Which statement is TRUE regarding cardiac muscle?

Question

TuteeHUB · Accepted Answer

Ca2+ release is triggered by membrane repolarisation

TuteeHUB · Answer

cardiac muscle fibres are multinucleated

TuteeHUB · Answer

they are smaller than skeletal muscle fibres

TuteeHUB · Answer

the elastic  Titin  protein component is greater than in skeletal muscle, adding stiffness

TuteeHUB · Answer

the amount of Ca2+ in the sarcoplasmic reticulum is decreased by catecholamine stimulation

1.	Which statement is TRUE regarding cardiac muscle?
A.	cardiac muscle fibres are multinucleated
B.	they are smaller than skeletal muscle fibres
C.	Ca2+ release is triggered by membrane repolarisation
D.	the elastic Titin protein component is greater than in skeletal muscle, adding stiffness
E.	the amount of Ca2+ in the sarcoplasmic reticulum is decreased by catecholamine stimulation
Answer» C. Ca2+ release is triggered by membrane repolarisation

Discussion