Deck 3: Radiographic Positioning

Question 1

Which of the following is true of the typical technical protocol for a PA chest film?

A) Low kVp, producing a short scale of contrast
B) High kVp, producing a short scale of contrast
C) High kVp, producing a long scale of contrast
D) Low kVp, producing a long scale of contrast

Answer 1

High kVp, producing a long scale of contrast

Question 2

Which of the following best describes the correct film placement for an above-the-diaphragm bilateral rib injury?

A) Transverse with bottom of film at level of crest.
B) Vertical with bottom of film at level of crest.
C) Transverse with top of film 1.5 inches above the V.P.
D) Vertical with top of film 1.5 inches above the V.P.

Answer 2

Transverse with top of film 1.5 inches above the V.P.

Question 3

Which of the following lumbar spine views best demonstrates the left pars interarticularis?

A) RPO
B) LAO
C) LPO
D) Lateral

Answer 3

LPO

Question 4

Which of the following will better demonstrate the lower intervertebral disc spaces on an AP radiograph of the cervical spine?

A) Direct the central ray perpendicular to the plane of the film
B) Direct the central ray 15 degrees cephalically
C) Take flexion-extension views
D) Direct the central ray 15 degrees caudally

Question 5

The breathing instruction for the AP thoracic is which of the following?

A) Suspend breathing on full expiration
B) Breathe in continuously throughout the exposure
C) Suspend breathing on full inspiration
D) Breathe out quickly on initiation of the exposure

Question 6

Which of the following describes the correct setup for an AP thoracic radiograph using conventional film/screen technology?

A) 7- x 17-inch film size, compensating filtration, 40-inch source to image distance
B) 14- x 17-inch film size, compensating filtration, 40-inch source to image distance
C) 7- x 17-inch film size, tube tilt, 40-inch source to image distance
D) 14- x 17-inch film size, tube tilt, 40-inch source to image distance

Question 7

What are the routine views for a lumbar spine series?

A) AP, lateral, and L5-S1 spot
B) AP, lateral, oblique and sacral base
C) AP, lateral, and oblique
D) AP and lateral

Question 8

The standard tube tilt required on the AP sacrum view is __________________.

A) 15 degrees
B) 20 degrees
C) 25 degrees
D) 30 degrees

Question 9

From which of the following is the angle used in the nasium view obtained?

A) The angle of the atlas plane line as seen on the lateral view
B) Using the template on the APOM view
C) The angle of the hard palate and external occipital protuberance
D) The angle of the atlas plane line as seen on the AP view

Question 10

What film size is routinely used for the AP cervical projection with conventional film/screen technology?

A) 8- x 10-inch, placed horizontally
B) 8- x 10-inch, placed vertically
C) 10- x 12-inch, placed vertically
D) 10- x 12-inch, placed horizontally

Question 11

Where is the central ray placed for a dorsoplantar projection of the foot?

A) Middle of the phalanges
B) Proximal end of the third metatarsal
C) Middle of the talus
D) Proximal end of the tarsal

Question 12

Which of the following radiographic projections requires an 8- x 10-inch film size, 40-inch focal film distance, cephalic tube tilt with the central ray entering 1-inch below the chin, and a bucky tilt of 45 degrees?

A) Vertex
B) Base posterior
C) AP open mouth
D) Nasium

Question 13

When taking a PA chest x-ray, the patient's shoulders are rolled forward to __________.

A) bring the heart closer to the film
B) elevate the sternum
C) abduct the scapulae from the lung field
D) elevate the clavicles

Question 14

Which of the following radiographic views requires that the patient's leg is fully extended and internally rotated until the interalveolar line is parallel to the film?

A) Oblique foot
B) AP hip
C) AP ankle
D) Oblique ankle

Question 15

Which of the following best describes the typical protocol of an AP cervical radiographic examination using conventional film/screen technology?

