Worksheetspositioning pt 2 2022
Total questions: 100
Worksheet time: 50mins
Which of the following forms the ankle mortise?
1. lateral malleolus of the fibula
2. medial malleolus of the tibia
3. inferior surface of the tibia
1 and 2
1 and 3
2 and 3
1, 2, and 3
The central ray is directed to which of the following for an AP or AP axial projection of the foot
head of the second metatarsal
head of the third metatarsal
base of the third metatarsal
base of the fourth metatarsal
The most commonly performed oblique projection of the foot is the ____ oblique in _____
AP, medial rotation
AP, lateral rotation
PA, medial rotation
PA, Grashey method
Which lateral projection of the foot is the most commonly performed
lateromedial (Lateral recumbent position)
mediolateral (lateral recumbent position)
lateromedia (standing weight-bearing)
mediolatera (standing weight-bearing)
What is the central-ray angulation for the axial (plantodorsal) projection of the calcaneus?
25 degrees
30 degrees
35 degrees
40 degrees
Which of the following is not clearly demonstrated on an AP projection of the ankle?
tibiotalar
lateral malleoli
ankle mortise
tibiofibular overlapping
Where will the fibula be located on a properly positioned lateral radiograph of the ankle
directly over the tibia
behind the tibia
over the anterior half of the tibia
over the posterior half of the tibia
The central-ray angulation for an AP oblique projection of the ankle is
0 degrees
5 degrees caudad
7 degrees caudad
15 degrees caudad
What is the position of the femoral condyles when the leg is properly positioned for an AP projection
perpendicular to the IR
Parallel to the IR
At a 15-20 degree oblique position (laterally)
At a 15-20 degree oblique position (medially)
When the ASIS-to-tabletop measurement is between 19-24cm, the central-ray angulation for an AP knee is
0 degrees
5 degrees caudad
7 degrees caudad
15 degrees caudad
When the ASIS-to-tabletop measurement is less than 19cm, the central-ray angulation for an AP knee is
0 degrees
5 degrees cephalad
5 degrees caudad
7 degrees caudad
The central-ray angulation for a lateral projection of the knee is
0 degrees
3-5 degrees cephalad
dependent upon the ASIS-to-tabletop measurement
5-7 degrees cephalad
What is the central-ray angle for a lateral projection of the patella
0 degrees
5 degrees cephalad
7 degrees cephalad
10 degrees cephalad
How many degrees should the limp be internally rotated for an AP projection of the femur
10
15
18
10-20
How far should the IR/collimated field extend below the knee for a lateral projection of the femur
1 inch
2 inches
3 inches
4 inches
The superior portion of the calcaneus contains a groove called the cacaneal sulcus. The inferior portion of the talus contains a matching groove called the sulcus tali. Collectively these to suci form the
throclea
ankle mortise
sinus tarsi
sustentaculum tali
The proximal end of the tibia presents two prominent processes called the
tubercles
condyles
malleoli
tuberosities
The two flat, superior surfaces of the tibia are called the
tubercles
malleoli
condyles
tibial plateaus
On an anterior surface of the tibia is a prominent process called the
body
anterior border
tibial tuberosity
intercondylar eminence
The circular fibrocartilage disks or pads that lie on the tibial plateaus are called the
bursae
menisci
articular cartilages
articular capsules
What type of joint is the ankle mortise?
synovial-gliding
synovial-hinge
synovial-ellipsoidal
synovial-ball and socket
Which of the following bones does not bear body weight
tibia
fibula
navicular
calcaneus
The incomplete separation of avulsion of the tibial tuberosity is known as
osteosarcoma
osteomalacia
paget's disease
Osgood-Schlatter disease
The hip bone is composed of which of the following?
1. Illium
2. pubis
3. ischium
1 and 2
1 and 3
2 and 3
1, 2, and 3
The ilia articulate with the sacrum posteriorly at the
hip joint
pubic symphysis
sacroiliac joints
lumbar-5 and sacral-1 area
Which of the following will be shown "in profile" if the lower limbs are in correct position for an AP pelvis
lesser trochanter
greater trochanter
anterior superior iliac spines
anterior inferior iliac spines
The vertebral column articulates with the hip bone at the
sacroiliac joint
pubic symphysis
acetabulum
;umbar-5, sacral-1 joint
When viewed from the side, the vertebral column should present how many curves
two
three
four
five
Which of the following vertebral areas have a kyphotic curve?
