CLOSED DOOR 4

Question 1

According to radiologic studies, how many radiations in percent can woman sustain than men?

Answer 1

5-10%

Question 2

First step in producing radiation response

Answer 2

ionization

Question 3

What happens to RBE if let increases

Answer 3

increases

Question 4

Death occurs in GI syndrome because

Answer 4

damage to the lining of intestine

Question 5

Which type of xray transmitted thru the patient and enters to the image receptor.

Answer 5

Remnant

Question 6

DNA is contained in the_____ of cell molecule.

Answer 6

Chromosomes

Question 7

Which are included in the ICRP system of dose limitation?

Answer 7

Justification
Optimization
Dose limitation

Question 8

What growth stage in human development is considered to be the MOST radiation sensitive?

Answer 8

In utero

Question 9

Which is true for tenth value layer(TVL)

Answer 9

the shielding necessary to reduce the exposure to 1/10

Question 10

What type of colred filter will NOT allow darkroom processing of most green light sensitive

Answer 10

Amber

Question 11

The material used in output phosphor of the image intensifier

Answer 11

ZnCds (Zinc Cadium Sulfide)

Question 12

What is material added to tungsten target to reduced pitting and cracking caused by Overheating ?

Answer 12

Rhenium

Question 13

Used to type colored safelight?

Answer 13

Red

Question 14

A major problem with the AEC is?

Answer 14

IS NOT WORKING WITH SHORT EXPOSURES

Question 15

Which system of the AUTOMATIC PROCESSOR consumes the highest amount of electrical power?

Answer 15

DRYER

Question 16

What is the most possible cause when all radiaograph suddenly show an increase in Film density?

Answer 16

INCREASED DEVELOPER TEMPERATURE

Question 17

The target tube most likely large (%) than the small focus is?

Answer 17

100

Question 18

Which will significantly increase the xray tube output

Answer 18

voltage

Question 19

Gonadal response to radiation have been observed at dose as low as ___ rad

Answer 19

10

Question 20

The most radiosensitive cells in the Hematopoetic system of the human body are the

Answer 20

lymphocytes

Question 21

The lethal effects of cell irradiation are measured by cell

Answer 21

survival

Question 22

Human cells are most radiosensitive during ______ phase of the cell cycle.

Answer 22

mitosis

Question 23

Changes to Chromosome rather than DNA?

Answer 23

Point Mutation

Question 24

According to radiologic study, how many radiation in percent can a woman sustain more than men

Answer 24

5-10%

Question 25

What is the first step of dose response?

Answer 25

Ionization

Question 26

Which is not considered to be part of the monitoring report of dose?

Answer 26

Activity

Question 27

Which is least likely to be required in designing the shielding for an X- ray room

Answer 27

beam filtration

Question 28

What type of generator will give the GREATEST radiation output and HVL for any specified up and mas?

Answer 28

High frequency

Question 29

Which will not increase film fog?

Answer 29

excessively strong fixation

Question 30

A type of chart that described as safe and unsafe for tube operation.

Answer 30

Tube Rating Chart

Question 31

Which of the following will you increase to reduce radiographic noise?

Answer 31

GRID RATIO