Radio Flashcards

1
Q

Criteria for an Ideal Chest radiograph, EXCEPT: * not included

6 feet target-film distance
Upright
Full/ Mid inspiration
Anteroposterior view

A

Anteroposterior view

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2
Q

Most scattered radiation
encountered in diagnostic radiology *

Coherent effect
Rayleigh/classical scattering
Photoelectric effect
Compton effect

A

Compton effect

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3
Q

True of Persistent Truncus Arteriosus: *

Decreased vascularity
Pulmonary venous congestion or edema is rare in Type 1
Cardiomegaly
Prominent right atrium

A

Cardiomegaly

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4
Q

True statement regarding the “Silhouette sign”: *

Visualization of the right cardiac border means the lesion is located anterior (e.g. Right middle lobe)

Obliteration of the left cardiac border means the lesion is located anterior (e.g. Lingula)
It helps in localizing intrapleural lesions

It helps in localizing intrapleural lesions

Obliteration of the right cardiac border means the lesion is located posterior (e.g. Right lower lobe)

A

Obliteration of the left cardiac border means the lesion is located anterior (e.g. Lingula)

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5
Q

Direct signs of atelectasis, EXCEPT: *

Deviation of the fissure
Increased opacification
Shifting of the mediastinal structures
Crowding of the lung markings

A

Shifting of the mediastinal structures

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6
Q

Radiologic representing
lucencies within the opacified lung denoting air space disease *

Murphy’s sign
Angel wing sign
Atoll sign
Air bronchogram sign

A

Air bronchogram sign

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7
Q

“Snowman appearance” in chest x-ray: *

Type II TAPVR
Type I TAPVR
Type III TAPVR
Mixed Type TAPVR

A

Type I TAPVR

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8
Q

statement regarding Right Ventricular Enlargement *

Lateral bulging of the right heart border
Lateral and downward displacement of the cardiac apex
Retrosternal fullness
Double density

A

Retrosternal fullness

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9
Q

Number of segments in the right middle lobe *

1
4
2
3

A

2

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10
Q

Common
findings seen in primary infection of PTB, EXCEPT *

Adenopathies
Ghon focus
Fibrosis
Pleural effusion

A

Fibrosis

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11
Q

False statements when doing overview or overall glance at the film, EXCEPT: * true

Slight degrees of rotation obliquity do not affect the cardiac contour or apparent size
Under exposure may simulate the appearance of pulmonary congestion
Overexposure may simulate increased pulmonary blood flow
Should be in full expiration

A

Should be in full expiration

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12
Q

Condition that can usually show bilateral pleural effusion *

Renal failure
Pulmonary hemorrhage
Tumors
Lobar pneumonia

A

Renal failure

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13
Q

True of Atrial Septal Defect

Prominent aortic knob
Prominent left atrium and left ventricle
Decreased vascularity
Enlarged main and central pulmonary arteries

A

Enlarged main and central pulmonary arteries

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14
Q

Congenital heart disease with normal vascularity, EXCEPT: *

Coarctation of the Aorta
double check
Tetralogy of Fallot
Pulmonary Stenosis
Aortic Stenosis

A

Tetralogy of Fallot

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15
Q

True statements regarding the left lateral chest x-ray, EXCEPT:

Demonstrate disease not visible on the frontal image
Visualizes the apical regions of the lungs better than the apicolordotic view
Confirm the presence of a disease
Help in the determining the location of the disease

A

Visualizes the apical regions of the lungs better than the apicolordotic view

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16
Q

Basic units in radiation, EXCEPT: *

Sievert
Rad
Hertz
Gray

A

Hertz

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17
Q

The normal Cardio- Thoracic Ratio (CT ratio) in Adults is approximately

0.55
0.65
0.50
0.60

A

0.50

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18
Q

These are the segments of the left lower lobe of the lung, EXCEPT:

Lateral basal segment
Posterior basal segment
Anterior basal segment
Superior segment

A

Anterior basal segment

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19
Q

True statements regarding Ebstein’s Anomaly, EXCEPT:

Right atrial prominence
Marked cardiomegaly
“Balloon” or “box-shaped”
Increased vascularity

A

Increased vascularity

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20
Q

Maximum acceptable radiation exposure in pregnancy *

0.5 mGy
50 rads
5 rads
5 mGy

A

5 rads

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21
Q

Components of Tetralogy of Fallot, EXCEPT:

Large ventricular septal defect
Over-riding aorta
Dilated pulmonary valve
Right ventricular hypertrophy

A

Dilated pulmonary valve

22
Q

Increased vascularity, cardiomegaly, and enlarged systemic vein into which drainage occurs are seen in: *
Total Anomalous Pulmonary Venous Return (TAPVR) Pulmonary Stenosis
Persistent truncus arteriosus (PTA)
Tetralogy of Fallot (TOF)

A

Total Anomalous Pulmonary Venous Return (TAPVR)

23
Q

Iodinated contrast agents are used in these radiologic procedures, EXCEPT

Urography
Cystography
Ultrasonography
Angiography

A

Ultrasonography

24
Q

The total number protons and neutrons in the nucleus *

Atomic index
Atomic mass
Atomic number
Nuclear density
Other:

A

Atomic mass

25
Q

Real time radiographic visualization of moving anatomic structures utilizing continuous x-rays *

