The PNS

Question 1 of 29

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What is contained in the grey matter of the vertebra?

Select one of the following:

  • Cell bodies

  • Nerve cell processes

  • CSF

Question 2 of 29

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

Select one of the following:

  • Nerve cell processes

  • Cell bodies

  • CSF

Question 3 of 29

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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

Question 4 of 29

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Define a nerve fibre

Select one of the following:

  • Axon and neurilemma

  • Axon and cell body

  • Dendrites and cell body

Question 5 of 29

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Define the neurilemma

Select one of the following:

  • Thin sheath around an axon

  • This sheath around the dendrite

  • Multinucleated cell body

Question 6 of 29

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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

Question 7 of 29

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What are held together in the fascicle of a nerve?

Select one of the following:

  • Nerve fibers

  • Peripheral nerves

  • Axons

Question 8 of 29

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What holds together the nerve fascicle?

Select one of the following:

  • Epineurium

  • Perineurium

  • Endoneurium

Question 9 of 29

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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

Question 10 of 29

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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

Question 11 of 29

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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

Question 12 of 29

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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

Question 13 of 29

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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

Question 14 of 29

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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

Question 15 of 29

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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

Question 16 of 29

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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

Question 17 of 29

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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

Question 18 of 29

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

Select one of the following:

  • A plexus

  • A spinal nerve

  • A spinoud

Question 19 of 29

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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)

Question 20 of 29

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General visceral afferent fibres are..

Select one of the following:

  • Sensory

  • Motor

  • Both

Question 21 of 29

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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

Question 22 of 29

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Where are sympathetic fibres found on the CNS?

Select one of the following:

  • T1-L2

  • C5-T3

  • T3-L2

  • L3-C1

Question 23 of 29

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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

Question 24 of 29

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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

Question 25 of 29

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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

Question 26 of 29

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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

Question 27 of 29

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Which have a sharper pain sensation?

Select one of the following:

  • Visceral afferent fibres

  • Sensory somatic neurons

Question 28 of 29

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Pain is triggered along a somatic nerve- describe the sensation

Select one or more of the following:

  • Sharp

  • Dull

  • Ill-defined

  • Well localised pain

Question 29 of 29

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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

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gina_evans0312
Quiz by , created about 3 years ago

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

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Created by gina_evans0312 about 3 years ago
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