EOR TEST 2019

Question 1

Regarding the pectoral region:

a.The clavicle ossifies through endochondral ossification
b.The scapula forms physiological“joint”with the thoracic wall called
the scapulothoracic joint
c. The pectoralis major muscle is innervated by both lateral pectoral and
medial pectoral nerves
d.The humerus forms part of the shoulder/pectoral girdle
e.Injury to the long thoracic nerve results in a winged scapula

Answer 1

B,C,D,E

Question 2

The following structures pierce the costocoracoid membrane
a. Thoracoacromialartery
b. Medialpectoralnerve
c. Lateral pectoral nerve
d. Cephalicvein
e. Axillaryartery

Answer 2

B,C,D

Question 3

A fracture of the humerus at the
a.Anatomical neck may result in damage to the musculocutaneous nerve
b.Radial groove may result in the condition referred to as‘ wrist drop’
c. Surgical neck may result in damage to the axillary nerve
d.Medial epicondyle may result in damage to the ulnar nerve
e. Proximal end may injure the upper subscapular nerve

Answer 3

B,C,D

Question 4

The following muscles constitute the rotator cuff of the shoulde rjoint
a. Latissimus dorsi
b. Teresminor
c. Subscapularis
d. Serratusanterior
e. Deltoid

Answer 4

B,C

Question 5

The following arteries participate directly in the scapular anastomoses
a. Dorsal scapulae artery
b. Axillary artery
c. Profunda brachii artery
d. Circumflex
scapularartery
e. Suprascapularartery

Answer 5

A,D,E

Question 6

Regarding the female breast
a. The breast is a modified sweat gland found in the superficial fascia
b.The 15 to 20 lactiferous ducts unite and open as a single channel at
the summit of the nipple
c. Innervation is by the anterior and lateral branches of 4-6th intercostal nerves
d. The pectoral group of lymph nodes drains both the lower/inferior and
the lateral quadrants of the breast
e. The breast receives arterial supply from the lateral thoracic artery

Answer 6

A,E

Question 7

Regarding the brachial plexus
a.It is formed by the anterior rami of C5-C8 and T1spinal nerves
b. The cords of the brachial plexus are related to the second part of the
axillary artery
c. The axillary nerve exits the axilla together with the posterior circumflex
artery through the quadrangular space
d. Injury of the lower trunk results in Erb-Duchenne palsy
e. The anterior divisions of upper and lower trunks form the lateral cord

Answer 7

A,B,C

Question 8

The following are branches of the brachial artery in the arm
a.Anterior circumflex humeral artery
b. Profunda brachii artery
c. Inferior ulnar collateral artery
d. Radial recurrent artery
e. Humeral nutrient artery

Answer 8

B,C,D

Question 9

Regarding the cubital fossa
a. The brachio radialis muscle forms the lateral boundary
b. The musculocutaneous nerve is one of the contents c. The median nerve lies medial to the brachial artery
d. The bicipital aponeurosis forms part of the floor
e. The radial nerve is the most lateral content in the cubital fossa

Answer 9

A,C,E

Question 10

The following muscles in the forearm are innervated by the posterior interosseous nerve

a. Supinator muscle
b. Abductor pollicis brevis muscle
c. Medial half of the flexor digitorum profundus muscle
d. Extensor indicis muscle
e. Extensor carpi ulnaris muscle

Answer 10

D,E

Question 11

Regarding the wrist joint
a. The flexor carpi ulnaris muscles adducts the joint
b. The distal end of the radius articulates with the triquetrum and pisiform bones
c. The brachioradialis muscle extends the joint
d. The extensor carpi radialis longus muscle abducts the joint
e. The head of the ulna articulates with the proximal row of the carpal bones

Answer 11

A,D

Question 12

The following structures pass under the flexor reticulum in the carpal tunnel
a. Ulnar nerve
b. Palmar branch of the median nerve
c. Median nerve
d. Anteriorinterosseousnerve
e. Tendon of flexor pollicis longus muscle

Answer 12

A,C,E

Question 13

Regarding the hand
a. The thenar and mid palmar spaces communicate with the anterior forearm compartment
b. Adduction of the thumb is carried out by the first (1st) dorsal interosseous muscle
c. The adductor pollicis muscle is innervated by the median nerve
d. The palmar interossei muscles adduct the 2nd, 4th, and 5th digits
towards the central axis (3rd) digit
e. All the lumbrical muscles are innervated by the median nerve

