UTA BIOL 2457 EXAM 3 QUESTIONS AND
ANSWERS 100% PASS 2026/2027
Fast muscle fibers can adapt to aerobic metabolism by generating more mitochondria in
response to ________. - ANS repeated, exhaustive stimulation
The delicate connective tissue that surrounds the skeletal muscle fibers and ties adjacent
muscle fibers together is the ________. - ANS endomysium
The ability of smooth muscle to function over a wide range of lengths is called ________. -
ANS plasticity
When a muscle is stimulated repeatedly at a high rate, the amount of tension gradually
increases to a steady maximum tension. This is called ________. - ANS complete tetanus
The type of muscle fiber that is most resistant to fatigue is the ________ fiber. - ANS slow
Interactions between actin and myosin filaments of the sarcomere are responsible for
________. - ANS muscle contraction
The area in the center of the A band that contains no thin filaments is the ________. - ANS H
band
@2026 ALLRIGHTS RESERVED 1
, Receptors for acetylcholine are located on the ________. - ANS motor end plate
Active sites on the actin become available for binding after ________. - ANS calcium binds to
troponin
Skeletal muscle fibers are formed from embryonic cells called ________. - ANS myoblasts
Triceps brachii insert on the olecranon process of the ulna and can act to ________. -
ANS extend the forearm
The most common lever systems in the body are those that have the applied force between the
fulcrum and the load. These are called ________ levers. - ANS third-class
Which of the following describes the action of the serratus anterior? - ANS protracts the
shoulder, rotates the scapula
Muscles that laterally rotate the thigh include all of the following, except the ________. -
ANS tensor fasciae latae
Skeletal muscles in which the fascicles form a common angle with the tendon are ________
muscles. - ANS pennate
Which statement regarding the arm muscles is correct? - ANS Brachioradialis is a flexor while
the anconeus is an extensor.
Which of the following is a member of the hamstring group? - ANS biceps femoris,
semimembranosus, semitendinosus
@2026 ALLRIGHTS RESERVED 2
ANSWERS 100% PASS 2026/2027
Fast muscle fibers can adapt to aerobic metabolism by generating more mitochondria in
response to ________. - ANS repeated, exhaustive stimulation
The delicate connective tissue that surrounds the skeletal muscle fibers and ties adjacent
muscle fibers together is the ________. - ANS endomysium
The ability of smooth muscle to function over a wide range of lengths is called ________. -
ANS plasticity
When a muscle is stimulated repeatedly at a high rate, the amount of tension gradually
increases to a steady maximum tension. This is called ________. - ANS complete tetanus
The type of muscle fiber that is most resistant to fatigue is the ________ fiber. - ANS slow
Interactions between actin and myosin filaments of the sarcomere are responsible for
________. - ANS muscle contraction
The area in the center of the A band that contains no thin filaments is the ________. - ANS H
band
@2026 ALLRIGHTS RESERVED 1
, Receptors for acetylcholine are located on the ________. - ANS motor end plate
Active sites on the actin become available for binding after ________. - ANS calcium binds to
troponin
Skeletal muscle fibers are formed from embryonic cells called ________. - ANS myoblasts
Triceps brachii insert on the olecranon process of the ulna and can act to ________. -
ANS extend the forearm
The most common lever systems in the body are those that have the applied force between the
fulcrum and the load. These are called ________ levers. - ANS third-class
Which of the following describes the action of the serratus anterior? - ANS protracts the
shoulder, rotates the scapula
Muscles that laterally rotate the thigh include all of the following, except the ________. -
ANS tensor fasciae latae
Skeletal muscles in which the fascicles form a common angle with the tendon are ________
muscles. - ANS pennate
Which statement regarding the arm muscles is correct? - ANS Brachioradialis is a flexor while
the anconeus is an extensor.
Which of the following is a member of the hamstring group? - ANS biceps femoris,
semimembranosus, semitendinosus
@2026 ALLRIGHTS RESERVED 2
