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WorksheetsINTERN QUIZ - ORAL MEDICINE AND RADIOLOGY 22.5.20
Total questions: 50
Worksheet time: 38mins
Name
Class
Date
1.
Café-au-Lait spots on the skin are charachteristic of ?
a)
Addisons Disease
b)
Peutz Jeghers Syndrome
c)
Von Recklinghausen Disease
d)
Hyperpituitarism
2.
Which component of screen film emits visible light?
a)
T grains.
b)
Phosphors.
c)
Silver halide
d)
Polyethylene terephthalate.
3.
Which is the point of entry for the mandibular canine projection?
a)
Midline of chin.
b)
Parallel to lower lip.
c)
Perpendicular to ala of nose.
d)
Through inferior border of mandible.
4.
Virus Induced tumor with soft, flat ,sessile papules is?
a)
Heck's Disease
b)
Darier's Disease
c)
Karatoacanthoma
d)
Verruca Vulgaris
5.
Compared to photons traveling at right angles to a surface, photons traveling through the periphery of a curved surface are
a)
straighter
b)
conservative.
c)
less intense
d)
more intense.
6.
Pink's Disease is due to?
a)
Toxicity of Silver
b)
Toxicity of Mercury
c)
Toxicity of Lead
d)
Toxicity of Tetracycline
7.
Which technique is used to eliminate PSP plate ghost images?
a)
Flood the plate with a bright light.
b)
Expose plate to scintillating material
c)
Use red filter safety lights when handling
d)
Have patients remove eyeglasses, jewelry, and partial dentures to eliminate artifacts.
8.
Verruca Vulgaris is associated with?
a)
EBV
b)
HPV
c)
HSV
d)
HIV
9.
Which is the appropriate vertical angulation of the aiming cylinder for a cross-sectional maxillary occlusal projection?
a)
(-)10
b)
(+)45
c)
(+)65
d)
(+)90
10.
Which optical density allows 100% of the light to be transmitted?
a)
0
b)
1
c)
2
d)
3
11.
The lesion noted exclusively on the gingiva is?
a)
Pyogenic granuloma
b)
Peripheral Ossifying fibroma
c)
Peripheral Giant cell granuloma
d)
Both B and C
12.
Tetracycline stains appears as?
a)
Yellow and brown stains in Enamel
b)
Yellow and brown stains in Enamel and Dentin
c)
Yellow and brown stains in Dentin
d)
Only Yellow stains in enamel
13.
If the tube is shifted to a more mesial angulation to the reference object and the object in question also moves mesially, then the object in question is located
a)
distal to the tooth
b)
occlusal to the arch bone
c)
lingual to the reference object
d)
buccal to the reference object
14.
Pigmented lesions of the oral mucosa do oocue due to the following drugs EXCEPT?
a)
Nifedipine
b)
Zidovudine
c)
Minocycline
d)
Oral Contraceptives
15.
Floating teeth are found in?
a)
Xanthomatosis
b)
Langerhan Cell Histocytosis
c)
Tuberous Sclerosis
d)
Acanthosis Nigricans
16.
Which of the following is false about Ossifying fibroma?
a)
3th-4th Decade
b)
Maxilla>Mandible
c)
Circumscribed Radiopacity
d)
Continuous growth
17.
Sunburst Radiographic appearance is seen in?
a)
Fibrous Dysplasia
b)
Cemento-ossifying fibroma
c)
Intrabony Hemangioma
d)
Lymphangioma
18.
Methods for minimizing the loss of image clarity include all EXCEPT one. Which one is the EXCEPTION?
a)
Minimize distance between object and film
b)
Use as small an effective focal spot as practical
c)
Increase distance between focal spot and object being radiographed.
d)
Minimize focal spot-to-film distance; maximize object-to-film distance.
19.
Green discoloration of teeth is seen In?
a)
Tetracycline
b)
Fluorosis
c)
Erythroblastosis Fetalis
d)
None of above
20.
The speed and resolution of an intensifying screen depends on all factors EXCEPT one. Which one is the EXCEPTION?
a)
Phosphor grain size
b)
Phosphor per-unit volume.
c)
Phosphor light spectrum range.
d)
Phosphor conversion efficiency
21.
The DICOM standard recognizes which of the following?
a)
Privatization of image formats.
b)
Need to export and import images effectively
c)
Necessity of sharing information between imaging devices
d)
Adoption of developed technologies according to individual needs
22.
Which of the following is not true for Sturge Webe Syndrome?
a)
Hemangiomatous involvement
b)
Mostly Bilateral
c)
Port Wine nevus
d)
Vasclar Gingival Hyperplasia
23.
Most common location for Intra-oral Nevi is?
a)
Hard Palate
b)
Soft Palate
c)
Buccsl Mucosa
d)
Floor of Mouth
24.
Fibroma combined with glandular tissue is?
a)
Neurofibroma
b)
Fibroadenoma
c)
Fibrolipoma
d)
Fibrmyoma
25.
Inaccuracies in image acquisition are called?
a)
Noise
b)
Details
c)
Spatial Resolution
d)
Contrast Resolution
26.
Which visible light photons are used in extraoral imaging?
a)
Blue and green.
b)
White and blue.
c)
Red and yellow
d)
Green and white.
27.
