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Nervous System Fundamentals

Total questions: 28

Worksheet time: 14mins

Name
Class
Date
1.

What is the master controlling and communicating system of the body?

a)

The endocrine system

b)

The nervous system

c)

The muscular system

d)

The respiratory system

2.

This is when the nervous system uses its sensory receptors to monitor the changes occurring both inside and outside the body.

a)

Input

b)

Integration

c)

Output

3.

This is when the nervous system processes and interprets sensory information and determines what should be done at that moment.

a)

Input

b)

Integration

c)

Output

4.

This is when the nervous system activates effector organs (muscles and glands) to carry out a response.

a)

Input

b)

Integration

c)

Output

5.

Which branch of the nervous system contains the brain and spinal cord?

a)

Peripheral NS

b)

Sympathetic NS

c)

Autonomic NS

d)

Central NS

6.

Which branch of the nervous system consists mainly of nerves that extend from the brain and spinal cord, as well as ganglia?

a)

Central NS

b)

Peripheral NS

c)

Parasympathetic NS

d)

Autonomic NS

7.

How many neuroglial (or glial) cells are there in the CENTRAL nervous system?

a)

2

b)

4

c)

6

d)

8

8.

These types of glial cells are in the CNS. They connect neurons to capillaries and are also used as support. They control the chemical environment around the neuron and help repair if it's injured.

a)

Oligodendrocytes

b)

Ependymal

c)

Astrocytes

d)

Microglial

9.

These types of glial cells are in the CNS. They have small "thorny" processes for defense and protection of the neuron.

a)

Astrocytes

b)

Microglial

c)

Oligodendrocytes

d)

Ependymal

10.

These types of glial cells are found in the CNS. They are responsible for forming and circulating cerebrospinal fluid. They have cilia on their surface to help move it through the system.

a)

Ependymal

b)

Oligodendrocytes

c)

Microglial

d)

Astrocytes

11.

These types of glial cells are in the CNS. They are responsible for myelin sheathing, and can covering many cells at once.

a)

Ependymal

b)

Astrocytes

c)

Oligodendrocytes

d)

Microglial

12.

Glial cells found in the PNS. They function the same way astrocytes do in the CNS; for support.

a)

Schwann cells

b)

Satellite cells

c)

Oligodendrocytes

d)

Microglial

13.

These types of glial cells are in the PNS, and are known for their myelin sheathing. They can only wrap a small section of the axon at a time.

a)

Astrocytes

b)

Oligodendrocytes

c)

Satellite cells

d)

Schwann cells

14.

In the CNS, bundles of axons are called...

a)

Tracts

b)

Nerves

c)

Ganglia

d)

Neuroganglia

15.

In the PNS, bundles of axons are known as...

a)

Tracts

b)

Nerves

c)

Ganglia

d)

Neuroganglia

16.

Clusters of neuron cell bodies in the CNS are called...

a)

Ganglia

b)

Nerves

c)

Nuclei

d)

Tracts

17.

Clusters of neuron cell bodies in the PNS are called...

a)

Tracts

b)

Nerves

c)

Nuclei

d)

Ganglia

18.

________ are the structural units of the nervous system.

a)

Neuroglia

b)

Nerves

c)

Neurons

d)

Nuclei

19.

What characteristic of the neuron is this?

Given good nutrition, neurons can function optimally for a lifetime.

a)

Longevity

b)

Amitotic

c)

High metabolic rate

20.

What characteristic of the neuron is this?

As neurons assume their roles as communicating links of the nervous system, they lose their ability to divide.

a)

Longevity

b)

Amitotic

c)

High metabolic rate

21.

What characteristic of the neuron is this?

They need continuous and abundant supplies of oxygen and glucose. They use about 20% of the body's energy, and cannot survive more than a few minutes without oxygen.

a)

Longevity

b)

Amitotic

c)

High metabolic rate

22.

The cell body of the neuron has mostly which organelle (for synthesizing proteins?)

a)

Golgi apparatus

b)

Smooth ER

c)

Rough ER

d)

Lysosomes

23.

Anterograde means towards the cell body.

a)

True

b)

False

24.

Retrograde means

a)

Away from the cell body

b)

Towards the cell body

c)

Running parallel to the cell body

d)

Not moving to or from the cell body

25.

Where is this type of neuron found in the body?

a)

In the sensory organs (such as the retina of the eye)

b)

Mostly in the CNS

c)

In the skin

d)

None of the above

26.

Where is this type of neuron found?

a)

In the sensory organs (such as the retina of the eye or the olfactory mucosa)

b)

In the skin

c)

In the CNS

d)

None of the above

27.

Where can you find this neuron in the body?

a)

In the sensory organs (retina of the eye or olfactory mucosa)

b)

As interneurons (between sensory and motor neurons in the neural pathway)

c)

As sensory neurons

d)

None of the above

28.

The resting membrane potential of a neuron is approximately...

a)

-70 mV

b)

-90 mV

c)

-55 mV

d)

+30 mV