Structure of Skeletal Muscle

the cordlike connective tissue that attaches a muscle to a bone is called

• a tendon

• a ligament

• a sarcomere

• a fascicle

The entire muscle is encased by connective tissue called the

• sacromere

• sarcoplasm

• myosin

• epimysium

the functional contractile unit within a muscle fiber is called the

• sarcomere

• fascia

• sarcoplasm

• tendon

What are myofibrils composed of?

• muscle fibers

• muscle fascicles

• myofilaments

• myopathic fibers

Which type of muscle tissue is both voluntary and striated?

• Skeletal

• Cardiac

• Smooth

• Connective

Which of the following correctly lists the structures from largest to smallest

• Myofibril, Myofilament, Muscle fiber, Fascicle

• Fascicle, Myofibril, Muscle fiber, Myofilament

• Muscle, Muscle fiber, Fascicle, Myofibril

• Fascicle, Muscle fiber, Myofibril, Myofilament

Tags

NGSS.HS-LS1-2

A bundle of muscle fibers

• Myofilament

• Fibril

• Muscle

• Fascicle

Tags

NGSS.HS-LS1-2

Myofibrils are composed primarily of

• Actin and Myosin

• ATP and ADP

• Troponin

• Tropomyosin

Muscle fatigue is most likely due to an accumulation of

• citric acid

• lactic acid

• creatine

• myosin

Tags

NGSS.HS-LS2-3

What is the connective tissue covering of a muscle fascicle?

• endomysium
• perimysium
• epimysium