Skeletal and Smooth Muscle Quiz B

Which motor unit size allows precise control?

• Large
• Small
• Medium
• None

Where is smooth muscle found?

• Heart
• Lungs
• Blood vessels and intestines
• Skin

Which muscle type is striated and voluntary?

• Smooth
• Skeletal
• Cardiac
• Visceral

Which muscle type contracts slowly and involuntarily?

• Skeletal
• Smooth
• Cardiac
• Striated

What is a muscle's origin?

• Distal attachment
• Proximal attachment
• Moves most
• Moves during contraction

What is a muscle's insertion?

• Proximal attachment
• Fixed point
• Distal attachment
• Moves least

What does an antagonist muscle do?

• Initiates movement
• Stabilizes joint
• Contracts concentrically
• Opposes movement

What is a synergist muscle?

• Primary mover
• Opposing muscle
• Stabilizer
• Relaxed muscle

Which muscle is deep to rectus femoris?

• Vastus lateralis
• Vastus medialis
• Vastus intermedius
• Sartorius

Which muscle is deep to semitendinosus?

• Semimembranosus
• Biceps femoris
• Gluteus maximus
• Adductor longus