Radiation Regulations Flashcards
first orgna encountered by radiation
Skin
Radiation to the skin is know as
skin dose or surface dose
Bone cells are called
osteocytes
Radiation to the bone is called
deep dose
the bloods cells are called
erythrocytes, leukocytes and plasma
are older or younger cells more sensitive to radiation?
younger cells
are white or red blood cells more sensitive to radiation?
white blood cells
What is the bloods main function?
deliver nutrients to body and removing foreigne materials
what is the average RBC in adults
5 million/cc
what is the average WBC count in adults
7500/cc
Can large amounts of radiation kill blood cells?
yes
what are nerve cells responsible for?
Sensory and m;otor
Are nerve cells resistant ro radiation?
yes
what are nerve cells composed of?
body axon and nerve endings
how do signals move in the nerve cell?
from dendrite to axon
What are the two general cell categories?
somatic and genetic cells
What are somatic cells
everything but reproductive cells
What are genetic cells
sperm and ova
If you damage genetic cells you may damage what?
offspring
Can a large dose of radiation cause harm?
Yes
Radiation to stomatic cells harm______ organism
one
Fadiation to genetic cells harms _______ generations
future
the cell membrane is
seperates cell and movement of materials in and out of cell
the mitochondria is
extract energy from nutrients and store energy in chemical from
the endoplasmic reticulm is
transports materials
the ribosomes
Manufactures protine
lysosomes
rid the cell of waste
how many pairs of chromosomes are they
23 pairs (46 total)
how are the nitrogenous paired
Adenine with Thymine
Guanine with Cytosine
What happens in the nucleus
guarding of the DNA code
commands for daily chores
communication of the patterns for the manufacturing of protine
contorl of cell reproduction
Whats the process of manufacturing protine?
1 DNA splits, mRNA copies
2 mRNA carries genetic code to cytoplasm
3 tRNA joins mRNA at ribosomes
4 amino acids aligned along mRNA bind to form protein molecule
how do somatic cells reproduce?
mitosis
how do genetic cells reporduce?
meitosis
what are the 2 reasons stomatic cells divide?
repair of damage
growth of new tissue
what are the 2 parts of cell division
mitosis- replication
interphase- between replication
What are the 3 parts of interphase?
first gap
s phase
last gap
What are the 4 parts of Mitosis?
prophase
metaphase
anaphase
telophase
What happens in prophase?
nucleus enlarges
what happens in metaphase?
nucleus elongates
what is anaphase
chromosomes set aling in seprate regions
