BY 320 Muscle Lecture Review Questions

The attachment of a muscle’s tendon to the stationary bone is called the ___; the attachment of the muscle's other tendon to the movable bone is called the ___.

• insertion, action.

• insertion, origin.

• origin, action.

• origin, insertion

Which of the following statements is most true regarding slow oxidative fibers found in skeletal muscle?

• They are adapted for intense bursts of anaerobically fueled movement.

• They are large in diameter.

• They contract slowly, but are resistant to fatigue.

• They have relative few capillaries because of low oxygen demand.

This is the least powerful type of muscle fiber.

• Fast glycolytic

• Fast oxidative

• Slow glycolytic

• Slow oxidative

Which of the following is a feature present in cardiac muscle tissue, but absent in other muscle tissue types?

• Intercalated discs

• Nuclei

• Sarcomeres

• Striations

From medial to lateral, the femoral triangle includes the femoral ___.

• nerve, vein, and artery

• nerve, artery, and vein

• vein, artery, and nerve

• artery, vein, and nerve

Which muscle can contract to assist in exhalation?

• Diaphragm

• External intercostals

• Internal intercostals

• Scalenus

Which of these muscles is NOT considered part of the quadriceps femoris (“quads”)?

• Rectus femoris

• Sartorius

• Vastus lateralis

• Vastus medialis

Which of these muscles is NOT considered part of the hamstrings?

• Biceps femoris

• Gracilis

• Semitendinosus

• Semimembranosus

Which of these muscles would function to flex the leg?

• Semimembranosus

• Rectus femoris

• Adductor longus

• Vastus lateralis

Which of the following connective tissue layers surrounds a fascicle?

• Endomysium

• Epimysium

• Perimysium

• Fascia