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Jouer Test
1. 
Which 2 describe the somatic division?
A.
sympathetic
B.
sensory
C.
parasympathetic
D.
motor
2. 
How many spinal nerves and cranial nerves are there?
A.
32 pairs of spinal; 11 pairs of cranial
B.
32 pairs of cranial; 11 pairs of spinal
C.
31 pairs of spinal; 12 pairs of cranial
D.
31 pairs of cranial; 12 pairs of spinal
3. 
Which 2 describe the autonomic division?
A.
sympathetic
B.
sensory
C.
parasympathetic
D.
motor
4. 
Which of these IS NOT part of the parasympathetic system?
A.
counters the flight or fight response
B.
speeds up certain processes and slows down the processes that aren't needed for that situation
C.
'rest and digest' actions
D.
conserves and restores
5. 
Which of the following IS NOT part of the ANS?
A.
counters flight or fight response
B.
maintains homeostasis
C.
is always active
D.
responds by coordinating both conscious and unconscious activity
6. 
Which 2 of these describe the sympathetic division?
A.
Controls fight or flight response (involuntary responses).
B.
Counters fight or flight response
C.
Enables rest and digest actions
D.
Speeds up certain processes and slows down the processes that aren't needed for that situation
7. 
Which of these two describe the PNS?
A.
All the nerves are contained
B.
All the nerves branch out in
8. 
Which is correct? The ANS...
A.
supplies involuntary control to internal organs
B.
is in charge of voluntary control
9. 
Which of these DOES NOT describe the enteric nervous system?
A.
Conveys sensory information from areas of voluntary control
B.
Regulates digestive function of the gastrointestinal tract
C.
Extends from the oesophagus to the rectum
D.
Comprises sympathetic and parasympathetic fibres (afferent, efferent and interneurons) within the hollow muscular organs of the digestive tract
10. 
Which of the senses does the somatic nervous system NOT transmit sensory information from?
11. 
Which of these describes the somatic nervous system?
A.
supplies motor impulses from the CNS to the skeletal muscles
B.
is involved in involuntary reflex movements via the reflex arc
C.
integrates sensory info collected by the PNS
D.
conscious control of the skeletal muscles
12. 
The somatic nervous system is responsible for what division?
13. 
What are the 2 types of cells that make up nervous tissue?
14. 
Which of the characteristics describe the glial cell?
A.
neurons can't function without them
B.
it's the nerve glue
C.
pump blood to the heart
D.
are surrounded by connective tissue
15. 
Which of the following ARE NOT found in the neuron cell body (soma)?
A.
Astrocytes
B.
Centrosome
C.
Osteoblasts
D.
Microglia
E.
Oligodendrocyctes
F.
Ependymal cells
16. 
Which of the following IS NOT part of glial cells found in the CNS?
A.
Oligodendrocyctes
B.
Ependymal cells
C.
Schwann cells
D.
Microglia
E.
Astrocytes
17. 
Which of the 3 following identifies Schwann cells?
A.
myelinate neurons in the PNS
B.
act as protective, cushioning cells
C.
the major glial cell type in the PNS
D.
guide the regrowth of damaged axons
18. 
What are satellite cells in the PNS glial cells similar to?
19. 
Name three things that the neurons do:
A.
Forms the dominant component of our brain and spinal cord and nerves
B.
Designed to receive, process and send information
C.
Transmit information rapidly to different parts of the brain and nervous system
D.
Ensure rapid and efficient conduction of electrical impulses without a loss of charge
20. 
Which of the following 2 characteristics describe dendrites?
A.
Transmits impulses to other nerve cells or to other cell types (muscles, glands)​
B.
Receive impulses from other neurons and transmit them to the cell body
C.
Carries nerve impulses away from the cell body and towards the axon terminal​
D.
Thin branches extending from the cell body
21. 
Which of the following 2 characteristics describe myelin?
A.
not a continuous sheath - interrupted by small gaps called nodes of Ranvier
B.
receive impulses from other neurons and transmit them to the cell body
C.
insulating layer of fat around the axon of myelinated nerves​
D.
carries nerve impulses away from the cell body and towards the axon terminal​
22. 
Which 2 describe axons?
A.
Can be very short or over a metre
B.
Transmits impulses to other nerve cells or to other cell types (muscles, glands)​
C.
Harbour a high density of ion channels
D.
Ensures rapid and efficient conduction of electrical impulses without a loss of charge​
23. 
Which one describes the nodes of ranvier?
A.
Receive impulses from other neurons and transmit them to the cell body
B.
Carries nerve impulses away from the cell body and towards the axon terminal​
C.
Contain a high density of ion channels allowing movement of ions and thereby the generation of an action potential
D.
Act as protective, cushioning cells
24. 
Which 2 cells types form myelin sheath in the nervous system?
A.
Microglia
B.
Oligodendrocytes
C.
Schwann cells
D.
Satellite cells
25. 
What is the destruction of the myelin sheath called?
26. 
Name 2 medical conditions which involve damage to the myelin of neurons
27. 
Which of the following describe an axon terminal?
A.
They're information messengers
B.
Stores neurotransmitters in synaptic vesicles
C.
Contain a high density of ion channels
D.
Could be adjacent to the target tissue innervated by the neuron
E.
Near the dendrites or cell body of another neuron
28. 
What are synapses?
A.
Three layers of tissue that cover and protect the brain and spinal cord
B.
They carry nerve impulses away from the cell body
C.
The places where neurons connect and communicate with each other
D.
Allow for ions to diffuse in and out of the neuron
29. 
Which 2 terminals are synapses made up of?
30. 
What is an action potential?
31. 
Where is the presynaptic terminal?
32. 
What is essential to electrical changes in neurons?
33. 
What are ion channels? Tick all that apply
A.
They are active conduits
B.
Proteins within the cell membrane​ that are selectively permeable
C.
They use passive diffusion to go through their ion channel
D.
All of them are always closed and require a signal to open
34. 
What is found in higher concentration outside the cell; K+ or Na+ with Cl-
35. 
In the resting membrane potential, what happens first: potassium moves out or sodium moves in?
36. 
If a neuron reaches -56mV, will action potential be realised?
A.
Yes
B.
No
37. 
What is depolarisation?
A.
A rapid sequence of changes in the voltage across a membrane
B.
A change in the electrical charge distribution in a cell which makes the inside of the cell less negative than the outside
C.
The electrical potential difference across the membrane of a nerve cell that is not actively sending signals
D.
The state after the action potential
38. 
What is the refractory period?
A.
The electrical potential difference across the membrane of a nerve cell that is not actively sending signals
B.
The way an electrical impulse skips from node to node down the full length of an axon
C.
An all or nothing event initiated by the opening of sodium ion channels within the plasma membrane
D.
The nerve is not able to receive another impulse and prevents the impulse from travelling backwards along the axon​
39. 
Which 2 descriptions match saltatory conduction?
A.
A stimulus initiates an impulse and the membrane potential becomes more positive
B.
Action potentials travelling down the axon jump from node to node
C.
The process of restoring the polarised condition across the plasma membrane of a cell
D.
Positive ions are pushed towards the more negative environment at the next node