ppt 2

Question 1

level 3 is

Answer 1

organs

Question 1

level 2 is

Answer 1

tissues

Question 2

level 4

Answer 2

organ systems

Question 3

how many organ systems does body have

Answer 3

11
circulatroy, digestive, emdrocrime, excretory (urinary), immune (lymphatic), integumentary, muscular, nervous, repodcutive, respo, skeletal,

Question 4

cell division is

Answer 4

process by whch parent cells divides into 2 or more dauhter cells
-continous, slows, stops

Question 5

g1

Answer 5

grwoth and normal metabolic rols

Question 6

s ohase

Answer 6

synthetic phase and dna replication

Question 7

g2 phase

Answer 7

growth and prep for mitosis

Question 8

m phase

Answer 8

mitotic phase
1-prophase
2-metaphase
3-anaphase
4-telophase

Question 9

interphase includes

Answer 9

g1, s, g2

Question 10

meoisis

Answer 10

process of cell division in which the cell divides twice but the chromosomes are duplicated only once where interphase is ismlar to mistois

Question 12

G0 is where

Answer 12

cell has left the cycle and stopped dividing

Question 13

G1 is when

Answer 13

cells increase in size
-checkpoint ensures everything ready for synthesis

Question 14

Synthesis

Answer 14

is where dna replication occurs

Question 15

G2 phase is the

Answer 15

gap between dna synthesis and mitosis
-cell keeps growinh
-g2 checkpoint ensures everything ready to enter phase m phase and divide

Question 16

M phase where

Answer 16

cell growth stops and cellular energy is focused on division into 2 daughter cells

Question 17

metaphase serves as checkpoint for

Answer 17

making sure cell is ready for complete divide

Question 18

rad injury in G0 non cycling cells

Answer 18

moderate resistance

Question 19

rad injury in G1 resting phase

Answer 19

moderate resistance

Question 20

rad injury in M phase mitosis

Answer 20

very sensitive to rad injury bc dna is replicating (fuck up dna basically)

Question 21

rad injury in s phase

Answer 21

moderately resistant

Question 22

rad injruy in g2 resting phase

Answer 22

sensitive cuz groiwng

Question 23

in mitosis chromosomes are

Answer 23

condensed and dna is closely packed together creating a large target for rad

Question 24

during rad injury in mitosis repair mech

Answer 24

are shut down

Question 25

most rad resistant phase lasting ___ hours with cellular repair mech is

Answer 25

s phase and 5 hours

Question 26

as cell nears g1-s interphase

Answer 26

resistance goes down

Question 27

resistance goes down in g1 ohase when

Answer 27

apoptosis occurs (called interphase death)

Question 28

longest part of cycle is

Answer 28

hours to years G1

Question 29

short time allows for little injury repair in what phase

Answer 29

g2 and may resulty in mitotic delay in g2

Question 30

1976 ACR says

Answer 30

<2 wks no abortion and 2-8 wks w <15 rads no abortion

Question 31

1977-national council of radiation

Answer 31

neglible risk at 5 rads od less and malformation risk at abot 15 rad. dx would be rare for causing defect

Question 32

what to do if pt prgenant and didnt know

Answer 32

contact staff doc and RSO