Practice Quiz When you contract the Sternocleidomastoid muscles, which bone is considered the bone that has the insertion tendon attached onto it? Manubrium of Sternum Ileum of Coxal bone Radius of the forearm Mastoid process of Temporal Bone Answer : D

Place these structures in order from LARGEST structure to SMALLEST: A) Myofibril B) Myofilament (MYOSIN) C) Muscle Body D) Muscle Bundle (Fascicle) E) Muscle Fiber F) Myofilament (ACTIN) ANSWER : C D  E  A  B  F

2. Which structure below would be considered the Muscle Bundle (Fascicle)? Answer : B A = Muscle Body C = Muscle Fiber (Cell) D = Myofibril B C D

Answer - Cardiac 3. The picture below represents what type of muscle TISSUE? 4. What is the proper name for the structure that the arrow is pointing to? Answer – Intercalated Discs

Answer = D Deltoid – Shoulder Muscle Triceps Brachii Tibialis Anterior 5. For FLEXION at the elbow, what muscle below would be considered the PRIME MOVER (main muscle responsible)? Deltoid – Shoulder Muscle Triceps Brachii Tibialis Anterior Biceps Brachii Sternocleidomastoids Answer = D

Sarcomere Practice Quiz #5 #6 #4 #1 #3 #2

ANSWERS #1 – MYOSIN #2 – A-Band #3 – Z- Line #4 – Actin #5 – I- Band #6 - H-Zone