Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

RHSC 420 > Development and overview of the CNS > Flashcards

Development and overview of the CNS Flashcards

1
Q

_______ marks the beginning of the formation of the CNS and is the process by which the neural plate forms into a neural tube.

A

neurulation

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

A _______ is an area of skin supplied by a single spinal nerve or spinal segment.

A

dermatome

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

Do dermatomes overlap?

A

yes!

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

A ________ is an area of muscle supplied by a single spinal nerve or spinal segment.

A

myotome

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

The afferent input to the brain includes both _____ and _______.

A

somatic; visceral

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

The efferent output from the brain includes both _____ motor and _____ motor.

A

somatic; visceral

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

What are the two hemispheres of the brain connected by?

A

commissural fibres (corpus callosum)

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

White matter = ______ _____ grey matter = _____ ______.

A

fibre tracts; cell bodies

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

What are the 3 types of fibres making up the connectome?

A
  1. Projection
  2. Association
  3. Commissural
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The _______ fibres connect to and from the cortex.

A

projection

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

The _______ and ______ fibres connect from one area of the cortex to another.

A

association and commissural

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

What are the two different layers of dura matter?

A
  1. periosteal

2. meningeal

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

What are the 3 spaces between the skill and cerebral cortex?

A
  1. Epidural
  2. Subdural
  3. Subarachnoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What artery is located in the epidural space?

A

middle meningeal

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

When does a subdural hematoma occur?

A

When violent shaking of the head severs the veins connecting to the dural sinuses (shaken baby syndrome)

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

When does a subarachnoid hematoma occur?

A

Hemorrhagic stroke or bleeding of an arterial aneurysm

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

What are the true vs. potential spaces?

A
  • True = subarachnoid space

- Potential = epidural and subdural space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Name the structures in the brainstem, from superior to inferior.

A
  1. Midbrain
  2. Pons
  3. Medulla
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Where do first order neurons cross?

A

medulla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Wheredo second order neurons cross?

A

spinal cord

21
Q

Where do third order neurons cross?

A

thalamus and cortex

22
Q

What do first order neurons detect?

A

discriminative touch, vibration, pressure

23
Q

What do second order neurones detect?

A

pain and temp

24
Q

Where do fibre tracks cross?

A

in the midline

25
Q

What are the 5 lobes in the brain?

A
  1. Frontal
  2. Parietal
  3. Temporal
  4. Occipital
  5. Limbic
26
Q

What is the hindbrain made of?

A

pons, medulla and cerebellum

27
Q

What is the telencephalon comprised of?

A

Cerebral hemispheres, deep structures

28
Q

What is the diencephalon comprised of?

A

thalamus, hypothalamus and subthalamus

29
Q

The _______ ______ separates the 2 cerebral hemispheres.

A

longitudinal fissure

30
Q

The _____ ______ separates frontal and parietal lobes.

A

central sulcus

31
Q

The _____ _____ separates the frontal and parietal lobes.

A

lateral fissure

32
Q

The _____-_______ ______ is on the medial side of the brain and separates the occipital lobe from the parietal and temporal lobes.

A

parieto-occipital sulcus

33
Q

The ________ _______ is on the medial surface in the occipital lobe.

A

calcarine fissure

34
Q

The _____ _____ is anterior to the central sulcus and is the primary motor area.

A

precentral gyrus

35
Q

The ______ ______ gyrus is posterior to the central sulcus and is the primary somatosensory area,

A

postcentral gyrus

36
Q

What are the two enlargements of the spinal cord, and what spinal segments are they?

A
  1. cervical enlargement (C4-5 - T1)

2. Lumbosacral enlargement (L2-S3)

37
Q

The _______ ______ = tapered end of the spinal cord.

A

conus medullaris

38
Q

The _____ _____ is the extension of the pia and supporting cells and anchors the spinal cord to the dorsal of the coccyx.

A

filum terminale

39
Q

Where do ventral nerve roots exit on the spinal cord?

A

anterolateral sulcus

40
Q

Where do dorsal nerve roots enter on the spinal cord?

A

posterolateral sulcus

41
Q

The _______ _____ are thickenings of the pia and glial elements, and form ribbons along lateral surface of the spinal cord between dorsal and ventral rootlets.

A

denticulate ligaments

42
Q

The _______ _______ attaches the spinal cord and suspends it untie dura/arachnoid tube.

A

denticulate ligements

43
Q

Where is CSF produced?

A

choroid plexus

44
Q

How are the 4 ventricles connected?

A

view cerebral aqueducts and interventricular foramen.

45
Q

Where does CSF leave the ventricles?

A

via 3 apertures it the 4th ventricle.

46
Q

Where is CSF reabsorbed?

A

dural venous sinuses

47
Q

What structures are located within the basal ganglia?

A
  1. Caudate (cerebrum)
  2. Putamen (cerebrum)
  3. Globus pallidus (cerebrum)
  4. Substantia nigra (midbrain)
  5. Subthalamic nucleus (diencephalon)
48
Q

What are two deep structures of the limbic system?

A
  1. hippocampus

2. amygdala

RHSC 420 (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions