Radyoloji 1-60

Arda Emre HAN · 76問 · 2年前

通報

問題一覧

What color are the bones and other calcified structures in X ray?

White

Which radiology method is used during cardiac catheterization procedure?

fluoroscopy

Which radiology method is used during placement of intravenous catheters?

fluoroscopy

How does CT scanning of the body usually take?

between 5-30 minutes

Which contrast materials are used in CT?

iodinated contrast

T1-weighted and T2-weighted terminology are used in

MRI

Which contrast agent is used in MRI?

paramagnetic contrast agent

How do gadolinium-enhanced tissues appear on T1-weighted images?

bright

How does gadolinium-enhanced fluid appear on T1-weighted images?

bright

Which method in radiology is used for detection of stenosis of carotid arteries?

Doppler ultrasound

Which method in radiology is used for detection of occlusion of carotid arteries?

Doppler ultrasound

Which method in radiology is used for assessing tumor blood flow?

Doppler ultrasound

Which method in radiology is used for determine fetal blood flow?

Doppler ultrasound

Hyperthermia and hypothermia terminology are used in

thermography

Which radiopharmaceuticals ideally suited for tumor imaging in PET scan?

18F‐ 2‐ deoxy‐ d‐ glucose

Which radioisotope is used for investigation of bone metabolism?

Ca-47

Which radioisotope is used for investigation of brain tumor?

C-11

Which radioisotope is used for investigation of thyroid gland?

I-123

Which radioisotope is used for investigation of lung diseases?

Kr-81

Which radioisotope is used for investigation of renal diseases

Tc-99m

During PET uptake of radiopharmaceuticals is known to be proportional to

tumor aggressiveness and growth rates

During PET radiopharmaceuticals uptake ratio of <2.5 is considered indicative of

a benign lesion

Which of them is appropriate for X-ray protection?

Shielding

What is duplex sonography?

Combined use of dopplerography and sonography

Which radiopharmaceuticals are used in positron emission tomography?

positron emitting isotopes

In what method of radiation diagnostics is the half live period of a radionuclide important?

radioisotope diagnostics

What rays are used in computed tomography?

X rays

In what examination, paramagnetic contrast agents are used?

MRI

What method can measure cardiac output or left to right shunts

Doppler echocardiography

When the X-ray beams were discovered?

1895

What method is used to obtain information about the blood flow velocity through the heart valves?

Doppler echocardiography

How does the intensity of X- rays depend on the distance?

inversely proportional from square of the distance

What method can detect and quantify valvular regurgitation of the heart?

Doppler echocardiography

Which factor is important for the passage ability of X-ray beams? 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

What is radiography?

production image of the body on film

Which of the following absorbs more x-ray beams?

bone

What is the main advantage of Fluoroscopy?

Gives the opportunity to study the function of organs

Which technique is used for catheterization of vessels on angiography?

Seldinger

What is fluorography?

mass-preventive X-ray examination method

The main contraindication to magnetic resonance imaging?

the presence in the patient’s body metallic foreign bodies

Which rays used in the Thermography?

infrared rays

Which part of the CT scan machine has the X ray source?

cylindrical gantry

What area especially is studied with using ultrasound M mode?

Heart

What property of radioactive substances is particularly important in radionuclide studies?

The half life time

The principle of MRI is based on the influence of magnetic field on this element. Name it?

hydrogen

By what factors is characterized the image in MRI?

The proton density and the relaxation time

What is the Duplex sonography?

The combined use of Doppler and sonography

How much is density of lungs on computed tomography

-650-850

Which of the following is a method of contrast study of cerebral vessels?

Angiography

Which of the following methods is particularly informative in diagnosis for diseases of the brain?

MRI

Which of the following methods is effective for imaging of the neonatal brain?

Sonography

Which of the following is particularly informative in the diagnosis of recurrent lung cancer?

positron emission tomography

Which factor is important for passage ability of X- rays

wavelength

Which factor is important for passage ability of X- rays?

density and atomic weight of organ

Who did give information about the biological effect of X rays for the first time?

V. C. Roentgen

What is the principle of fluorography

the photographing of image in small sizes from the monitor

By what method you can get information about the venous thrombosis, arterial stenosis and occlusion?

Doppler

Which relaxation times exist in MRI examination?

T1 and T2

How can we determine the biological chemicals of substances?

magnetic resonance spectroscopy

Which method allows you to get a better picture of soft tissues?

MRI

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1-20

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20-40

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Epi 91-123

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97-112

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44-86

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87-130

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biyokimya 170

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mikrop 11-15

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biyofiz 125

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50-100

50-100

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sinav

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patanat

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Patanat son 60

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1-42

1-42

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umumi cerrahi

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derma 60-90

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derma 90-120

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radyo ilk 10

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patfiz 400-460

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genel cerrah ets 1-50

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deri 50-100

deri 50-100

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son

son

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emre

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