Five radiological response questions? Please check my answers.?

Question

Please test my answers to the following five questions:
1) Radioactive material can get into the body by ___?
a-inhaling or ingesting.
b-exposure to persons with radion sickness.
c-skin contact with alpha-emitting radioactive material.
d-all of the above.
2) Survey meters show radiation measurements in ___?
a-Rem.
b-Sv.
c-Rad.
d-R.
3)Which is true of gamma radiation?
a-is blocked by 60 sheets of paper.
b-is blocked by concrete, but not paper.
c-can penetrate several inches of concrete.
4)The term exposure usually refers to the ___?
a-intensity of radiation.
b-total time of radiation a person has received for a period of time.
c-total amount of radioactivity present.
d-type of personal exposure.
5)What is the first priority of a radiological responder at an accident scene involving radiation?
a-monitoring radiation levels
b-determine radiation exposure levels of individuals.
c-decontaminate exposed persons
d-treat injured victims

My answers 1A, 2D, 3C, 4B, 5A

Answer 1

For 1, your choice of A is correct. Alpha in contact with skin can cause radiation burns.

2. Yes. D is correct.
3. yes, C is correct
4. B is correct
5. Yes, A looks fine.

So, congrats! You got all the answers right. Great going! Keep it up!