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- 1. Multiple Choice
Which statement best describes a Leak ion channels?
open in response to changes in the membrane potential.
are always open.
open in response to neurotransmitters or other chemicals.
are closed until opened by specific signals.
- 2. Multiple Choice
Sophia is taking her Anatomy and Physiology test. An EEG of her brain would most likely show a higher frequency of which of the following wave types?
Alpha waves
Beta waves
Delta waves
Theta waves
- 3. Multiple Choice
If you are experiencing extreme frustration, your brain is more likely to exhibit which type of wave pattern?
Alpha waves
Beta waves
Delta waves
Theta waves
Gamma waves
- 4. Multiple Choice
The type of memory that is involved with the retaining of facts such as names or dates as well as associated emotional undertones is called ________ memory.
short-term
declarative
procedural
implicit
working
- 5. Multiple Choice
In a neuron, short, branching cytoplasmic extensions that receive information and carry it to the cell body are called ________.
dendrites
axons
cell bodies
axon hillock
a myelin sheath
- 6. Multiple Choice
Gaps between segments of oligodendrocytes or between individual Schwann cells are called ________.
ganglia
microglia
nodes of Ranvier
ependymal cells
nerve tracts
- 7. Multiple Choice
The peripheral nervous system (PNS) consists of __________.
the brain.
the spinal cord.
all the nerves and ganglia outside of the brain and spinal cord.
the white and grey matter and the spinal cord.
the white matter and the ganglia.
- 8. Multiple Choice
Which of these is NOT a component of the diencephalon?
Thalamus
Pons
Pineal gland
Hypothalamus
- 9. Multiple Choice
The numerous raised folds on the surface of each cerebral hemisphere are called ________.
gyri
sulci
fissures
lobes
pineal bodies
- 10. Multiple Choice
The thickest and most superficial of the meninges is the ________.
pia mater
arachnoid layer
dura mater
choroid plexus
dural sinus
- 11. Multiple Choice
The ________ consists of the brain and spinal cord.
central nervous system
somatic nervous system
sympathetic division of the autonomic nervous system
parasympathetic division of the autonomic nervous system
afferent division of the peripheral nervous system
- 12. Multiple Choice
The ________ is the efferent subdivision that transmits impulses from the CNS to skeletal muscles.
central nervous system
somatic nervous system
sympathetic division of the autonomic nervous system
parasympathetic division of the autonomic nervous system
afferent division of the peripheral nervous system
- 13. Multiple Choice
The ________ consists of nerves, receptors, ganglia, and synapses outside the CNS.
central nervous system
somatic nervous system
sympathetic division of the autonomic nervous system
parasympathetic division of the autonomic nervous system
afferent division of the peripheral nervous system
- 14. Multiple Choice
Reception and evaluation of most sensory information, such as touch, balance, and taste, are all associated with
the temporal lobes.
the frontal lobes of cerebral cortex.
the parietal lobes of cerebral cortex.
the occipital lobes of the cerebral cortex.
the cerebellum.
- 15. Multiple Choice
The letter A represents which structure on this figure of a neuron?
Dendrite
Axon
Axon hillock
Node of Ranvier
Schwann cell
- 16. Multiple Choice
The letter B represents which structure on this figure of a neuron?
Dendrite
Axon
Collateral branch of axon
Node of Ranvier
- 17. Multiple Choice
The letter C represents what structure on this figure of a neuron?
Dendrite
Axon
Axon hillock
Node of Ranvier
Schwann cell
- 18. Multiple Choice
In a ________ neural pathway, two or more neurons synapse with the same neuron.
sensory
motor
autonomic
diverging
converging
- 19. Multiple Choice
The portion of the brain that is located posterior to the brainstem and inferior to the cerebrum is the ________.
thalamus
cerebellum
hypothalamus
midbrain
- 20. Multiple Choice
The effectors of the somatic nervous system are ________, and the effectors of the autonomic nervous system are ________.
skeletal muscles; cardiac muscle
skeletal; glands.
skeletal; smooth muscle.
All of the choices are correct.
- 21. Multiple Choice
Which system transmits action potentials from the CNS to cardiac muscle, smooth muscle, and glands?
Somatic Nervous System
Enteric Nervous System
Autonomic Nervous System
Peripheral Nervous System
- 22. Multiple Choice
Which is a cytoplasmic extension from the cell body, that usually receives information from other neurons and transmits the information to the cell body?
Axon
Dendrite
Cell body
Node of Ranvier
- 23. Multiple Choice
Which neurons have many dendrites and a single axon?
Multipolar
Bipolar
Pseudo-unipolar
Tripolar
- 24. Multiple Choice
Which glial cells serve as the major supporting cells in the CNS?
Astrocytes
Ependymal
Microglial
Oligodendrocytes
Schwann
- 25. Multiple Choice
Which cells provide myelin to neurons in the PNS?
Astrocytes
Schwann
Oligodendrocytes
Ependymal
- 26. Multiple Choice
Which refers to the fact that if threshold is reached, an action potential occurs; if the threshold is not reached, no action potential occurs?
Depolarization
Repolarization
All-or-none
Hyperpolarization
- 27. Multiple Choice
It refers to a junction where the axon of one neuron interacts with another neuron.
neuroneuronal synapse
nodes of Ranvier
myelinated axon
unmyelinated axon
- 28. Multiple Choice
It is an involuntary reaction in response to a stimulus applied to the periphery and transmitted to the CNS.
A reflex
A synapse
A node
A cell
- 29. Multiple Choice
A ___________pathway is a simple pathway in which an axon from one neuron divides and synapses with more than one other postsynaptic neuron
diverging
converging
neuronal
reflex arc
- 30. Multiple Choice
Which summation occurs when local potentials overlap in time?
Spatial Summation
Temporal Summation
Tetanus Summation
Subthreshold Summation
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