Exam (elaborations)

Upper limb Revision MCQs with Answers

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Course
Anatomy

Institution
Harvard University

This is a tutorial type question paper for full speed revision of upper limb under gross anatomy. True False type MCQs with detailed answers really helpful for check and revise knowledge of upper limb

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Uploaded on January 3, 2022
Number of pages 9
Written in 2021/2022
Type Exam (elaborations)
Contains Questions & answers

medicine
surgery
anatomy
upperlimb
upper limb anatomy
upper limb mcq
upper limb tutorial
anatomy tutorial
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anatomy questions with answers

Institution
Harvard University
Course
Anatomy

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GROSS ANATOMY - UPPER LIMB REVISION QUIZ (MCQ) WITH ANSWERS
PART 01 (T-True F-False)
01. Regarding axillary region,
a) Divisions of the brachial plexus lie beneath the lateral 1/3 of the clavicle.
b) Damage to axillary nerve affects abduction.
c) Subclavian artery does not give any branches to scapular anastomoses.
d) All the lymph nodes which drain the mammary glands are palpable.
e) Apex of the axilla communicates with the posterior triangle of the neck.

Ans-
01.)
a) F – middle 1/3
b) T – common in shoulder dislocations since it winds round surgical neck of humerus
c) F – between 1st part of subclavian & 3rd part of axillary
d) F
e) T – apex with cervicoaxillary canal

02. Regarding the ulnar nerve
a) Enters the forearm between the heads of flexor carpi ulnaris.
b) Lies on the flexor digitorum profundus.
c) Supplies the medial half of the flexor digitorum profundus.
d) Runs medial to the hook of the hamate.
e) When damaged there is no sensory loss.

Ans-
02.)
a) T
b) T
c) T – lateral half by anterior interosseus nerve(branch of a median nerve)
d) T
e) F – variable area on medial 1 ½ fingers and adjoining area on both sides(palm and dorsum) of
hand

03. Regarding the bones of the upper arm
a) Proximal epiphysis of the humerus joins the shaft at puberty.
b) Axis of supinator passes between the radius and ulnar.
c) 5th & 6th cervical nerve roots are involved in abduction and lateral rotation.
d) The weakest point of the clavicle is at the junction of outer and middle third.
e) Ossification centres of proximal carpal bones appear before birth.

Ans-
03.)
a) F – growing end of bone at upper end , fuses with shaft at 20 years
b) T – through radial head & ulnar styloid
c) T – deltoid & teres minor mainly , supplied by axillary nerve
d) T – between lateral 1/3 & medial 2/3 in between costoclavicular & coracoclavicular ligaments
e) F – none before birth

, 04. Regarding the brachial plexus
a) Suprascapular nerves originate from the upper trunk.
b) Divisions lie behind the subclavius.
c) Posterior cord supplies the muscles of the posterior compartment.
d) The cords of the brachial plexus lie lateral to the first part of the axillary artery.
e) Lower trunk is likely to damage when the neck is suddenly turned to the other side.

Ans-
04.)
a) T – also nerve to subclavius
b) T – behind middle 1/3 of clavicle
c) T – radial nerve
d) F – lateral & posterior cords superolateral . posterior cord posterior . 2nd part – each cord has
same relation as name of cord
e) F – upper trunk (Upper trunk damage leads to erb’s palsy)

05. Regarding the ulnar nerve
a) The adductor pollicis is supplied by the deep branch of the ulnar nerve.
b) In the ulnar nerve palsy holding a piece of paper between the index and the middle finger is
difficult.
c) Clawing is more profound if the ulnar nerve is damaged at the wrist than it is damaged at the
elbow.
d) Ulnar nerve lies posterior to the medial epicondyle.
e) Lies lateral to the ulnar artery.
f) If damaged sensory loss of the medial side of the forearm.

Ans-
05)
a) T
b) T – paralysis of interossei & lumbricals
c) T – clawing produced by unopposed action of finger extensors and of flexor digitorum profundus .
when nerve is damaged at elbow , ulnar half of flexor digitorum profundus is out of action & can’t
flex distal interphalangeal joints of ring & little fingers . clawing less profound when damaged at
elbow
d) T
e) F – medial ( two arteries are on outer aspect relative to nerves )

06. Regarding the mammary gland
a) Secretory cells do not develop until puberty.
b) Major lymph drainage is to the parasternal lymph nodes.
c) Pectoral lymph nodes lie along the lateral thoracic artery.
d) The axillary tail lies along the superficial fascia and the skin.
e) Ducts are lined by stratified cuboidal epithelium.

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