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Ketering > FOCUS > Flashcards

FOCUS Flashcards

1
Q

EXPLAIN SINGLE STRAND BREAK

A

OCCURS IN DNA

AKA POINT MUTATION

REPAIRS

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2
Q

EXPLAIN DOUBLE STRAND BREAK FRAMESHIRT

A

OCCURS IN DNA

BREAKS IN PHOSPH. CHAIN AT DIFF LEVELS

CAN REPAIR BUT HARDER

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3
Q

EXPLAIN DOUBLE STRAND BREAK

A

OCCURS IN DNA

BREAKS IN PHOSPH. ON SAME LEVELS

WORST DNA. - REPLICATES DAMAGED INFO

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4
Q

MUTATION OCCURS WHEN?

A

CROSS LINKING

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5
Q

EXPLAIN RESTITUTION

A

CHROMOSOME

BREAK & REJOIN

NO DAMAGE

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6
Q

EXPLAIN DELETION

A

CHROMOSOME

ACENTRIC FRAGMENT RESULTS

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7
Q

EXPLAIN BROKEN END ARRANGEMENT

A

CHROMOSOME

1 CHROMOSOME = RINGS / REPO DEATH

2 CHROMOSOME = DEATH OR REPLICATED MUTATIONS TRANSLOCATION
WORST CHROM

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8
Q

INSTANT DEATH

A

1000 Gy in SECONDS

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9
Q

REPRODUCTIVE DEATH

A

1 - 10 Gy
Cant reproduce / pass on da,age

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10
Q

MITOTIC DEATH

A

AKA: GENETIC DEATH

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11
Q

MITOTIC DELAY

A

.01 Gy

CELL DONT DIVIDE ON TIME

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12
Q

HEMATOLOGIC DEPRESSION / BLOOD CHANGES

A

.25 Gy

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13
Q

LD 50/30
LD 50/60
LD 100

A

LETHAL DOSE
50/30 = 300-400 rad / 3 - 4 Gy
50/60 = 350 rad / 3.5 Gy
100 = 600 rad / 6 - 10 Gy

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14
Q

GESTATIONAL TOTAL DOSE EQUIVALENT FOR EMBRYO/FETUS OF OCCUPATIONAL WORKER?

A

5 mSv
.5 rem
GESTATIONAL = TOTAL

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15
Q

MONTHLY DOSE EQUIVALENT FOR EMBRYO/FETUS OF OCCUPATIONAL WORKER?

A

.5 mSv
.05 rem

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16
Q

TEMPORARY STERILITY

PERMANENT STERILITY

A

TEMP = 2 Gy (200 rad)

PERM = 5 - 6 Gy (500 - 600 rad)

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17
Q

CUMULATIVE WHOLE BODY EFFECTIVE DOSE

A

AGE X 10 mSv

AGE X 1 rem

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18
Q

ANNUAL SKIN OF EXTREMITIES & ORGANS OF OCCUPATIONAL WORKER

A

500 mSv

50 rem

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19
Q

EFFECTIVE DOSE LIMITS ARE BASED ON WHICH RESPONSE CURVE?

A

LINEAR NONTHRESHOLD

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20
Q

SOMATIC OCCURS

A

LATE / YEARS AFTER

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21
Q

WHOLE BODY EFFECTIVE DOSE FOR RADIATION WORKER

A

.05 Sv

50 mSv

5 rem

22
Q

ANNUAL DOSE EQUIVALENT FOR INFREQUENTLY EXPOSED POPULATION

A

5 mSv
.5 rem

23
Q

RADIATION MONITOR READINGS ARE IN

A

mrem

mSv

24
Q

ANNUAL DOSE EQUIVALENT FOR FREQUENTLY EXPOSED POPULATION

A

1 mSv

.1 rem

25
Q

LENS OF EYE WORKER:

LENS EYE GENERAL PUB:

A

150 mSv. 15 rem

15 mSv. 1.5 rem

26
Q

STUDENT UNDER 18

A

1 msv

.1 rem

27
Q

ORGOGENISIS OCCURS

A

2 - 6 WEEK GESTATION

28
Q

AVERAGE BACKGROUND RADIATION

A

1 mSv

.1 rem

100 mrem

29
Q

BONE MARROW SYNDROME DOSE

A

WHOLE BODY DOSE 1 - 10 Gy

30
Q

CEREBROVASCULAR DOSE

A

50 Gy
DEATH IN DAYS

31
Q

ARS DOSE

A

1 Gy + TO WHOLE BODY

32
Q

GASTROINTESTINAL SYNDROME DOSE

A

6 Gy
WEEKS

33
Q

SINGLE ABSORBED DOSE CAUSE RADIATION INDUCED SKIN ERYTHEMA:

A

2 Gy

200 - 500 rad

34
Q

NAUSSEA & DIARRHEA DOSE EQUIVALENT

A

1.5 Sv

150 rem

35
Q

SUPRESSED MENSTRATION & REDUCTION SPERM

A

10 rad

1 mSv

36
Q

FIRST TRIMESTER DEATH DOSE:
SECOND & THIRD DEATH DOSE:

A

,05 - .15 Gy / 5 - 15 rad

200 mSv

37
Q

SUBLETHAL DOSE

SUPERLETHAL DOSE

A

SUB 200 - 300 rad (2 - 3 Gy)

SUPER = 600 - 1000 rad (6 - 10 Gy)

38
Q

LEFT HAND RULE

A

MOTORS

THUMB = DIRECTION OF FORCE
INDEX = DIRECTION MAGNET FIELD
MIDDLE = DIRECTION CURRENT

39
Q

RIGHT HAND RULE

A

GENERATORS

THUMB = DIRECTION OF MOTION
FINGER = DIRECTION MAGNETIC FIELD
MIDDLE/PALM = DIRECTION OF INDUCED CURRENT

40
Q

GRID CONVERSION:
NONE:
5:1
6:1
8:1
12:1
16:1

A

NONE: 1
5:1 = 2
6:1 = 3
8:1 = 4
12:1 = 5
16:1 = 6

41
Q

GRID CONVERSION FORMULA

A

MAS 1 = GCF 1
——— ————-
MAS 2 = GCF 2

42
Q

PRIMARY CIRCUIT CONSIST OF:

A

Primary: (Low Voltage)

Autotransformer

Kv Selector

Line Voltage Compensator

Timer

Primary side of the Step-up
Transformer

43
Q

SECONDARY CIRCUIT CONSIST OF

A

Secondary: (High Voltage)

Secondary side of the Step-up
transformer

(Kilovolts)

Rectification system

X-ray tube

44
Q

FILAMENT CIRCUIT CONSIST OF:

A

Filament:

Step-down transformer
(8-12 Volts)
(3 – 6 Amps)

rheostat

45
Q

SINGLE PHASE = ______ PULSE/SECOND
3 PHASE 6 PULSE = ______ PULSE/SECOND
3 PHASE 12 PULSE = ______ PULSE/SECOND

A

SINGLE 120 PULSES / SECOND
3/6 = 360
3/12 = 720

46
Q

ELECTRONIC TIMERS
OLD =
NEW =

A

OLD = RHEOSTAT, CAPACITOR & GAS DISCHARGE TUBE

NEW = RHEOSTAT, S-SWITCH, CAPACITOR & THYRATRON TUBE

47
Q
  1. SHEILD GONADS WHEN WITHIN:
  2. WHERE ARE GONADS SHIELDED
A

5 cm

1 in MEDIAL ASIS

48
Q
  1. CHICKEN POX IS ____ PRECAUTION
  2. IF CR PLATE NOT USED, WHEN IS IT ERASED?
  3. CLAY SHOVELERS IS FRACTURE OF
A

AIRBORNE

48 HOURS

C6 (C-SPINE)

49
Q

FILE SIZE FORMULA:

CONTRAST FOR PERFORATED BOWEL

TOMO SLICE THICKNESS DETERMINED BY:

A

PIXELS X BIT DEPTH / 8

GASTROGRAFIN OR ISOVUE (MORE EXP.)

EXPOSURE ANGLE

50
Q

NEUROGENIC SHOCK =

AXIAL VIEWS NEED HIGHER OR LOWER TECHNIQUE?

A

POOLING BLOOD / HEAD TRAUMA

THICKER PART / HIGHER TECHNIQUE

51
Q

ADD OR DESTRUCT

PNUEMONIA

PLUERAL EFFUSION

EMPHYSEMA

ACITIES

MYLOMA

GOUT

A

PNUEMONIA = ADD
PLUERAL EFFUSION = ADD

EMPHYSEMA = DESTR.

ACITIES = ADD

MYLOMA = DESTR.

GOUT = DESTR.

52
Q

ROTATION FOR IMAGES WITH CLAVICLES

A

AP = UPSIDE SUPERIMP SPINE
DOWNSIDE = SPACE BTWN / AWAY SPINE

PA = DOWNSIDE SUPERIMP SPINE
UPSIDE = SPACE BTWN / AWAY SPINE
——————————————————-
RAO = RIGHT CLAV SUPERIMP. SPINE
LAO = LEFT CLAV SUPERIMP. SPINE

RPO = LEFT CLAV SUPERIMP SPINE
LPO = RIGHT CLAV SUPERIMP SPINE

Ketering (13 decks)

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