Magnetic Resonance Imaging
Ultrasonography
Computed tomography
Fluoroscopy

A

Fluoroscopy

26
Q

The normal Cardio-Thoracic Ratio (CT ratio) in the new born is approximately

0.65
0.50
0.60
0.55

A

0.65

27
Q

Condition that can usually show pleural effusion *

Liver cirrhosis
Renal failure
Myocardial infarction
Tumors

A

Tumors

28
Q

True statement regarding Left atrial Enlargement

Lateral and downward displacement of the cardiac apex
Retrosternal fullness
Double density

A

Double density

29
Q

True statements regarding Ventricular Septal Defect in radiographs, EXCEPT: *

Prominent aortic knob
Normal or small aorta
Enlarged main and central pulmonary arteries Normal or enlarged cardiac size
Increased vascularity

A

Prominent aortic knob

30
Q

True statements regarding pregnancy and radiation, EXCEPT: *

At 3-8 weeks radiation exposure organ malformation
Radiation risk is highest in the third trimester and lowest in the first trimester
In 1st two weeks radiation exposure has all or none effect
8-15 weeks CNS is most sensitive

A

Radiation risk is highest in the third trimester and lowest in the first trimester

31
Q

Congenital heart disease with decreased vascularity *
ASD
TOF
VSD
AV canal defect

A

TOF

32
Q

The apicoposterior segment of the lung is seen in: *

Left lower lobe
Right upper lobe
Right middle lobe
Left upper lobe

A

Left upper lobe

33
Q

“3” sign: *

Persistent truncus arteriosus
Total Anomalous Pulmonary Venous Return (TAPVR)
Tetralogy of Fallot
Coarctation of the Aorta

A

Coarctation of the Aorta

34
Q

The following are examples of air space disease, EXCEPT: *

Pulmonary edema
Pulmonary haemorrhage
Empyema thoracis
Pneumonia

A

Empyema thoracis

Note: AIR SPACE DISEASE
H – haemorrhage
E- edema
P – pneumonia
A- alveolar proteinosis

35
Q

Findings seen in pulmonary venous congestion, EXCEPT: *

Redistribution: equalization of the vascular markings
Perihilar haziness
Hilar lymphadenopathy
Peribronchial cuffing

A

Hilar lymphadenopathy

36
Q

Type of x-rays that is also termed “Braking radiation” *
E-shell x-rays
Auger electrons
Bremsstrahlung x-rays
K-shell characteristic x-rays

A

Bremsstrahlung x-rays

37
Q

Indirect signs of atelectasis, EXCEPT: *

Shifting of the mediastinal structures
Compensatory hyperinflation of the affected lung
Elevation of the diaphragm
Narrowing of the rib interspaces

A

Compensatory hyperinflation of the affected lung

38
Q

Year when X-rays was discovered *

1785
1995
1895
1685

A

1895

39
Q

. Non-cyanotic congenital heart disease exhibiting increased vascularity, EXCEPT: *

ASD
PTA
PDA
VSD

A

PTA

40
Q

“Snowman appearance in the chest AP/PA radiograph *

Total Anomalous Pulmonary Venous Return
Persistent Truncus Arteriosus Pulmonary stenosis
Ebstein’s anomaly

A

Total Anomalous Pulmonary Venous Return

41
Q

German physicist who accidentally discovered X-rays *
Albert Schweitzer
Konrad Adenauer
Wilhelm Roentgen
Voltaire Ramgen

A

Wilhelm Roentgen

42
Q

True statement regarding Left Ventricular Enlargement *

Retrosternal fullness
Double density
Lateral and downward displacement of the cardiac apex
Lateral bulging of the right heart border

A

Lateral and downward displacement of the cardiac apex

43
Q

Cyanotic congenital heart disease exhibiting increased vascularity: *

PTA
PDA
VSD
ASD

A

PTA

44
Q

Maximum acceptable radiation exposure in pregnancy *

5 rads
0.5 mGy
50 rads
5 mGy

A

5 rads

45
Q

Decreased vascularity, normal or enlarged cardiac size, right ventricular prominence and right sided aortic arch (in 20-25%) are seen in : *

Persistent truncus arteriosus (PTA)
Pulmonary Stenosis
Total Anomalous Pulmonary Venous Return (TAPVR)
Tetralogy of Fallot (TOF)

A

Tetralogy of Fallot (TOF)

46
Q

True statement regarding the normal frontal chest radiograph *

Normally, there is no air in the pleural space
Blood vessels branch and taper gradually from the peripheral margins of the lung towards the hila
Both the parietal pleura and the visceral pleura are normally visible
Bronchi are mostly visible

A

Normally, there is no air in the pleural space

47
Q

The number of protons in the nucleus of an atom and is unique for each element *

Atomic index
Mass number
Nuclear density
Atomic number

A

Atomic number

48
Q

One diagnostic modality that does not utilize radiation *

PET-CT
Ultrasonography
Computed tomography
Fluoroscopy

A

Ultrasonography

49
Q

True statement regarding Right Atrial Enlargement *

Lateral bulging of the right heart border
Retrosternal fullness
Double density
Lateral and downward displacement of the cardiac apex

A

Lateral bulging of the right heart border

50
Q

True statements regarding Patent Ductus Arteriosus in radiographs, EXCEPT: *

Normal or enlarged cardiac size
Enlarged main and central pulmonary arteries
Decreased vascularity
Prominent aortic knob

A

Decreased vascularity