Mcq Subject: Radiology

If multiple myeloma is suspected in a patient’s history and intraoral radiograph, which of the following radiographs should be taken to confirm the diagnosis?

A. Lateral skull

B. Anterior posterior view

C. Lateral oblique

D. Posterior anterior view

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The single most effective method of reducing patient somatic exposure when taking radiograph is to use:

A. A lead apron

B. Speed E film

C. Added filtration

D. An open ended, shielded cone

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Patient with history of tachyarrhythmias is on implantable cardioveer defibrillator. He develops shock. Best method to know the position and integrity of ICD is:

A. CECT

B. MRI

C. USG

D. Plain radiograph

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The base of an X-ray film is composed of:

A. Polyester

B. Gelatin

C. Nylon

D. Bromide

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Which film is used for caries detection? (or) Which film is used for caries detection in children?

A. D speed

B. E speed

C. B speed

D. F speed

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Disadvantages of grids are:

A. Skin exposure of patient

B. Increase exposure time

C. Doesn't improve image

D. Overall density of radiograph is increased

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The principal reason for placing an aluminium filter in the primary beam of radiation is to:

A. Reduce exposure time

B. Decrease development time of the films

C. Reduce radiation to the skin of the patient

D. Obtain greater definition of the images of teeth

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Radiation causes cell death by:

A. Charring of nucleoproteins

B. Destroying their mitochondria

C. Ionization

D. Disruption of cytosol

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Which of these is not a pa of catatonia?

A. Akathisia

B. Ambivalence

C. Ambitendency

D. Akinesia

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The skin of a patient undergoing radiotherapy will show after 2 weeks?

A. Erythema

B. Depigmentation

C. Radiation induced carcinomas

D. No change

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