Help
Options
Question
How many bones are in the hand?
click to flip
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't know
Question
The digits contain how many phalanges?
Remaining cards (37)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Procedures Ch 4
| Question | Answer |
|---|---|
| How many bones are in the hand? | 27 |
| The digits contain how many phalanges? | 14 |
| Where do you center for an AP hand projection? | perpendicular to the 3rd metacarpal joint |
| The hand contains how many metacarpals? | 5 |
| How many phalanges does the 1st digit contain? | 2 |
| How many phalanges do the other 4 digits contain? | 3 |
| Name the phalanges of the other 4 digits. | proximal, middle, distal |
| Name the 3 parts of each phalanx | head, body, base |
| Name the 4 parts of each metacarpal | head, neck, body, base |
| Name the area below the head of the metacarpal where fractures often occur | neck |
| Name the distal end of the metacarpal | head |
| Name the proximal end of the metacarpal | base |
| Name of the 2 small bones located on the palmar aspect of the first metacarpal below the neck | sesamoid bones |
| The metacarpal heads are commonly known as: | knuckles |
| How many carpal bones are in the wrist? | 8 |
| Name the 4 bones of the proximal row of carpals, nearest the forearm | scaphoid, lunate, triquetrum, pisiform |
| Name the 4 bones of the distal row of carpals | trapezium, trapezoid, capitate, hamate |
| The carpals are classified as: | short bones |
| The metacarpals are classified as: | long bones |
| the largest bone in the proximal carpal row - has a tubercle on the anterior and lateral aspect for muscle attachment and is palpable near the base of the thumb | scaphoid |
| articulates with the radius proximally and is easy to recognize because of its crescent shape | lunate |
| roughly pyramidal and articulates anteriorly with the hamate | triquetrum |
| a pea-shaped bone situated anterior to the triquetrum and is easily palpated | pisiform |
| begins the distal row of carpals on the lateral side | trapezium |
| located next to trapezium and has a smaller surface anteriorly than posteriorly | trapezoid |
| articulates with the base of the third metacarpal and is the largest and most centrally located carpal | capitate |
| medial carpal in the distal row | hamate |
| a triangular depression located on the posterior surface of the wrist and is visible when the thumb is abducted and extended | anatomic snuffbox |
| a clinical sign suggesting fracture of the scaphoid | tenderness in the snuffbox area |
| the most commonly fractured carpal bone | scaphoid |
| The anterior or palmar surface of the wrist is concave from side to side and forms the ______ _______. | carpal sulcus |
| a strong fibrous band that attaches medially to the pisiform and hook of hamate and laterally to the tubercles of the scaphoid and trapezium | flexor retinaculum |
| the passageway created between the carpal sulcus and flexor retinaculum | carpal tunnel |
| The _____ _____ and the _____ _____ pass through the carpal tunnel. | median nerve and flexor tendons |
| results from compression of the median nerve inside the carpal tunnel | carpal tunnel syndrome |
| Name the 2 bones that are contained in the forearm that lie parallel to each other | radius and ulna |
| located on the lateral side of the forearm | radius |
| located on the medial side of the forearm | ulna |
Created by:
kkant
Popular Radiology sets