Exam Questions | Muscles Of The Chest, Shoulder, And – Ch.23 - Laboratory Manual Anatomy & Physiology Cat 4e Test Bank by Terry Martin. DOCX document preview.
Lab Manual for Human Anatomy and Physiology, 4e (Martin)
Chapter 23 Muscles of the Chest, Shoulder, and Upper Limb
1) Muscles in the forearm that move the hand have insertions on the
A) scapula.
B) humerus.
C) phalanges only.
D) carpals, metacarpals, or phalanges.
E) radius or ulna.
2) The human hand has a unique ability for grasping objects, writing, and drawing, due to opposition of the thumb.
3) The correct anatomical description of the arm is the region from the
A) shoulder to the elbow.
B) elbow to the wrist.
C) elbow to the fingers.
D) shoulder to the fingers.
E) shoulder to the wrist.
4) Which of the following is NOT a muscle of respiration?
A) External intercostals
B) Diaphragm
C) Pectoralis major
D) Internal intercostals
E) All of these are major muscles of respiration.
5) Which respiratory muscle(s) function(s) only during forced expiration?
A) Diaphragm
B) External intercostals
C) Pectoralis major
D) Pectoralis minor
E) Internal intercostals
6) Which of the following muscles that move(s) the pectoral girdle retract(s) and elevate(s) the scapula?
A) Levator scapulae
B) Trapezius
C) Serratus anterior
D) Rhomboid major and minor
E) Pectoralis minor
7) The majority of muscles that move the arm have origins on the
A) humerus.
B) scapula.
C) sternum.
D) ribs.
E) clavicle.
8) Many of the flexors of the wrist and fingers originate on the
A) lateral epicondyle of the humerus.
B) head of the ulna.
C) medial epicondyle of the humerus.
D) distal end of the radius.
E) greater tubercle of the humerus.
9) Most of the muscles that move the forearm and hand are innervated by the ________ nerve(s).
A) ulnar
B) musculocutaneous
C) axillary
D) suprascapular
E) median and radial
10) The rotator cuff muscles all have insertions on the greater and lesser tubercles of the humerus.
11) Which of the following muscles is NOT a flexor of the elbow?
A) Biceps brachii
B) Brachioradialis
C) Brachialis
D) Triceps brachii
E) All of these are flexors of the elbow.
12) In general, the extensors of the wrist and fingers are located on the anterior side of the forearm.
13) Which of the following is NOT true of the diaphragm?
A) It is considered to be the prime mover for inspiration.
B) When it contracts, it compresses the thorax and decreases its volume.
C) Its action is to flatten during inspiration.
D) It is innervated by the phrenic nerves.
E) All of these are true of the diaphragm.
14) The flexor carpi radialis and flexor carpi ulnaris both flex the wrist and abduct the hand.
15) Due to its name and position in the forearm (posterior medial side of the forearm), the actions of the extensor carpi ulnaris are most likely to
A) flex the wrist and abduct the thumb.
B) flex the wrist and adduct the hand.
C) flex the wrist and abduct the hand.
D) extend the wrist and abduct the hand.
E) extend the wrist and adduct the hand.
16) Which of the following is NOT true of the biceps brachii muscle?
A) It is innervated by the musculocutaneous nerve.
B) It flexes the elbow, and also supinates the forearm and hand
C) The name of the muscle implies that it has 2 origins.
D) It inserts on the olecranon process of the ulna.
E) All of these are true of the biceps brachii muscle.
17) All muscles cross only one joint.
18) Which of the following muscles is located on the anterior side of the scapula?
A) Supraspinatus
B) Teres major
C) Subscapularis
D) Teres minor
E) Infraspinatus
19) Which of the following muscles has its origin on the lateral epicondyle of the humerus and its insertion on the proximal phalanx of the 5th finger?
A) Abductor pollicis longus
B) Palmaris longus
C) Flexor digitorum superficialis
D) Flexor carpi radialis
E) Extensor digiti minimi
20) A muscle that runs down the arm, and inserts on the olecranon process of the ulna, would cause
A) extension of the elbow.
B) abduction of the arm.
C) extension of the fingers.
D) flexion of the elbow.
E) flexion of the fingers.
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Laboratory Manual Anatomy & Physiology Cat 4e Test Bank
By Terry Martin
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