Exam 2 Pelvis

Question 1

What is the patient position for the modified cleaves method?

Answer 1

frog leg position

Question 2

What is the mortality rate with pelvic fractures?

Answer 2

20%

Question 3

Which bones form the acetabulum?

Answer 3

ilium, pubis, ischium

Question 4

how are intertrochanteric fractures usually treated?

Answer 4

open reduction and internal fixation

Question 5

what is Legg-Calve Perthes disease?

Answer 5

femoral head lesion

Question 6

which of the following describes a transcervical fracture?

Answer 6

fracture through mid neck of femur

Question 7

which are the most common sites evaluated for osteoporosis?

Answer 7

lumbar spine, hip, forearm

Question 8

which of the following is true concerning the female pelvis?

Answer 8

it is broader and shallower than the males

Question 9

where does a subcapital fracture occur?

Answer 9

just beneath the bead of the femur

Question 10

on a cross-table lateral hip projection, where is the upper border of the cassette placed?

Answer 10

within the crease above the iliac crest

Question 11

which of the following describes the Danelius-Miller method?

Answer 11

axial cross-table lateral projection of hip

Question 12

which finding associated with the pelvis is considered unstable?

Answer 12

two or more breaks in the pelvic ring

Question 13

what is an osteosarcoma?

Answer 13

long bone neoplasm

Question 14

how do you position the toes for a hip x-ray when no fracture Is suspected?

Answer 14

internally rotate 15 degrees

Question 15

on an AP projection of the pelvis, why would the right obturator appear smaller than the left?

Answer 15

left side of body rotated away from table

Question 16

relaxed during adduction; of little importance in adults

Answer 16

ligamentum teres

Question 17

Where does the CR enter for an AP hip

Answer 17

between ASIS and greater trochanter or 2 inches above the fold of the leg

Question 18

where should the cassette be placed for an axiolateral cross-table hip Danelius-Miller method

Answer 18

placed with long axis of femoral neck, upper border placed in crease above iliac crest

Question 19

where should the CR enter for an axiolateral cross-table hip Danelius-Miller method

Answer 19

perpendicular to the long axis of the femoral neck

Question 20

when do you use the axiolateral Clements-Nakayama modification?

Answer 20

if the patient has bilateral hip fracture, bilateral hip arthroplasty, or limited movement of the unaffected hip

Question 21

where should the CR be enter for an axiolateral Clements-Nakayama modification?

Answer 21

CR 15 degrees caudal (posterior) and aligned perpendicular to the femoral neck and cassette

Question 22

what would you do if the patient is unable to lie flat?

Answer 22

use pillows

Question 23

what would you do if the patient is unable to move affected leg or fracture is suspected?

Answer 23

cross-table Danelius-Miller method

Question 24

what would you do if both legs are affected and patient cannot move either legs?

Answer 24

axiolateral Clements-Nakayama modification

Question 25

what is the most common hip fracture?

Answer 25

intertrochanteric fracture

Question 26

what are the 3 joints in the pelvis?

Answer 26

hip, SI, pubic symphysis

Question 27

what kind of joint are the SI joints?

Answer 27

synovial

Question 28

what kind of joint is the hip joint?

Answer 28

synovial

Question 29

what kind of joint is the pubic symphysis?

Answer 29

cartilagenous

Question 30

where should the cassette be placed for an AP pelvis?

Answer 30

upper border of cassette is 1-1.5 inches above the crest

Question 31

where should the CR enter for an AP pelvis?

Answer 31

midway between ASIS and pubis symphysis

Question 32

for congenital dislocation what are the two projections needed?

Answer 32

AP and AP axial

Question 33

where should the CR enter for a lateral or superior displacement of femoral head?

Answer 33

perpendicular to pubic symphysis

Question 34

where should the CR enter for a posterior or anterior displacement of femoral head?

Answer 34

45 degrees cephalic directed at pubic symphysis

Question 35

where should the CR enter for an AP Axial Oulet projection (Taylor method)?

Answer 35

2 inches distal to the superior border of the pubic symphysis
males: 20-35 degrees cephalic
females: 30-45 degrees cephalic

Question 36

where should the CR enter for an AP Axial Inlet projection (Bridgeman method)?

Answer 36

40 degrees caudal centered at level of ASIS

Question 37

what is considered a stable pelvic fracture?

Answer 37

fracture of single bone or single break in the pelvic ring

Question 38

complications of pelvic fractures:

Answer 38

life threatening hemorrhage, sitting imbalance, leg length discrepancy

Question 39

females have a ____ lifetime risk of fractures from

Answer 39

40%

Question 40

__% of people over __ years of age have degenerative arthritis or osteoarthritis

Answer 40

85%, 70

Question 41

most common type of malignant bone cancer, often localized at long bones, commonly affects the lower end of the femur or the upper end of the tibia or humerus

Answer 41

osteosarcoma