The Hand

Question 1

What is the order of bones from lateral to medial (in the anatomical position) of the first row of carpal bones?

Answer 1

Scaphoid
Lunate
Triquetrium
Pisiform

Question 2

What is the order of bones from lateral to medial (in the anatomical position) of the second row of carpal bones?

Answer 2

Trapezium
Trapezoid
Capitate
Hamate

Question 3

What is the number order of the metacarpal bones from thumb to pinky?

Answer 3

1-5

Question 4

Do all digits have the same number of phalanges?

Answer 4

No - the thumb lacks a middle phalanx

Question 5

The pisiform, hook of hamate, tubercle of trapezium and tubercle of scaphoid all sit on which side of the hand?

Answer 5

Ventral

Question 6

What type fo synovial joint is the radiocarpal joint?

Answer 6

Comdyloid

Question 7

What forms the roof of the carpal tunnel?

Answer 7

Flexor retinaculum

Question 8

Which nerve travels through the carpal tunnel?

Answer 8

Median nerve

Question 9

Which ligament ties together the 2nd-5th metacarpals to prevent them from fanning out?

Answer 9

Deep transverse metacarpal ligament

Question 10

What kind of synovial joint exists between the carpal and metacarpal bones?

Answer 10

Plane joint

Question 11

What kind of synovial joint exists between the trapezium and first metacarpal?

Answer 11

Saddle joint

Question 12

What kind of synovial joint is the metarcapal-phalanges joint?

Answer 12

Condyloid joint

Question 13

What kind of synovial joint is the inter-phalangeal joints?

Answer 13

Hinge joints

Question 14

Which ligament of the thumb is particularly important in the pinch grip?

Answer 14

Ulnar collateral ligament

Question 15

Which tendons run through the carpal tunnel?

Answer 15

4 tendons of Flexor digitorum superficialis
4 tendons of flexor digitorum produndus
Tendon of flexor pollicis longus

Question 16

Which nerve is responsible for thumb opposition?

Answer 16

Median nerve

Question 17

What structures are transmitted by the guyon tunnel?

Answer 17

Ulnar nerve and artery

Question 18

Which nerve is responsible for thumb abduction?

Answer 18

Ulnar nerve

Question 19

Which artery sits in the anatomical snuffbox?

Answer 19

Radial artery

Question 20

Which tendons comprise the anatomical sunffbox?

Answer 20

Extensor pollicis longus
Extensor pollicis brevis
Anductor pollicus brevis

Question 21

The thenar muscle sits on the medial aspect of the hand and the hypothenar muscle on the lateral aspect. T/f?

Answer 21

False the opposite is true

Question 22

Which nerve principally supplies the thenar eminence?

Answer 22

Median nerve

Question 23

Which nerve principally supplies the hypothenar eminence?

Answer 23

Ulnar nerve

Question 24

What is the function of the lumbricals?

Answer 24

To modify the action of thr flexors of the hand

Question 25

Which movement is allowed by the simultaneous action fo the lumbricals and dorsal interossei?

Answer 25

Simultaneous extension of the interphalangeal joints and flexion of the metacarpal phalangeal joints

Question 26

Which nerve supplies the sensory function of the pinky and half of the ring finger?

Answer 26

Ulnar nerve

Question 27

Which nerve supplies sensory function to the palmar aspect of the thumb, index finger, middle finger and half of the ring finger and the tips of the dorsal aspect of the ring, index and middle fingers?

Answer 27

Median nerve

Question 28

Which nerve provides sensory function to the dorsal aspect of the thumb, index finger and middle finger?

Answer 28

Radial nerve

Question 29

Which artery forms the superficial palmar arch of the hand?

Answer 29

Ulnar artery

Question 30

Which artery passes dorsal to the first metacarpal and loops around it to appear deep on the palm side to feed to deep palmar arch of the hand?

Answer 30

Radial artery

Question 31

The cephalic and basilic veins are superficial veins of the hand, forearm and arm. Which deep veins do these drain to?

Answer 31

Cephalic vein drains to subclavian vein

Basilic vein drains to axillary vein