Page |1
BYU Cell 220 Exam 2 Questions and
Correct Answers/ Latest Update / Already
Graded
What are the three types of muscle tissue?
Ans: Skeletal, Cardiac, and Smooth
What are the properties of muscle tissue?
Ans: Excitability, Contractility, Elasticity, and Extensability
Where is cardiac muscle found?
Ans: The Myocardium of the Heart
What are the Characteristics of Cardiac Muscle?
Ans: Branches Fibers, 1 or 2 nuclei, Intercalated discs,
Striations, auto-rhythmic, Involuntary
Where is smooth muscle found?
Ans: Walls of visceral organs
What are the characteristics of smooth muscle?
All rights reserved © 2025/ 2026 |
, Page |2
Ans: Fusiform shape, 1 nucleus, no striations, involuntary,
fatigue-resistant
What are the characteristics of skeletal muscle?
Ans: Large, Cylindrical, many nuclei, striated, voluntary,
vascular, innervated at neuromuscular junctions, formed from
fusion of myoblasts
What are the functions of skeletal muscle?
Ans: Movement, posture maintenance, temperature
regulation, storage of materials (amino acids and glycogen),
movement of materials, support abdominal organs, joint
stabilization
The endomysium wraps...
Ans: Muscle fibers
The perimysium wraps...
Ans: Fascicles
The epimysium wraps...
All rights reserved © 2025/ 2026 |
, Page |3
Ans: Entire muscles
Deep fascia wraps...
Ans: Muscle groups
What is the order of skeletal muscle organization from smallest to
largest?
Ans: Myosin/Actin proteins, thick/thin filaments, myofibril,
myofiber, fascicle, muscle, muscle group
Collagen fibers of endomysium, perimysium, and epimysium are
__________ with tendons
Ans: Continuous
What wraps a muscle fiber?
Ans: The Sarcolemma
Tendons connect muscles to...
Ans: Bones or skin
All rights reserved © 2025/ 2026 |
, Page |4
An aponeurosis is a...
Ans: Flat tendon
Testosterone makes muscle fibers...
Ans: Wider and thicker
Where is skeletal muscle found?
Ans: Connected to the skeleton
What does actin do?
Ans: Contracts muscle (acts)
What does myosin do?
Ans: Binds to ATP
How do z lines move?
Ans: Closer together. In toward M line.
What do troponin and tropomyosin do to aid muscle movement?
All rights reserved © 2025/ 2026 |
BYU Cell 220 Exam 2 Questions and
Correct Answers/ Latest Update / Already
Graded
What are the three types of muscle tissue?
Ans: Skeletal, Cardiac, and Smooth
What are the properties of muscle tissue?
Ans: Excitability, Contractility, Elasticity, and Extensability
Where is cardiac muscle found?
Ans: The Myocardium of the Heart
What are the Characteristics of Cardiac Muscle?
Ans: Branches Fibers, 1 or 2 nuclei, Intercalated discs,
Striations, auto-rhythmic, Involuntary
Where is smooth muscle found?
Ans: Walls of visceral organs
What are the characteristics of smooth muscle?
All rights reserved © 2025/ 2026 |
, Page |2
Ans: Fusiform shape, 1 nucleus, no striations, involuntary,
fatigue-resistant
What are the characteristics of skeletal muscle?
Ans: Large, Cylindrical, many nuclei, striated, voluntary,
vascular, innervated at neuromuscular junctions, formed from
fusion of myoblasts
What are the functions of skeletal muscle?
Ans: Movement, posture maintenance, temperature
regulation, storage of materials (amino acids and glycogen),
movement of materials, support abdominal organs, joint
stabilization
The endomysium wraps...
Ans: Muscle fibers
The perimysium wraps...
Ans: Fascicles
The epimysium wraps...
All rights reserved © 2025/ 2026 |
, Page |3
Ans: Entire muscles
Deep fascia wraps...
Ans: Muscle groups
What is the order of skeletal muscle organization from smallest to
largest?
Ans: Myosin/Actin proteins, thick/thin filaments, myofibril,
myofiber, fascicle, muscle, muscle group
Collagen fibers of endomysium, perimysium, and epimysium are
__________ with tendons
Ans: Continuous
What wraps a muscle fiber?
Ans: The Sarcolemma
Tendons connect muscles to...
Ans: Bones or skin
All rights reserved © 2025/ 2026 |
, Page |4
An aponeurosis is a...
Ans: Flat tendon
Testosterone makes muscle fibers...
Ans: Wider and thicker
Where is skeletal muscle found?
Ans: Connected to the skeleton
What does actin do?
Ans: Contracts muscle (acts)
What does myosin do?
Ans: Binds to ATP
How do z lines move?
Ans: Closer together. In toward M line.
What do troponin and tropomyosin do to aid muscle movement?
All rights reserved © 2025/ 2026 |
