Exam #3: Matching

Question 1

The distance between two Z discs

Answer 1

sarcomere

Question 2

Otherwise known as thick filaments

Answer 2

myosin filaments

Question 3

Contains only the actin filament and Z discs

Answer 3

I band

Question 4

Both actin and myosin are found on this band

Answer 4

A band

Question 5

Tropomyosin runs along it grooves

Answer 5

Actin filaments

Question 6

Titin anchors to this in the middle of sarcomere

Answer 6

M-proteins

Question 7

Anchoring proteins

Answer 7

Nebulin

Question 8

Neurotransmitters are released at the

Answer 8

Axonal terminal

Question 9

The “white” tissue of a neuron is:

Answer 9

Schwann Cell

Question 10

Conducts impulses toward the nerve cell body

Answer 10

Dendrites

Question 11

Conducts impulses away from the nerve cell body:

Answer 11

Axon

Question 12

Propagation of salutatory conduction involves:

Answer 12

Nodes of Ranvier

Question 13

Has important role in action potential activation

Answer 13

Axon Hillock

Question 14

Has important role in action potential activation

Answer 14

Axon Hillock

Question 15

Period during which the neuron cannot respond to a second stimulus, no matter how strong

Answer 15

Absolute refractory period

Question 16

Numerous nerve impulses arriving at a synapse at closely timed intervals exert a cumulative effect

Answer 16

Temporal summation

Question 17

The interior of the cell becomes less negative due to an influx of sodium ions

Answer 17

depolarization

Question 18

Stimulation of a postsynaptic neuron by many terminals at the same time

Answer 18

Spatial summation

Question 19

The specific period during which potassium ions diffuse out of the neuron due to a change in membrane permeability

Answer 19

repolarization

Question 20

An insufficient stimulus

Answer 20

Subthreshold stimulus

Question 21

Called a nerve impulse when transmitted

Answer 21

Action potential

Question 22

Any stimulus below this intensity will result in no response in a neuron

Answer 22

Threshold stimulus