Answer 13

A,D

Question 14

Regarding the cutaneous innervation of the upper limb
a. The palmar surface of the lateral 3 1⁄2 fingers is innervated by the radial nerve
b. The superficial branch of the radial nerve innervates the skin on the dorsal side of the distal phalanx of the index finger
c. The medial aspect of the arm is innervated by the medial brachial cutaneous nerve
d. The skin over the deltoid muscle is innervated by the branch of the axillary nerve
e. The musculocutaneous nerve supply the skin on the medial aspect of the forearm

Answer 14

A,B,D

Question 15

Regarding the joints of the upper limb
a. The shoulder joint is a ball and socket synovial joint
b. The elbow joint is considered a weak joint with a wide range of
movement
c. Stability of the shoulder joint is weakest inferiorly
d. The interphalangeal joints permit adduction movements
e. Supination movement between the proximal and distal radioulnar joints is enhanced by the biceps brachii muscle

Answer 15

A,C,D

Question 16

With regard to epithelium
a. Ependymal cells in the choroid plexus are classified as simple cuboidal cells
b. Columnar cells in the tracheal epithelium have microvilli
c. The epidermis of skin is classified as “stratified squamous non-keratinized epithelium”
d. Epithelioid tissue has no free surface
e. It receives blood supply from the underlying connective tissue

Answer 16

A,E

Question 17

With regard to the location of epithelia:
a. Simple squamous epithelium lines the inner layer of blood vessels
b. Pseudostratified ciliated columnar epithelium with goblet cells is found in the jejunum
c. The ducts of eccrine sweat glands are lined by a stratified cuboidal epithelium
d. The uppermost (top) layer of the oesophageal epithelium is a nucleated
e. Umbrella cells are typically found in the relaxed state of the urinary bladder

Answer 17

A,B

Question 18

With the regard to the function of epithelia:
a. Myoepithelial cells have a contractile function
b. Stratified squamous keratinised epithelium has a secretory function
c. The epithelium in the trachea has a sensory function
d. Simple columnar epithelium in the colon has an absorptive function
e. Olfactory epithelium in the nasal cavity has a sensory/receptor function

Answer 18

D,E

Question 19

With regard to glands:
a. Endocrine glands release their secretion into the lumen of a blood vessel
b. They originate from mesenchyme
c. Compound glands have branched ducts
d. Simple glands in the colon have an alveolar secretory end-piece
e. Serous secretory end pieces stain pale with H & E

Answer 19

A,C

Question 20

With regard to the nature of glandular secretion:
a. Sebaceous glands secrete mucus
b. Serous secretory end-pieces have zymogen granules at the apical part of the cell
c. The nucleus in the cells of mucous secretory end-pieces is round
d. Eccrine sweat glands secrete watery secretions containing urea and salts
e. Apocrine sweat glands secrete pheromones

Answer 20

B,D,E

Question 21

Dense regular connective tissue:
a. Contains a higher proportion of ground substance than loose connective tissue
b. Allows for multidirectional transmission of force
c. Has fibroblasts as the dominant cell type
d. Forms tendons
e. Underlies epithelium

Answer 21

C,D

Question 22

With regard to connective tissue:
a. Collagen fibres have high tensile strength
b. Elastic fibres provide a framework for organs
c. Elastic fibres are interwoven with collagen fibres to limit stretch d. It is avascular
e. The extracellular matrix regulates metabolic function

Answer 22

A,B,D,E

Question 23

With regard to intra-embryonic mesoderm:
a. It is formed during the third week of development
b. It is derived from the hypoblast layer
c. It is formed during gastrulation
d. Once formed it will differentiate into the neural tube
e. Its adult derivatives include the dermis of skin

Answer 23

D

Question 24

During the second week of embryonic development:
a. A bilaminar embryonic disc is formed
b. The extra-embryonic mesoderm is formed
c. Primitive streak formation occurs
d. Notochord formation occurs
e. The amniotic cavity is formed

Answer 24

A

Question 25

The main results of fertilization are:
a. Initiation of cleavage
b. Formation of the neural tube
c. Determination of a sex of an individual
d. Restoration of the diploid number of chromosomes
e. Formation of a blastocyst cavity

Answer 25

A,D