WorksheetsApologia Advanced Biology Module 5
Total questions: 11
Worksheet time: 11mins
Where is cardiac muscle tissue located?
in hollow organs and blood vessels
in the heart
on the surface of the body
attached to bone
Which muscle tissue type is multinucleated?
cardiac
smooth
skeletal
visceral
The contractile units of skeletal muscle are known as...
mitochondria
microtubules
T tubules
myofibrils
If a muscle runs out of oxygen, it will function anaerobically through
photosynthesis
the Kreb's cycle
glycolysis
the electron chain transport
The connective tissue sheath which surrounds each group of muscle fibers is...
Endomysium
Perimysium
Epimysium
Endosymbiosis
What do you call a skeletal muscle cell?
Sacolemma
Myofilament
Myalgia
Myofiber
Which of the following is not a characteristic of muscles?
It's elastic
It conducts electrical stimulus
It does not contract
It is contractible and extensible
Match the terms with their definitions
The repeating unit of a myofibril
Sarcomere
One motor neuron and all the muscle fibers it innervates
Motor unit
An individual muscle fiber contracts with equal force in response to each action potential
All-or-none law of muscle contraction
Without_______ to destroy _________, a muscle cell would stay contracted.
Acetycholinesterase and ACh
A motor unit is recruited. What happens to the muscle fibers in that motor unit?
They atrophy
They all relax
They all contract
