Nervous System Flashcards

1
Q

What is the name of the structure that connects the L and R hemispheres of the brain, allowing for integrated processing and coordination of various functions?

A

Corpus callosum

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

During prenatal development the caudal part of the embryo differentiates into which organ

A

Spinal cord

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

Layer of fat acts as an insulator on the neuron, helping transmission of the nerve signal

A

Myelin sheath

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

Balanced functioning of the sympathetic and parasympathetic nervous system plays a crucial role in maintaining this function

A

Homeostasis

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

Fight or flight response is part of this system

A

Sympathetic nervous system

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

Rest and relaxed or feed and breed is part of this system

A

Parasympathetic

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

Two types of cells present in the nervous system are

A

Neurons and glia

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

3 layers of protective membranes that surrounds the brain and spinal cord that provides physical support, cushioning, and protection for neural tissues

A

Meninges

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

Clear colorless fluid serves essential functions including cushioning the brain and spinal cord, providing buoyancy, and facilitating the exchange of nutrients and waste products

A

Cerebral spinal fluid CSF

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

Network of interconnected cavities within the brain that are filled with CSF

A

Ventricles

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

All senses except for smell are routed through this organ before being directed to other areas of the brain for processing.

A

Thalamus

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

This organ plays a central role in regulating various bodily functions and behaviors serving as a link between the nervous system and the endocrine system

A

Hypothalamus

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

Conduit for transmitting sensory info to the brain and coordinating motor responses

A

Spinal cord

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

Messengers that carry important info between the brain and different parts of the head, face, and neck

A

Cranial nerves

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

Types of nerves that carry messages between the brain and the rest of the body allowing for movement, feeling, and responsiveness to the world

A

Spinal nerves

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

Connect CNS to the rest of the body transmitting signals between the brain and spinal cord and the organs, muscles, and sensory receptors throughout the body.

A

Peripheral nervous system

17
Q

Component of the peripheral nervous system that is responsible for voluntary control of skeletal muscles and for relaying sensory information from the body to the CNS

A

Somatic nervous system

18
Q

The point of connection between a motor neuron and a skeletal muscle fiber

A

Neuromuscular junction

19
Q

Operating unconsciously this part of the PNS regulates involuntary bodily functions such as heart rate, digestion, respiratory rate, and glandular secretion

A

Autonomic nervous system

20
Q

Nerves that control the muscles in the face, jaw, and neck, allowing for facial expressions chewing of food and movement of the head

A

Cranial nerves

21
Q

What organs are included in the CNS

A

Brain and spinal cord

22
Q

A network of interconnected cavities within the brain that are filled with CSF

A

Ventricles

23
Q

Identify the parts of a neuron

A

Dendrite, axon, soma, terminal axon, myelin sheath, synapse

24
Q

The part of the neuron that receives messages and sends them to the body

A

Dendrite

25
Q

The part of the neuron that sends messages away from the body

A

Axon

26
Q

Messages carried by nerve cells care called

A

Impulses

27
Q

Identify 4 divisions of the cerebrum

A

Frontal, occipital, temporal, parietal

28
Q

Functions of meninges

A

1 protect the brain 2 provide support for blood vessels 3 have cerebrospinal fluid 4 create partitions in the skull

29
Q

True or false: neurons are continually replaced during a persons lifetime

A

False

30
Q

What are 2 primary divisions of the central nervous system

A

Sympathetic and parasympathetic