EOR TEST 2016 Flashcards

1
Q

Which of the following statements are true or faise about bones of the wrist and hand joints?


a. The trapezium forms part of the first carpometacarpal joint.
b. In metacarpophalangeal joints, the base of metacarpal bones articulate. with the heads of the proximal phalanges.
c. The scaphoid articulates with the radius.
d. The lunate articulates with the ulna.
e. The triquetrum articulates with the 2nd metacarpal.

A

A,C

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2
Q

Which of the following are true or false about the elbow joint?

a. It is a hinge synovial joint.
b. The biceps brachi acts to extend this joint.
c. The head of the radius articulates with the capitulum.
d. The joint capsule is strengthened by collateral ligaments.
e. The ulna collateral ligament is continuous with the annular ligament.

A

A,C,D

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3
Q

Axillary artery and Its branches:
a. The axillary artery begins at the medial margin of the first rib.
b. The cords of the brachial plexus are related to the 2nd part of the axillary artery.

c. The lateral thoracic artery supplies the breast.
d. The posterior circumflex humeral artery passes through the triangular space.
e. The thoracodorsal artery is a direct branch from the first part of the axillary artery.

A

B,C

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4
Q

The median nerve:

а.
 Arises from the posterior cord of the brachial plexus.

b. Innervates the flexor digitorum superficialis.

c. Can be damaged by fracture of the medial epicondyle of the humerus.

d. The recurrent branch innervates the thenar muscles.
e. Innervates the two lateral lumbricals.

A

B,D,E

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5
Q

The glenohumeral (shoulder) joint:

a. Is a ball and socket type of synovial joint.
b. Is abducted by the teres major and teres minor muscles.

c. Is laterally rotated by the subscapularis muscle.

d. Is supported on the lateral side by the tendons of the rotator cuff muscles.

e. The axillary nerve may be injured when the glenohumeral joint dislocates.

A

A,D,E

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6
Q

In the arm:

a. The profunda brachll artery Is closely related to the surgical neck of humerus.

b. Biceps brachli supinates and flexes the arm.

c.
 The brachial artery may be palpated just medial to the biceps brachii muscle.

d. The musculocutaneous nerve continues as the lateral cutaneous nerve of forearm.
e. Brachial veins are joined to form the cephalic vein.

A

B,D

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7
Q

Nerve supply to the hand:

a. Median nerve innervates most of the skin of the palm of the hand.

b. 
Median nerve supplies adductor pollicis muscle.

c. Radial nerve does not supply any intrinsic hand muscle.

d. Ulnar nerve supplies all the lumbrical muscles.

e. Ulnar nerve supplies the hypothenar muscles.

A

A,C,E

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8
Q

The brachial plexus:
a. Originates from the ventral rami of C5, C6, C7, C8 and T1.
b. The trunks emerge between scalenus anterior and scalenus medius muscles.
c. Anterior divisions of upper and lower trunks form the lateral cord.
d. Ulnar nerve is formed by the medial cord.
e. Injury of the lower trunk, results in Erb-Duchenne palsy.

A

A,D

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9
Q

The actions of the muscles of the forearm:
a. Pronator teres pronates the proximal radioulnar joint.
b. 
Flexor carpi radialis abducts the wrist.
c. Flexor digitorum superficialis flexes the distal phalanges.
d. Extensor indicis extends the middle finger.

e. Extensor carpi radialls longus extend the thumb.

A

A,B

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10
Q

With regards to the cubital fossa, the:
a. Bicipital aponeurosis reinforces the roof.
b.
 Contents include the ulnar nerve.

c. Radial artery pulsations can be palpated.

d. Lateral border is formed by the brachioradialis muscle.

e. Median cubital vein lies superficial to the bicipital aponeurosis.

A

A,D,E

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11
Q

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.

A

B,C,D

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12
Q

The female breast:
а. It is a modified sebaceous gland
b. Perforating branches of the internal thoracic artery supply arterial blood.
c. It lies over the pectoralls major, serratus anterior and external oblique muscles.
d. The lymphatic drainage involves the lateral group of axillary lymph nodes.
e. The areola contains sebaceous glands.

