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RegA1
CanColl May12 MCQ RegA 1
Question | Answer |
---|---|
# of bones in the body | 206 |
cervical | 7 |
thoracic | 12 |
lumbar | 5 |
sacral | 5 fused |
coccygeal | 4 fused |
total verterbral | 33 (26 if you count the fused as singles) |
what is C7 called | vertebra prominens |
what is C1 called | Atlas |
What is C2 called | Axis |
what is the formation unique to axis | the dens |
where does the spinal cord end | L1, L2 |
the coccyx is also known as your: | tail bone |
Where is the annulus fibrosis weakest | postero-lateral |
name the erector spinae mm's from lateral to medial | I love spagetti |
ribs - which are called true ribs | 1 - 7 |
ribs - which are called false rib | 8, 9, 10 plus any that you have had inserted... |
ribs - which are called floating or free | 11, 12 |
Proximal row of carpal bones - beginning on thumb side (palm up) | Some Lovers Try Positions Scaphoid, lunate, tiquetrum, pisiform |
distal row of carpal bones - beginning on thumb side (palm up) | That they can't handle Trapezium, trapezoid, capitate, hamate |
Trapezium vrs trapezoid | trapezium is on your thumb. trapez"oi"d - you use to point (index) |
what structures pierce the diaphragm | inferior vena cava, esophagus, aorta |
O & I for diaphragm | O=xyphoid, lower 6 ribs, sup 2or3 lumber verts & IVDs. I=central tendon |
what elevates ribs during inspiration | external obliques |
what depresses ribs during expiration | internal obliques |
Scalenes - action | ipsi lat flex + ipsi rotation |
SCM - action | ipsi lat flex + contra rotation |
Radius - which end is the head | Proximal |
Ulna - which end is the head | Distal |
What makes up the mobile wad of three? | brachioradialis, extensor carpi radialis longus & brevis (ECRL + ECRB) |
anatomical snuffbox | a brevis sandwich - EPB is between the two longus. The snuffbox is made up of the tendons. Medial = Extensor Pollicis Longus - Lateral = Extensor Pollicis Brevis & Abductor Pollicis Longus |
Thenar muscles | abductor pollicis brevis, flexor pollicis brevis and opponens pollicis |
terrible triad (knee) | MCL, ACL + medical meniscus |
how many segments in spine | 33 |
breakdown of spinal segments | C = 7, T = 12, L = 5, Sacral = 5 (fused), Coccygeal = 4 (fused) |
How many IVDs are in an adult spine | 23 |
Where is the Apex of the sacrum | the distal / inferior surface or the sacrum - articulates with coccyx |
Where is the base of the sacrum | top/proximal surface |
Joints - functional classification | synarthrodal - virtually no movement ampiarthrodal - some movement diarthrodal - fully moveable (all synovial joints are diarthrodal) |
memory key for joint classification | it's a sin to move - ambivalent - dying to move |
joints - structural classification | fibrous (no joint space), cartilaginous (no joint space)synchondrosis, synovial (joint space+ articular capsule) |
synovial types: plane | AC, intercarpal |
synovial types: hinge | humeral ulnar (elbow0, IP joints |
synovial types: pivot | atlanto axial, proximal radioulnar |
synovial types: condyloid | radiocarpal |
synovial types: saddle | sternoclavicular |
synovial types: ball | glenohumeral, coxal |
General features found in (most) synovial joints | articular capsule, joint cavity, synovial fluid, articular cartilage (usually hyaline), ligaments, articular disc/meniscus, labrum, bursa, tendon sheath |
IVDs - nucleus pulposa | avascular, gel centre |
IVDs - annulus fibrosis | outer ring |
Herniated discs ususally occur at | L4 - L5 or L5 - S1 (95%) |
Herniated discs - which way do they herniate? | postolaterally (95%) |