Articles > Muscle – Quiz Muscle – Quiz Quiz Select the best answer. 1. The type of skeletal muscle fiber with high ATPase activity and fatigues rapidly Fast fibers Slow fibers Oxidative fibers Fast fibers and slow fibers 2. How does low-intensity exercise affect skeletal muscles? It increases the diameter of glycolytic fibers. It increases the number of capillaries and the mitochondria in muscle cells. It decreases the number of glycolytic fibers. It decreases the number of capillaries and the mitochondria in muscle cells. 3. Characterized by the lack the banded structure Skeletal muscle Smooth muscle Cardiac muscle Smooth muscle and cardiac muscle 4. Which of these muscles is under voluntary control? Skeletal muscle Smooth muscle Cardiac muscle All of the above 5. Which of the following is NOT true about the sarcomere? The thick filaments in the middle are called A bands A bands are flanked on both sides by thin filaments. The central region where there is no overlap between thin and thick filaments is called H zone Sarcomere is the fundamental unit of contraction in all types of muscles. Send Your Results (Optional) Your Name To Email Time is Up!