MuscleQuiz1

The entire muscle is encased by connective tissue called the

• sacromere

• sarcoplasm

• myosin

• epimysium

The _______________ covers bundles of cells (fascicles) within the muscle.

• endomysium

• perimysium

• sarcoplasm

• tendon

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

• a tendon

• a ligament

• a sarcomere

• a fascicle

the functional contractile unit within a muscle fiber is called the

• sarcomere

• fascia

• sarcoplasm

• tendon

the cytoplasm of a muscle cell is called the

• myosin

• actin

• fascia

• sarcoplasm

This structure stores calcium in the muscle cell

• Sarcolemma

• Sarcoplasmic reticulum

• Sarcomere

What is not a function of the muscular system?

• Maintaining posture

• Generating heat

• Movement

• Storing red blood cells

What is listed from smallest to largest correctly?

• Sarcomere, fascicle, muscle fiber

• Myofibril, sarcomere, fascicle

• Sarcomere, myofibril, muscle fiber

• Myofibril, fascicle, sarcomere

Which of the following is NOT a muscle function?

• Movement of skeleton
• Heat generation
• Transport substances around body
• Moves neurons around body

Rigor mortis that occurs in skeletal muscles a few hours after death is due to

• excessive ATP, which prevents muscle relaxation

• lack of ATP, which prevents muscle relaxation

• excessive ATP, which causes muscle contraction

• None of these