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Nervous System

Total questions: 40

Worksheet time: 47mins

Name
Class
Date
1.

What are two parts of the Central Nervous System?

a)

brain and spinal cord

b)

spinal cord and motor neurons

c)

motor neurons and sensory neurons

d)

brain and sensory neurons

2.

If you step on a nail... what type of neuron will take that signal TO the spinal cord?

a)

interneurons

b)

motor

c)

sensory

d)

receptors

3.

What part of the neuron receives or invites information?

a)

axon

b)

dendrite

c)

cell body

d)

axon terminal

4.

What part of the neuron is a long fiber that sends information toward other cells?

a)

dendrite

b)

synapse

c)

cell body

d)

axon

5.

When a neuron is depolarized, what enters the neuron to change the charge to positive?

a)

sodium

b)

potassium

c)

calcium

d)

acetylcholine

6.

When a neuron is resting, the inside of the axon has a _____ charge.

a)

positive

b)

negative

7.

Most of the time, the impulse changes to _____ as it moves across the synapse to other neurons.

a)

electrical

b)

chemical

c)

mechanical

d)

radioactive

8.

What are the chemicals used by a neuron to transmit an impulse across a synapse to another neuron?

a)

neurotransmitters

b)

neuroconnectors

c)

gap jumpers

d)

impulses

9.

The neuroglial cells that produce the myelin sheaths to cover the axons are called _____.

a)

oligodendrocytes

b)

astrocytes

c)

ependymal cells

d)

microglia

10.

What is the largest part of your brain?

a)

cerebellum

b)

cerebrum

c)

diencephalon

d)

brain stem

11.

What area of the brain controls conscious thought and higher thinking skills?

a)

cerebellum

b)

cerebrum

c)

diencephalon

d)

brain stem

12.

Which part of the brain controls muscle coordination and body position?

a)

cerebrum

b)

medulla oblongata

c)

cerebellum

d)

thalamus

13.

Which part of the brain controls vital functions such as breathing and heart rate?

a)

diencephalon

b)

cerebrum

c)

medulla oblongata

d)

cerebellum

14.

The "fight or flight" division of the Autonomic Nervous System is called the _____ division.

a)

sympathetic

b)

parasympathetic

c)

sensory

d)

motor

15.

The "rest and digest" division of the Autonomic Nervous System is called the _____ division.

a)

sympathetic

b)

parasympathetic

c)

sensory

d)

motor

16.

What does the letter "A" point to?

a)

dendrite

b)

axon

c)

cell body

d)

axon terminal

17.

What does the letter "H" point to?

a)

myelin sheath

b)

axon

c)

axon terminal

d)

dendrite

18.

What part of the brain is highlighted in red?

a)

cerebrum

b)

cerebellum

c)

brain stem

d)

diencephalon

19.

Which lobe of the brain is highlighted in red?

a)

frontal

b)

temporal

c)

occipital

d)

parietal

20.

The frontal, parietal, occipital, and temporal lobes make up the _____ of the brain.

a)

brain stem

b)

cerebrum

c)

cerebellum

d)

diencephalon

21.

Which of the neuroglial cells make cerebrospinal fluid?

a)

astrocytes

b)

oligodendrocytes

c)

microglial cells

d)

ependymal cells

22.

What is the correct sequence of the Reflex Arc?

a)

Sensory Neuron -> Receptor -> Interneuron ->

Effector -> Motor Neuron

b)

Receptor -> Sensory Neuron -> Interneuron ->

Motor Neuron -> Effector

c)

Motor Neuron -> Effector -> Interneuron ->

Receptor -> Sensory Neuron

d)

Effector -> Motor Neuron -> Interneuron ->

Sensory Neuron -> Receptor

23.

Which cerebral lobe is highlighted in green?

a)

frontal

b)

parietal

c)

occipital

d)

temporal

24.

_____ neurons carry messages away from the Central Nervous System to muscles or glands, shown by the RED neuron in the diagram.

a)

Sensory

b)

Motor

c)

Inter

d)

Spinal

25.

The two major divisions of the nervous system are the _____.

a)

brain and spinal cord

b)

central and somatic nervous systems

c)

sympathetic and parasympathetic systems

d)

peripheral and central nervous systems

26.

The switching and relay center for the brain is the _____.

a)

cerebrum

b)

brain stem

c)

cerebellum

d)

diencephalon

27.

There are _____ pairs of cranial nerves and _____ pairs of spinal nerves.

a)

12, 24

b)

31, 12

c)

12, 31

d)

10, 31

28.

A network of nerves that weave together after branching from the spinal cord is called a _____.

a)

ganglion

b)

pathway

c)

reflex

d)

plexus

29.

The nerve cells that connect sensory and motor neurons are the _______.

a)

motor neurons

b)

sensory neurons

c)

interneurons

d)

neuroglia

30.

What is the change in polarity of a neuron that causes the transmission of electrical impulses?

a)

action potential

b)

membrane potential

c)

resting potential

d)

threshold

31.

What are the two ions transported across the membrane in an action potential?

a)

O2- and K+

b)

K+ and Na+

c)

Ca+2 and K+

d)

Na+ and Cl-

32.

What part of the brain allows you to feel fear and other emotions?

a)

hypothalamus

b)

hippocampus

c)

medulla oblongata

d)

amygdala

33.

What is the function of the nervous system?

a)

control

b)

sensation

c)

communication

d)

all of the choices

34.

The faster action potentials propagate on ______.

a)

thick, unmyelinated axons

b)

thick, myelinated axons

c)

thin, myelinated axons

d)

thin, unmyelinated axons

35.

The structures that protect the brain and spinal cord are _____.

a)

bones

b)

meninges

c)

cerebrospinal fluid

d)

all of the choices

36.

The visual cortex is an example of a collection of neurons with a shared function, which is called a _____.

a)

center

b)

nerve

c)

ganglia

d)

plexus

37.

The area of the brain that stores and retrieves memories is the ______.

a)

amygdala

b)

hypothalamus

c)

hippocampus

d)

thalamus

38.

The longest cranial nerve and if damaged can result in death is the ______.

a)

glossopharyngeal

b)

trigeminal

c)

vagus

d)

optic

39.

A bundle of axons supported by connective tissue is called a _____.

a)

nerve

b)

center

c)

nucleus

d)

ganglia

40.

Age related changes to the brain include all of the following EXCEPT _____.

a)

increase in neurons

b)

decrease in brain size

c)

decrease in brain blood flow

d)

increase chances of Alzheimer's Disease