CLOSED DOOR 3 Flashcards
The threshold dose of cataract formation is known to be ___ rads of acute exposure to the eyes.
200
Some radiation victims who suffered ____syndrome may recover completely
Hematologic
The CNS syndrome occurse following a whole body dose of ____ rads more
5000
Some radiation victims who suffered _________ syndrome may recover completly
Hematologic
The CNS syndrome occurs following a whole body dose of _____ rads or more
5000
Immediately following a whole body dose of 1000 rads the victim would experience
prodromal syndrome
A dose of _____ rads or more to a small area of the body can cause skin erythema
200
There is usually a ______ before symptoms of acute radiation syndrome appears
Latent period
A local dose of ___ rad(s) or more can cause gonadal dysfunction.
10
The lethal dose to human is ___ rads to whole body.
200
A person subjected to 5000 rads to the whole body may survive for ___ before death
3 days
A subject would not experienced_____following dose high enough can cause CNS syndrome
Hematologic Syndrome
Death from acute radiation exposure follow______dose reponse relationship.
non linear threshold
The LD 50/60 of human approximately______rad.
350
About half of the population will experience skin erythema following a localized dose of rads
500
Skin effects from localized follow a _____,______ Dose response relationship.
Non linear, Dose threshold
Localized doses of 700 to the skin can cause.
Permanent loss of hair
Ovaries are radiosensitive during
fetal growth
early childhood
Gonadal responses to radiation have been observed at doses as low as __ rads.
10
The stem cells of the ovaries multiply during __
fetal growth
A single chromosome abberation represents __ to the DNA within the chromosome.
severe damage
The most radiosensitive cells in the hematopoietic system of the human body are the __
lymphocytes
DNA is contained in the __ of the cells nucleus
chromosomes
Molecular lesions of DNA are called
point mutations