A) Collimate to soft tissue, 15 degrees caudal tube tilt, 8- x 10-inch film
B) Collimate to film size, no tube tilt, 8- x 10-inch film
C) Collimate to film size, 15 degrees cephalic tube tilt, 10- x 12-inch film
D) Collimate to soft tissue, 15 degrees cephalic tube tilt, 8- x 10-inch film

Question 16

Which of the following statements best describes the positioning of the central ray in setup for an AP open mouth view?

A) Parallel with the plane of the body of the mandible and the base of the occiput
B) Parallel with the plane of the body of the mandible and the external occipital protuberance
C) Parallel with the plane of the body of the mandible and the bottom of the ear
D) Parallel with the plane of the upper occlusal plate and the base of the occiput

Question 17

Which oblique radiographs will visualize the right intervertebral foramen?

A) LPO and RAO lumbar
B) RPO and LAO cervical
C) RPO and LAO lumbar
D) LPO and RAO cervical

Question 18

With which of the following circumstances is a lateral lumbosacral spot film needed?

A) The lumbosacral area is not accommodated by the central ray.
B) The lumbosacral area is underexposed.
C) The lumbosacral area is overexposed.
D) The lumbosacral area is magnified.

Question 19

Which of the following criteria apply to the posterior cervical oblique view?

A) Bucky technique, 10- x 12-inch film size, caudal tube tilt
B) Non-bucky technique, 8- x 10-inch film size, cephalic tube tilt
C) 8- x 10-inch film size, 72-inch source to image distance, supplemental filtration
D) Bucky technique, 72-inch source to image distance, cephalic tube tilt

Question 20

On a lateral chest x-ray, which of the following should not be visualized?

A) Anterior and posterior chest walls
B) Thoracic spine
C) Diaphragm
D) Iliac crest

Question 21

Which view best demonstrates the sella turcica?

A) Lateral cervical
B) PA Caldwell
C) Lateral skull
D) Townes

Question 22

On a lateral lumbar radiograph, where should the cross-hairs of the light field be placed?

A) 1 inch above crest, halfway between ASIS and PSIS
B) 1 inch below crest, halfway between the ASIS and PSIS
C) 1 inch above crest, 1 inch lateral to the spinous process
D) 1 inch above crest, 1 inch posterior to the ASIS

Question 23

Which of the following describes the correct setup for a lateral cervical spine radiograph?

A) 72-inch focal film distance, 8- x 10-inch cassette, any spinal curve toward bucky, central ray through mastoid process
B) 72-inch focal film distance, 8- x 10-inch cassette, any spinal curve away from bucky, central ray horizontal through mastoid process
C) 72-inch focal film distance, 10- x 12-inch cassette, any spinal curve toward bucky, central ray through mastoid process
D) 72-inch focal film distance, 8- x 10-inch cassette, any spinal curve toward bucky, central ray through C3-C4

Question 24

The patient is recumbent in an oblique position, with his or her anterior iliac crest against the bucky. The central ray is perpendicular to the film, 1 inch above the crest with the vertical ray passing 1 inch lateral to the spinous process. The left pars interarticularis is demonstrated. This view is an ________________________.

A) LAO
B) LPO
C) RAO
D) RPO

Question 25

Of the following cervical views, which would best demonstrate atlas rotation?

A) AP lower cervical
B) Nasium
C) Base posterior
D) Cervical flexion

Question 26

At times, a positioning error of the wrist may give a false appearance of a dislocated scaphoid. How should the wrist be placed during the PA view to avoid this problem?

A) In radial deviation
B) In a neutral posture
C) In slight wrist flexion
D) In ulnar deviation

Question 27

Left lateral chest views are routinely performed to __________.

A) reduce cardiac magnification
B) reduce the need for lateral thoracic radiographs
C) reduce costophrenic angle distortion
D) reduce retrocardiac space

Question 28

Compensating filtration is routinely employed on all of the following views except which of the following?

A) Lateral thoracic view
B) AP thoracic view
C) Nasium view
D) Lateral cervical view

Question 29

Which of the following criteria apply to the standard procedures for the AP coccyx projection?

