Upper Limb: Golden Facts I

Question 1

Most important function of hand

Answer 1

Prehensile activities (grasping)

Question 2

Most important feature of human hand

Answer 2

Opposition of thumb and precision grip

Question 3

Only point of bony contact between upper limb and chest (or) A small joint connecting the upper limb skeleton to the axial skeleton

Answer 3

Sternoclavicular Joint

Question 4

Part of upper limb having largest representation in the brain

Answer 4

Hand

Question 5

Most important digit of the hand

Answer 5

Thumb

Question 6

First bone to ossify in the body

Answer 6

Clavicle

Question 7

Most commonly fractured bone in the body

Answer 7

Clavicle

Question 8

Most mobile joint in the body

Answer 8

Shoulder Joint

Question 9

Most commonly dislocated joint in the body

Answer 9

Shoulder Joint

Question 10

Joint with maximum types of movements in the body

Answer 10

First carpometacarpal joint

Question 11

Strongest ligament in the upper limb

Answer 11

Coracoclavicular Ligament

Question 12

Muscle most commonly used for intramuscular injection

Answer 12

Deltoid

Question 13

Most preferred muscle for tendon graft

Answer 13

Palmaris longus

Question 14

Artery most commonly used for auscultation

Answer 14

Brachial artery in front of the elbow

Question 15

Artery commonly used for taking arterial pulse

Answer 15

Radial artery in front of wrist on lateral side

Question 16

Thumb movements are much freer than that of any digit/finger

Answer 16

Separate joint cavity is present

Question 17

The nerve supply to the upper limb is derived from the brachial plexus formed by

Answer 17

Ventral rami of C5-C8 and TI spinal nerves

Question 18

Axillary nerve supplies

Answer 18

Deltoid and teres minor muscles

Question 19

Musculocutaneous, median and ulnar nerves supply

Answer 19

Anterior/flexor compartments of the arm and forearm

Question 20

Radial nerve supplies

Answer 20

Posterior/extensor compartments of the arm and forearm

Question 21

All the intrinsic muscles of hand are supplied by the ULNAR NERVE except

Answer 21

Thenar muscles (FPB, FPL, OP) and the first 2 lumbricals

Question 22

Thenar muscles (FPB, FPL, OP) and the first 2 lumbricals are supplied by

Answer 22

Median nerve

Question 23

Pathway of arteries in hand

Answer 23

Subclavian artery → Axillary artery → Brachial Artery (at lower border of teres major) → Radial/Ulnar arteries

Question 24

Superficial veins of the upper limb originate from

Answer 24

The dorsal venous arch of the hand

Question 25

Axillary artery supplies blood to

Answer 25

Shoulder region

Question 26

Brachial artery supplies blood to

Answer 26

Anterior and posterior compartments of arm

Question 27

Radial and ulnar arteries supply blood to

Answer 27

Lateral and medial parts of the forearm

Question 28

Pathway of veins in the upper limb

Answer 28

Deep veins → Axillary vein → Subclavian vein (at outer border of first rib) → Internal jugular vein → Brachiocephalic veins (R, L) → Superior vena cava → Heart

Question 29

Most commonly fractured bone of the hand

Answer 29

Scaphoid bone

Question 30

Most common peripheral neuropathy in the body

Answer 30

Compression of median nerve at wrist