Module 3 Quiz Flashcards
Damage to the body as a response to ionizing radiation is called:
a.) deterministic effects
b.) somatic effects
c.) random effects
d.) stochastic effects
b.) somatic effects
The term LD 50/30 signifies the whole body dose of radiation that can be lethal to:
a.) 30% of the exposed population in 30 days
b.) 50% of the exposed population in 30 days
c.) 30% of the exposed population in 50 days
d.) 50% of the exposed population in 30 days
d.) 50% of the exposed population in 30 days
Atrophy refers to:
a.) shrinkage of organs and tissues after a high radiation dose is recieved
b.) necrosis of the hypodermis from radiation exposure
c.) aging of the skin from radiation exposure
d.) wrinkling of the skin from radiation exposure
a.) shrinkage of organs and tissues after a high radiation dose is recieved
___________ systems can withstand as much as 50 Gy before effects appear.
a.) GI
b.) hemapoietic
c.) cerebrovascular
d.) skeletal
c.) cerebrovascular
If a person recieves radiation exposure sufficient to cause the gastrointestinal syndrome, fatality occurs primarily because of:
a.) inability to produce a bowel movement
b.) catastrophic damage to the epithelial cells that line the gastrointestinal track
c.) no peristalsis
d.) a blocked intestine
b.) catastrophic damage to the epithelial cells that line the gastrointestinal track
Which of the following is not a form of acute radiation syndrome?
a.) carcinogenic syndrome
b.) hematopoietic syndrome
c.) gastrointestinal syndrome
d.) cerebrovascular syndrome
a.) carcinogenic syndrome
Stochastic effects are random occuring biologic effects such as cancer.
a.) true
b.) false
a.) true
Some local tissues suffer immediate consequences from high radiation doses. Examples of such tissues include:
1.) bone marrow
2.) male and female reproductive systems
3.) skin
a.) 1 and 3 only
b.) 2 and 3 only
c.) 1 and 2 only
d.) 1, 2 and 3
d.) 1, 2 and 3
moist and dry desquamation can be caused by:
a.) high doses
b.) low doses
c.) radiation doses received during routine diagnostic imaging procedures
d.) radiation doses received during routine mammography
a.) high doses
Organ and tissue response to radiation exposure depends on factors such as:
1.) radiosensitivity
2.) reproductive characteristics
3.) growth rate
a.) 2 and 3 only
b.) 1, 2 and 3
c.) 1 and 3 only
d.) 1 and 2 only
b.) 1, 2 and 3
Early deterministic effects can occur ___________ after exposure.
1.) weeks
2.) hours
3.) days
4.) 6 months
a.) 4 only
b.) 1 and 2 only
c.) 1, 2 and 3
d.) 2 and 3 only
c.) 1, 2 and 3
Which of the following are early deterministic somatic effects of ionizing radiation?
1.) cataract formation
2.) fatigue
3.) hair loss
4.) genetic mutations
a.) 1 and 4
b.) 1, 2, 3
c.) 2 and 3
d.) 4 only
c.) 2 and 3
Radiation with a high LET transfers a small amount of energy into a large area.
a.) true
b.) false
b.) false
The prodromal stage of acute radiation syndrome is actually the:
a.) manifest illness period
b.) initial stage
c.) recovery period
d.) latent period
b.) initial stage
For persons with hemapoietic syndrome, survival time shortens as the radiation dose:
a.) stays the same
b.) decreases
c.) increases
c.) increases
The second major response stage of acute radiation syndrome is:
a.) prodromal period
b.) latent period
c.) manifest
d.) recovery or death
b.) latent period
Radiation damage can begin to effect the hempoietic system with as little as ________ Gy.
a.) 6 Gy
b.) 1 Gy
c.) .25 Gy
d.) 2 Gy
c.) .25 Gy
The hemapoietic form of acute radiation syndrome is also called the:
a.) bone marrow syndrome
b.) cytogenetic syndrome
c.) auger syndrome
d.) cerebrovascular syndrome
a.) bone marrow syndrome
Early tissue reactions are:
a.) common in diagnostic imaging
b.) no common in diagnostic imaging
c.) a result of grenz rays in diagnostic xray beam
d.) a result of irradiation of acellular tissue
b.) not common in diagnostic imaging
Permanent sterility can occur in both men and women following a dose of __________ Gy.
a.) 10
b.) 0.1
c.) 3
d.) 5
d.) 5
A dose of 0.5 Gy is given to a patient in five doses. This is called a ________ dose.
a.) protracted
b.) sublethal
c.) fatal
d.) fractionated
d.) fractionated
During the latent period, the radiation victim experiences:
a.) nausea and vomiting
b.) well being
c.) death of recovery
d.) hair loss
b.) well being
A protracted dose of radiation is given:
a.) over a long period of time
b.) in two large doses
c.) in a series of seperate doses
d.) all in one short exposure
a.) over a long period of time
Alpha particles travel short distances, but can cause more damage than x rays.
a.) true
b.) false
a.) true
