UTA BIOL 2457 Exam 3 2025/2026 Exam
Questions and Answers | A+ Score
Assured
Fast muscle fibers can adapt to aerobic metabolism by generating more
mitochondria in response to ________. - 🧠ANSWER ✔✔repeated, exhaustive
stimulation
The delicate connective tissue that surrounds the skeletal muscle fibers and ties
adjacent muscle fibers together is the ________. - 🧠ANSWER ✔✔endomysium
The ability of smooth muscle to function over a wide range of lengths is called
________. - 🧠ANSWER ✔✔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 ________. -
🧠ANSWER ✔✔complete tetanus
, The type of muscle fiber that is most resistant to fatigue is the ________ fiber. -
🧠ANSWER ✔✔slow
Interactions between actin and myosin filaments of the sarcomere are responsible
for ________. - 🧠ANSWER ✔✔muscle contraction
The area in the center of the A band that contains no thin filaments is the
________. - 🧠ANSWER ✔✔H band
Receptors for acetylcholine are located on the ________. - 🧠ANSWER ✔✔motor
end plate
Active sites on the actin become available for binding after ________. -
🧠ANSWER ✔✔calcium binds to troponin
Skeletal muscle fibers are formed from embryonic cells called ________. -
🧠ANSWER ✔✔myoblasts
Triceps brachii insert on the olecranon process of the ulna and can act to
________. - 🧠ANSWER ✔✔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. - 🧠ANSWER
✔✔third-class
Questions and Answers | A+ Score
Assured
Fast muscle fibers can adapt to aerobic metabolism by generating more
mitochondria in response to ________. - 🧠ANSWER ✔✔repeated, exhaustive
stimulation
The delicate connective tissue that surrounds the skeletal muscle fibers and ties
adjacent muscle fibers together is the ________. - 🧠ANSWER ✔✔endomysium
The ability of smooth muscle to function over a wide range of lengths is called
________. - 🧠ANSWER ✔✔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 ________. -
🧠ANSWER ✔✔complete tetanus
, The type of muscle fiber that is most resistant to fatigue is the ________ fiber. -
🧠ANSWER ✔✔slow
Interactions between actin and myosin filaments of the sarcomere are responsible
for ________. - 🧠ANSWER ✔✔muscle contraction
The area in the center of the A band that contains no thin filaments is the
________. - 🧠ANSWER ✔✔H band
Receptors for acetylcholine are located on the ________. - 🧠ANSWER ✔✔motor
end plate
Active sites on the actin become available for binding after ________. -
🧠ANSWER ✔✔calcium binds to troponin
Skeletal muscle fibers are formed from embryonic cells called ________. -
🧠ANSWER ✔✔myoblasts
Triceps brachii insert on the olecranon process of the ulna and can act to
________. - 🧠ANSWER ✔✔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. - 🧠ANSWER
✔✔third-class
