Straighterline Bio201 | Topic 9 | Muscular
System: Histology and Physiology
Which of the following is NOT a function of skeletal muscle?
A. body movement
B. maintenance of posture
C. respiration
D. constriction of organs
E. production of heat - constriction of organs
2. Which of the following actions is caused by contraction of skeletal muscle?
A. contraction of the heart
B. moving your feet in walking
C. movement of food through the digestive tract
D. emptying of the urinary bladder
E. vasoconstriction - moving your feet in walking
,3. Smooth muscle and cardiac muscle are similar in that they both
A. are under involuntary control.
B. are striated.
C. are widely distributed in the body.
D. have multiple nuclei.
E. are under voluntary control. - are under involuntary control.
4. The capacity of a muscle cell to shorten forcefully is known as
A. contractility.
B. excitability.
C. extensibility.
D. elasticity.
E. flexibility. - contractility.
5. Muscles exhibit the property of excitability. This means that the muscle
A. shortens its length.
B. recoils to its original resting length.
C. stretches beyond its normal length.
D. responds to stimulation by the nervous system.
E. excites itself. - responds to stimulation by the nervous system.
,6. Identify the statement concerning general functional characteristics of muscle that is
true.
A. Muscle tissue shortens forcefully but lengthens passively.
B. Muscle tissue shortens passively but lengthens forcefully.
C. Muscle tissue can get shorter, but can not get longer.
D. Muscle tissue can get longer, but can not get shorter.
E. None of these statements are true. - Muscle tissue shortens forcefully but lengthens
passively.
7. Identify the statement concerning skeletal muscle that is true.
A. It comprises about 20% of the body's weight.
B. It propels urine through the urinary tract.
C. Its function is largely under involuntary control.
D. It is a kind of connective tissue.
E. It is responsible for locomotion. - It is responsible for locomotion.
8. Which of the following is true?
A. Skeletal muscle is capable of spontaneous contraction.
B. Smooth muscle is found in the walls of hollow organs.
C. Cardiac muscle cells have multiple nuclei.
D. Smooth muscle cells are long and cylindrical.
E. There is a small amount of smooth muscle in the heart. - Smooth muscle is found in
the walls of hollow organs.
, 9. Skeletal muscle fibers
A. possess striations.
B. can contract but are not extensible or excitable.
C. do not require nerve innervation to contract.
D. increase dramatically in number after birth.
E. are found in the walls of the stomach. - possess striations.
10. Which type of muscle tissue has spindle-shaped cells?
A. skeletal muscle
B. smooth muscle
C. cardiac muscle
D. both skeletal and cardiac muscle
E. both cardiac and smooth muscle - smooth muscle
System: Histology and Physiology
Which of the following is NOT a function of skeletal muscle?
A. body movement
B. maintenance of posture
C. respiration
D. constriction of organs
E. production of heat - constriction of organs
2. Which of the following actions is caused by contraction of skeletal muscle?
A. contraction of the heart
B. moving your feet in walking
C. movement of food through the digestive tract
D. emptying of the urinary bladder
E. vasoconstriction - moving your feet in walking
,3. Smooth muscle and cardiac muscle are similar in that they both
A. are under involuntary control.
B. are striated.
C. are widely distributed in the body.
D. have multiple nuclei.
E. are under voluntary control. - are under involuntary control.
4. The capacity of a muscle cell to shorten forcefully is known as
A. contractility.
B. excitability.
C. extensibility.
D. elasticity.
E. flexibility. - contractility.
5. Muscles exhibit the property of excitability. This means that the muscle
A. shortens its length.
B. recoils to its original resting length.
C. stretches beyond its normal length.
D. responds to stimulation by the nervous system.
E. excites itself. - responds to stimulation by the nervous system.
,6. Identify the statement concerning general functional characteristics of muscle that is
true.
A. Muscle tissue shortens forcefully but lengthens passively.
B. Muscle tissue shortens passively but lengthens forcefully.
C. Muscle tissue can get shorter, but can not get longer.
D. Muscle tissue can get longer, but can not get shorter.
E. None of these statements are true. - Muscle tissue shortens forcefully but lengthens
passively.
7. Identify the statement concerning skeletal muscle that is true.
A. It comprises about 20% of the body's weight.
B. It propels urine through the urinary tract.
C. Its function is largely under involuntary control.
D. It is a kind of connective tissue.
E. It is responsible for locomotion. - It is responsible for locomotion.
8. Which of the following is true?
A. Skeletal muscle is capable of spontaneous contraction.
B. Smooth muscle is found in the walls of hollow organs.
C. Cardiac muscle cells have multiple nuclei.
D. Smooth muscle cells are long and cylindrical.
E. There is a small amount of smooth muscle in the heart. - Smooth muscle is found in
the walls of hollow organs.
, 9. Skeletal muscle fibers
A. possess striations.
B. can contract but are not extensible or excitable.
C. do not require nerve innervation to contract.
D. increase dramatically in number after birth.
E. are found in the walls of the stomach. - possess striations.
10. Which type of muscle tissue has spindle-shaped cells?
A. skeletal muscle
B. smooth muscle
C. cardiac muscle
D. both skeletal and cardiac muscle
E. both cardiac and smooth muscle - smooth muscle
