New Jersey State Board Esthetics Practice Exam

What type of muscles are described as striated?

1. Involuntary with no stripe pattern

2. Voluntary with stripe pattern

3. Involuntary with stripe pattern

4. Voluntary with no stripe pattern

The correct answer is: Voluntary with stripe pattern

Striated muscles are characterized by their distinctive stripe pattern, which is visible under a microscope. These muscles are also known as skeletal muscles and are classified as voluntary because they are under conscious control, allowing for precise movements. The striations are formed by the organized arrangement of actin and myosin filaments within the muscle fibers, contributing to their ability to contract forcefully and efficiently. In contrast, involuntary muscles, such as smooth muscles, do not have this striated appearance and are not under conscious control. Their structure is more uniform and less organized, which allows them to function automatically in various bodily processes without direct intent. Understanding the characteristics and functions of striated muscles is essential for recognizing how they contribute to movement and overall body mechanics in esthetics and beyond.