Medical Quiz

Muscle Anatomy Quiz

Why are calcium ions necessary for skeletal muscle contraction?

A. Calcium ions cause ATP binding to actin.

B. Calcium ions release the inhibition on Z discs.

C. Calcium ions trigger the binding of myosin heads to actin filaments.

D. Calcium ions increase the speed of the action potential transmitted along the sarcolemma.

Select your answer:
         


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Tracheostomy Care Mitosis Philosophy Inflammation and Healing Infection Oxygenation Cardiovascular System Dentistry Genes and Cells Cell Structure and Functions Nutrition Parathyroid Gland Skeletal System Deficiency Diseases Teeth and Microbes

Other quiz:

Musculoskeletal System › View

Smooth muscle and cardiac muscle are considered _____ muscles because we can’t control them consciously.

A. Immovable

B. Involuntary

C. Skeletal

D. none of the above


Skeletal System › View

found at the middle of the chest

A. collar bones

B. breastbone

C. ribs

D. floating ribs