1. Thoracic
2. lumbar
3. sacrum and coccyx
1 and 2
1 and 3
2 and 3
1, 2, and 3
The articulations between the articular process of the vertebral arches are called the ____ joints
costovertebral
costotransverse
intervertebral
zygapophyseal
Spinal nerves and blood vessels exit the spinal column through the
verterbral arch
vertebral notches
vertebral foramen
intervertebral foramen
Which vertebral process projects posteriorly from the junction of the laminae and pedicles
spinous process
transverse process
superior articular process
inferior articular process
The vertebra prominens is the same name given to the ____ vertebra
first cervical
second cervical
seventh cervical
first thoracic
The openings in the cervical vertebrae for the transmission of the vertebral artery and vein are called the
transverse foramen
vertebral foramina
intervertebral foramina
inferior vertebral notch
The zygapophyseal joints of the cervical spine are clearly demonstrated on which projection
AP
lateral
AP oblique
PA Oblique
The zygapophyseal joints of the lumbar spine form an angle of how many degrees from the posterior midsagittal plane
45
15 to 20
30 to 50
70 to 75
The condition of the lumbar spine in which there is anterior displacement of one vertebra over another is termed
scoliosis
spondylolysis
spondylolisthesis
scoliokyphosis
On each side of the sacral base is a large winglike mass called the
ala
base
promontory
superior articular process
The angle of the articulation between the sacrum and the ilia (the sacroiliac joints) is ____ degrees
10 to 15
15 to 20
25 to 30
45 to 50
Which of the following lines must be perpendicular to the IR for the AP "open mouth" atlas and axis
glabellomeatal line
orbitomeatal line
acanthiomeatal line
A line drawn from the lower edge of the upper incisors to the tip of the mastoid process
The central-ray angle for an AP axial of cervical vertebrae is
10 degrees cephalad
20 degrees cephalad
15 to 20 degrees cephalad
variable, depending on the body habitus
Which of the following methods is used to demonstrate the dens within the foramen magnum?
Grandy
Fuchs
Twining
Pawlow
The intervertebral foramina of the cervical spine are demonstrated on which of the following projections?
1. AP Axial
2. AP axial oblique
3. PA axial oblique
1 and 2
1 and 3
2 and 3
1, 2, and 3
Which intervertebral foramina are demonstrated on an AP axial oblique projection of the cervical spine
those farther from the IR
those closest to the IR
Both sides equally demonstrated
The inferior six closest to the IR
The swimmer's technique lateral projection is performed to demonstrate the
cervical vertebrae
thoracic vertebrae
atlas and axis
cervicothoracic vertebrae
Ideally, the cathode end of an x-ray tube should be positioned to take advantage of the "heel effect" of the tube. Where should the cathode be placed for an AP thoracic spine?
toward the head
toward the feet
head or foot end
variable, depending on body habitus
If a lead rubber sheet is not placed on the table when performing a lateral projection of the thoracic spine, the image may be
underexposed
overexposed
too high in contrast
too low in contrast
Which of the following planes is placed perpendicular to the tabletop and centered to the midline of the grid for a lateral lumbar spine
horizontal plane
midcoronal plane
midsagittal plane
transverse plane
Which of the following is the essential projection used to demonstrate the zygapophyseal joints of the lumbar spine
AP
lateral
AP oblique
PA oblique
Which of the following devices might be used to improve image quality on a lateral projection of the lumbar spine?
1. Close collimation
2. 48-inch SID
3. Sheet of leaded rubber
1 and 2
1 and 3
2 and 3
1, 2, and 3
Which zygapophyseal joints are demonstrated on the AP oblique projection of the lumbar spine
joints farthest from the IR
joints closest to the IR
both joints equally demonstrated
the L1 to L4 joints closest to the IR
Which projection of the lumbar spine displays the vertebrae in the form of a "Scottie dog"?
1. lateral
2. AP oblique
3. PA oblique
1 and 2
1 and 3
2 and 3
1, 2, and 3
How many degrees is the body rotated for an AP oblique projection of the sacroiliac joint
20
40
30
25 to 30
The central-ray angle for an AP oblique sacroiliac joint is
0 degrees
5 degrees caudad
10 degrees caudad
15 degrees caudad
The central-ray angle for an AP axial projection of the sacrum is
10 degrees caudad
5 degrees caudad
10 degrees caudad
15 degrees cephalad
Where does the central-ray enter the patient for an AP axial projection of the sacrum
2 inches at the pubic symphysis
1 inch inferior to the symphysis
1 inch at the pubic symphysis
2 inches superior to the pubic symphysis
The central-ray angle for an AP axial projection of the coccyx is
10 degrees caudad
15 degrees caudad
10 degrees cephalad
15 degrees cephalad
Which of the following techniques should be utilized to decrease radiation dose during scoliosis radiography?
1. close collimation
2. breast shields
3. PA projection instead of AP
1 and 2
1 and 3
2 and 3
1, 2, and 3
How many true, or movable, vertebrae are there in the vertebral column
7
12
24
33
The vertebral body and the vertebral arch surround a space called the
lamina
vertebral notch
vertebral foramen
intervertebral foramina
Spina bifida is a congenital deformity of the vertebral column in which the _____ fail to unit posteriorly
arches
bodies
pedicles
lamina
The second cervical vertebrae is called the
dens
atlas
axis
vertebra prominens
The superior and inferior articular processes of the cervical spine form thick columns called the
facets
laminae
pedicles
articular pillars
The part of the lamina that lies between the superior and inferior articular processes on a typical lumbar vertebrae is called the
transverse process
pars interarticularis
accessory process
mammillary process
The zygapophyseal joints of the vertebral column are classified as
synovial, gliding
synovial, pivot
synovial, ellipsoidal
cartilaginous symphysis
Ribs lie in an oblique plane in the thorax. How are the anterior ends situated in comparison to the posterior ends?
