Exam 2 - Nervous system brain Flashcards

1
Q

what does the blood-brain barrier do?

A

Protects brain from chemical fluctuation, shield from a number of substances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

___ matter is on the outside of the brain, and ___ matter is on the inside

A

gray; white

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

the brain’s four main parts and their primary functions

A
  1. Cerebrum - higher brain functions, memory, personality, voluntary muscle movements
  2. Diencephalon - homeostasis and emotions
  3. Cerebellum - precise muscle movements
  4. Brainstem - visceral activities
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

this part of the brain is responsible for interpreting sensory input

A

parietal lobe (cerebrum)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

this is the biggest part of the brain

A

cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

outer layer of cerebrum

A

cerebral cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the cerebral cortex is composed of ____ matter

A

gray

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

cerebral cortex’s four sensory sections

A

parietal lobe, occipital lobe, temporal lobe, insula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

the _____ lobe interprets sensory information from the skin

A

parietal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

the _____ lobe interprets sensory information from the eyes

A

occipital

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

the _____ lobe deals with memory, emotion, balance, and interprets sensory information from the ears

A

temporal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the _____ interprets sensory information from the tongue

A

insula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

the _____ lobe houses motor areas for speech, judgement and problem-solving

A

frontal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the cerebrum can be divided into two ___

A

hemispheres

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

bundle of nerves that connects the two hemispheres of the cerebrum

A

corpus callosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
A

corpus callosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

this is deep within the cerebral hemisphere and helps facilitate unintentional movement

A

basal nuclei

18
Q
A

basal nuclei

19
Q

the frontal and parietal lobes are separated by the

A

lateral sulcus

20
Q

the frontal and temporal lobes are separated by the

A

lateral sulcus

21
Q

two important parts of the diencephalon

A

thalamus and hypothalamus

22
Q

this part of the brain sorts and directs most sensory info to the cerebral cortex

A

thalamus

23
Q

this part of the brain links endocrine and nervous systems, helping with heart rate, gland secretion and sleep

A

hypothalamus

24
Q
A

thalamus

25
Q
A

hypothalamus

26
Q

The cerebellum is made of two ___

A

hemispheres

27
Q

The cerebellum’s hemispheres are connected by

A

cerebellar cortex

28
Q

This is the core of the cerebellum and looks like a tree

A

arbor vitae

29
Q

What is the primary function of the cerebellum?

A

targeted, precise movement like writing

30
Q

What are the primary functions of the brainstem?

A

-regulates visceral activities
-control of reflexes
-pathway for communication btwn brain and spinal column

31
Q

3 parts of brainstem from superior to inferior

A

Midbrain
Pons
Medulla oblongata

32
Q
A

Brainstem:

Midbrain
Pons
Medulla oblongata

33
Q

What part of the brain transmits all ascending and descending impulses between the brain and spinal cord?

A

Medulla oblongata

34
Q

What are the three centers in the medulla oblongata?

A

Cardiac center - heart rate
Vasomotor center - blood pressure
Respiratory center - rate and depth of breathing

35
Q

The brain has cavities that hold cerebral spinal fluid. What are they called?

A

Ventricles

36
Q

How many brain ventricles are there?

A

4

37
Q
A

Lateral ventricles

38
Q
A

Third ventricle

39
Q

The lateral ventricles are connected to the third ventricle via the

A

interventricular foramen

40
Q

The third ventricle is connected to the fourth ventricle via the

A

cerebral aqueduct

41
Q

What are three functions of CSF?

A
  1. Shock absorption
  2. Nutrient delivery and waste removal
  3. Provides chemicals needed for functioning
42
Q
A

Fourth ventricle