Muscular Quiz

During a muscle contraction, which protein pulls on the actin filament causing the muscle to shorten?

• Myosin

• Troponin

• Tropomyosin

• Troplysium

1. What is the difference between a smooth muscle and a cardiac muscle?

• 1. Fatigue resistance

• 1. In-voluntary 

• 1. Striated

• 1. Organs

1. What joint does the deltoid rest on?

• Hinge

• Pivot

• Ball and socket

• Saddle

1. The rectus femoris is _______ to the vastus medialis.

• Superficial

• Deep

• Lateral

• Medial

1. What is the connective tissue that surrounds each muscle fiber?

• 1. Epimysium 

• 1. Perimysium 

• 1. Endomysium 

• 1. Diamysium

1. What structure makes up the thick filament?

• 1. Actin

• 1. Myosin 

• 1. Sarcomere

• 1. Sarcolemma

Where is the troponin and tropomyosin located?

• Actin

• Myosin

• Muscle fiber

• Myofibril

1. What is the main function of the muscular system?

• Respiration

• Digestion

• Movement

• Nervous

What is the antagonist pair of flexion at the elbow joint?

• Biceps brachii, Brachialis

• Biceps brachii, Brachioradialis

• Biceps brachii, flexor carpi radialis

• Biceps brachii, triceps brachii

How many types of muscle are there in the human body

• 2

• 3

• 600+

• 206