Nervous System Flashcards
1
Q
The basic structural and functional unit of the nervous system is the:
- Axon
- Neuron
- Soma
- Motor unit
- Axon hillock
A
Neuron
2
Q
Which is TRUE of the axon?
- Brings information to the cell body
- Has ribosomes
- Always myelinated
- Ends distally with dendrites
- None of the above
A
None of the above
3
Q
Which is NOT TRUE of the dendrites?
- Bring information to the cell body
- Have ribosomes
- Have no myelin insulation
- Branch near the cell body
- Motor in function
A
Motor in function
4
Q
Gray matter is found:
- Inside the spinal cord
- Deep inside the brain
- Outside the brain
- All of these
A
All of these
5
Q
NOT TRUE of the brain and spinal cord:
- Are the control / integrating centers in a feedback mechanism
- Are parts of the peripheral nervous system
- Contain white matter and gray matter
- Contain neurons and neuroglia
- None of the above
A
Are parts of the peripheral nervous system
6
Q
Cell bodies clustered together in PNS are called:
- Columns
- Ganglia
- Neurons
- Nuclei
- Tracts
A
Ganglia
7
Q
NOT FOUND in the central nervous system:
- Basal nuclei
- Thalamus
- Dorsal root ganglia
- All of the choices
A
Basal nuclei
8
Q
Synapses are found between:
- Neuron to neuron
- Muscle to muscle
- Both
- Neither
A
Neuron to neuron
9
Q
Contribute to maintain the Blood-Brain Barrier:
- Interneurons
- Microglia
- Oligodendrocytes
- Schwann cells
- None of the choices
A
None of the choices
10
Q
Gap junctions are present in:
- Chemical Synapses
- Electrical Synapses
- Both
- Neither
A
Electrical Synapses