1 inch lower
1 inch higher
3 to 5 inches lower
3 to 5 inches higher
The space between each of the ribs is called the
coastal cartlidge
intercostal spaces
costovertebral joints
costotransverse joints
Which joints articulate with a vertebra?
1. costovertebral
2. costotranverse
3. costochondral
1 and 2
1 and 3
2 and 3
1, 2, and 3
For which type of body habitus will the diaphragm be at the lowest position in the body
obese
hyposthenic
emaciated
hypersthenic
Which of the following is the essential projection and body position for demonstration of the sternum?
AP, supine
PA, prone
PA oblique, LAO
PA oblique, RAO
Which SID is recommended for the lateral projection of the sternum for management of magnification
48 inches
60 inches
72 inches
120 inches
The central-ray angle for a lateral sternum is
5 degrees caudad
10 degrees caudad
10-12 degrees caudad
perpendicular
How much is the body rotated for the PA oblique projection of the sternoclavicular articulation (body rotation technique)
10 degrees
20 degrees
10 to15 degrees
20 to 30 degrees
When performing the PA oblique projection (body rotation technique) of the sternoclavicular articulations, which of the joints would be demonstrated?
both joints are demonstrated
the joint closest to the IR
the joint farthest from the IR
both joints-but varies depending on body habitus
Which of the following body positions will project the left ribs clear of the heart?
1. lateral
2. LAO
3. RPO
1 and 2
1 and 3
2 and 3
1, 2, and 3
What is the respiration phase for the AP projection of the ribs below the diaphragm
suspended respiration
full inspiration
full expiration
slow, shallow breathing
The easily palpable superior border of the manubrium is called the
body
xiphoid
sternal angle
jugular notch
How many ribs attach directly to the sternum
5
7
10
12
Which ribs are called the false ribs
1 to 7
1 to 10
8 to 12
11 and 12
Which ribs are attached to the vertebrae only
1 to 7
1 to 10
8 to 10
11 and 12
What degree of x-ray tube angulation is required to demonstrate the sternum on a patient whose thorax measures 30cm
12 degrees
16 degrees
19 degrees
22 degrees
The area between the two lungs is termed the
carina
thorax
mediastinum
pleural space
Where does the trachea lie in relation to the esophagus
posterior
anterior
to the left
to the right
After entering the hilum, each primary bronchus divides. How many primary branches are in the right lung
two
three
four
five
The lungs are composed of a light, spongy substance called the
pleura
bronchioles
parenchyma
serous membrane
The part of the lung that extends above the clavicle is termed the
apex
base
hilum
lingula
What is the name of the double-walled serous membrane sac that encloses the lung
lingula
pleura
pleura cavity
costodiaphragmatic recess
What is the most optimal position of the patient for the examinations of the heart and lungs
prone
supine
upright
decubitus
Why is the left lateral chest position the most commonly used for lateral radiographs of the chest
less chance of body rotation
patients heart is closer tot he IR
there is greater magnification of the heart
easier to visualize interlobar fissure
The presence of gas or air in the pleural cavity is termed
pneumonias
pneumothorax
pneumomediastinum
pneumopericardium
Which of the following exposure techniques is required to penetrate all of the thoracic anatomy
low kVp
high kVp
short exposure time
long exposure time
How many ribs should be visible above the diaphragm on a PA chest radiograph
9
10
11
12
Which plane must be accurately parallel with the IR to prevent distortion of the thoracic structures during a lateral chest radiograph
coronal plane
horizontal plane
transverse plane
midsagittal plane
If a patient cannot be placed in the lordotic position for radiography of the pulmonary apices, what is the central-ray angle that can be used to project the clavicles above the apices?
5 to 10 degrees caudad
5 to10 degrees cephalad
15 to 20 degrees caudad
15 to 20 degrees cephalad
How is the central-ray positioned for an x-ray projection done with the patient placed in a decubitus position?
vertical
horizontal
transverse
longitudinal
How long should the patient remain in position before making the exposure when performing a projection in the lateral or dorsal decubitus position
1 minute
2 minutes
5 minutes
10 minutes
If the lateral decubitus position is used to demonstrate free air in the pleural cavity, on which side must the patient lie?
affected side
unaffected side
either side
If the lateral decubitus position is used to demonstrate fluid in the pleural cavity, on which side must the patient lie?
affected side
unaffected side
either side
What is the patient position for the lateral projection done in the dorsal decubitus position?
seated
standing
prone
supine
Oxygen and carbon dioxide are exchanged by diffusion within the
alveoli
alveolar duct
bronchioles
terminal bronchioles
