Lesson 2 Quiz Answers

Question 1

1.

Which head of the triceps originates from the scapula?

a. lateral head
b. medial head
c. long head
d. triceps does not originate from the scapula

Answer 1

c. long head

Question 2

2.

What is the insertion of the biceps brachii?

a. radial tuberosity
b. ulnar tuberosity
c. supraglenoid tubercle
d. coracoid process

Answer 2

a. radial tuberosity

Question 3

3.

What is the action of the coracobrachialis?

a. elbow flexion
b. elbow extension
c. shoulder extension
d. shoulder flexion

Answer 3

d. shoulder flexion

Question 4

4.

Which is not an action of the pectoralis major?

a. lateral rotation of the shoulder
b. flexion of the shoulder
c. adduction of the shoulder
d. medial rotation of the shoulder

Answer 4

a. lateral rotation of the shoulder

Question 5

5.

Which is not an origin of the deltoid?

a. spine of scapula
b. acromion process
c. distal clavicle
d. deltoid tuberosity

Answer 5

d. deltoid tuberosity

Question 6

6.

What is the insertion of the subscapularis?

a. subscapular fossa
b. lesser tubercle of the humerus
c. greater tubercle of the humerus
d. coracoid process

Answer 6

b. lesser tubercle of the humerus

subscapular fossa = origin

Question 7

7.

What is the insertion of the teres minor?

a. subscapular fossa
b. lesser tubercle of the humerus
c. greater tubercle of the humerus
d. coracoid process

Answer 7

c. greater tubercle of the humerus

Question 8

8.

What is the origin of the infraspinatus?

a. supraspinous fossa
b. infraspinous fossa
c. greater tubercle of the humerus
d. lesser tubercle of the humerus

Answer 8

b. infraspinous process

Question 9

9.

What is the action of the supraspinatus?

a. laterally rotate the shoulder
b. medially rotate the shoulder
c. adduct the shoulder
d. abduct the shoulder

Answer 9

d. abduct the shoulder

Question 10

10.

What is the origin of the teres major?

a. superior angle of the scapula
b. vertebral border of the scapula
c. costal border of the scapula
d. posterior margin of the inferior angle of the scapula

Answer 10

d. posterior margin of the inferior angle of the scapula

Question 11

11.

Which is not an action of the latissimus dorsi?

a. shoulder extension
b. shoulder elevation
c. shoulder adduction
d. shoulder medial rotation

Answer 11

b. shoulder elevation

Question 12

12.

Which is a false statement about the triceps brachii?

a. the insertion is on the olecranon process
b. elbow and shoulder extension are the primary actions
c. the short head originates from the humerus
d. the lateral edge of the scapula is considered part of the muscle origin

Answer 12

d. the lateral edge of the scapula is considered part of the muscle origin

long head origin: infraglenoid tubercle of scapula, NOT lateral border

Question 13

13.

Which is a true statement of the biceps brachii?

a. the long head originates from the coracoid process
b. elbow flexion is the primary action
c. the short head originates from the humerus
d. the insertion site is the shaft of the humerus

Answer 13

b. elbow flexion is the primary action

a. long head originates from supraglenoid tubercle
c. short head originates from coracoid process
d. insertion site is radial tuberosity

Question 14

14.

Which muscle does not attach to the coracoid process?

a. pectoralis major
b. pectoralis minor
c. biceps brachii
d. coracobrachialis

Answer 14

a. pectoralis major

Question 15

15.

Which is not an origin of the pectoralis major?

a. scapula
b. clavicle
c. sternum
b. ribs

Answer 15

a. scapula

Question 16

16.

What of the following is an action of the deltoid?

a. adduction of the shoulder
b. elevation of the shoulder
c. depressino of the shoulder
d. abduction of the shoulder

Answer 16

d. abduction of the shoulder

Question 17

17.

Which muscle is not considered to be part of the rotator cuff?

a. supraspinatus
b. infraspinatus
c. teres minor
d. teres major

SITS

Answer 17

d. teres major

Supraspinatus
Infraspinatus
Teres minor
Subscapularis

Question 18

18.

Which of the following are actions of the teres major?

a. extension and adduction of the shoulder
b. extension and abduction of the shoulder
c. flexion and adduction of the shoulder
d. flexion and abduction of the shoulder

Answer 18

a. extension and adduction of the shoulder

Question 19

19.

What is the insertion of the latissimus dorsi?

a. spinous processes T7-L5, sacrum, coccyx
b. posterior-medial iliac crest, posterior costal margin
c. medial aspect of proximal humerus
d. lateral aspect of the distal humerus

Answer 19

c. medial aspect of the proximal humerus

Question 20

20.

Which muscles are synergists of shoulder movement?

a. infraspinatus & teres minor
b. latissimus dorsi & teres major
c. biceps brachii & coracobrachialis
d. all of the above

Answer 20

d. all of the above