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Human Nervous System Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

The neuron cell is made up of which of the following parts?

a)

Axon

b)

Dendrite

c)

Nucleus

d)

All of the choices are correct.

2.

How do neurons communicate with one another?

a)

Electrically

b)

Chemically

c)

Through weak, radio-wave-like impulses

d)

Chemically and Electrically

3.

Which of the following cavities contains a component of the central nervous system?

a)

abdominal

b)

pelvic

c)

cranial

d)

thoracic

4.

Which structure predominates in the white matter of the brain?

a)

myelinated axons

b)

neuronal cell bodies

c)

ganglia of the parasympathetic nerves

d)

bundles of dendrites from the enteric nervous system

5.

Which part of a neuron transmits an electrical signal to a target cell?

a)

dendrites

b)

soma

c)

cell body

d)

axon

6.

Which term describes a bundle of axons in the peripheral nervous system?

a)

nucleus

b)

ganglion

c)

tract

d)

nerve

7.

Which part of a neuron contains the nucleus?

a)

dendrite

b)

soma

c)

axon

d)

synaptic end bulb

8.

What two types of macromolecules are the main components of myelin?

a)

carbohydrates and lipids

b)

proteins and nucleic acids

c)

lipids and proteins

d)

carbohydrates and nucleic acids

9.

If a chemoreceptor is sensitive to molecules, what would a thermoreceptor be sensitive to?

a)

light

b)

sound

c)

temperature

d)

vibration

10.

Which of these locations is where the greatest level of integration is taking place in the example of testing the temperature of the shower?

a)

skeletal muscle

b)

spinal cord

c)

thalamus

d)

cerebral cortex

11.

How long does all the signaling through the sensory pathway, within the central nervous system, and through the motor command pathway take?

a)

1 to 2 minutes

b)

1 to 2 seconds

c)

fraction of a second

d)

varies with graded potential

12.

What ion enters a neuron causing depolarization of the cell membrane?

a)

sodium

b)

chloride

c)

potassium

d)

phosphate

13.

Which structure primarily supports neurons in nervous tissue?

a)

Axons

b)

Glial cells

c)

Soma

d)

Dendrites

14.

Regions with many axons in nervous tissue are called:

a)

Grey matter

b)

Myelin

c)

White matter

d)

Synapses

15.

Which part of the nervous system is responsible for digestive processes?

a)

Autonomic nervous system

b)

Somatic nervous system

c)

Central nervous system

d)

Enteric nervous system

16.

Which function of the nervous system involves interpreting stimuli and generating responses?

a)

Sensory

b)

Integration

c)

Voluntary

d)

Autonomic

17.

Electrical signals in neurons are caused by changes in:

a)

Ion channels

b)

Axon size

c)

Neurotransmitter concentration

d)

Myelin layers

18.

What part of the brain relays sensory information to the cerebral cortex?

a)

Cerebellum

b)

Hypothalamus

c)

Thalamus

d)

Medulla

19.

Which of the following describes hyperpolarization?

a)

Neuron becomes more positive

b)

Neuron is at resting potential

c)

Neuron becomes more negative

d)

Action potential threshold

20.

Which structure’s dysfunction could lead to impaired movement coordination?

a)

Front Lobe

b)

Cerebellum

c)

Medulla

d)

Pons