LRA 215/216 Actual Exam
Questions With Reviewed 100%
Correct Detailed Answers
Guaranteed Pass!!
1. Humans are the most radiosensitive during_____ - ANSWER Fetal
stages
2. ____are among the most radioresistive species - ANSWER Cockroaches
3. There are usually a_____before the symptoms of acute radiation
syndromes appear - ANSWER latent period
4. About half of the population will experience skin erythema following a
localized dose of ____Gy - ANSWER 5
5. The central nervous system syndrome occurs following a whole body dose
of ____Gy - ANSWER 50
6. A single chromosome aberration represents_____to the DNA within the
chromosome - ANSWER severe damage
,7. Some radiation victims of_____syndrome(s) may recover completely -
ANSWER hematologic
8. Death from acute radiation exposure follows a____dose-response
relationship - ANSWER nonlinear,threshold
9. A dose of___Gy or more to a small area of the body can cause skin
erythema - ANSWER 2
10.What would be the most likely immediate response to a whole body dose
of 2Gy? - ANSWER Diarrhea, nausea, and vomiting
11.The minimum dose lethal to humans is____ Gy to the whole body -
ANSWER 2
12.During the latent period, the radiation victim experiences - ANSWER
well-being
13.Localized dose of 7Gy to the skin can cause - ANSWER permanent hair
loss
14.The LD 50/60 for humans is approximately _____Gy - ANSWER 3.5
15.High doses of radiation to a localized area can be lead to___ of tissues and
organs in that area - ANSWER Reduction in size
, 16.Shrinkage
17.Total loss of function
18.The destruction of___cells in the intestinal lining causes death from GI
syndrome - ANSWER Stem cells
19.The LD50/60 is the dose of radaition to the whole body that will result in
death within____to____% of the irradiated population - ANSWER 60
days, 50%
20.Gonadal responses to radiation have been observed doses as low as ___Gy
- ANSWER 0.1
21.The stem cells of the ovaries multiply during____ - ANSWER fetal
growth
22.Skin effects from localized doses of radiation follow a____dose-response
relationship - ANSWER nonlinear-threshold
23.A local dose of___rad(s) or more can cause gonadal dysfunction - ANSWER
10
24.Immediately following a whole body dose of 10 Gy the victim would
experience (a)______ - ANSWER Prodromal symptoms
25.The most radiosensitive cells in the hematopoietic system of the human
body are the___ - ANSWER lymphocytes
Questions With Reviewed 100%
Correct Detailed Answers
Guaranteed Pass!!
1. Humans are the most radiosensitive during_____ - ANSWER Fetal
stages
2. ____are among the most radioresistive species - ANSWER Cockroaches
3. There are usually a_____before the symptoms of acute radiation
syndromes appear - ANSWER latent period
4. About half of the population will experience skin erythema following a
localized dose of ____Gy - ANSWER 5
5. The central nervous system syndrome occurs following a whole body dose
of ____Gy - ANSWER 50
6. A single chromosome aberration represents_____to the DNA within the
chromosome - ANSWER severe damage
,7. Some radiation victims of_____syndrome(s) may recover completely -
ANSWER hematologic
8. Death from acute radiation exposure follows a____dose-response
relationship - ANSWER nonlinear,threshold
9. A dose of___Gy or more to a small area of the body can cause skin
erythema - ANSWER 2
10.What would be the most likely immediate response to a whole body dose
of 2Gy? - ANSWER Diarrhea, nausea, and vomiting
11.The minimum dose lethal to humans is____ Gy to the whole body -
ANSWER 2
12.During the latent period, the radiation victim experiences - ANSWER
well-being
13.Localized dose of 7Gy to the skin can cause - ANSWER permanent hair
loss
14.The LD 50/60 for humans is approximately _____Gy - ANSWER 3.5
15.High doses of radiation to a localized area can be lead to___ of tissues and
organs in that area - ANSWER Reduction in size
, 16.Shrinkage
17.Total loss of function
18.The destruction of___cells in the intestinal lining causes death from GI
syndrome - ANSWER Stem cells
19.The LD50/60 is the dose of radaition to the whole body that will result in
death within____to____% of the irradiated population - ANSWER 60
days, 50%
20.Gonadal responses to radiation have been observed doses as low as ___Gy
- ANSWER 0.1
21.The stem cells of the ovaries multiply during____ - ANSWER fetal
growth
22.Skin effects from localized doses of radiation follow a____dose-response
relationship - ANSWER nonlinear-threshold
23.A local dose of___rad(s) or more can cause gonadal dysfunction - ANSWER
10
24.Immediately following a whole body dose of 10 Gy the victim would
experience (a)______ - ANSWER Prodromal symptoms
25.The most radiosensitive cells in the hematopoietic system of the human
body are the___ - ANSWER lymphocytes
