Haad Radiology Exam Quiz: Trivia!
(97).jpg "Haad Radiology Exam Quiz: Trivia!")
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- 1.Absorption of the x-ray beam is called
- A.
Scatter Radiation
- B.
Absorption
- C.
Attenuation
- D.
Remnant radiation
- 2.When were x rays discovered?
- A.
1985
- B.
1988
- C.
1895
- D.
1890
- 3.Who discovered the x ray?
- A.
W.d coolidge
- B.
W.c.roentgen
- C.
O.walkhoff
- D.
Dr. kells
- E.
Dr. morton
- 4.An older term given x radiation in honor of its discoverer
- A.
X ray
- B.
Gamma ray
- C.
Roentgen ray
- D.
Scattered ray
- 5.Who is believed to have exposed the prototype of the first dental x ray film?
- A.
A. cieszynski
- B.
Otto walkhoff
- C.
C. edmund kells
- D.
Wilhelm conrad roentgen
- 6.Who introduced the hot cathode tube?
- A.
W.d.coolidge
- B.
W. roentgen
- C.
F. mcCormack
- D.
C.e. kells
- 7.Who designed the "long cone" to use with the paralleling technique?
- A.
W.d coolidge
- B.
W.roentgen
- C.
G.m fitzgerald
- D.
C.e. kells
- 8.Who is considered to be the first advocate for the science of ratiation protection?
- A.
W. price
- B.
W.rollins
- C.
A. cieszynski
- D.
F. mcCormack
- 9.Who is given credit for suggesting the bisecting technique?
- A.
A. cieszynski
- B.
W. rollins
- C.
O.walkhoff
- D.
G.m. fitzgerald
- 10.Who is given credit for suggesting the paralleling technique?
- A.
F. mcCormick
- B.
H.r raper
- C.
W.d coolidge
- D.
C.e. kells
- 11.Most common hormone deficiency seen after intracranial radiation therapy?
- A.
Prolactin
- B.
Gonadotropins
- C.
ACTH
- D.
Growth hormone
- 12.Spongy appearance with central sunburst calcification is seen in?
- A.
Pancreatic adenocarcinoma
- B.
Mucinous cystadenocarcinoma
- C.
Somatostatinoma
- D.
Serous cystadenoma
- 13.A male was brought unconscious to the hospital with external injuries. CT brain showed no midline shift, but basal cistems were compressed with multiple small hemorrhages. What is the diagnosis
- A.
Cortical contusion
- B.
Cerebral laceration
- C.
Multiple infarcts
- D.
Diffuse axonal injuries
- 14.Bone scan of a patient with Multiple Myeloma shows
- A.
Diffusely increased uptake
- B.
Diffusely decreased uptake
- C.
Hot spots
- D.
Cold spots
- 15.Most chemoresistant tumors among the following is
- A.
Synovial sarcoma
- B.
Osteosarcoma
- C.
Malignant fibrous histiocytoma
- D.
Embryonal rhabdomyosarcoma
- 16.Most sensitive sonological indicator for aneuploidy is
- A.
Gestational sac volume
- B.
Crown-rump length
- C.
Nuchal translucency
- D.
Serum B HCG level
- 17.On MRI the differential diagnosis of spinal cord edema is:
- A.
Myelodysplasia
- B.
Myelomalacia
- C.
Myeloschisis
- D.
Cord tumors
- 18.Which of the following features on mammogram would suggest malignancy?
- A.
Well defined lesion
- B.
A mass of decreased density
- C.
Areas of spiculated microcalcifications
- D.
Smooth borders
- 19.A 40 years old female patient presented with recurrent headaches. MRI showd an extra-axial, dural based and enhancing lesion. The most likely diagnosis is:
- A.
Meningioma
- B.
Glioma
- C.
Schwannoma
- D.
Pituitary adenoma
- 20.Plethoric lung fields are seen in all of the following conditions, except:
- A.
Atrial septal defect (ASD)
- B.
TAPVC (Total Anomalous Pulmonary venous connection)
- C.
Ebsteins’ anomaly
- D.
Ventricular septal defect
- 21.Xrays are made up of
- A.
Electrons
- B.
Neutrons
- C.
Photons
- D.
Protons
- 22.The portion of the target struck by electrons is called the
- A.
Principle point
- B.
End point
- C.
Photon point
- D.
Focal spot
- 23.Milliamperage controls
- A.
The speed electrons move from cathode to anode
- B.
Cooling of the anode
- C.
Heating of the anode
- D.
Heating of the cathode
- 24.The cathode is a filament composed of
- A.
Gold
- B.
Silver
- C.
Tungsten
- D.
Copper
- 25.The lead diaphagm determines the size and shape of the
- A.
Electron cloud
- B.
Film used
- C.
Xray beam
- D.
All of the above
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