Multiple osteomas, multiple dense bone islands (enostosis), epidermoid cysts, subcutaneous desmoid tumors, and multiple polyps of the small and large intestine are seen in which syndrome?
a)
Peutz -Jeghers syndrome
b)
McCune Albright Syndrome
c)
Gardners Syndrome
d)
Crouzon Syndrome
28.
The overall degree of darkening of an exposed film is referred to as radiographic
a)
Contrast
b)
Density
c)
Base plus fog
d)
Charachteristic curve
29.
Production of a digital image requires a process called
a)
numeric conversion.
b)
solid-state technology detectors
c)
analog-to-digital conversion (ADC).
d)
photostimulable phosphor (PSP) technology
30.
Which is the vertical angulation of the aiming cylinder for horizontal bitewing images?
a)
-5
b)
(+)10
c)
(-)10
d)
(+)15
31.
If the object is not parallel to the film but the x-ray beam is perpendicular to the film, which phenomenon occurs?
a)
Elongation
b)
Cone-cutting
c)
Magnification.
d)
Foreshortening.
32.
The cause of patchy melanosis of oral mucosin Addison's disease is ?
a)
Decresed secretion of ACTH
b)
Increased secretion of ACTH
c)
Decreased secretion of Adrenal Medullary hormone
d)
Increased secretion of Adrenal Medullary hormone
33.
Keratoacanthoma is usually found on?
a)
lIp
b)
Gingiva
c)
Tongue
d)
Hard Palate
34.
Which is the reason that the periphery of an expansile lesion appears more radiopaque than the interior?
a)
Eggshell effect
b)
Border is thicker than interior.
c)
Difference in lesion composition
d)
Lesion interior is most likely fluid
35.
Simple Bone cyst is associated with?
a)
Fibrous Dysplasia
b)
Cemento-Osseous Dysplasia
c)
Langerhan Cell Histocytosis
d)
Cherubism
36.
Pleboliths are commonly seen in?
a)
Dental Pulp
b)
Salivary Gland Duct
c)
Cavernous Hemangiomas
d)
Subepithelial Bulla
37.
Which is the advantage of CCD/CMOS dental imaging over PSP dental imaging?
a)
Programmed processor.
b)
Plates loaded on drum system
c)
Dim light environment desirable.
d)
Immediate image acquisition and display
38.
Which of the following statements is TRUE for MEN- Type 1
a)
Hyperplasia of Parathyroid Gland
b)
Chromophobe Adenoma of Pituitary gland may produce Acromegaly
c)
Pancreatic tumors can produce Gastrin, Insulin, Glucagon
d)
All of the above
39.
Port Wine stains are seen in?
a)
Nevus
b)
Hemangioma
c)
Melanoma
d)
All the above
40.
In the paralleling technique, the central ray is at
a)
180 degrees to the object
b)
90 degrees to the imaginary bisector line
c)
90 degrees to the receptor and long axis of the tooth
d)
an acute angle to the receptor and long axis of the tooth
41.
All are components added to film emulsion that serve to improve silver halide crystal sensitivity EXCEPT one. Which one is the EXCEPTION?
a)
Gold.
b)
Iodide.
c)
Polyethylene terephthalate.
d)
Sulfur-containing compound
42.
Which decreases image distortion when utilizing the bisecting-angle technique?
a)
Place film as close as possible to the teeth being imaged.
b)
Place film as far as possible from the teeth being imaged
c)
Direct the central ray parallel to an imaginary plane that bisects the angle between the teeth and the film.
d)
Direct the central ray perpendicular to an imaginary plane that bisects the angle between the teeth and the film.
43.
Which of the following is a True Cyst?
a)
Aneursymal Bone Cyst
b)
Gingival cyst of the newborn
c)
Hemorrhagic Bone cyst
d)
All of the above
44.
Which film type contains silver halide grains that are flat, tabular crystals about 1.8 μm in diameter?
a)
InSight.
b)
Panoramic
c)
Duplicating
d)
Ultra-Speed.
45.
Which is the purpose of the layer of scintillating material coated directly on the charge-coupled device (CCD) surface?
a)
Decrease sensitivity to white light.
b)
Increase x-ray absorption efficiency
c)
Enhance production of electron-hole pairs.
d)
Transfer each row of pixel charges to the next row
46.
Multiple punched out lesions are seen in?
a)
Multiple Myeloma
b)
Pagets Disease
c)
Ewing Sarcoma
d)
Osteosarcoma
47.
A man with a old displaced fracture history reports with pain in mental foramen region. The likely diagnosis is?
a)
Neuroleiomyoma
b)
Neurofibroma
c)
Trigeminal Neuralgia
d)
Traumatic Neuroma
48.
Which portion of the x-ray film records the radiographic image?
a)
Base
b)
Screen
c)
Matrix
d)
Emulsion
49.
Which is the main difference between the CCD technology and the complementary metal oxide semiconductor (CMOS) technology?
a)
Pixel arrangement
b)
Flat panel detectors
c)
Manner in which pixels are read.
d)
Production of electron-hole pairs
50.
Pappilomatous Tongue is observed in?
a)
Lymphangioma
b)
Hyalinia Cutis et mucosa syndrome
c)
Fetal Face Syndrome
d)
Tuberous sclerosis
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