Muscle System Practice Test

This type of muscle tissue is attached to bones wand helps control voluntary movement

• Skeletal

• Cardiac

• Smooth

This type of muscle tissue is found in the walls of hollow organs such as the stomach 

• Skeletal

• Cardiac

• Smooth

Myofibrils are made up of two types of proteins known as?

• Actin and Myosin

• Troponin and Tropomyosin

• Myoglobin and hemoglobin

• none of these

What is the name of the thick myofilaments?

• Actin

• Myosin

• Myoglobin

• Titan

What is the name of the thin myofilaments in the muscle cell?

• Actin

• Myosin

• Myoglobin

• Titan

The contractile unit of a muscle is called the __________.

• Sarcolemma

• Sarcoplasmic reticulum

• Sarcoplasm

• Sarcomere

The actin is represented by the letter

• A

• B

• C

• D

Actin is represented by

• A

• B

• C

• D

What are the three types of muscles?

• Cardiac, Elastic, Smooth

• Smooth, Curly, Skeletal

• Smooth, Cardiac, Skeletal

• None of the above

The mechanism of muscle contraction.

• sarcoplasmic reticulum

• fasciitis

• sliding filament mechanism

• muscle cramps