Muscle physiology

Multiple Choice

Thin filaments are formed of.....

• Myosin

• Titin

• Actin

Multiple Choice

In cardiac muscle contraction the one that starts the action of contraction is

• Thick filament

• Thin filament

Multiple Choice

When actin filament is pulled toward the center of the sarcomere it releases....

• ADP and inorganic phosphate

• ATP

• ATP and myosin

Multiple Choice

Element required to start muscle contraction

• Cl

• Na

• Ca

• K