1. Anatomy 10 Quiz # 8

2. 1. Identify muscle #1. 1 Brachialis Deltoid Biceps brachii
Brachioradialis
Pectoralis major 1

3. 2. Identify muscle #2 Trapezius Deltoid Latissimus dorsi Supraspinatus
Infraspinatus 2

4. 3. Identify muscle #3. Trapezius Latissimus dorsi Deltoid
Erector spinae
Triceps bracii 3

5. 4. Name the muscle at the arrow.
External oblique
Internal oblique
Latissimus dorsi
Rectus abdominis
Transversus abdominis

6. 5. Identify muscle #5. Platysma Pectoralis major Biceps brachii
Triceps brachii
deltoid 5

7. 6. Identify the muscle at the arrow.
Triceps brachii
Biceps brachii
Trapezius
Deltoid
Latissimus dorsi

8. 7. Identify muscle #7. Buccinator Masseter Orbicularis oris Temporalis
Zygomaticus 7

9. 8. Identify muscle #8. Buccinator Masseter Orbicularis oris
Orbicularis oculi
Zygomaticus 8

10. 9. Name muscle #9. 10. What is the action of muscle #10?
Orbicularis oculi
Orbicularis oris
Occipitalis
Frontalis
Platysma 9 10
10. What is the action of muscle #10?
Flatten the cheeks
Raise the corners of the mouth
Protrude the lips
Open the mouth (elevate mandible)
Close the eye

11. 11. Identify muscle #11. Masseter Buccinator Temporalis Occipitalis
Frontalis 11

12. 12. Name the entire cylinder at the arrow.
Endomysium
Perimysium
Myofibril
Muscle fiber
Fascicle

13. 13. What is TRUE about myosin?
The myosin head can bind to and break down (break down) ATP.
Thick filaments are composed of myosin.
Myosin heads bind to and pull on actin during a contraction.
Myosin proteins can be found in the A band of the sarcomere.
All of the above are true.