Week 7 Comprehensive Radiology Review

Front 1

Which of the following articulations participate in the formation of the elbow joint?

1. Between the humeral trochlea and the semilunar/trochlear notch

2. Between the capitulum and the radial head

3. The proximal radioulnar joint

Back 1

1, 2, and 3

Front 2

Compton scatter is most likely to occur
1. in structures having a high atomic number.
2. during radiographic examination of the abdomen.
3. using high kV and low mAs exposure factors.

Back 2

2 and 3 only

Front 3

Which of the following can be used to demonstrate the intercondyloid fossa?
1. Patient PA, knee flexed 40°, central ray directed caudad 40° to the popliteal fossa
2. Patient AP, cassette under flexed knee, central ray directed cephalad to knee, perpendicular to tibia
3. Patient PA, patella parallel to IR, heel rotated 5° to 10° lateral, central ray perpendicular to knee joint

Back 3

1 and 2 only

Front 4

The esophagus commences at about the level of
A. C3.
B. C6.
C. T1.
D. T11.

Back 4

B.
C6.

Front 5

The amount of time that x-rays are being produced and directed toward a particular wall is referred to as the
A.
workload.
B.
use factor.
C.
occupancy factor.
D.
controlling factor.

Back 5

B.
use factor.

Front 6

Which of the following radiologic examinations can demonstrate ureteral reflux?
A.
IV urogram
B.
Retrograde pyelogram
C.
Voiding cystourethrogram
D.
Nephrotomogram

Back 6

C.
Voiding cystourethrogram

Front 7

The apophyseal articulations of the thoracic spine are demonstrated with the
A.
coronal plane 45° to the IR.
B.
midsagittal plane 45° to the IR.
C.
coronal plane 70° to the IR.
D.
midsagittal plane 70° to the IR.

Back 7

C.
coronal plane 70° to the IR.

Front 8

Which of the following positions may be used to effectively demonstrate the hepatic flexure during radiographic examination of the large bowel?
1. RAO
2. LAO
3. LPO

Back 8

1 and 3 only

Front 9

Which of the following is (are) symptom(s) of shock?
1. Pallor and weakness
2. Increased pulse
3. Fever

Back 9

1 and 2 only

Front 10

Which type of dose–response relationship expresses radiation-induced leukemia?
A.
Nonlinear, nonthreshold
B.
Nonlinear, threshold
C.
Linear, nonthreshold
D.
Linear, threshold

Back 10

c

Front 11

Which of the following may be used to evaluate the glenohumeral joint?
1. Scapular Y projection
2. Inferosuperior axial
3. Transthoracic lateral

Back 11

1, 2, and 3

Front 12

An esophagogram might be requested for patients with which of the following esophageal disorders/symptoms?
1. Varices
2. Achalasia
3. Dysphasia

Back 12

1 and 2 only Dysphasia is a speech impairment resulting from a brain lesion; it is unrelated to the esophagus. Dysphagia refers to difficulty swallowing and is the most common esophageal complaint.

Front 13

Which of the following vertebral groups form(s) lordotic curve(s)?
1. Cervical
2. Thoracic
3. Lumbar

Back 13

1 and 3 only

Front 14

A spinning top device can be used to evaluate
1. timer accuracy.
2. rectifier failure.
3. the effect of kVp on contrast.

Back 14

1 and 2 only

Front 15

The interaction between x-ray photons and tissue that is responsible for radiographic contrast but that also contributes significantly to patient dose is
A.
the photoelectric effect.
B.
Compton scatter.
C.
coherent scatter.
D.
pair production.

Back 15

A.
the photoelectric effect.

Front 16

An increase in kVp will have which of the following effects?
1. More scattered radiation will be produced.
2. The exposure rate will increase.
3. Radiographic contrast will increase.

Back 16

1 and 2 only

Front 17

A part whose width is 6 inches will be imaged at 44 inches SID. The part to be imaged lies 9 inches from the IR. What will be the projected image width of the part?
A.
8 inches
B.
10 inches
C.
12 inches
D.
20 inches

Back 17

A.
8 inches

Front 18

The AP axial projection, or "frog leg" position, of the femoral neck places the patient in a supine position with the affected thigh
A.
adducted 25° from the horizontal.
B.
abducted 25° from the vertical.
C.
adducted 40° from the horizontal.
D.
abducted 40° from the vertical.

