Intro to Muscular System and Organization

Multiple Choice

Which type of muscle tissue is responsible for voluntary muscle control?

• Cardiac muscle tissue

• Smooth muscle tissue

• Connective tissue

• Skeletal muscle tissue

Multiple Choice

Which type of muscle tissue is found in the heart?

• cardiac muscle tissue

• nervous tissue

• smooth muscle tissue

• skeletal muscle tissue

Multiple Choice

A bundle of muscle cells is called

• fascicle

• perimysium

• microfibril

• myofilament

Multiple Choice

The Endomysium

• surrounds muscle cells

• surrounds the muscle

• a packet of muscle

• surrounds the microfascicle

Multiple Choice

A group of myofibrils is a _____________.

• Fascicle
• Muscle fiber
• Muscle
• Sarcomere

Multiple Choice

The plasma membrane of a skeletal muscle cell is called the:

• sarcomere
• myofilament
• sarcolemma
• sarcoplasm

Reorder

Reorder the following from LARGEST structure down to smallest structure

• muscle

• fascicle

• muscle fiber

• myofibril

• sarcomere

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Which type of muscle contraction involves the muscle length remaining the same while tension increases?

• Isometric Contraction

• Isotonic Contraction

• Concentric Contraction

• Eccentric Contraction

Multiple Choice

Which protein is a thick filament that interacts with the thin filament to generate force?

• Actin

• Tropomyosin

• Myosin

• Troponin

Multiple Choice

When a muscle contracts, it _______

• gets longer
• gets shorter
• gets thinner
• grows hair

Open Ended

Reflection: What part of this topic stuck to you the most that you will remember after leaving this class?