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Medical Terminology > Skeletal Sytstem > Flashcards

Skeletal Sytstem Flashcards

Everything but the terminology of the skeletal system

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USMLE® Step 1 flashcards
1
Q

Main functions of the skeleatal system

A

supports the body
facilitates movement
protects internal organs
produces blood cells
stores and releases minerals and fat

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2
Q

Total # of bones in human body (ADLT)

A

206

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3
Q

list the bones in the axial skeleton

A

skull, thoracic cage, & vertebratal column.

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4
Q

number of head bones

A

22

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5
Q

number of spinal bones

A

24

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6
Q

number of thoracic cage bones

A

25 (12 pairs of ribs and the sternum)

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7
Q

number of bones in the skull

A

8 (Frontal, Parietal, Occipital, Temporal, Sphenoid, ethmoid, auditory ossicles, external auditory meatus)

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8
Q

Number of bones in the face

A

8 (zygomatic, maxillary, palatine, lacrimal, inferior concha, comer, mandible, hyoid)

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9
Q

Describe the structure for spine

A

A series of flexible inverterbratal discs encasing a spinal cord

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10
Q

Types of vertebrae

A

cervical (c1-c7) Throacic (t1-t12) Lumbar (l1-l5) Sacrum & coccyx

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11
Q

Describe the rib cage

A

12 pairs of ribs with intercostal cartilage all meeting in the center (the sternum)

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12
Q

Describe the RIB SETS

A

7 true ribs, 3 false ribs (attached to cartillage), and 2 floating ribs (not attatched to sternum)

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13
Q

Describe the Sternum

A

3 parts (the manubrium, body, and xiphoid process)

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14
Q

define the appendicular skeleton

A

the upper and lower limbs

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15
Q

Describe the pectoral girdle

A

scapula (shoulder blades) clavicle, and the acromion (edge of the clavicle)

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16
Q

Bones of the arm

A

Humerus (upper arm), radius (thumb-side of forearm) and ulna (pinky side)

17
Q

Bones of wrist and hand

A

carpals (wrist bones), metacarpals (palm), phalanges (finger and toe bones)

18
Q

Bones of the pelvic region

A

Pelvic girdle (hip bones), illium (largest part of hip bone), ischium (lower portion of pelvic girdle), pubis (anterior portion), pelvis (entire thing), and acetabulum (the socket)

19
Q

Bones of the leg

A

Femur (thigh bone), patella, tibia (shin) and fibula (smaller leg bone)

20
Q

Bones of the ankle and feet

A

7 tarsals (ankle bones), malleolus (bony thing on your ankle), talus (top bones of the foot), calcaneus (heel), metatarsals (foot bones), and phalanges

21
Q

Synathrosis

A

NO joint movement

22
Q

Amphiarthrosis

A

Some movement

23
Q

Diarthrosis

A

Free movement

24
Q

Structures assosciated with joints

A

Cartilage, synovial membrane, synovial fluid, ligaments (connects bone to bone), tendons (muscle to bone), bursa, meniscus

25
Q

Flexion and extension

A

Occurs in saggital plane. Flexion- anterior/forward movement
Extension- posterior/backward
(think bending back or forward)

26
Q

Abduction and Adduction

A

works within frontal plane
Abduction- moving something latertally away from the body
Adduction- bringing something back towards the body
(think shoulder joint)

27
Q

Circumduction

A

Circular movement

28
Q

Rotation

A

occurs at a pivot joint or ball and socket

29
Q

Supination and Pronation

A

Occurs in the forearm directing the position of the radius and ulna
Supination- radius and ulna are parellel (front facing palm)
Pronated- radius and ulna make X shape (backwards palm)

30
Q

Dorsiflexion and Plantar Flexion

A

Occurs at ankle joint
Dorsiflexion- tilting the foot up towards the tibia
Plantar flexion- pointing toe towards the ground

31
Q

Inversion and Enversion

A

Multiple joint movement that brings the joint towards or away from the midline of the body
Inversion- going towards the midline
Eversion- away from the midline

32
Q

Protraction and Retraction

A

Movements of the scapula or mandible
Protraction- shoulder is moved foward
Retraction- shoulder is moved back

33
Q

Depression and elavation

A

Upwards and downwards movement of the mandible and scapula

Medical Terminology (11 decks)

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