Saftey - Biological Aspects Of Radiaton

Question 1

Where do the metabolic functions of a cell take place?

Answer 1

Cytoplasm

Question 2

When radiation exposure causes hematopoietic death what is the main reason the person died?

Answer 2

Immune system is destroyed

Question 3

The direct hit theory of sell your radiation can be described by what?

Answer 3

The DNA molecule is struck

Question 4

What stage of cell division is considered to be the most radiosensitive?

Answer 4

Metaphase

Question 5

What is the unit of absorbed radiation dose?

Answer 5

Gray

Question 6

What is the unit for air kerma?

Answer 6

Gray

Question 7

What is the process of cell division of SOMATIC cells called?

Answer 7

Mitosis

Question 8

How is the coulomb per kilogram unit determined?

Answer 8

Ionization in the air

Question 9

Where were the RNA molecules be found in a human cell other than the cytoplasm?

Answer 9

Nucleus

Question 10

Which of the following is the unit for biological dose?

Answer 10

Sv

Question 11

Correct order of tissue sensitivity from most to least

Answer 11

1. Lymphoid
2. Epithelial
3. Muscle

Question 12

What is a measure of the rate at which energy is transferred from radiation to soft tissue ?

Answer 12

LET

Question 13

High-level whole body radiation exposure, delivered in a period of seconds to minutes produces a clinical pattern, known as what?

Answer 13

Acute radiation syndrome

Question 14

The somatic effects of radiation for two, which of the following?

Answer 14

Exposure to the body tissues

Question 15

What is the unit of exposure dose of gamma or x-rays?

Answer 15

Coulomb per kilogram

Question 16

What is the unit for radiation exposure in the air?

Answer 16

Coulomb/kg

Question 17

Diagnostic X-rays are

Answer 17

Linear non threshold

Question 18

Gross structural changes that arise when radiation breaks a chromosome may be referred to as what?

Answer 18

1. Aberrations
2. Anomalies
3. Lesions

Question 19

What type of tissue will absorb the most radiation?

Answer 19

Bone

Question 20

Somatic effects of radiation relate to what?

Answer 20

The exposed individual

Question 21

How many milligram are in one gray?

Answer 21

1000

Question 22

Which of the mature cells would be least sensitive to radiation?

Answer 22

Nerve cells

Question 23

Information that sells require for metabolism is coded in which of the following?

Answer 23

DNA molecule

Question 24

Stokastic effects of radiation can be defined by

Answer 24

Cells that survive in initial irradiation by produce a late effect

Question 25

How can radiation induced cancer in a person?

Answer 25

Imitation can increase cell growth

Question 26

What is the most common result of cell or radiation?

Answer 26

Complete recovery

Question 27

What refers to the amount of ionizing radiation energy transferred by any type of radiation to any target material?

Answer 27

Gray

Question 28

If a human is exposed to radiation levels in the one to two gray range, which of the following is expected?

Answer 28

Complete recovery in 90 days

Question 29

What type of tissue is the most sensitive to radiation?

Answer 29

Lymphoid tissue

Question 30

The information that sells required for metabolism is coded in?

Answer 30

DNA MOLECULE

Question 31

What are considered the building blocks in the synthesizing of proteins?

Answer 31

Amino acids

Question 32

Genetic cells divide by?

Answer 32

Meiosis

Question 33

Somatic cells divide by?

Answer 33

Mitosis

Question 34

What is the term for the amount of radiation that within 60 days will kill half of the expose population?

Answer 34

Lethal dose 50/60

Question 35

What refers to the amount of radiation absorbed by the patient?

Answer 35

Gray

Question 36

What is the unit of radiation exposure does in the air?

Answer 36

C/kg