Back 18

D.
abducted 40° from the vertical.

Front 19

A drug's chemical name is called its
A.
generic name.
B.
trade name.
C.
brand name.
D.
proprietary name.

Back 19

A.
generic name.

Front 20

Which of the following will improve the spatial resolution of image-intensified images?
1. A very thin coating of cesium iodide on the input phosphor
2. A smaller-diameter input screen
3. Increased total brightness gain

Back 20

1 and 2 only

Front 21

* 3.A1 List the responsibility of each of the following members of the training organizational structure: Chief of Naval Operations (CNO); Naval Manpower, Personnel, Training and Education (MPT&E); Naval Education and Training Command (NETC); Naval Personnel Development Center (NPDC); Learning Centers; Course Curriculum Model Manager (CCMM); and the Participating Activity.

Back 21

CNO - improves the quality of military & civilian workforce through changes affecting recruitment, training & quality of life.
MPT&E -
NETC -
NPDC -
CCMM -

Front 22

Any images obtained using DXA bone densitometry

1. are used to evaluate accuracy of the ROI.
2. are used as evaluation for various bone/joint disorders.
3. reflect the similar attenuation properties of soft tissue and bone.

Back 22

1 only

Front 23

The use of which of the following intensifying screen phosphor materials can help in reducing patient dose?

1. Calcium tungstate
2. Gadolinium
3. Lanthanum

Back 23

2 and 3 only

Front 24

Which of the following is (are) recommended when positioning the patient for a lateral projection of the chest?

1. The patient should be examined upright.
2. The shoulders should be depressed.
3. The shoulders should be rolled forward.

Back 24

1 only

Front 25

Exposure latitude will be reduced in which of the following situations?

1. Use of low kilovoltage technical factors

2. Use of slow film/screen combinations

3. Use of high-speed film

Back 25

1 and 3 only

Front 26

The use of which of the following is (are) essential in magnification radiography?

1. High-ratio grid
2. Fractional focal spot
3. Direct exposure film

Back 26

2 only

Front 27

Possible side effects of an iodinated contrast medium that is administered intravenously include all of the following except

A. a warm feeling.B. altered taste.C. nausea.D. hypotension.

Back 27

D. hypotension.

Front 28

The complete killing of all microorganisms is termed

A. surgical asepsis.B. medical asepsis.C. sterilization.D. disinfection.

Back 28

C. sterilization.

Front 29

All the following are posterior structures except

A. the linea aspera.B. the intertrochanteric line.C. the popliteal surface.D. the intercondyloid fossa.

Back 29

B. the intertrochanteric line

Front 30

What will result from using single-emulsion film in an image receptor having two intensifying screens?

A. Double exposureB. Decreased densityC. Increased recorded detailD. Greater latitude

Back 30

B. Decreased density

Front 31

Types of shape distortion include

1. magnification.
2. elongation.
3. foreshortening.

Back 31

2&3

Front 32

Endoscopic retrograde cholangiopancreatography (ERCP) usually involves

1. cannulation of the hepatopancreatic ampulla.
2. introduction of contrast medium into the common bile duct.
3. introduction of barium directly into the duodenum

Back 32

1 and 2 only

Front 33

Which of the following pathologic conditions would require an increase in exposure factors?

A. PneumoperitoneumB. Obstructed bowelC. Renal colicD. Ascites

Back 33

Ascites
With ascites, there is an abnormal accumulation of fluid in the abdominal cavity, necessitating an increase in exposure factors

Front 34

In the lateral projection of the ankle, the

1. talotibial joint is visualized.
2. talofibular joint is visualized.
3. tibia and fibula are superimposed.

Back 34

1 and 3 only

Front 35

To demonstrate the glenoid fossa in profile, the patient is positioned

A. 45° oblique, affected side up.B. 45° oblique, affected side down.C. 25° oblique, affected side up.D. 25° oblique, affected side down.

Back 35

B. 45° oblique, affected side

Front 36

Contrast changes window:

Back 36

width
changes histogram and exposure latitude

Front 37

Brightness changes window:

Back 37

level
curtain shade up and down.

Front 38

Bone window
Lung window
Soft tissue window change:
A. Width
B. Level

Back 38

A. Width
Applies raw data to different histograms

Front 39

Which of the following terms is used to describe unsharp edges of tiny radiographic details?

A. DiffusionB. MottleC. BlurD. Umbra

Back 39

C. Blur

Front 40

Which of the following statements is (are) correct with respect to evaluation criteria for a PA projection of the chest for lungs?

