問題一覧
1
What color are the bones and other calcified structures in X ray?
White
2
Which radiology method is used during cardiac catheterization procedure? (p 8)
fluoroscopy
3
Which radiology method is used during placement of intravenous catheters? (p 8)
fluoroscopy
4
How does CT scanning of the body usually take?
between 5-30 minutes
5
Which contrast materials are used in CT?
iodinated contrast
6
T1-weighted and T2-weighted terminology are used in
MRI
7
Which contrast agent is used in MRI?
paramagnetic contrast agent
8
How do gadolinium-enhanced tissues appear on T1-weighted images?
bright
9
How does gadolinium-enhanced fluid appear on T1-weighted images?
bright
10
Which method in radiology is used for detection of stenosis of carotid arteries? (p 16)
Doppler ultrasound
11
Which method in radiology is used for detection of occlusion of carotid arteries? (p 16)
Doppler ultrasound
12
Which method in radiology is used for assessing tumor blood flow?
Doppler ultrasound
13
Which method in radiology is used for determine fetal blood flow?
Doppler ultrasound
14
Hyperthermia and hypothermia terminology are used in
thermography
15
Which radiopharmaceuticals ideally suited for tumor imaging in PET scan? (p 42)
18F‐ 2‐ deoxy‐ d‐ glucose
16
Which radioisotope is used for investigation of bone metabolism?
Ca-47
17
Which radioisotope is used for investigation of brain tumor?
C-11
18
Which radioisotope is used for investigation of thyroid gland?
I-123
19
Which radioisotope is used for investigation of lung diseases?
Kr-81
20
Which radioisotope is used for investigation of renal diseases
Tc-99m
21
During PET uptake of radiopharmaceuticals is known to be proportional to (p 42)
tumor aggressiveness and growth rates
22
During PET radiopharmaceuticals uptake ratio of <2.5 is considered indicative of (p 42)
a benign lesion
23
Which of them is appropriate for X-ray protection?
Shielding
24
What is duplex sonography?
Combined use of dopplerography and sonography
25
Which radiopharmaceuticals are used in positron emission tomography? (p 19,42)
positron emitting isotopes
26
In what method of radiation diagnostics is the half live period of a radionuclide important? (p 18)
radioisotope diagnostics
27
What rays are used in computed tomography?
X rays
28
In what examination, paramagnetic contrast agents are used?
MRI
29
What method can measure cardiac output or left to right shunts
Doppler echocardiography
30
When the X-ray beams were discovered? (P 1)
1895
31
What method is used to obtain information about the blood flow velocity through the heart valves? (p 44)
Doppler echocardiography
32
How does the intensity of X- rays depend on the distance? (p 2)
inversely proportional from square of the distance
33
What method can detect and quantify valvular regurgitation of the heart? (p 44)
Doppler echocardiography
34
Which factor is important for the passage ability of X-ray beams?(p 3) 1) wavelength of rays 2) season 3) the patient's age 4) sex of the patient 5) density and atomic weight of substances
1,5
35
What is radiography?(p 8)
production image of the body on film
36
Which of the following absorbs more x-ray beams?(p 3)
bone
37
What is the main advantage of Fluoroscopy?(p 9)
Gives the opportunity to study the function of organs
38
Which technique is used for catheterization of vessels on angiography? (p 44)
Seldinger
39
What is fluorography? (p 10)
mass-preventive X-ray examination method
40
The main contraindication to magnetic resonance imaging? (p 13)
the presence in the patient’s body metallic foreign bodies
41
Which rays used in the Thermography? (p 17-18)
infrared rays
42
Which part of the CT scan machine has the X ray source? (p 11)
cylindrical gantry
43
What area especially is studied with using ultrasound M mode? (p 44)
Heart
44
What property of radioactive substances is particularly important in radionuclide studies? (p 18)
The half life time
45
The principle of MRI is based on the influence of magnetic field on this element. Name it? (p 13)
hydrogen
46
By what factors is characterized the image in MRI? (p 13)
The proton density and the relaxation time
47
What is the Duplex sonography?
