Introduction to Muscular System

Which of the following muscles is voluntary, meaning we have control of its contractions?

• Cardiac

• Skeletal

• Smooth

Which of the following muscles is involuntary and makes up our heart?

• Cardiac

• Skeletal

• Smooth

Smooth muscle, as shown in the image, is not banded and has tapered ends. What is the word for the tapered shape?

• fusiform

• fusion-ha

• taper

What type of muscle contraction is taking place with the blue arrow?

• Concentric

• Eccentric

• Isometric

What type of muscle contraction is taking place?

• Concentric

• Eccentric

• Isometric

What muscle movement is shown in the image?

• Abduction

• Adduction

• Flexion

• Rotation

Which of the following connective tissue sheaths surrounds an individual skeletal muscle cell?

• fascicle

• perimysium

• endomysium

• epimysium

Which of the following connective tissue sheaths surrounds a fascicle?

• fascicle

• perimysium

• endomysium

• epimysium

Which of the following connective tissue sheaths surrounds a group of fascicles?

• fascicle

• perimysium

• endomysium

• epimysium

Which of the following is a bundle of skeletal muscle cells?

• fascicle

• perimysium

• endomysium

• epimysium