Questions about muscle tissue. Some of the questions are related to the mega case unit "Childhood" (muscle contraction, neuromuscular junction) and some of the questions are related to the "Maturity 1" case unit (differences between cardiac, skeletal and smooth muscles).
20-30%
30-40%
40-50%
50-60%
60-70%
Microscopic anatomy
Location
Type of control
A and B
A, B and C
Moving blood throughout the body
Generating heat through contractions
Stopping the movement of joints
Promoting movement of body structures
Storing energy
Electrical excitability
Contractility
Extensibility
Elasticity
Thermogenesis
Lengthen
Widen
Shorten
Conduct electrical current
Exhibit elasticity
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 bulb
Tubule bulb
Grow
Lengthen
Contract
Go through mitosis
All of the above
Sarcolemma, axon of neuron, T tubules
T tubules, sarcolemma, myofilament
Muscle fibre, axon of neuron, myofibrils
Axon of neuron, sarcolemma, T tubles
Myofibrils, myofilaments, mitochondria
Randomly
In circles
Around the nuclei
In rows
Closest to the sarcolemma
Myofibrils
Myoglobin
Mitochondria
Z disc
M line
Myofibrils
Sarcoplasm
Terminal cisterns of sarcoplasmic reticulum
Sarcomeres
None of the above
Oxygen
ATP
Phosphate ions
Sodium ions
Calcium ions
I band
A band
H zone
A and B
A, B and C
Zone of overlap
A band
H zone
B and C
A, B and C
Contractile proteins
Regulatory proteins
Structural proteins
All of the above
None of the above
Actin
Myosin
Troponin
Titin
Tropomyosin
Troponin and titin
Tropomyosin and troponin
Myosin and titin
Titin and tropomyosin
Titin and actin
In the A band only
In the H zone only
From Z disc to Z disc
From M line to Z disc
In the I band only
Troponin
Tropomyosin
Myosin
Actin
Dystrophin
Z disc
Sarcolemma
M line
A band
I band
At the beginning of a contraction
Throughout the entire contraction
During the midpoint only of the contraction
After the contraction ends
Not during the contraction
The actin filaments
Calcium ions
Potassium ions
ATP hydrolysis reaction
ADP synthesis