Radyo ets

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? (p 8)

fluoroscopy

Which radiology method is used during placement of intravenous catheters? (p 8)

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? (p 16)

Doppler ultrasound

Which method in radiology is used for detection of occlusion of carotid arteries? (p 16)

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? (p 42)

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 (p 42)

tumor aggressiveness and growth rates

During PET radiopharmaceuticals uptake ratio of <2.5 is considered indicative of (p 42)

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? (p 19,42)

positron emitting isotopes

In what method of radiation diagnostics is the half live period of a radionuclide important? (p 18)

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? (P 1)

1895

What method is used to obtain information about the blood flow velocity through the heart valves? (p 44)

Doppler echocardiography

How does the intensity of X- rays depend on the distance? (p 2)

inversely proportional from square of the distance

What method can detect and quantify valvular regurgitation of the heart? (p 44)

Doppler echocardiography

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

What is radiography?(p 8)

production image of the body on film

Which of the following absorbs more x-ray beams?(p 3)

bone

What is the main advantage of Fluoroscopy?(p 9)

Gives the opportunity to study the function of organs

Which technique is used for catheterization of vessels on angiography? (p 44)

Seldinger

What is fluorography? (p 10)

mass-preventive X-ray examination method

The main contraindication to magnetic resonance imaging? (p 13)

the presence in the patient’s body metallic foreign bodies

Which rays used in the Thermography? (p 17-18)

infrared rays

Which part of the CT scan machine has the X ray source? (p 11)

cylindrical gantry

What area especially is studied with using ultrasound M mode? (p 44)

Heart

What property of radioactive substances is particularly important in radionuclide studies? (p 18)

The half life time

The principle of MRI is based on the influence of magnetic field on this element. Name it? (p 13)

hydrogen

By what factors is characterized the image in MRI? (p 13)

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 (p 21)

-650-850

Which of the following is a method of contrast study of cerebral vessels? (p 9)

Angiography

Which of the following methods is particularly informative in diagnosis for diseases of the brain? (p 13)

MRI

Which of the following methods is effective for imaging of the neonatal brain? (p 15)

Sonography

Which of the following is particularly informative in the diagnosis of recurrent lung cancer? (p 42)

positron emission tomography

Which factor is important for passage ability of X- rays (p 3)

wavelength

Which factor is important for passage ability of X- rays? (p 3)

density and atomic weight of organ

Who did give information about the biological effect of X rays for the first time? (p 4)

V. C. Roentgen

What is the principle of fluorography (p 10)

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?(p 16)

Doppler

Which relaxation times exist in MRI examination? (p 13)

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? (p 74)

MRI

Which method is used in the diagnosis of ischemic heart disease? (p 45)

Myocardial perfusion ssintigraphy

The method of thermography is

harmless and non-invasive

Which method is effective for brain examination? (p 13)

MRI

In which cases on X-ray filling defect is visible? (p 54)

Tumors

With the discovery of which rays did the science of radiology begin? (p 1)

X-rays

What does +1000 on the Hounsfield scale show? (p 12)

Bone tissue

What does -1000 on the Hounsfield scale mean? (p 12)

Air structure

What does 0 on the Hounsfield scale mean? (p 12)

Water

What is a transducer? (p 15)

Part of the ultrasound machine

What is Scheldinger (Seldinger) technology? (p 44)

Injection of contrast agent into the femoral artery during angiography

Diagnostic method for determining bone density:

Densitometry

What part of the body can be examined during densitometry?

lumbar spine and over the upper part of the hip

Which of the following methods does not belong to diagnostic radiology?

electroencephalography

Which one is the basic X ray method? (p 8)

radiography

Where we produce X rays? (p 2)

X ray tube

What is the translucent organ on X ray film: (p 8)

lungs

For conducting which examination does Seldinger's technique is used? (p 45)

angiography

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

What is the disadvantage of fluoroscopy? (p 9)

radiation dose is more than radiography

What terms are used in the analysis of radiography? (p 8)

shadow and transparent areas

What is the Urography? (p 9)

image of the kidneys and bladder

Which contrast are used for urography? (p 9)

iodine-containing contrast

Which method in radiology use Hounsfield scale? (p 12)

Computed tomography

What is main advantage of MRI? (p 13)

no radiation method

What is the contraindication to MRI examination? (p13)

pacemakers

Where we use gamma cameras? (p 21)

Radionuclide scanning

Which examination can be used to obtain optimal information about stenosis of arteries?

Doppler method

What is main advantage of ultrasonography? (p 16)

no radiation method

In which diseases the local temperature is increased in thermographic examination?

breast cancer

In which diseases the local temperature is increased in thermographic examination?

acute inflammatory diseases

Which examination method is more effective to identify mediastinal lymph nodes metastases? (p 40)

In which instrumental examination is " Hounsfield scale " is used? (p 12)

If a structure absorbs more X-rays, then in that image: (p 8)

appears as a shadow

What factors characterize MRI images? (p 13)

Proton density and relaxation time

What areas are studied by dopplerography?

Blood vessels

Magnetic resonance imaging examination is particularly important in which of the following diseases? (p 13)

in brain diseases

What are soft X-rays? (p 2)

long wavelengths X rays

What are hard X-rays? (p 2)

short wavelengths X rays

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

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