Muscle - Quiz - Biology Articles, Tutorials & Dictionary Online

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.

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