Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

imaging science and patient care > Chapter 9 > Flashcards

Chapter 9 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Cosmic Radiation from the sun is from

A

Natural Radiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

_____ is susceptible to ionizing radiation.

A

DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The reproductive cells of an Organism are known as

A

Germ cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The body contains ___ chromosomes and ____ pairs.

A

46
23

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

If a structure is sensitive to radiation we call that

A

Radiosensitive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A total body response to en external source of radiation given in a few minutes results in

A

Acute Radiation Syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The use of lead aprons should be utilized over reproductive organs within _____ of the primary beam

A

4-5cm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Time, distance, and shielding applies to both ____ and _____.

A

Patients and radiographers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is another term for Ionizing radiation?

A

Radiation that changes/ alters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Radiation carries with it a risk vs _____.

A

Benefit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When air has been expelled from a space it is called

A

Vacuum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is ‘boiled’ off the filaments inside the focusing cup?

A

Electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The two most common patient interactions with radiation is

A

Compton and Photoelectron absorption

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

This interaction with matter is seen in the matter (Mev) range and not in diagnostic radiography

A

Pair production

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The SI unit for radiation absorbed is

A

Gy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The amount of radiation absorbed is

A

RAD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Anyone that is exposed to radiation other than occupational workers will be known as the

A

General population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Man made radiation travels at what speed?

A

Speed of light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The center of the cell is called the

A

Nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The 3 cardinal rules of protection are

A

Time, Distance, Shielding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Which radiation syndrome causes brain swelling and can lead to death?

A

CNS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the best defense to protect occupational workers from radiation?

A

Distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The dosimeter that appears like a pen flashlight or flash drive and is not used within medical imaging personnel is

A

Pocket dosimeter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Another name for bone marrow syndrome is

A

Hematopoietic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

The Nrc regulates the limit of absorbed dose to the unborn child to 0.5rem (5mSv) for the duration of the pregnancy. What is the monthly duration?

A

00.05 rem (0.5mSv)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

To alter or change tissue and organ structure is called

A

Ionization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The sources of ionizing radiation are _____ and _____.

A

Natural and Human Made

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Cosmetic radiation from the sun is a form of _____ ionizing radiation.

A

Natural

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

_____ Ionizing radiation is found in the nuclear industry.

A

Human Made

30
Q

X-rays are bundles of _____ moving in waves in space.

A

Energy

31
Q

_______ ______ is responsible for occupational workers exposure.

A

Compton Scattering

32
Q

_____ takes into account the dose and type of radiation received.

A

Radiation Equivalent (Rem.)

33
Q

The SI unit for Rad- is

A

Gray (Gy)

34
Q

The SI unit for Rem- is

A

Silvert (Sv)

35
Q

Annual whole body dose equivalent to general population is ____ mSv or ___ Rem.

A

5mSv or 0.5 Rem

36
Q

The annual whole body effective dose limit for occupational workers is ___ mSv or __ rem.

A

50mSv or 5rem

37
Q

cells are divided into two parts the _____ and ____

A

Nucleus and cytoplasm

38
Q

The nucleus contains _____ which are made up of _____.

A

chromosomes made up of genes

39
Q

____ are made up of hereditary information and composed of DNA.

A

Genes

40
Q

Which cell type performs all the body functions?

A

Somatic Cells

41
Q

The _____ cells are made up of 23 chromosomes.

A

Germ cells

42
Q

_____ cells are the reproductive cells of an organism.

A

Germ

43
Q

____ cells divide through the process of mitosis.

A

Somatic cells

44
Q

The three most sensitive cells in the body are _____.
(Radiosensitive cells)

A

Basal cells of the skin
Crypt cells of the small intestines
Germ cells

45
Q

The 3 least sensitive cells in the body are ______.
(Cell resistant to radiation)

A

Nerve cell
Muscle cells
Brain cells

46
Q

The ___ effects has 3 stages.

A

Early effects

47
Q

The ___ effects develop over a long period of time after radiation.

A

Late

48
Q

The _____ stage is when the patient experiences nausea, vomiting, and diarrhea.

A

Prodromal 1st

49
Q

The ____ stage of early effects is when the patient feels ‘well’ but the body is actually undergoing biologic changes that lead to the final stage.

A

Laten 2nd

50
Q

at the ____ stage of early effects the body feels the full amount of radiation exposure and will either recover or die.

A

Manifest 3rd

51
Q

The _____ _____ can be caused by a high does of radiation given immediately but can also occur from low doses given over a long period of time

A

Late effects

52
Q

The late effects has 2 groups called

A

Somatic effects
Genetic effects

53
Q

Somatic effect deals with the ____

A

person exposed

54
Q

Genetic effects deals with

A

future offspring

55
Q

Bone Marrow syndrome can also be known as _____

A

Hematopoietic syndrome

56
Q

_____ syndrome occurs at a dose of 2 to 10gy (200 to 2000rad)

A

Bone marrow

57
Q

_____ syndrome occurs at a dose of 10 to 50 gy (1000 to 5000 rad )

A

Gastrointestinal (GI) Syndrome

58
Q

____ Syndrome causes massive diarrhea, nausea, vomiting and fever

A

GI Syndrome

59
Q

_____ syndrome occurs at a dose above 50 gy (5000 rad )

A

Central Nervous System Syndrome

60
Q

CNS syndrome results in

A

Death

61
Q

Lead aprons and gloves for workers must be ___ to ___ mm lead equivalent.

A

0.25 to 1

62
Q

which monitor is most commonly used to monitor personal exposure?

A

Optically stimulated Luminescence Dosimeter

63
Q

The maximum wear time for an OSL is

A

up to 2 months 1mrem (0.01mSv)

64
Q

the maximum wear time for an TLD is

A

Up to 3 months 5mrem (0,05mSv)

65
Q

The SI units for on occupational worker is ____mSv annually and ____ x _____ cumulative.

A

50 mSv and 10mSv x age

66
Q

The equivalent dose annual limits for tissues and organs
1. lens of eyes
2. skin, hands, and feet

A
  1. 150 mSv
  2. 500 mSv
67
Q

The equivalent dose limit for the embryo fetal exposure (monthly) is

A

0.5mSv

68
Q

The effective dose limit for education and training exposures (annual) is

A

1 mSv

69
Q

Medical/Dental exposure contribute the greatest

A

Artificial radiation

70
Q

Video monitors, Suntan beds, and microwave ovens are ____ products and have very little exposure to us.

A

Consumer

71
Q

X-rays coming out of a window will have any energies and will be measured in ____

A

Kiloelectron volts (keV)

imaging science and patient care (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions