FREE AND STUDY GAMES ABOUT RAD BIO FINAL EXAM

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FREE AND STUDY GAMES ABOUT RAD BIO FINAL EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -72 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: The reduction in the intensity of an x-ray beam as it passes through material is termed

Answer:

Attenuation

Question 2: Your most radiosensitive portion of the G.I. tract is the

Answer:

Epithelial tissue Small intestine Question 3: Which Weighting factor is used to account for the differences in tissue characteristics when determining effective dose to biological material?

Answer:

Wt

Question 4: The photoelectric effect is more likely to occur when

Answer:

High affective atomic number - lower absorbing

Question 5: The classifications of acute radiation syndrome include

Answer:

-Hematologic -GI -CNS Question 6: Each time an x-ray scatters, it's intensity 1M from the scattering object is what fraction of the original intensity

Answer:

1/1000

Question 7: The operation of personal radiation monitoring can be based on stimulated luminescence. Which devices function in that manner

Answer:

OSL TLD Question 8: Aluminum Filteration has its greatest effect on what photon energy level?

Answer:

Low energy

Question 9: Classified tissues in order of increasing sensitivity

Answer:

Muscle / nerve - least sensitive Epithelial - most sensitive

Question 10: Diagnostics x-ray is described as having what LET?

Answer:

Low LET Question 11: Diagnostic x-rays are Currently described as having what energy level and which LET

Answer:

Low energy, low LET

Question 12: LET Is defined as?

Answer:

High / Low Radiation quality Question 13: According to the NCRP, the pregnant radiographers gestational dose equivalent limit for a one month. Is

Answer:

0.5

Question 14: Examples of stochastic effects of radiation exposure include

Answer:

Malignancy, leukemia, genetic affects

Question 15: The cardinal principles of radiation protection include

Answer:

Time Distance Shielding Question 16: The dose of radiation that will cause a noticeable skin reaction is referred to as the

Answer:

SED Skin erythema dose Question 17: Biologic material is the LEAST sensitive under which oxygenated conditions

Answer:

Low or no oxygen

(Anoxide=hypoxi) Question 18: Which of the interactions contributes most to occupational exposure?

Answer:

Compton scatter

Question 19: This is the gonadal dose that, If received by every member of the population, would be expected to produce the same total genetic affect on the population as the actual doses is received by each of the individuals

Answer:

Genetically significant Question 20: What type of dose-response relationship represents radiation induced leukemia?

Answer:

Linear non-threshold Question 21: Types of structural damage to a DNA molecule by ionizing radiation include

Answer:

Single / double Question 22: According to the NCRP, the annual occupational whole body does equivalent is

Answer:

50 mSv

Question 23: The annual occupational dose limit is valid for who

Answer:

Workers (Beta X & Gamma)

Question 24: Which tissues are composed of nondividing, differentiated cells

Answer:

Muscle and nerve (Highly specialized)

Question 25: Types of secondary radiation and barriers include

Answer:

Leakage and scatter

Question 26: Which interactions contributes most to Patient dose?

Answer:

Photoelectric