RADT 1200 CH33 TEST QUESTIONS WITH ALL CORRECT ANSWERS
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Course
RADT 1200
Institution
RADT 1200
RADT 1200 CH33 TEST QUESTIONS WITH ALL CORRECT ANSWERS
The dose of x rays necessary to produce an erythema in ½ of those exposed is about:
A. 1 Gy
B. 2 Gy
C. 5 Gy
D. Over 8 Gy - Answer-C. 5Gy
Which of the following is NOT an example of a manifest illness stage?
A. Hematologic syndrome...
RADT 1200 CH33 TEST QUESTIONS
WITH ALL CORRECT ANSWERS
The dose of x rays necessary to produce an erythema in ½ of those exposed is about:
A. 1 Gy
B. 2 Gy
C. 5 Gy
D. Over 8 Gy - Answer-C. 5Gy
Which of the following is NOT an example of a manifest illness stage?
A. Hematologic syndrome
B. Gastrointestinal syndrome
C. Latent injury syndrome
D. Central nervous system syndrome - Answer-C. Latent injury syndrome
Three to five days after receiving a dose of 10 Gy manifest illness symptoms which may
occur include:
A. Nausea and Vomiting
B. Diarrhea
C. Lethargy
D. All of the above - Answer-D. All of the above
The prodromal syndrome:
A. Consists of acute clinical symptoms that occur within hours of the exposure.
B. Is that time when the subject is free of visible effects.
C. Can be classified into three groups-hematologic, gastrointestinal and neuromuscular.
D. All of the above. - Answer-A. Consists of acute clinical symptoms that occur within
hours of the exposure.
Which of the following cell types will be depressed most severely by radiation?
A. Erythrocytes
B. Lymphocytes
C. Granulocytes
D. Megakaryocytes - Answer-B. Lymphocytes
Of the following chromosome aberrations, which requires a karyotype for analysis?
A. Isochromatid fragments
B. Dicentric chromosome
C. Ring chromosome
D. Reciprocal translocation - Answer-D. Reciprocal translocation
, If a whole body radiation dose of 0.25 Gy were received, which of the following would
most likely be observed?: (Hint- Consider threshold vs. non-threshold.)
A. Skin erythema
B. Epilation
C. Cytogenetic damage
D. Permanent sterility - Answer-C. Cytogenetic damage
Which of the following is not a primary type of mature blood cell?
A. Granulocyte
B. Lymphocyte
C. Erythrocyte
D. Cytocyte - Answer-D. Cytocyte
The ___________ are involved in human immune response, and are most sensitive to
radiation:
A. Lymphocytes
B. Granulocytes
C. Thrombocytes
D. Erythrocytes - Answer-A. Lymphocytes
The principal response of the blood to radiation exposure is:
A. Rearrangement of chromosomes
B. Fragmentation of chromosomes
C. A decrease in cell number
D. A stimulation of cell proliferation - Answer-C. A decrease in cell number
A chromosome karyotype is:
A. Unrestrained growth of chromosomes
B. An orderly map of all of the chromosomes within a particular cell
C. An analysis of chromosome fragments
D. A description of the radiation response - Answer-B. An orderly map of all of the
chromosomes within a particular cell
The mean survival time is:
A. Dose dependent for all of the acute radiation syndrome, except hematological
B. Constant for the hematological death syndrome
C. Dose dependent for the gastrointestinal death syndrome
D. Dose dependent for the hematological death syndrome - Answer-D. Dose dependent
for the hematological death syndrome
ionizing radiation effects that occur w/in days or weeks of exposure - Answer-
deterministic effects
deterministic effects are initiated by ____ doses and are not normally encountered in
modern radiology - Answer-high
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