Quiz by gina_evans0312, created more than 1 year ago

Haematology and Anatomy (Nervous System) Quiz on The PNS, created by gina_evans0312 on 14/11/2013.

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The PNS

The PNS

Question 1 of 29

1

What is contained in the grey matter of the vertebra?

Select one of the following:

Cell bodies
Nerve cell processes
CSF

Explanation

Question 2 of 29

1

What's found in the white matter of the vertebra?

Select one of the following:

Nerve cell processes
Cell bodies
CSF

Explanation

Question 3 of 29

1

What is the role of the nerve cell processes in the vertebra?

Select one of the following:

Carry information to the brain/other parts of the spinal cord
Attach nerve cells to vertebra
Generation of cerebro spinal fluid

Explanation

Question 4 of 29

1

Define a nerve fibre

Select one of the following:

Axon and neurilemma
Axon and cell body
Dendrites and cell body

Explanation

Question 5 of 29

1

Define the neurilemma

Select one of the following:

Thin sheath around an axon
This sheath around the dendrite
Multinucleated cell body

Explanation

Question 6 of 29

1

What is the role of the epineureum?

Select one of the following:

To hold the fascicles together to form a nerve fibre
To hold the fascicles together to form a nerve
To hold the fascicles together to form a peripheral nerve

Explanation

Question 7 of 29

1

What are held together in the fascicle of a nerve?

Select one of the following:

Nerve fibers
Peripheral nerves
Axons

Explanation

Question 8 of 29

1

What holds together the nerve fascicle?

Select one of the following:

Epineurium
Perineurium
Endoneurium

Explanation

Question 9 of 29

1

What's the difference between an efferent and an afferent nerve?

Select one of the following:

Afferent nerves carry signals from the target organ to the CNS
Efferent nerves carry signals away from the CSN to the target organ
Efferent nerves carry signals from the target organ to the CNS
Afferent nerves carry signals away from the CSN to the target organ

Explanation

Question 10 of 29

1

What is particular about the cranial nerve?

Select one of the following:

They carry signals from the brain to the head
They are only found in the midbrain of the brain stem
They allow conscious control of brain function

Explanation

Question 11 of 29

1

Where do spinal nerves carry signals to?

Select one of the following:

From the CNS to the rest of body
Up and down the spinal cord
From the body to the spine

Explanation

Question 12 of 29

1

What is the role of the posterior rootlet?

Select one of the following:

They carry sensory nerves to the CNS from the target organ
They carry motor neurons from the target organ to the CNS
They supply the back of the body with motor nerves

Explanation

Question 13 of 29

1

What is the role of the anterior rootlet?

Select one of the following:

Carry motor neurons from the CNS to the target organ
Carry motor neurons from the target organ to the CNS

Explanation

Question 14 of 29

1

Posterior ramus- what does it do?

Select one of the following:

Supplies posterior trunk with nerves
Supplies posterior trunk with motor neurons
Supplies posterior trunk sensory nerves

Explanation

Question 15 of 29

1

What is the role of the anterior ramus?

Select one or more of the following:

Supplies anterior trunk with nerves
Supplies upper limbs with motor nerves
Supplies limbs with nerves
Supplies lower limbs with motor nerves

Explanation

Question 16 of 29

1

What is a myotome?

Select one of the following:

A type of food
Spanish for toast
Unilateral area of muscle mass innervated a single spinal nerve

Explanation

Question 17 of 29

1

What is a dermatome? -_-

Select one or more of the following:

Unilateral area of skin innervated by a single spinal nerve
Act in limbs as they don't have a posterior ramus
Act in limbs as they don't have an anterior ramus

Explanation

Question 18 of 29

1

A collection of anterior rami for a limb is called...?

Select one of the following:

A plexus
A spinal nerve
A spinoud

Explanation

Question 19 of 29

1

What defines a general visceral fibre as opposed to a spinal nerve?

Select one of the following:

They're from the autonomic system
They form multiple ganglia before reaching the target organ
They decussate multiple times (more than necessary)

Explanation

Question 20 of 29

1

General visceral afferent fibres are..

Select one of the following:

Sensory
Motor
Both

Explanation

Question 21 of 29

1

Where are parasympathetic fibres found in the CNS?

Select one or more of the following:

Brain stem- Cell bodies III, VII, IX and X
Brain stem- Cell bodies III, VII, and X
Brain stem- Cell bodies VII and X
S2-S4
S3-S5

Explanation

Question 22 of 29

1

Where are sympathetic fibres found on the CNS?

Select one of the following:

T1-L2
C5-T3
T3-L2
L3-C1

Explanation

Question 23 of 29

1

What tends to happen to the autonomic visceral fibres?

Select one of the following:

They tend to join the spinal nerve
They tend to dissercate with the spinal nerve
They branch rapidly inside the limbs

Explanation

Question 24 of 29

1

What is the difference between pre- and post- ganglionic neurons?

Select one of the following:

Pre are myelinated, post are not
Post are myelinated, pre are not

Explanation

Question 25 of 29

1

Where are sympathetic ganglia found?

Select one or more of the following:

Close to the spinal cord
Close to the target organ
Usually above/below the thoracic region
Rarely above/below the thoracic region

Explanation

Question 26 of 29

1

Where are parasympathetic ganglia found?

Select one or more of the following:

Away from the spinal cord
Towards the spinal cord
Not always part of the spinal nerve
Always part of the spinal nerve
Nuclei are found in the cranosacral region

Explanation

Question 27 of 29

1

Which have a sharper pain sensation?

Select one of the following:

Visceral afferent fibres
Sensory somatic neurons

Explanation

Question 28 of 29

1

Pain is triggered along a somatic nerve- describe the sensation

Select one or more of the following:

Sharp
Dull
Ill-defined
Well localised pain

Explanation

Question 29 of 29

1

What is the cause of referred pain in visceral afferent fibres?

Select one of the following:

Visceral fibres reference back to the spinal cord, and the nerve bodies can become confused as they serve separate areas
Visceral fibres reference back to the spinal cord, and the nerve fibres can become confused as they serve separate areas

Explanation