BIOS 252 EXAM SCRIPT UPDATED
COMPLETE QUESTIONS AND ANSWERS
EXPERT REVIEWED
●● Cardiac muscle characteristics
Answer: Striations
Uninuclear
Branching cells
intercalated disc
Involuntary
Found only in the walls of the heart
●● Smooth muscle characteristics
Answer: no striations
spindle-shaped cells
single nucleus
involuntary
found in walls of hollow organs
●● Sarcolemma
Answer: plasma membrane of a muscle cell
, ●● Epimysium
Answer: surrounds entire muscle (entire)
●● Elasticity
Answer: ability to recoil to resting length
●● contractibility
Answer: ability to shorten
●● Extensibility
Answer: ability to be stretched
●● Perimysium
Answer: surrounds fascicles(parts)
●● Endomysium
Answer: Surrounds individual muscle fibers (every)
●● ATP function in muscle contraction
Answer: Breaks myosin from actin cross bridge
COMPLETE QUESTIONS AND ANSWERS
EXPERT REVIEWED
●● Cardiac muscle characteristics
Answer: Striations
Uninuclear
Branching cells
intercalated disc
Involuntary
Found only in the walls of the heart
●● Smooth muscle characteristics
Answer: no striations
spindle-shaped cells
single nucleus
involuntary
found in walls of hollow organs
●● Sarcolemma
Answer: plasma membrane of a muscle cell
, ●● Epimysium
Answer: surrounds entire muscle (entire)
●● Elasticity
Answer: ability to recoil to resting length
●● contractibility
Answer: ability to shorten
●● Extensibility
Answer: ability to be stretched
●● Perimysium
Answer: surrounds fascicles(parts)
●● Endomysium
Answer: Surrounds individual muscle fibers (every)
●● ATP function in muscle contraction
Answer: Breaks myosin from actin cross bridge