Muscular System Review2

When there is no nerve impulse, what is the name of the protein that covers the binding sites on actin?

• Myosin

• Troponin

• Titan

• Tropomyosin

Which type of muscles are under conscious control or are considered voluntary?

• Skeletal

• Smooth

• Cardiac

• Rough

A bundle of muscle fibers is called __________.

• Sarcomere
• Fascicle
• Tendon
• Muscle body

Which of the following muscles is not located on your head?

• Temporalis

• Masseter

• Buccinator

• Pectineus

List the structures of a muscle from largest to smallest.

• myofibril, muscle fiber, fascicle

• fascicle, muscle fiber, myofibril

• fascicle, sarcomere, muscle fiber

• myofibril, fascicle, sarcomere

Tags

NGSS.HS-LS1-2

Which one of the following is a key characteristic of Fast Twitch muscle fibers?

• They are red in color, meaning they contain a lot of mitochondria

• They contract rapidly with great force but fatigue fast

• They are recruited for long duration activities

• They contain high numbers of Mitochondria

Which one of the following is a key characteristic of slow twitch muscle fibers?

• They contain large amounts of Mitochondria

• They are fast to fatigue

• They can be both white and red in appearance

• They contain low numbers of Mitochondria

Tags

NGSS.HS-LS2-3

The situation in which a muscle loses its ability to contract, due to being used strenuously for a long period of time

• muscle pain

• muscle cramp

• muscle fatigue

• oxygen debt

What holds oxygen in muscles cells?

• Myofibrils

• Myoglobin

• Fascicles

• Periosteum

The muscle that contracts during movement is called the

• agonist

• antagonist

• synergist

• flexor