Work Book CH 4

Question 1

What is the Strandquist Isoeffect Curve dose quation?

Answer 1

Standard dose/Treatment dose

Question 2

What are all the chroninc effects?

Answer 2

1. Atrophy
2. Ulceration
3. Fibrosis

Question 3

Which energies have low LET?

Answer 3

1. X-rays
2. Electrons
   3.Gamma rays

Question 4

Symptoms correlate to dose and can be GI, neurological or both is which syndrome stage?

Answer 4

Prodromal phase

Question 5

Period in which victim shows no effects is which syndrome stage?

Answer 5

Latent phase

Question 6

Effects become evident and correlate with dose is which syndrome stage?

Answer 6

Manifest Illness phase

Question 7

___________ is a tool to understand tumor and normal tissue control by using different treatment times and dose fractionation schedules.

Answer 7

Biologically effective dose

Question 8

The most radioresistant cell cycle is the __________ phase

Answer 8

S phase

Question 9

A cell response to radiation is cell death; characterized by nuclear fragmentation, cell lysis, & phagocytosis of the chromatin bodies by neighboring cells is _________.

Answer 9

Apoptosis

Question 10

Which phases do irradiated cells result in interphase death?

Answer 10

1. G1
2. G2
3. S

Question 11

How is LET calculated

Answer 11

Dividing the energy deposited (KeV) by distance (micrometers)

Question 12

Division Delay is the same as

Answer 12

Mitoic delay

Question 13

The extent of radiation damage can change depending on the cell’s external factors is associated with ______________.

Answer 13

Ancel and Vitemberger

Question 14

Biological factors that influence response to radiation are

Answer 14

position in the cell cycle

Question 15

What is the most sensitive part of the cell?

Answer 15

DNA

Question 16

Prodromal phase lasts?

Answer 16

Few minutes to several days

Question 17

Latent phase lasts

Answer 17

Few hours to weeks

Question 18

Manifest ilness lasts

Answer 18

Few hours to months