Tendon
Ligament
Endomysium
Epimysium
Perimysium
Perimysium
Deep fascia
Fascicle
Aponeurosis
Endomysium
One artery and one or two veins
Two arteries and two veins
Three arteries and two veins
One artery and three veins
One artery and a varied amount of veins
Myelin bulbs
Neuromuscular bulbs
Synaptic end bulbs
Axon collateral bulbs
Tubule bulbs
Grow
Lengthen
Contract
Go through cell division
All of the answer choices
Sarcolemma, axon of neuron, T tubules
T tubules, sarcolemma, myofilament
Muscle fiber, axon of neuron, myofibrils
Axon of neuron, sarcolemma, T tubules
Myofibrils, myofilaments, mitochondria
Randomly throughout the sarcoplasm.
In circles around the T-tubules.
Around the nuclei
In rows near the contractile muscle proteins.
Close to the sarcolemma
Myofibrils
Myoglobin
Mitochondria
Z discs
M lines
Myofibrils
Mitochondria
Terminal cisterns of sarcoplasmic reticulum
T-tubules
None of the answer choices
Oxygen
ATP
PO43-.
Na+.
Ca2+.
I band
A band
H zone
Both I band and A band
All of these answer choices are correct
Zone of overlap
A band
H zone
Both A band and H zone
All of the above
Contractile proteins.
Regulatory proteins.
Structural proteins.
All of these answers are correct.
None of these answers are correct.
Actin
Myosin
Troponin
Titin
Tropomyosin
Troponin and titin
Tropomyosin and troponin
Myosin and titin
Titin and tropomyosin
Tropomyosin and myosin
The A band only
The H zone only
The zone of overlap only
From M line to Z disc
The I band only
Troponin
Tropomyosin
Myosin
Actin
Dystrophin
Z disc
H zone
M line
A band
I band
At the beginning of a contraction
In response to acetylcholine binding to Ca2+ release channels.
By active transport using Ca2+ pumps in the SR membrane.
After the contraction ends.
All of these answers are correct.
The actin filaments
Calcium ions
Potassium ions
ATP hydrolysis reaction
ADP synthesis
ATP and acetylcholine (ACh)
Calcium ions and ATP
ACh and potassium ions
Sodium ions and ATP
Calcium and ACh
Node of Ranvier
Synaptic cleft
Sarcolemma
Synaptic end bulb
Transverse tubule
15 seconds.
15 minutes.
1.5 minutes.
5 seconds.
One minute.
Sarcomere
Motor unit
Neuromuscular junction
Muscle unit
Multi-unit smooth muscle
Isometric contraction.
Isotonic contraction.
Tetany.
Refractory period.
Twitch contraction.
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