A) 15-degree caudal tube tilt, 10- x 12-inch film size, central ray enters 2 inches below pubis
B) 10-degree caudal tube tilt, 8- x 10-inch film, central ray enters 2 inches above pubis
C) 10-degree cephalic tube tilt, 8- x 10-inch film central ray enters 2 inches below pubis
D) 10-degree cephalic tube tilt, 8- x 10-inch film, central ray enters 2 inches above pubis

Question 30

Which statement is correct concerning the Homblad position?

A) A central ray enters the popliteal fossa with a 45-degree caudal tube tilt.
B) A central ray enters the popliteal fossa with no tube tilt.
C) A central ray enters the popliteal fossa with a 5-degree cephalic tube tilt.
D) A central ray enters the popliteal fossa with a 20- to 25-degree cephalic tube tilt.

Question 31

Which of the following views would be most useful in evaluating for small pleural effusions by demonstrating fluid in the pleural space?

A) PA chest
B) AP lordotic view
C) Lateral thoracic
D) Lateral decubitus chest

Question 32

In the AP lumbopelvic view, the heart-shaped female gonad shield should be placed ___________________________________________.

A) with the widest portion of the shield at the level of the patient's iliac crests
B) with the tip of the shield located inferior to the patient's pubic symphysis
C) with the widest portion of the shield just medial and inferior to the anterior superior iliac spines (ASIS) of the patient
D) With the widest portion of the shield placed 1 inch above the crest

Question 33

The Caldwell view best demonstrates which of the following?

A) Occipital bone
B) Frontal bone
C) Sphenoid bone
D) Temporal bone

Question 34

Recumbent radiography does which of the following?

A) Increases scatter radiation
B) Results in more even penetration
C) Decreases contrast
D) Increases image noise

Question 35

An AP axial clavicle requires which of the following?

A) 5-degree caudal
B) 5-degree cephalic tube tilt
C) 15-degree cephalic tube tilt
D) 15-degree caudal tube tilt

Question 36

Which of the following is true concerning a lateral thoracic view?

A) Compensating filtration, 72-inch focal film distance, 14- x 17-inch film size
B) Compensating filtration, 40 inch focal film distance, 14- x 17-inch film size
C) 14- x 17-inch film size, 40-inch focal film distance, top of film 11/2 inches below VP
D) Top of film 11/2 inches above VP, 40-inch focal film distance, 10- x 12-inch film size

Question 37

Which of the following is included in the standard procedures of a unilateral AP hip projection?

A) Film size 10 x 12 inches, 40-inch source-to-image distance, leg is internally rotated 15 degrees
B) Collimation to 8- x 10-inch field, suspended expiration, use of a grid, 40-inch source-to-image distance
C) 14- x 17-inch film, suspended expiration, 72-inch source-to-image distance
D) Tube tilt of 5 degrees cephalic, 40-inch source-to-image distance

Question 38

According to the "10-day rule," when would be the 10-day optimum period to perform a lumbopelvic x-ray series on a 30-year-old female?

A) Ten days after her menstrual period
B) The beginning of the 14th day of her menstrual period
C) Within the 10 days following onset of her menstrual period
D) The beginning of the 14th day of the month

Question 39

The central ray for the AP knee is which of the following?

A) 5-Degree caudal tube tilt entering 11/2 inches below the apex of the patella
B) 5-degree cephalic tube tilt entering 11/2 inches below the apex of the patella
C) 5-degree cephalic tube tilt entering 1/2 inch below the apex of the patella
D) 5-degree caudal tube tilt entering 11/2 inches below the apex of the patella

Question 40

Which description of rib views is considered routine for a presenting complaint of right anterior rib pain and trauma sufficient to cause fracture?

A) AP, RPO, PA chest
B) PA, RPO, PA chest
C) PA, LPO, lateral
D) PA, LPO, PA chest