Question 1

Action potentials are described as being 'all-or-none'. This property means that ______.

Accepted Answer

A)  action potentials do not vary in size dependent upon the size of the stimulus 
B)  an axon can only fire one action potential at a time 
C)  for an action potential to be triggered all of the sodium channels in the membrane need to open 
D)  if a sensory neuron experiences a stimulus below the threshold potential it will produce a small action potential 
A)  action potentials do not vary in size dependent upon the size of the stimulus 
B)  an axon can only fire one action potential at a time 
C)  for an action potential to be triggered all of the sodium channels in the membrane need to open 
D)  if a sensory neuron experiences a stimulus below the threshold potential it will produce a small action potential

Question 2

Astrocytes are ______.

Accepted Answer

A)  a type of glia cell that forms the blood-brain barrier 
B)  a type of glia cell that insulates the axons 
C)  large neurons found in the spinal cord 
D)  star-shaped neurons 
A)  a type of glia cell that forms the blood-brain barrier 
B)  a type of glia cell that insulates the axons 
C)  large neurons found in the spinal cord 
D)  star-shaped neurons

Question 3

What is meant by the term synaptic plasticity and why is it an important process for determining behaviour?

Accepted Answer

Synaptic plasticity refers to the abilit

Question 4

The autonomic nervous system can be further subdivided into ______.

Accepted Answer

A)  the parasympathetic, somatic and cranial divisions 
B)  the spinal, sympathetic and parasympathetic divisions 
C)  the sympathetic, cranial and enteric divisions 
D)  the sympathetic, parasympathetic and enteric divisions 
A)  the parasympathetic, somatic and cranial divisions 
B)  the spinal, sympathetic and parasympathetic divisions 
C)  the sympathetic, cranial and enteric divisions 
D)  the sympathetic, parasympathetic and enteric divisions

Action potentials are described as being 'all-or-none'. This property means that ______.

Astrocytes are ______.

What is meant by the term synaptic plasticity and why is it an important process for determining behaviour?

The autonomic nervous system can be further subdivided into ______.

Drugs and the Nervous System: Psychopharmacology

Development, Degeneration and Recovery of the Nervous System

The Importance of Experience: Learning and Memory

Sensory Systems

Motor Control

Emotional Behaviours

Motivated Behaviours

Psychological Disorders

Filters

Exam 1: Structure and Communication in the Nervous System

Action potentials are described as being 'all-or-none'. This property means that ______.

Astrocytes are ______.

What is meant by the term synaptic plasticity and why is it an important process for determining behaviour?

The autonomic nervous system can be further subdivided into ______.

Drugs and the Nervous System: Psychopharmacology

Development, Degeneration and Recovery of the Nervous System

The Importance of Experience: Learning and Memory

Sensory Systems

Motor Control

Emotional Behaviours

Motivated Behaviours

Psychological Disorders

Filters