radiology

Card Set Information

Author:
sweetpea281
ID:
52717
Filename:
radiology
Updated:
2010-12-01 18:29:40
Tags:
ch4review
Folders:

Description:
quiz questions ch 4
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user sweetpea281 on FreezingBlue Flashcards. What would you like to do?


  1. The latent period in radiation biology is the time between:
    A. exposure of film and development
    B. cell rest and cell mitosis
    C. exposure to x-radiation and clinical symptoms
    D. subsequent doses of radiation
    e. none of the above
    C. exposure to x-radiation and clinical symptoms
    (this multiple choice question has been scrambled)
  2. a free radical is:
    a. an uncharged molecule
    b. has an unpaired electron in the outer shell
    c. is highly reactive and unstable
    d. combines with molecules to form toxins
    e. all of the above
    e. all of the above
  3. direct radiation injury occurs when:
    A. free radicals combine to form toxins
    B. x-ray photons are absorbed and form toxins
    C. x-ray photons hit critical targets within a cell
    D. x-ray photons pass through the cell
    e. none of the above
    C. x-ray photons hit critical targets within a cell
    (this multiple choice question has been scrambled)
  4. indirect radiation injury occurs when:
    A. x-ray photons hit critical targets within a cell
    B. x-ray photons pass through the cell
    C. x-ray photons are absorbed and form toxins
    D. xray photons hit the DNA of a cell
    e. non of the above
    C. x-ray photons are absorbed and form toxins
    (this multiple choice question has been scrambled)
  5. which of the following relationships describes the response of tissues to radiation
    A. linear, nonthreshold
    B. linear
    C. linear, threshold
    D. nonlinear, non threshold
    e. none of the above
    A. linear, non threshold
    (this multiple choice question has been scrambled)
  6. which of the following factors contributes to radiation injury
    a. total dose
    b. dose rate
    c. cell sesitivity
    d. age
    e. all of the above
    e. all of the above
  7. which of the following statements is correct
    A. long term effects are seen with small amounts of radiation absorbed in ashort time
    B. short term effects are seen with small amounts of radiation absorbed in a short period
    C. short term effects are seen with small amounts of radiation absorbed in a long period
    D.long term effects are seen with small amounts of radiation absorbed in a long period
    e.none of the above
    D. longterm effects are seen with small amounts of radiation absorbed in a long period
    (this multiple choice question has been scrambled)
  8. radiation injuries that are not seen in the persons irradiated but tat occur in future generations are termed?
    a. somatic effects
    b. genetic effects
    c. cumulative effects
    d. short term effects (pick this one)
    e. long term effects
    • b. genetic effects
    • (oops sorry led you astray)
  9. which of the following is most susceptible to ionizing radiation?
    A. small lymphocyte
    B. bone tissue
    C. epithelial tissue
    D. nerve tissue
    E. muscle tissue
    A. small lymphocyte
    (this multiple choice question has been scrambled)
  10. the sensitivity of tissues to radiation is determined by?
    a. mitotic activity
    b. cell differentiation
    c. cell metabolism
    d. all of the above
    e. none of the above (all that work just so you can pick none of them I don't think so!)
    d. all of the above! (so choose them all! Good thinkin)
  11. which of the following is considered radioresistant?
    A. young bone cells
    B. epithelial cells
    C. immature reproductive cells
    D. mature bone cells
    e. none of the above
    D. mature bone cells (all growed up and learned they resist that radio peer pressure)
    (this multiple choice question has been scrambled)
  12. an organ that, if damaged, diminishes the quality of an individuals life is termed a:
    A. cumulative organ
    B. radioresistant organ
    C. critical organ
    D. somatic organ
    e.none of the above
    C. critical organ
    (this multiple choice question has been scrambled)
  13. the traditional unit for measuring x-ray exposure in air is termed:
    A. the rem
    B. the gray
    C. coulombs per kilogram
    D. the rad
    E. the roentgen
    E. the roentgen
    (this multiple choice question has been scrambled)
  14. the quality factor (QF) is used to determine which of the following radiation units
    A. the rem
    B. the rad
    C. the roentgen
    D. the gray
    E. coulombs per kilogram
    A. the rem
    (this multiple choice question has been scrambled)
  15. the unit for measuring the absorption of x-rays is termed:
    A. quality factor
    B. the rad
    C. the rem
    D. the sievert
    E. the roentgen
    B. the rad (totally rad absorption man!)
    (this multiple choice question has been scrambled)
  16. which of the following conversions is correct?
    A. 1 Sv= 10 rems
    B. 1R=2.58 x 10-4 C/kg
    C. 1 Gy=10 rads
    D. 1 rem=0.1 Sv
    E.1 rad=0.1 Gy
    B. 1 R=2.58 X 10-4 C/kg
    (this multiple choice question has been scrambled)
  17. which of the following traditional units does not have an SI equivalent
    a. the roentgen
    b. the rad
    c. the rem
    d. quality factor
    e none of the above
    psh hec if I know! ...fine its a. the roentgen
  18. which of the following is used only for x-rays?
    A. the roentgen
    B. the rad
    C. the rem
    D. the sievert
    E. the gray
    A. the roentgen
    (this multiple choice question has been scrambled)
  19. which of the following conversions is correct?
    a. 1 R= 2.58 x 10-4 C/kg
    b. 1 Gy=100 rads
    c. 1 Sv= 100 rmes
    d. 1 rem= rads x QF
    e. all of the above
    e. all of the above
  20. what is the average dose of background radiation received by an individual in the United States
    A. 0 to 100 mrads (0-0.001 Gy)
    B. 200 to 500 mrads (0.002-0.005 Gy)
    C.150 to 300 mrads (0.0015-0.003 Gy)
    D. 500 to 100 mrads (0.005-0.01 Gy)
    E. 50 to100 mrads (0.0005-0.001 Gy)
    C. 150 to 300 mrads (0.0015-0.003 Gy)
    (this multiple choice question has been scrambled)
  21. what is the greatest contributor to artificial radiation exposure?
    A.radioactive materials
    B.consumer produts
    C.weapons production
    D.medical radiation
    E.nuclear fuel cycle
    D. medical radiation
    (this multiple choice question has been scrambled)
  22. the amount of radiation exposure an individual receives varies depending on which of the following factors
    a.film speed
    b.collimation
    c.tecnique
    d.exposure factors
    e.all of the above
    e. all of the above
  23. a single intraoral radiograph (D-speed film, 70kVp, long PID) results in a mean surface exposure of:
    A.250mR
    B.1 R
    C.50mR
    D.500 mR
    E. 5 R
    A. 250 mR....(sounds like a good guess to me, talk about the quiz I feel like dropping)
    (this multiple choice question has been scrambled)
  24. what is the dose at which leukemia induction is most likely to occur?
    A. 500 mrads (.005 Gy)
    B. 1000 mrads (.01 Gy)
    C. 2000 mrads (.02 Gy)
    D. 5000 mrads (.05 Gy)
    e. none of the above
    D. 5000 mrads (.05 Gy)
    (this multiple choice question has been scrambled)
  25. which of the following statements is incorrect?
    A. dental radiographs benefit the patient
    B. biologic damage results from x-ray exposure
    C. x-radiation is not harmful to living tissues
    D. this one is too long and I don't want to type it
    E. screw this question its the last one for me to type and I dislike this chapter.
    C. x-radiation is not harmful to living tissues
    (this multiple choice question has been scrambled)

What would you like to do?

Home > Flashcards > Print Preview