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High School Anatomy > Brain Test Review > Flashcards

Flashcards in Brain Test Review Deck (43)
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1
Q

Define contra

A

Across/ opposite

2
Q

Define lateral

A

Of, toward, or from the side(s)

3
Q

Define gyri

A

The bumps

4
Q

Define sulci

A

The ridges

5
Q

Define fissure

A

A deep ridge

6
Q

What are the characteristics of the cerebral cortex?

A

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

7
Q

What is contralateral function?

A

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

8
Q

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

A

The hemispheres are identical in structure, but not in function

9
Q

What parts of the cerebral cortex are involved in actions?

A

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

10
Q

What is a characteristic of white matter?

A

It’s myelinated

11
Q

What parts of the brain are myelinated?

A

The white matter

12
Q

What makes up grey matter?

A

Cell bodies and dendrites

13
Q

What do cell bodies and dendrites make up?

A

The grey matter

14
Q

What do the ventricles of the brain contain?

A

CSF

15
Q

What are the three ventricles of the brain?

A

Lateral, third, and fourth

16
Q

What are the three structures that make up the diencephalon?

A

The thalamus, the hypothalamus, and the epithalamus

17
Q

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

A

The diencephalon

18
Q

What are the three meningeal layers that protect the brain?

A

The dura, arachnoid, and pia

19
Q

What is a homunculus?

A

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

20
Q

What are the three parts of multimodal association?

A

Anterior association, posterior association, and limbic association

21
Q

Describe anterior association

A

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

22
Q

What is the posterior association in charge of?

A

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

23
Q

What is limbic association in charge of?

A

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

24
Q

What is the left brain usually in charge of?

A

Language, math, and logic

25
Q

What is the right brain usually in charge of?

A

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

26
Q

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

A

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

27
Q

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

A

Traumatic brain injury, cerebrovascular accidents, and degenerative brain disorders

28
Q

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

A

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

29
Q

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

A

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

30
Q

Where is the Broca’s area?

A

In the cortex of the dominant frontal lobe

31
Q

What does the Broca’s area do?

A

It controls the production of words and speech

32
Q

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

A

No

33
Q

What disorders are common in the Broca’s area?

A

Damage to this area causes Broca’s aphasia

34
Q

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

A

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

35
Q

What is the arbor vitae?

A

The white matter of the cerebellum

36
Q

What is the thalamus?

A

The large area under the corpus callosum

37
Q

What is the lateral ventricle?

A

The space for fluid near the corpus callosum

38
Q

What us the olfactory bulb?

A

Nerves for smell, located under the frontal lobe

39
Q

What is the optic chiasma?

A

The area shaped like an X

40
Q

What is the area shaped like an X called?

A

The optic chiasma

41
Q

Where is the midbrain?

A

Above the pons

42
Q

Where is the hypothalamus?

A

Below the corpus callosum and above the optic chiasm

43
Q

What is the cerebrum divided into?

A

2 hemispheres