Anatomy & Physiology                                        

Quiz 4, Dec. 9th, 2005

 

8 AM Section

1)_ E ___ Which muscle elevates of the mandible? A) digastric.  B) masseter.

C) temporalis. D) A & B.  E) B & C.
2) _ D ___ Which of the following is the major adductor of the humerus?  A) deltoid.

            B) trapezius. C) biceps brachii. D) latissimus dorsi.  E) rhomboideus.

3) __ E____ The soleus muscle: A) is synergistic to the gastrocnemius. B) inserts on the calcaneus. 
C) originates on the femur.  D) all of the above. E) A & B.

4)_ B ___ The frontalis and occipitalis are parts of which muscle? A) cranialis.

            B) epicranius.  C) aponeurosis major.  D) episcalpius.  E) levator scalpulae.

5) __ C ___ The muscle most associated with smiling is the: A) platsyma. B) buccinator.

            C) zygomaticus. D) grinilis. E) levator labii superioris.

6) _B __ Standing on your toes is an example of a(n): A) first class lever system.
B) second class lever system. C) third class lever system.  D) no class lever system.
E) lever to Beaver system.lass lever system


7) ___C __ The pectoralis major and minor:  A) have the same origin. B) have the same insertion.
C) insert on different bones. D) are both abductors.  E) require 40 and 20 units, respectively.

8) __ A ___ Flexors of the wrist originate primarily on the: A) medial epicondyle of the
humerus. B) lateral epicondyle of the humerus. C) medial epicondyle of the ulna.
 D) styloid process of the ulna. E) styloid process of the radius.

9) ___C ___ The prime mover of dorsiflexion is the:  A) gastrocnemius.  B) soleus.
C) tibialis anterior.  D) flexor digitorum longus.  E) A & B.

10) __ B __ The musculocutaneous nerve innervates:  A) extensors of the forearm. 
B) flexors of the forearm.  C) extensors of the arm. D) flexors of the leg.

11) __ E ___ The ____ is a synergist to the latissimus dorsi.  A) biceps brachii.

            B) trapezius.  C) rhomboideus.  D) brachialis.  E) teres major.

12) ___D __ Its origin is the coracoid process and its insertion is the medial margin of shaft of humerus. 
This muscle must be the:  A) biceps brachii.  B) brachialis. C) teres major. 
D) coracobrachialis.  E) triceps brachii.

13) ___C____The calcium binding protein of smooth muscle is:  A) tropomyosin. 

B) troponin. C) calmodulin  D) calbindin  E) desmin.

14) ___C ___ Myasthenia gravis is due to: A) the production of dystrophin in muscle cells.

B) the absence of dystrophin in muscle cells.  C) an immune attack on Ach receptors
(on muscle endplates).  D) a blockage of Ach release.   E) botulinum toxin overdose

15) ___ B ____ Intermediate fibers are best described as:  A) slow fibers that are fatigue resistant. 
B) fast fibers that are fatigue resistant.  C) slow fibers that fatigue easily. 
D) fast fibers that fatigue easily.  E) fibers that canŐt make up their mind.

 

 

 

Sketch the following muscles on the diagram below: pectoralis minor, teres major, brachialis, vastus medialis, sartorius,

 

1:30 Section : Multiple Choice Section the same. Muscles different.

 

Sketch the following muscles on the diagram below:  gastrocnemius, teres major, latissiumus dorsi, levator scapulae, gracilis.