Muscular System Quiz

What is the primary function of the muscular system?

• Maintain body temperature

• Guard entrances and exits

• Produce skeletal movement

• Support soft tissues

Which muscle is the prime mover for chewing?

• Trapezius

• Temporalis

• Masseter

• Sternocleidomastoid

Which muscle is responsible for extending the arm at the shoulder?

• Deltoid

• Pectoralis major

• Latissimus dorsi

• Subscapularis

What is the largest hip flexor muscle?

• Iliopsoas

• Pectineus

• Gluteus maximus

• Adductor magnus

Which muscle is the primary extensor of the knee?

• Vastus lateralis

• Rectus femoris

• Vastus medialis

• Vastus intermedius

What is the main function of the fibularis muscles?

• Extend the toes

• Cause inversion of the foot

• Flex the knee

• Produce eversion and plantar flexion

Which muscle is responsible for flexing the elbow and supinating the forearm?

• Biceps brachii

• Brachialis

• Triceps brachii

• Brachioradialis

What is the function of the popliteus muscle?

• Extend the knee

• Rotate the radius

• Unlock the knee joint

• Flex the hip

Which muscle is the largest and most posterior of the gluteal group?

• Tensor fasciae latae

• Gluteus minimus

• Gluteus medius

• Gluteus maximus

What is the primary function of the triceps brachii muscle?

• Rotate the shoulder

• Extend the elbow

• Flex the elbow

• Abduct the arm