Muscular System

Front

Which of the following is NOT a function of the muscular system? Maintain posture, Stabilize Joints, Generate Heat, Store Energy

Back

Store Energy

Front

In forearm flexion, what is the prime mover & what is antagonist?

Back

Prime mover: Biceps; Antagonist: Triceps

Front

A muscle that helps contraction by immobilizing the origin bone is called a/an...

Back

Fixator

Front

Which type of tissue does NOT compose muscles? Options: Skeletal Muscle Tissue, Smooth Muscle Tissue, Nervous Tissue, Connective Tissue

Back

Smooth Muscle Tissue

Front

Which type of tissue produces involuntary movements? Skeletal Muscle Tissue, Cardiac Muscle Tissue, Nervous Tissue, Connective Tissue Proper

Back

Cardiac Muscle Tissue

Front

Which of the following describes the organization of skeletal muscle from largest to smallest? Options: Muscles - Fascicles - Muscle Fibers - Myofibrils - Sarcomeres - Myofilaments, Muscles - Muscle Fibers - Fascicles - Sarcomeres - Myofilaments - Myofibrils, Muscles - Sarcomeres - Muscle Fibers - Myofibrils - Myofilaments - Fascicles, Muscles - Myofibrils - Myofilaments - Muscle Fibers - Sarcomeres - Fascicles

Back

Muscles - Fascicles - Muscle Fibers - Myofibrils - Sarcomeres - Myofilaments

Front

The contractile unit of the muscle is called the...

Back

Sarcomere

Front

Actin & Myosin are examples of...

Back

Myofilaments

Front

Which statement about myosin & actin is FALSE?

• Myosin is thicker than actin
• Myosin & actin are separated by Z discs
• Myosin binds to actin during muscle contraction
• Myosin & actin make up fascicles

Back

Myosin & actin make up fascicles

Front

Which of the following is NOT required for myosin to gain access to actin?

• An action potential triggers the release of calcium ions
• Calcium binds to troponin
• Troponin binds to tropomyosin
• Myosin binds to ADP to form ATP

Back

Myosin binds to ADP to form ATP