Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

rad bio ch 35

radiation biology ch 35 for midterm

QuestionAnswer
what type of curve does erythema follow? nonlinear, nonthreshhold
what are the most radiosensitive cells? spermatogonia and lymphocytes
early effects of radiation are called: deterministic
prodromal syndrome acute clinical symptoms occuring within hours of exposure
hematologic symptoms RBC, WBC, and platelets decrease in number
hematologic syndrome dose range 200-1000 rad
hematologic syndrome recovery range 2-4 weeks up to 6 months
gastrointestinal syndrome dose range 1000-5000 rad
gastrointestinal syndrome recovery range death in 4-10 days
CNS syndrome dose range 5000 rad and above
CNS syndrome recovery range death within hours to three days
what does the "50" represent in LD50/30? percent of subjects irradiated
what does the "30" represent in LD50/30? number of days in which death will occur
LD50/30 dose of radiation to the whole body that will result in death within 30 days to 50% of the subjects irradiated
what type of curve does erythema follow? nonlinear
SED50 affects 50% of people exposed at 500 rad
a single dose of how many rad will cause mild erythema? 300-1000 rad
what effect does 10 rad to the gonads have on the female? delay of menstruation
what effect does 10 rad to the gonads have on the male? reduction in spermatozoa
what effect does 200 rad to the gonads have on the female? temporary sterility
what effect does 200 rad to the gonads have on the male? temporary infertility
what effect does 500 rad to the gonads have on the female? permanent sterility
what effect does 500 rad to the gonads have on the male? permanent sterility
how long should a male wait for procreation after 10 rad to the gonads? 2-4 months
how long should a female wait for procreation after 10 rad to the gonads? several months
what type of curve do radiation induced chromosome aberrations follow? nonthreshhold
can aberrations be observed at 5 rad? not well
how many autosomes does each cell have? 22 plus a pair of sex chromosomes
which type of hit is more likely at low radiation levels? single hit
when might a single hit take place? during G1 or G2
what is most likely to occur following a single hit during G1 or G2? damage of one chromatid
what type of aberrations might occur with a multi-hit ring, dicentric, reciprocal translocation
at what dose do multi-hit aberrations occur more? 100 rad
what type of curve does multi-hit aberrations follow? nonlinear, nonthreshhold
what type of curve do single hit aberrations follow? linear nonthreshhold
pluripotent stem cell base stem cell which can turn into a lymphocyte, granulocyte, thrombocyte, or eurethrocyte
Created by: annaluz87