The combined use of Doppler and sonography
48
How much is density of lungs on computed tomography (p 21)
-650-850
49
Which of the following is a method of contrast study of cerebral vessels? (p 9)
Angiography
50
Which of the following methods is particularly informative in diagnosis for diseases of the brain? (p 13)
MRI
51
Which of the following methods is effective for imaging of the neonatal brain? (p 15)
Sonography
52
Which of the following is particularly informative in the diagnosis of recurrent lung cancer? (p 42)
positron emission tomography
53
Which factor is important for passage ability of X- rays (p 3)
wavelength
54
Which factor is important for passage ability of X- rays? (p 3)
density and atomic weight of organ
55
Who did give information about the biological effect of X rays for the first time? (p 4)
V. C. Roentgen
56
What is the principle of fluorography (p 10)
the photographing of image in small sizes from the monitor
57
By what method you can get information about the venous thrombosis, arterial stenosis and occlusion?(p 16)
Doppler
58
Which relaxation times exist in MRI examination? (p 13)
T1 and T2
59
How can we determine the biological chemicals of substances?
magnetic resonance spectroscopy
60
Which method allows you to get a better picture of soft tissues? (p 74)
MRI
61
Which method is used in the diagnosis of ischemic heart disease? (p 45)
Myocardial perfusion ssintigraphy
62
The method of thermography is
harmless and non-invasive
63
Which method is effective for brain examination? (p 13)
MRI
64
In which cases on X-ray filling defect is visible? (p 54)
Tumors
65
With the discovery of which rays did the science of radiology begin? (p 1)
X-rays
66
What does +1000 on the Hounsfield scale show? (p 12)
Bone tissue
67
What does -1000 on the Hounsfield scale mean? (p 12)
Air structure
68
What does 0 on the Hounsfield scale mean? (p 12)
Water
69
What is a transducer? (p 15)
Part of the ultrasound machine
70
What is Scheldinger (Seldinger) technology? (p 44)
Injection of contrast agent into the femoral artery during angiography
71
Diagnostic method for determining bone density:
Densitometry
72
What part of the body can be examined during densitometry?
lumbar spine and over the upper part of the hip
73
Which of the following methods does not belong to diagnostic radiology?
electroencephalography
74
Which one is the basic X ray method? (p 8)
radiography
75
Where we produce X rays? (p 2)
X ray tube
76
What is the translucent organ on X ray film: (p 8)
lungs
77
For conducting which examination does Seldinger's technique is used? (p 45)
angiography
78
What are the basic principles of protection from X-ray in medical practice: (p 5-6) 1) time 2) healthy diet 3) shielding 4) fluid intake 5) distance
1,3,5
79
What is the disadvantage of fluoroscopy? (p 9)
radiation dose is more than radiography
80
What terms are used in the analysis of radiography? (p 8)
shadow and transparent areas
81
What is the Urography? (p 9)
image of the kidneys and bladder
82
Which contrast are used for urography? (p 9)
iodine-containing contrast
83
Which method in radiology use Hounsfield scale? (p 12)
Computed tomography
84
What is main advantage of MRI? (p 13)
no radiation method
85
What is the contraindication to MRI examination? (p13)
pacemakers
86
Where we use gamma cameras? (p 21)
Radionuclide scanning
87
Which examination can be used to obtain optimal information about stenosis of arteries?
Doppler method
88
What is main advantage of ultrasonography? (p 16)
no radiation method
89
In which diseases the local temperature is increased in thermographic examination?
breast cancer
90
In which diseases the local temperature is increased in thermographic examination?
acute inflammatory diseases
91
Which examination method is more effective to identify mediastinal lymph nodes metastases? (p 40)
CT
92
In which instrumental examination is " Hounsfield scale " is used? (p 12)
CT
93
If a structure absorbs more X-rays, then in that image: (p 8)
appears as a shadow
94
What factors characterize MRI images? (p 13)
Proton density and relaxation time
95
What areas are studied by dopplerography?
Blood vessels
96
Magnetic resonance imaging examination is particularly important in which of the following diseases? (p 13)
in brain diseases
97
What are soft X-rays? (p 2)
long wavelengths X rays
98
What are hard X-rays? (p 2)
short wavelengths X rays
99
What is the thickness of the layers in the computer tomography examination? (p 12)
1-10 mm
100
Which radiological method is the first line for detecting solid organ injury after trauma? (12)
computed tomography