1. The sternoclavicular joints should be symmetrical.
2. The sternum is seen lateral without rotation.
3. Ten anterior ribs are demonstrated above the diaphragm.

Back 40

1 only

Front 41

An increase in the kilovoltage applied to the x-ray tube increases the

1. percentage of high-energy photons produced.
2. exposure rate.
3. patient absorption.

Back 41

1 and 2 only

Front 42

In which of the following positions/projections will the talocalcaneal joint be visualized?

A. Dorsoplantar projection of the footB. Plantodorsal projection of the os calcisC. Medial oblique position of the footD. Lateral foot

Back 42

b Plantodorsal projection of the os calcis

Front 43

The functions of the automatic processor's roller system include

1. film transport.
2. agitation.
3. squeegee action.

Back 43

1, 2, and 3

Front 44

The ethical principle that aspires never to, above all, do harm describes:

A. fidelityB. veracityC. nonmalficenceD. beneficence

Back 44

C. nonmalficence

Front 45

An increase in the kilovoltage applied to the x-ray tube increases the

1. x-ray wavelength.
2. exposure rate.
3. patient absorption.

Back 45

2 only

Front 46

Recorded detail depends on all the following except

1. quantity of filtration.

2. anode angle.

3. intensification factor of screens.

Back 46

1 only

Front 47

Which of the following is (are) composed of nondividing, differentiated cells?

1. Neurons and neuroglia
2. Epithelial tissue
3. Lymphocytes

Back 47

1. Neurons and neuroglia

Front 48

Which of the following statements is (are) true regarding the PA axial projection of the cranium?

1. The central ray is directed caudally to the OML.
2. The petrous pyramids are projected into the lower third of the orbits.
3. The frontal sinuses are visualized.

Back 48

1, 2, and 3

Front 49

Capacitor discharge mobile x-ray units use capacitors to power the

1. the x-ray tube.
2. machine locomotion.
3. the braking mechanism.

Back 49

1 only

Front 50

Which of the following occurs during Bremsstrahlung radiation production?

A. An electron makes a transition from an outer to an inner electron shell.B. An electron approaching a positive nuclear charge changes direction and loses energy.C. A high-energy photon ejects an outer-shell electron.D. A low-energy photon ejects an inner-shell electron.

Back 50

An electron approaching a positive nuclear charge changes direction and loses energy.

Front 51

RAO scottie dogs face
A. Right
B. Left

Back 51

B. Left

Front 52

RPO scottie dogs face
A. Right
B. Left

Back 52

A. Right
posterior oblique scottie dogs face side closest to IR

Front 53

Which of the following articulations participate in the formation of the elbow joint?

1. Between the humeral trochlea and the semilunar/trochlear notch

2. Between the capitulum and the radial head

3. The proximal radioulnar joint

Back 53

1, 2, and 3

Front 54

Compton scatter interaction between x-ray photons and matter illustrated in the figure below is most likely to occur
1. in structures having a high atomic number.
2. during radiographic examination of the abdomen.
3. using high kV and low mAs exposure factors.

Back 54

2 and 3 only

Front 55

Which of the following can be used to demonstrate the intercondyloid fossa?

1. Patient PA, knee flexed 40°, central ray directed caudad 40° to the popliteal fossa
2. Patient AP, cassette under flexed knee, central ray directed cephalad to knee, perpendicular to tibia
3. Patient PA, patella parallel to IR, heel rotated 5° to 10° lateral, central ray perpendicular to knee joint

Back 55

1 and 2 only

Front 56

The esophagus commences at about the level of

A. C3.B. C6.C. T1.D. T11.

Back 56

B. C6.

Front 57

The amount of time that x-rays are being produced and directed toward a particular wall is referred to as the

A. workload.B. use factor.C. occupancy factor.D. controlling factor.

Back 57

B. use factor.

Front 58

Which of the following radiologic examinations can demonstrate ureteral reflux?

A. IV urogramB. Retrograde pyelogramC. Voiding cystourethrogramD. Nephrotomogram

Back 58

C. Voiding cystourethrogram

Front 59

The apophyseal articulations of the thoracic spine are demonstrated with the

A. coronal plane 45° to the IR.B. midsagittal plane 45° to the IR.C. coronal plane 70° to the IR.D. midsagittal plane 70° to the IR.

Back 59

C. coronal plane 70° to the IR