問題一覧
1
What is the respiration phase for the AP projection of the pelvis?
Suspended respiration
2
The central ray for an AP pelvis is directed perpendicular to the center of the IR. The central-ray entrance point will be about _____ inches _____ to the pubic symphysis.
2; superior
3
How many degrees should the feet and lower limbs be internally rotated for an AP pelvis radiograph?
15 to 20 degrees
4
What is the name of the bone and aspect of the bone in this figure?
Hip bone, lateral
5
The iliac crest extends from the _________ to the ___________.
anterior superior iliac spine; posterior superior iliac spine
6
The respiration phase for the axiolateral projection of the hip (Danelius-Miller) is
suspended respiration.
7
What is the central-ray angle for an AP projection of the hip?
Perpendicular
8
How many degrees is the lower limb and foot rotated internally for an AP hip?
15 to 20 degrees
9
How much should the thighs be abducted for the AP oblique projection of the femoral necks (modified Cleaves method)?
45 degrees
10
What is the recommended exposure field size and orientation for the AP projection of the hip?
10 x 12 inch (24 x 30 cm), lengthwise
11
To accurately position the patient for hip radiographs, one must localize two bony points on the pelvis. These two reference points are the 1. superior margin of the symphysis. 2. greater trochanter of the femur. 3. anterior superior iliac spine.
1 and 3
12
The neck of the femur projects anteriorly at an approximate angle of _____ degrees.
15 to 20
13
What is the recommended collimated field size for an AP hip?
10 x 12 inches (24 x 30 cm)
14
Which of the following will be shown “in profile” if the lower limbs are in correct position for an AP pelvis?
Greater trochanters
15
Where does the central ray enter the patient for an AP hip?
2 inches distal on a line drawn perpendicular to the midpoint of a line between ASIS and pubic symphysis
16
The ilia articulate with the sacrum posteriorly at the
sacroiliac joint.
17
The area identified on the bone shown in this figure is the
intertrochanteric crest.
18
Which of the following will demonstrate the femoral necks in their full extent without superimposition for an AP pelvis?
Internally rotate the feet and lower limbs 15 to 20 degrees.
19
All of these comprise the hip bone, except
ileum.
20
For the AP oblique femoral necks (modified Cleaves method), the central ray is directed _____ degrees.
0
21
The body of the pubis forms approximately _____ of the acetabulum anteriorly.
one-fifth
22
Which ramus is labeled with the arrow in this figure?
Superior pubic
23
Unless contraindicated, the lower limb and leg should be internally rotated for an axiolateral projection of the hip (Danelius-Miller). How many degrees of rotation are required?
15 to 20
24
Which of the following methods will demonstrate the femoral necks in the AP oblique projection?
Modified Cleaves
25
The aspect of the proximal femur shown in this figure is the
posterior.
26
Which method demonstrates the hip in an axiolateral projection?
Danelius-Miller
27
Where does the central ray enter the patient for a unilateral AP oblique femoral necks (modified Cleaves method)?
Femoral neck
28
The bone shown in this figure is the
hip bone.
29
The part identified by the arrow in this figure is the
anterior superior iliac spine.
30
Where does the central ray enter the patient for a bilateral AP oblique femoral necks (modified Cleaves method)?
1 inch superior to the pubic symphysis
31
Which of the following is an important and frequently used radiographic positioning reference point?
Anterior superior iliac spine
32
Which of the following methods will demonstrate the hip in a lateral projection?
Lauenstein and Hickey
33
Which projection of the hip is shown in this figure?
Axiolateral
34
Which of the following devices are necessary to perform an axiolateral projection of the hip (Danelius-Miller)? 1. Sandbags 2. Leg support device 3. IR holder
1, 2, and 3
35
The body of the ilium forms approximately _____ of the acetabulum superiorly.
two-fifths