A

B,C,E

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13
Q

Concerning the hand, the:
a. Palmar aponeurosis assists in anchoring the skin of the palin.
b. Palmar interossei muscles are adductors of the fingers.
c. Flexor synovial sheaths of the little fingers is continuous with the midpalmar synovial sheath.
d. Superficial palmar arch is formed mainly by the radial artery.
d. Infections of the superficial pulp spaces of fingers are usually painful due to lack of space for expansion.

A

A,B,E

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14
Q

The extensive arterial anastomosis around the scapula involves the:

a. Suprascapular artery.

b. Circumflex scapular artery.

c. Superior thoracic artery.

d. Deep branch of the transverse cervical artery.

e. Subscapular artery.

A

A,B,D,E

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15
Q

Regarding the muscles of the pectoral girdle:
a. Pectoralis major inserts into the lateral lip of the intertubercular groove.

b. Pectoralis minor is innervated by the medial pectoral nerves.
c. Subclavius is attached to the superior surface of the medial third of clavicle.

d. Paralysis of serratus anterior leads to winging’ of the scapula.
e. Deltoid muscle initiates abduction.

A

A,B,D

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16
Q

With regard to epithellum:

a. It has very little ground substance.
b. Pseudostratified epithelium in trachea is ciliated.
c. It has rich vascular supply.
d. Blood vessels are lined by endothelium.
e.The main function of transitional epithelium is absorption.

A

A,B,D

16
Q

With regard to epithellum:

a. It has very little ground substance.
b. Pseudostratified epithelium in trachea is ciliated.
c. It has rich vascular supply.
d. Blood vessels are lined by endothelium.
e.The main function of transitional epithelium is absorption.

A

A,B,D

17
Q

With regard to specializations of the lateral domain of epithellum:

a. Occluding or tight junctions serve primarily as intercellular diffusion barriers.
b. Zonula adheres interacts with the intermediate filaments.
c. Macula adheres or desmosomes provide mechanical stability.
d. Gap junctions allow communication between cells.
e. Anchoring junctions function in fluid transport.

A

A,C,D

18
Q

With regard to glands:

a. Eccrine sweat glands have a branched duct.
b. Endocrine glands secrete their products into the blood vessels.
c. Colon has glands with branched alveolar secretory end pieces.
d. The submandibular gland is a compound tubuloalveolar gland.
e. Goblet cells have a holocrine mode of secretlon.

A

B,D

19
Q

With regard to serous secretory end-pieces:

a. The cytoplasm is pale staining.
b. The secretory cells are pyramidal in shape.
c. The nuclei are “flat and basally placed”.
d. The nature of secretion is proteinaceous.
e. Myoepithelial cells assist with secretion.

A

B,D,E

20
Q

Loose areolar connective tissue:

a. Has little ground substance.
b. Is highly cellular.
c. Contains collagen fibres which stain ‘eosinophilically with H and E.
d. Has branched elastic fibres.
e. Is predominantly found in the submucosa of the hollow organs

A

B,C,D

21
Q

Elastic fibres:

a. Allow tissues to respond to stretch and distention”.
b. Are produced by epithelial cells.
c. Stain basophilically with H and E d. Are prominent in wound healing.
e. Are main components of dense connective tissue.

A

A,D

22
Q

Mast cells:

a. Are precursors of neutrophils.
b. Contain intensely stained granules.
c. Differentiate in connective tissue.
d. Produce hormones.
e. Play a key role in allergic reactions.

A

B,E

23
Q

By the end of the third week post-fertilization, a normal human embryo will have:

a. Mesenchymal cells.
b. Implanted into the uterine tube.
c. A primitive streak.
d. A perforated cloacal membrane.
e. “Ectoderm, mesoderm and endoderm”.

A

A,D,E

24
Q

The trophoblast gives rise to the following:
a. Inner cell mass.
b. Epiblast.
c. Endoderm.
d. Syncytiotrophoblast.
e. Cytotrophoblast.

A

D,E

25
Q

The following embryonic structures are formed during the second week of development:

a. Amniotic cavity.
b. Extra-embryonic mesoderm
c. Bilaminar embryonic disc.
d. Neural tube.
e. Notochord.

A

A,B,C