The peripheral nervous system comprises...
the nervous system outside the brain and spinal cord
the spinal cord
The spinal cord and cranial nerves
The sensory and motor neurons
A movement of the resting potential from -70mV to -85mV would be termed...
a hyperpolarisation
an action potential
a depolarisation
a threshold point
What is the typical membrane potential of a resting neuron?
-70mV
+70mV
-30mV
+30mV
Which type of neurons would be described as having afferent axons?
interneurons
sensory neurons
glial cells
motor neurons
During an EPSP...
sodium ions enter the cell
sodium ions leave the cell
calcium ions leave the cell
potassium ions enter the cell
Neuropeptides are...
the waste products of neurotransmitter release
amino acid chains that act as neuromodulators
the only neurotransmitter in the CNS
none of the above
A small depolarising current applied to a neuron at rest will...
trigger an action potential
reduce the membrane potential
cause no change in the neuron
cause hyperpolarisation
Schwann cells myelinate...
all neurons
just interneurons
axons in PNS
axons in the CNS
When the action potential reaches the axon terminal it stimulates the release of neurotransmitter by causing ________ to open.
potassium ions
calcium ions
synaptic vesicles
synaptic bouton
The neurotransmitter molecules travel across the synaptic cleft by...
active transport
electrostatic pressure
diffusion
sodium potassium pump
Which of the following is not an anatomical term?
posterior
sagittal
medial
crown
The hindbrain consists of the...
medulla, pons, cerebellum
thalamus, hypothalamus
superior colliculus, inferior colliculus, substantia nigra
cerebral cortex, medulla, pons
The _____ plays a role in vision.
brain stem
inferior colliculus
medial colliculus
superior colliculus
In which area of the brain is the amygdala?
the substanstia nigra
the brain stem
the limbic system
the red nucleus
In humans, there are traditionally ___ pairs of cranial nerves.
10
11
12
13
