nervous system Flashcards
Complete the following sentence: The cells that conduct messages towards the brain are…
motor neurones
sensory neurones
neuroglia
Schwann cells
interneurones
sensory neurones
Complete the following sentence: The most common neurotransmitter at the somatic neuromuscular junction is…
glutamate
dopamine
noradrenaline (norepinephrine)
serotonin
acetylcholine
acetylcholine
Complete the following sentence: The gaps between myelinated segments of an axon are called…
synapses
axon hillocks
white matter sections
nodes of Ranvier
gap junctions
nodes of Ranvier
Complete the following sentence: Cerebrospinal fluid is produced in the…
olfactory centre
choroid plexus
thalamus
prefrontal cortex
dural sinus
choroid plexus
Which of the following statements is TRUE?
Damage to the spinal cord can easily be repaired
The white matter of the spinal cord lies within the grey matter
The spinal cord forms an essential component of many reflex arcs
Sensory information enters the spinal cord via the ventral root
The spinal cord is part of the peripheral nervous system
The spinal cord forms an essential component of many reflex arcs
Complete the following sentence: Stimulation of the sympathetic nervous system results in…
a decrease in peripheral resistance
tachycardia
bronchoconstriction
narrowing of the pupils
an increase in peristalsis of gastrointestinal tract
tachycardia
A nerve impulse travels along a myelinated fibre more quickly than along an unmyelinated fibre. This rapid progression is called…
hyperconduction
diffusion
Ion beaming
saltatory conduction
repolarization
saltatory conduction
Which of the following are proprioceptors?
Central chemoreceptors
Nociceptors in the skin
Hair cells of the cochlea
Stretch receptors of the bladder
Receptors in the semicircular canals of the ear
Receptors in the semicircular canals of the ear
Complete the following sentence: Memory, emotional response, conscious and voluntary movements are all functions of the…
cerebral cortex
premotor area
amygdala
parietal lobe
cerebellum
cerebral cortex
Complete the following sentence: Sensory information enters the spinal cord via the…
basal ganglia.
central canal.
ventral horn.
dorsal root.
interneuron.
dorsal root.
Complete the following sentence: Sensory information enters the spinal cord via the…
basal ganglia.
central canal.
ventral horn.
dorsal root.
interneuron.
dorsal root.
Which of the following are released from the terminal branches of the pre-synaptic neurone?
Electrolytes
Neurotransmitters
ATP
Histamine
Prostaglandins
Neurotransmitters
Where is the nucleus of the nerve located?
Nodes of Ranvier
Axon terminals
Myelin sheath
Cell body
Dendrites
Cell body
Complete the following sentence: The gaps along the myelin sheath are called…
membrane channels.
terminal branches.
dendrites.
nodes of Ranvier.
synapses.
nodes of Ranvier.
Which of the following areas of the brain control respiration rate?
Limbic system
Pituitary gland
Primary motor area
Brain stem
Cerebellum
Brain stem
Complete the following sentence: The function of Schwann cells is to…
produce cerebrospinal fluid.
store neurotransmitter.
open ligand-gated ion channels in the synaptic cleft.
form the myelin sheath of neurons in the peripheral nervous system.
regulate movement at the blood-brain barrier.
form the myelin sheath of neurons in the peripheral nervous system.
Which of the following is a major function of the cerebellum?
Speech
Hearing
Memory processing
Balance
Vision
Balance
Which of the following statements is TRUE?
There are 12 pairs of cranial nerves.
The spinal cord is part of the peripheral nervous system.
Sensory information enters the spinal cord via the ventral root
The highly vascular, innermost layer of the meninges is the arachnoid mater
The outer layer of the spinal cord produces cerebrospinal fluid (CSF).
There are 12 pairs of cranial nerves.
Complete the following sentence: Cerebrospinal fluid is produced in the…
prefrontal cortex
olfactory centre
thalamus
dural sinus
choroid plexus
choroid plexus
Which of the following statements is TRUE?
The medulla oblongata detects osmolarity and releases cortisol
Folds in the brain are called rugae
The accessory nerve relays sensory information to the stomach
The hypothalamus regulates the release of hormones from anterior and posterior pituitary gland
The meninges are formed from oligodendrocytes and Schwann cells
The hypothalamus regulates the release of hormones from anterior and posterior pituitary gland
Which of the following statements is TRUE?
The medulla oblongata detects osmolarity and releases cortisol
Folds in the brain are called rugae
The accessory nerve relays sensory information to the stomach
The hypothalamus regulates the release of hormones from anterior and posterior pituitary gland
The meninges are formed from oligodendrocytes and Schwann cells
The hypothalamus regulates the release of hormones from anterior and posterior pituitary gland
Complete the following sentence: The term ‘saltatory conduction’ refers to the…
movement of sodium ions within the cell body.
conduction of a nerve impulse along a myelinated axon.
opening of ligand gated channels.
diffusion of neurotransmitters across the synapse.
action of the sodium-potassium pump.
conduction of a nerve impulse along a myelinated axon.
Complete the following sentence: The term ‘saltatory conduction’ refers to the…
movement of sodium ions within the cell body.
conduction of a nerve impulse along a myelinated axon.
opening of ligand gated channels.
diffusion of neurotransmitters across the synapse.
action of the sodium-potassium pump.
conduction of a nerve impulse along a myelinated axon.
