic chiasma

Question 41

Where is the midbrain?

Answer 41

Above the pons

Question 42

Where is the hypothalamus?

Answer 42

Below the corpus callosum and above the optic chiasm

Question 43

What is the cerebrum divided into?

Answer 43

2 hemispheres