Muscle Actions_Locations

Which muscle tissue has striations?

• smooth
• cardiac
• skeletal
• skeletal and cardiac

Which muscle tissue is attached to bones?

• cardiac
• smooth
• skeletal
• Both A and B

Which muscle tissue is found in the heart?

• smooth
• cardiac
• skeletal
• Both B and C

Flexion...

• Decreases angle of the joint
• Increases angle at the joint
• Moves limb away from midline
• Moves limb toward midline

List the structures of a muscle from smallest to largest

• myofibril, muscle fiber, fascicle, muscle
• fascicle, muscle, myofibril, muscle fiber
• fascicle, sarcomere, muscle, muscle fiber
• myofibril, muscle, fascicle, sarcomere

What is the name of the connective tissue that covers the entire muscle?

• endomysium
• perimysium
• epimysium
• trimysium

What is the name of the contractile unit in a muscle cell?

• fascicle
• sarcomere
• tendon
• endomysium

What is the connective tissue covering of a muscle fascicle?

• endomysium
• perimysium
• epimysium
• trimysium

What is the name of the molecule that has heads and pulls the actin towards the center of the sarcomere?

• fascicle
• sarcoplasm
• myosin
• Ach

What is NOT a feature of a sarcomere?

• Z line
• Myosin
• Actin
• Action potential