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NERVOUS SYSTEM REVIEW

Total questions: 28

Worksheet time: 15mins

Name
Class
Date
1.

Afferent neurons are ______________ neurons.

a)

sensory

b)

motor

c)

connective

d)

exiting

2.

Efferent neurons are _______________ neurons.

a)

arriving

b)

sensory

c)

connective

d)

motor

3.

In what direction does a nerve impulse travel through a neuron?

a)

from the axon terminal and up the axon towards the dendrites

b)

from the dendrites and down the axon towards the axon terminal

c)

from the nucleus in the cell body out towards the ends of the dendrites

d)

from the axon up into the cell body and out towards the ends of the dendrites

4.

A nerve impulse is also known as ____________________ in a neuron.

a)

passive potential

b)

action potential

c)

basic potential

d)

negative potential

5.

During which phase off action potential transmission does the neural membrane experience a large influx of sodium ions? Does this make the inside of the neuron more positive or negative?

a)

Repolarization; negative

b)

Hyperpolarization; positive

c)

Depolarization; positive

d)

Resting Membrane Potential; negative

6.

During which phase off action potential transmission does the neural membrane experience a large outflow of potassium ions? Does this make the inside of the neuron more positive or negative?

a)

Repolarization; negaitve

b)

Depolarization; positive

c)

Hyperpolarization; negative

d)

Resting Membrane Potential; positive

7.

During Hyperpolarization, the sodium channel closes, but the potassium channel remains opened briefly, which continues to decrease the membrane potential, making it ___________________ resting membrane potential.

a)

more positive than the

b)

neutral to the

c)

more negative than the

d)

equal to the

8.

During nerve impulse transmission across the synapse, on which neuron are the neurotransmitter receptors located?

a)

preganglionic neuron

b)

floating in the synaptic cleft

c)

postganglionic neuron

d)

in the cell body of the neuron

9.

When synaptic vesicles fuse to the neural membrane at the synaptic end bulb, what is released into the synaptic cleft between the preganglionic and postganglionic neurons?

a)

Potassium

b)

Calcium

c)

Sodium

d)

Neurotransmitters

10.

________ neurons make up the neurons of the ascending tracts in the spinal cord.

a)

Motor

b)

Sensory

11.

________ neurons make up the neurons of the descending tracts in the spinal cord.

a)

Motor

b)

Sensory

12.

Which division of the nervous system DOES NOT require incoming sensory information to be sent up to the brain for further sensory processing, but instead produces an "automatic response" to the incoming sensory stimuli?

a)

Somatic

b)

Autonomic

c)

Central

d)

Enteric

13.

You are hiking in the woods when you come across a bear that has wandered onto the trail. Which specific division of the nervous system is activated in this scenario?

a)

Somatic

b)

Parasympathetic

c)

Sympathetic

d)

Central

14.

Which division of the nervous system is commonly known to function in a "rest and digest" capacity?

a)

Central

b)

Parasympathetic

c)

Sympathetic

d)

Somatic

15.

Which division of the nervous system is responsible for executive function processing, and is made up of the brain and spinal cord?

a)

Central

b)

Peripheral

c)

Autonomic

d)

Somatic

16.

Which neuroglial cell is responsible for myelination of the axons of neurons of the peripheral nervous system?

a)

oligodendrocites

b)

schwann cells

c)

satellite cells

d)

astrocytes

17.

Which characteristic of a neuron determines the speed of action potential conducted down the axon?

a)

the amount of dendrites protruding from the cell body

b)

the length of the axon

c)

the number of synaptic end bulbs present at the end of the axon terminals

d)

the amount of myelination present along the axon

18.

The peripheral nervous system is made up of ________________________.

a)

the brain and spinal cord

b)

spinal nerves

19.

Identify #4 in the diagram provided.

a)

Dendrites

b)

Cell Body

c)

Myelin Sheath

d)

Synaptic End Bulb

20.

#1 in the diagram provided is pointing to the _____________ and #5 in the diagram is pointing to the _______________.

a)

Dendrites; Cell Body

b)

Dendrites; Axon

c)

Axon; Dendrites

d)

Axon; Cell Body

21.

What are the four main lobes of the brain? And these lobes make up which main part of the brain?

a)

Parietal, Temporal, Occipital, Pons / Cerebellum

b)

Temporal, Occipital, Frontal, Medulla Oblongata / Cerebrum

c)

Frontal, Occipital, Temporal, Parietal / Cerebrum

d)

Pons, Medulla Oblongata, Parietal, Temporal / Cerebellum

22.

In the brain, the ____________ are the shallower grooves in between the ______________, which are the folds in the middle of the grooves.

a)

Sulcus; Gyrus

b)

Gyrus; Sulcus

c)

Sulcus; Fissure

d)

Fissure; Sulcus

23.

The ______________ hemisphere is primarily responsible for creative thought, and the _______________ hemisphere is primarily responsible for logical thought.

a)

Left; Right

b)

Northern; Southern

c)

Right; Left

d)

Southern; Northern

24.

Which main part of the brain is responsible for regulation and coordination of movement, posture, and balance?

a)

Cerebrum

b)

Cerebellum

c)

Diencephalon

d)

Brainstem

25.

What are the 3 parts of the brainstem?

a)

Amygdala, Hypothalamus, Thalamus

b)

Midbrain, Pons, Thalamus

c)

Medulla Oblongata, Thalamus, Midbrain

d)

Pons, Medulla Oblongata, Midbrain

26.

Which part of the brain acts as a "relay station" receiving most incoming sensory information and transmitting that information to the appropriate primary motor area in the brain?

a)

Thalamus

b)

Hypothalamus

c)

Amygdala

d)

Pons

27.

Which part of the brainstem is responsible for a sensory role in sensations such as hearing, taste, and equilibrium?

a)

Cerebellum

b)

Pons

c)

Medulla Oblongata

d)

Midbrain

28.

Which part of the brainstem is responsible for the coordination of head, eye, and trunk movements in response to both visual and auditory stimuli?

a)

Cerebellum

b)

Pons

c)

Midbrain

d)

Medulla Oblongata