You are watching: Which of the following parts of a reflex arc monitors body conditions

This includes neuronal cell bodies, dendrites, unmyelinated axons, axon terminals and also neruoglia.

a. Gray matter

b. White matter

c. Astrocytes

d. Satellite cells

e. Ependymal cells


Which is no a type of channel offered in production of an electric signal in neurons?

a. Leakage channel

b. V oltage-gated channel

c. Ligand-gated channel

d. Mechanically gated channel

e. Ion dependence channel


The resting membrane potential in neurons varieties from:

a. +5to100mV

b. –25 to -70 mV

c. –40 come –90 mV

d. –90to5mV

e. No one of the above


A polarized cell

a. Can vary from +5 to –100 mV

b. Includes most cell of the body

c. Exhibits a membrane potential

d. Bothbandc

e. Every one of the above


Sodium pumps are thought about electrogenic because

a. They contribute to the negativity of the relaxing membrane potential

b. Because the sodium ions a re negatively charged

c. Since they exhibit short permeability

d. Bothaandb

e. Every one of the above


A depolarizing graded potential

a. Makes the membrane an ext polarized

b. Renders the membrane less polarized

c. Is not considered a graded potential

d. Is the last part of an action potential

e. Is seen when the cell viewpoints threshold


When a depolarizing graded potential provides the membrane depolarize come threshold

a. Ligand gated Ca+ channels close rapidly

b. V oltage gated CA+ channels open rapidly

c. Ligand gated Na+ networks close rapidly

d. Voltage gated Na+ networks open rapidly

e. None of the above


During the resting state that a voltage gated Na+ channel

a. The inactivation gate is open

b. The activation gate is closed

c. The channel is permeable

d. Bothaandb

e. Every one of the above


During which duration can a second action potential be initiated by a larger than common stimulus?

a. Refractory period

b. Pure refractory period

c. Relative refractory period

d. All of the above

e. No one of the above


Saltatory conduction

a. Occurs v unmyelinated axons

b. Happens due to even circulation of voltage gated channels

c. Encode only action potentials in an answer to pain

d. Bothaandb

e. None of the above


What phenomenon describes why a light touch feels various than a touch used with much more pressure?

a. Saltatory conduction

b. Constant conduction

c. Frequency that impulses

d. Propagation

e. Refractory period


Which of the adhering to terms describes synapses?

a. Axodendritic

b. Axosomatic

c. Axoaxonic

d. None of the above

e. All of the above


Faster communication and also synchronization space two advantages of

a. Chemical synapsis

b. Electrical synapses

c. Ligand gated channels

d. Voltage gated channels

e. Mechanically gated channels


If a neurotransmitter depolarizes the postsynaptic membrane it is described as:

a. Excitatory

b. Inhibitory

c. Spatial

d. Temporal

e. Summation


IPSP stand for:

a. Inhbitory presynaptic summation potential

b. Inhibitory postsynaptic summation potential

c. Inhibitory postsynaptic potential

d. Inhibitory presynaptic potential

e. No one of the above


Diffusion, enzymatic degradation, and uptake by cells are all ways to

a. Remove a neurotransmitter

b. Prevent a spatial summation

c. Continue a temporal summation

d. Inhibit a presynaptic potential

e. Wake up a presynaptic potential


Where go summation occur?

a. In the synaptic cleft

b. In the dendrites

c. In ~ the cause zone

d. In the neuron nucleus

e. In the neuroplasm


A postsynaptic neuron may respond come inhibitory and also excitatory impacts in i m sorry of the following ways:

a) EPSP

b)Nerve impulse

c)IPSP

d) Bothaandc

e) every one of the above


Which that the adhering to is not thought about a tiny molecule neurotransmitter?

a. Acetylcholine

b. Biogenic amines

c. Purines

d. Endorphins

e. Serotonin


Plasticity means

a. The ability to regenerate

b. Sending out a signal v a converging circuit

c. Signal infection at a synapse

d. Capability to change based top top experience

e. The capacity to stretch without damage


Which part of the diagram is taken into consideration nerve fiber?

a. Ab. Dc. Hd. Bothaandbe. Every one of the above

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