#1
What is the primary function of muscular tissue?
Contraction
ExplanationMuscular tissue contracts to generate movement.
#2
Which type of muscle tissue is striated and voluntary?
Skeletal muscle
ExplanationSkeletal muscle is striated and under voluntary control.
#3
Which of the following is not a function of the muscular system?
Production of red blood cells
ExplanationThe muscular system is not responsible for the production of red blood cells.
#4
Which of the following muscles is responsible for flexing the forearm?
Biceps brachii
ExplanationThe biceps brachii flexes the forearm.
#5
Which of the following is not a function of skeletal muscle?
Digestion
ExplanationSkeletal muscle does not aid in digestion.
#6
Which of the following muscles is responsible for the abduction of the arm?
Deltoid
ExplanationThe deltoid muscle abducts the arm away from the body.
#7
Which of the following is a characteristic of cardiac muscle?
It contains intercalated discs
ExplanationCardiac muscle contains intercalated discs facilitating coordinated contraction.
#8
Which of the following statements about skeletal muscle tissue is false?
It is found in the walls of blood vessels
ExplanationSkeletal muscle tissue is not found in the walls of blood vessels.
#9
Which of the following is a characteristic of smooth muscle?
It is found in the walls of hollow organs
ExplanationSmooth muscle is found in the walls of hollow organs like the stomach and intestines.
#10
Which of the following muscles is responsible for extending the hip?
Gluteus maximus
ExplanationThe gluteus maximus extends the hip joint.
#11
Which of the following statements about smooth muscle is true?
It is involuntary
ExplanationSmooth muscle contracts involuntarily.
#12
Which of the following statements about muscle contractions is true?
Eccentric contractions occur when the muscle generates force but does not change length
ExplanationEccentric contractions involve force generation without shortening of the muscle.
#13
Which of the following statements about muscle fibers is true?
Type II fibers are slow-twitch fibers
ExplanationType II fibers are fast-twitch fibers, not slow-twitch.