100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS AND CORRECT ANSWERS.$21.99
Add to cart
CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS AND CORRECT ANSWERS.
8 views 0 purchase
Course
CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR
Institution
CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR
CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS AND CORRECT ANSWERS.
CALIFORNIA RADIOGRAPHY AND FLUOROSCOPY SUPERVISOR
AND OPERATOR PERMIT / CALIFORNIA FLUOROSCOPY
SUPERVISOR AND OPERATOR PRACTICE EXAM 150 QUESTIONS
AND CORRECT ANSWERS.
Which of the following properties are associated with cones rather than rods:
a. Contrast perception
b. Color detection
c. Visual acuity
d. All of the above - ANSWER-d. All of the above
How long does it take for the fluoroscopic table to move from the horizontal to
the vertical position?
a. 5-15 sec
b. 10-20 sec
c. 25-30 sec
d. 30-40 sec - ANSWER-c. 25-30 sec
Visible light:
a. Is not part of the electromagnetic spectrum
b. Has higher energy than x-rays
,c. Is the only part of the electromagnetic spectrum we can see
d. Has lower energy than radiowaves - ANSWER-c. Is the only part of the
electromagnetic spectrum we can see
Most modern image intensifiers use an input fluorescent screen layer that is
composed of:
a. Calcium tungstate
b. Cesium iodide
c. Barium lead sulfate
d. Zinc cadmium sulfide - ANSWER-b. Cesium iodide
The conversion of light energy into a proportional amount of electrons is
accomplished by a/an:
a. Electron gun
b. Photomultiplier
c. Electrostatic lens
d. Photocathode - ANSWER-d. Photocathode
The acceleration of the electron stream inside the image intensifier requires a
potential difference (voltage) of
a. 25 volts
b. 50 volts
c. 25 kilovolts
,d. 50 kilovolts - ANSWER-c. 25 kilovolts
The ouput screen of an image intesifier functions to convert ___ into ____ :
a. Light, electrons
b. Light, x-rays
c. Electrons, light
d. X-rays, electrons - ANSWER-c. Electrons, light
The target to panel and target to skin distance shall not be less than:
a. 18 in
b. 35 cm
c. 40 in
d. 12 in - ANSWER-d. 12 in
The squared ratio of input screen to output screen is called:
a. Minification ratio
b. Flux gain
c. Magnification ratio
d. Conversion ratio - ANSWER-a. Minification ratio
A 9" input screen and a 1" output screen increases brightness:
, a. 9 times
b. 18 times
c. 40 times
d. 81 times - ANSWER-d. 81 times
The point in the image intensifier tube where the electrons cross:
a. Optical point
b. Electronic focal point
c. Input focal point
d. Output focal point - ANSWER-b. Electronic focal point
In order to prevent light from scattering back to the photocathode intensifier, a
thin sheet of aluminum is placed onto:
a. Input phosphor
b. Photocathode
c. Output phosphor
d. Output focal spot - ANSWER-c. Output phosphor
Which of the following could be used to increase brightness gain?
a. A higher x-ray beam intensity
b. Decrease minification ratio
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller teachme2expert. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $21.99. You're not tied to anything after your purchase.