Hand & Brachial plexus

Question 1

What are the names of the carpal bones?

Answer 1

scaphoid,lunate,hamate,pisiform,triquetum,trapezoid and trapezium, capitate

Question 2

What are the bones that form the proximal row of the carpal bones?

Answer 2

scaphoid,lunate,pisiform and triquetum

Question 3

What is the most common fracture in the carpal bones?

Answer 3

scaphoid

Question 4

What are the carpal bones that articulate with the radius?

Answer 4

scaphoid,triquetum and lunate

Question 5

What are the bones that form the distal row of the carpal bones?

Answer 5

trapmezium,trapezoid,capitate and hamate

Question 6

Scaphoid shape?

Answer 6

boat

Question 7

Lunate shepe?

Answer 7

moon/crescent

Question 8

triquetum shape?

Answer 8

triangular

Question 9

pisiform shape?

Answer 9

pea

Question 10

Which is the carpal bone located under the thumb ?

Answer 10

trapezium

Question 11

How many metacarpals are there?

Answer 11

5

Question 12

How many phalanges does the thumb have?

Answer 12

2

Question 13

What phalange is not present in the thumb?

Answer 13

middle

Question 14

How many phalanges are present in the hand?

Answer 14

14

Question 15

Which carpal bone is four sided?

Answer 15

trapezium

Question 16

Which carpal bone is termed as the round bone?

Answer 16

capitate

Question 17

Which carpal bone is termed as the hooked bone?

Answer 17

hamate

Question 18

Which is the most fractured metacarpal bone?

Answer 18

5th metacarpal (pinky bone)

Question 19

How many phalanges are in each digit?

Answer 19

3 except in the thumb (2)

Question 20

Which is the phalange is the most often fractured?

Answer 20

distal phalange located in the middle finger

Question 21

Carpal bones provide _______ to the wrisgt joint?

Answer 21

flexion,extension and gliding movements

Question 22

What are the joints of the hand?

Answer 22

1.carpometacarpal(CMC)
2.metacarpopjalangeal (MCP)
3. proximal interphalangeal (PIP)
4. distal interphalangeal (DIP)

Question 23

The thumb has how many interphalangeal joints?

Answer 23

only 1 (others have 2)

Question 24

CMC (Carpometacarpal) joint is what type?

Answer 24

saddle

Question 25

MCP (metacarpophalangeal) joint is what type of joint?

Answer 25

condyle

Question 26

PIP/DIP (proximal interphalangeal) and (distal interphalangeal) joint are what type of joint?

Answer 26

hinge

Question 27

What are the ligaments present in the carpometacarpal joint?

Answer 27

Capsule(gliding movement) palmar and dorsal (dorsa ligament is the strongest) interosseous

Question 28

Palmar ligaments is located at the ______?

Answer 28

top

Question 29

Thumb Joint is a ________?

Answer 29

saddle joint

Question 30

Ligaments of the thumb joint?

Answer 30

capsule palmar and dorsal interosseous

Question 31

What are the ligaments of the thumb for?

Answer 31

allow flexion,extension,abduction,adduction and circumduction

Question 32

Thumb joint is a common site of?

Answer 32

arthritis

Question 33

Ligaments of the metacarpophalangeal joint?

Answer 33

capsule radial and ulnar collaterals palmar(volar) plate

Question 34

What are the ligaments of the metacarpphalangeal for?

Answer 34

capsule: flexion,extension,abduction,adduction and circumduction radial and ulnar collaterals: tight in flexion and loose in extension palmar (volar) plate : broken digit(cast in flexion or ligament will be shorten)

Question 35

Ligaments of the interphalangeal joints?

Answer 35

capsule : felxion and extension collaterals : oriented obliquely palmar (volar) plate: orevents hyperextension

Question 36

Intrisic hand muscles carry out?

Answer 36

fine precision movements

Question 37

forearm muscles + tendons perform more of ___?

Answer 37

powerful hand movements such as gripping objects

Question 38

Intrinsic hand muscles are mainly innnervated by?

Answer 38

ulnar nerve

Question 39

Thenar muscles and 2 lateral lumbricals are innervated by ?

Answer 39

median nerve

Question 40

Intrinsic hand muscles are divided into?

Answer 40

thenar (thumb) hypothenar(pinky)

Question 41

Thenar eminence includes which muscles?

Answer 41

flexor pollis brevis abductor pollicis brevis opponens pollicis

Question 42

Thenar eminence is innervated by which nerve?

Answer 42

median nerve

Question 43

Hypothenar eminence is innervated by which nerve?

Answer 43

ulnar nerve

Question 44

Hypothenar eminence includes which muscles?

Answer 44

Flexor digiti minimi brevis abductor digiti minimi opponens digiti minimi

Question 45

Long tendons pass through the hands surrounded by _______ sheath?

Answer 45

synovial sheath

Question 46

Long tendons that reach the digits there is a ________ sheath?

Answer 46

fibrous digital sheath(binds them to the phalanges)

Question 47

Thenar and midpalmar spaces in the hand can be ___?

Answer 47

infected and distended

Question 48

Anatomical suffbox?

Answer 48

extensor pollicis longus(medially) abductor pollicis longus and extensor pollicis brevis(laterally)

Question 49

Floor of the snuffbox contains which artery?

Answer 49

radial artery

Question 50

Long flexor tendons ?

Answer 50

flexor digitorium superficialis and profundus *superficialis tendon allows profundus to reach distal phalanx