Chapter 1: Structures and Functions of the Nervous System

Question 1

What does the Nervous System do?

Answer 1

Coordinates and controls all actions of the human body.

Question 2

How does Nerve Cells or Neurons communicate?

Answer 2

Through electrical impulses and allow the body to process and response to stimuli.

Question 3

What are the 2 primary parts of the Nervous System?

Answer 3

Central Nervous System (CNS) and Peripheral Nervous System (PNS).

Question 4

What does the Central Nervous System (CNS) consist of?

Answer 4

The brain and spinal cord.

Question 5

What does the Brain do?

Answer 5

Acts as the command center for the body and coordinates all bodily activities.

Question 6

What does the Spinal Cord do?

Answer 6

Relays information between the brain and the peripheral nervous system.

Question 7

What does the Peripheral Nervous System includes?

Answer 7

All the nerves that connect the central nervous system to the body.

Question 8

What are the Meninges (brain structure)?

Answer 8

Member layers that enclose the brain and spinal cord, protect them from damage caused by bony surfaces of the skull and spine.

Question 9

What is the Cerebrospinal Fluid (brain structure)?

Answer 9

Fluid acts as a watery cushion to further protect the delicate tissues of CNS.

Question 10

The cerebrum is the largest portion of the brain and is divided into 2 what?

Answer 10

Cerebral Hemispheres.

Question 11

What are the 2 Cerebral Hemispheres that the Cerebrum is divided into?

Answer 11

Left and right Cerebral Hemisphere.

Question 12

Why the 2 sides of the Cerebral Hemispheres communicate with one another?

Answer 12

To perform all vital bodily processes.

Question 13

What are the Lobes that each Cerebral Hemisphere is subdivided into?

Answer 13

The Frontal Lobe, Occipital Lobe, Parental Lobe and Temporal Lobe.

Question 14

What are the Lobes?

Answer 14

Large areas that are anatomically distinguishable from each other and control different functions.

Question 15

What are the functions that the Lobes control?

Answer 15

Memory, Eyesight, Hearing, Smell, create and store new information.

Question 16

What is the Cerebellum?

Answer 16

The second largest part of the brain.

Question 17

What does the Cerebellum functions to?

Answer 17

Produce smooth, coordinated movements, particularly for balance, posture and walking.

Question 18

What does the Brainstem do?

Answer 18

Connects the brain to the spinal cord.

Question 19

What does the Brainstem controls the functions for?

Answer 19

Necessary for survival like breathing, heart rate and blood pressure.

Question 20

In the tip of the finger, what does the nervous system can detect?

Answer 20

Pressure and temperature.

Question 21

What are the two types of cells that consist the Nervous System?

Answer 21

Neurons and Neuroglia.

Question 22

What are the primary cells of the Nervous System?

Answer 22

Neurons.

Question 23

What are the secondary cells of the Nervous System?

Answer 23

Neuroglia cella involved in nourishment and structural support.

Question 24

What does Neurons do?

Answer 24

Transmit signals rapidly.

Question 25

How does Neuron accomplished go send signals very rapidly?

Answer 25

In two ways; within the neuron itself and between neurons.

Question 26

A typical Neuron is composed of?

Answer 26

A cell body, dendrites and axons.

Question 27

What does Dendrites do?

Answer 27

Carry impulses toward the cell body.

Question 28

What does the Axons do?

Answer 28

Transmit the impulses away form the cell body.

Question 29

What is called the contact between one neuron’s axon and another neuron’s dendrites is called?

Answer 29

Synapse.