SKELETAL MUSCULE GROSS ANATOMY QUIZ 1. Which of the following is NOT a muscle of

Question

SKELETAL MUSCULE GROSS ANATOMY QUIZ 1. Which of the following is NOT a muscle of facial expression? a. sternocleidomastoid b. zygomaticus c. buccinator d. levator labii superioris 2. Which of the following is a muscle for chewing (mastication)? a. sternohyoid b. orbicularis oris c. scalenes d. temporalis 3. Which of the following muscles abducts the arm at the shoulder? a. levator scapulae b. deltoid c. pectoralis minor d. serratus anterior 4. Which of the following muscles is a large upper back muscle? a. latissimus dorsi b. infraspinatus c. pectoralis major d. trapezius 5. Which of the following is NOT a muscle of respiration? a. internal intercostals b. erector spinae Which muscle does NOT flex the forearm at the elbow? a. triceps brachii c diaphragm d. external intercostals 6. c. biceps brachii d. brachioradialis b. brachialis 7. Which muscle extends the fingers? a. extensor carpi radialis b. extensor digitorum longus c. extensor digitorum d. supinator 8. Which muscle is NOT part of the quadriceps group? a. rectus femoris b. vastus medialis c. vastus lateralis d. semimembranosus 9. Which muscle does NOT plantar flex the foot? a. tibialis posterior b. tibialis anterior c. soleus d. gastrocnemius 10. Which of the following is NOT a characteristic used to name muscles? a. location b. size c. origin and insertion d. number of fibers

Explanation / Answer

1. not a muscle of facial expression- sternocleidomastoid

2. muscle for mastication- temporalis

3. muscles that abducts arm at shoulder- deltoid, serratus anterior (levator scapulae- scapular elevation)

4. larger upper back muscle- trapezius

5. not a muscle of respiration- erector spinae (however, it also contributes for respiration)

6. muscle that does not flex the forearm at elbow- biceps brachii

7. muscle that extends fingers- extensor digitorum

8. muscle not part of quadriceps group- semimembranous

9. muscle that does not plantar flex the foot- tibialis anterior

10. not a characteristic used to name muscles- number of fibers

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