BIO2200 Final Exam Review

The biologic effect on an individual depends on which of the following?

• Type of tissue

• Amount of interaction

• Biologic differences

• All the options

The target theory applies to:

• Master molecule

• Total cell

• Lymphocytes

• Mitosis

The genetic dose of radiation borne by each member of the reproductive population is called the

• Genetically related dose

• Gentically significant dose

• Somatic related dose

• Somatic significant dose

What percentage of the SID must the collimator light and actual irradiated area be accurate

• Must not exceed 2%

• Must not exceed 5%

• Must not exceed 10%

• Must not exceed 15%

The interaction between x-ray photons and tissue is responsible for radiographic contrast but also contributes significantly to patient dose?

• The photoelectric effect

• Compton scatter

• Coherent scatter

• Pair production

A time of 5 minutes is required for a fluoroscopic examination whose exposure rate is 150 mGy/hr. What is the approximate radiation exposure for the radiologic staff present in the fluoroscopy room during the examination?

• 3.75 mGy

• 12.5 mGy

• 37.5 mGy

• 75 mGy

Radiation output from a diagnostic x-ray tube is measured in which of the following quantities?

• Sievert

• Gray

• Air Kerma

• Becquerel

Biologic material irradiation uder hypoxic conditions is

• more sensitive than when irradiated

• less sensitive than when irradiated under anoxic conditions

• less sensitive than when irradiated under oxygenated conditions

• unaffected by the presence or absence of oxygen

What quantity of radiation exposure to the reproductive organs is required to cause temporary fertility?

• 4 Gy

• 3 Gy

• 2 Gy

• 1 Gy

With milliamperes increased to maintain output intensity, how is ESE (Entrance Skin Exposure) affected as the source -to-skin distance (SSD) is increased?

• The ESE increases

• The ESE decreases

• The ESE remains the same

• ESE is unrelated to SSD