Structure of a Skeletal Muscle Practice Problems

Which of the following activities can be sustained by Type I (slow-twitch oxidative) muscle fibers?

Which of the following is a consequence of blocked T tubules?

Which of the following statements about muscle contraction is true?

Which of the following statements about the number of fascicles is true?

The sarcomere is considered the basic functional unit of the muscle fiber. Which of the following is NOT a component of the sarcomere?

Alex has sustained an injury to his biceps brachii muscle. Which of the following exercises could pose challenges for him?

Which muscle fibers are well-suited for activities requiring quick, powerful bursts of energy, such as sprinting or weightlifting?

What role does the sarcoplasmic reticulum play in muscles:

What is the key difference between hyperplasia and neoplasia?

Which of the following is the outermost connective tissue sheath surrounding the entire skeletal muscle?

Which of the following connective tissue sheaths encloses each muscle fiber in a skeletal muscle?

Which of the following is the primary consequence of compartment syndrome?

How are myofibrils anchored within a skeletal muscle fiber?

Which of the following accurately describes the structure of gap junctions in cardiac muscle cells?

The perimysium is the connective tissue layer that surrounds:

Which of the following accurately describes the property of automaticity in cardiac muscle tissue?

Which of the following aspects of skeletal muscle activity cannot be consciously controlled?

The following structures are present in the skeletal muscle fiber except:

Muscle atrophy refers to the loss of muscle mass and muscle tissue. Which of the following is not a contributing factor of muscle atrophy?

Gary was able to lift the sofa, whereas his friend Christian was unable to do so. Although they both exercise, what form of exercise do you believe is assisting Gary in lifting the sofa?

Which of the following statements about smooth muscle types is true?

Which of the following are matched incorrectly?

Which of the following connective tissue sheaths wrap several sheathed muscle fibers?