Neuroanatomy 1

Question 1

Basic anatomical organisation of the nervous system (2)

Answer 1

Central nervous sytem
Peripheral nervous system

Question 2

Central nervous system consists of

Answer 2

Brain and spinal cord

Question 3

Peripheral nervous system consists of

Answer 3

Peripheral nerves and ganglia

Question 4

The nervous system is composed of two broad classes of cells called

Answer 4

Neurons and Glia

Question 5

Two main types of cells in the nervous system

Answer 5

Neurons and Glia

Question 6

Neurons function

Answer 6

Transmission of information

Question 7

Glia function

Answer 7

Support for neurons

Question 8

Outline the general structure of a neuron (4)

Answer 8

Dendrites
Cell body
Axon
Axon terminals

Question 9

Dendrites 2 features

Answer 9

Receives input
Sends info to cell body

Question 10

Cell body 2 features

Answer 10

Contains nucleus and organelles
Sums input

Question 11

Axon 2 features

Answer 11

Carries electrical impulses
May or may not be myelinated

Question 12

Axon terminal 2 features

Answer 12

End of axon
Neurotransmitter release

Question 13

The part of a neuron where summation of inputs takes place is called

Answer 13

Axon hillock

Question 14

The part of a neuron where input of inputs takes place is called

Answer 14

Dendrites and cell body

Question 15

The part of a neuron where conduction of inputs takes place is called

Answer 15

Axon

Question 16

The part of a neuron where output of inputs takes place is called

Answer 16

Axon terminal

Question 17

Neurons 4 morphological types

Answer 17

Multipolar
Bipolar
Unipolar
Anaxonic

Question 18

Multiple processes emanate from cell body

Answer 18

Multipolar

Question 19

Two processes emanate from cell body

Answer 19

Bipolar

Question 20

One process emanates from cell body then branches into dendrite and axon

Answer 20

Unipolar

Question 21

No distinct axon, all processes look the same

Answer 21

Anaxonic

Question 22

Main types of glial cells (4)

Answer 22

Astrocytes
Microglia
Ependymal cells
Oligodendrocytes

Question 23

Astrocytes features (3)

Answer 23

Supply nutrients to neurons
Ensheath blood cappilaries
Injury response

Question 24

Microglia features (2)

Answer 24

Immune cells of central nervous system
Engulf microorganisms and debris

Question 25

Ependymal cells features (2)

Answer 25

Line fluid filled spaces of brain and spinal cord
Have cilia (hair like processes) to circulate CSF

Question 26

Oligodendrocytes features (2)

Answer 26

Support nerve fibres
Ensheath them with myelin

Question 27

The myelin sheath associated with neuronal axons in the CNS is made by

Answer 27

Oligodendrocytes

Question 28

Information that travels into the CNS is called

Answer 28

Afferent
Ascending

Question 29

The process of neurotransmission has both electrical and chemical parts.
Name the anatomical place in the process of neurotransmission where a chemical signal is
used

Answer 29

Synapse