Chapter 1 - Introduction to the Imaging Sciences Flashcards
Which of the following is the date of the discovery of x-rays
a. November 5, 1885
b. November 5, 1895
c. November 8, 1885
d. November 8, 1895
d. November 8, 1895
A radiographer’s dosimetry report is expressed in:
a. mGy
b. mSv
c. mC/kg
d. mBq
a. mSv
According to the basic principles of radiation protection, a radiographer should minimize:
a. shielding
b. patient protection
c. distance
d. time
d. time
Anything that occupies space and has shape or form is:
a. matter
b. mass
c. weight
d. energy
a. matter
Which of the following is the radiation intensity that will produce 2.08 x 10^9 ion pairs in 1cm^3 of air?
a. R
b. Rad
c. Rem
d. Ci
a. R
What is the work done if 35N of force is applied to move a patient 0.5m?
a. 35.5 J
b. 34.5 J
c. 17.5 J
d. 70 J
c. 17.5 J
The curie is an expression of:
a. quality of radioactive material
b. intensity of radioactive material
c. absorption of radioactive material
d. quantity of radioactive material
d. quantity of radioactive material
X-ray examinations of the lower abdomen and pelvis of women in reproductive years should be limited to:
a. the time before menstruation
b. the 10 days before the onset of menstruation
c. the 10 days after the onset of menstruation
d. 15 days before or after the onset of menstruation
c. the 10 days after the onset of menstruation
What is the power used if 2000 J of work is applied for 5 seconds?
a. 400 W
b. 10,000 W
c. 2005 W
d. 1995 W
a. 400 W
What is the velocity of a car if it travels 1000 meters in 4 seconds?
a. 1004 m/s
b. 250 m/s
c. 1996 m/s
d. 4000 m/s
b. 250 m/s