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Radio > Lecture 1 > Flashcards

Lecture 1 Flashcards

1
Q

When matter is altered …..

A

Energy results

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2
Q

What’s atomic number … تذكري العدد الذري يطلب شي واحد لصغره

A

Number of protons

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3
Q

What’s atomic mass …

A

Proton + neutrons

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4
Q

عشان تكون الذرة متعادله لازم ….

A

عدد البروتون = عدد الالكترون

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5
Q

How much shells in atom

A

Maximum 7 shells
كلمنو
K L M n o

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6
Q

She’ll closer to nucleons has …..

A

Higher binding energy

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7
Q

(….) emission and propagation of E in form waves or particle

A

Radiation

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8
Q

X ray consider as ionizing radiation- t or f

A

T

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9
Q

What’s mean ( ionizing radiation )

A

Is capable of produce ions by removing or adding e in atom

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10
Q

X ray which type of radiation ؟

A

EM

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11
Q

(——) transfer of E by high V subatomic particles

A

Particulate

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12
Q

(——) transfer of E in form of waves at speed of light and as combination of E and M field

A

EM

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13
Q

Eg of particulate —-

A

Alpha
Protons
Neutrons
Electron * beta and cathode rays*

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14
Q

Eg of EM —-

A

Gamma
X rays

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15
Q

Another eg of EM

A

Uv
Light rays
Infra-red radiation
Radio waves

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16
Q

In x ray / em radiation may :

A

Travel as waves form
Travel at speed of light
Discrete bundles of E known as photon having no mass or w

17
Q

What properties of x rays : وهي نفسها مواصفات ال em radiation

A

**X ray travel straight lines
**- - travel at same speed of light 186000 miles /s
*اكس راي غير مرئية وبدون وزن ولا اقدر اشوفها او اسمعها او احس فيها
+ can nnnnot reflected refracted forced to point
ممكن تنحرف ديفلكتيد لكن ال new
.trajectory يكون مستقيم
X ray nooo electric charge and not deviated with magnet

18
Q

مهم
X ray is type of ——

A

Ionizing radiation

19
Q

Penetration is selective depending on/

A

Density of object they strike الذي يصطدم
Wave length of x rays

20
Q

Shorter wave length ——-

A

More penetration

21
Q

——— are based on fluorescent properties of x ray

A

Intensifying screens

22
Q

تأثير الاكس راي البيولوجي

A

Somatic and genetic

23
Q

External comment of x ray machine

A

1- tubehead (. داخله اكس راي تيوب)
2-positioning arms
3- control panel

24
Q

Heavy metal housing in tube head function is contain

A

Protect x ray tube
Prevent unnecessary radiation exposure to surroundings
Grounds high voltage components يقصد المحولات اللي هي الترانسفورمزم

25
Q

Pid postion indicating device found in

A

Tubehead

26
Q

Cathode مكون من

A

Tungsten filament

27
Q

Filter is consider one of tubehead accessories and it’s ——

A

Alumimumn disks btw x ray tube and collimator
ويسمح بمرور فقط : more penetration radiation short limda and high energy

28
Q

Where filter located

A

In end of PID which attaches to tubehead

29
Q

Cillamtor is one of tubehead accessories and it’s function ….

A

Used for safety to reduce exposure to patient
+ increase sharpness of image (reduce scatter مبدد مبعثر )
+ restrict limit size and shape of x ray beam just to cover film receptor

30
Q

How size we used Pid —-

A

Long 12 inch

31
Q

The crest value of voltage ——

A

Kiolvolt peak

32
Q

Quantity

A

Ma

33
Q

Quality kvp

A
34
Q

EM radiation arranged according to their ———-

A

energy

35
Q

Control Panel contain

A

Main on/off switch
Timer
Exposure time selector
Warning light and audible signal

36
Q

Feature of control panel ;

A

Digital and film mode selector
Film speed selector
Patient size selector
kVp selector
mA selector

37
Q

Function of cathode —-

A

To supply electron المهمة لي for X-ray production

38
Q

Function of anode —-

A

Convert energy of electrons into X-rays

39
Q

What line focus principle ——

A

Use of 20 angle of target face anode provide small effective focal spot which lead to sharper image صورة اوضح

Radio (1 decks)

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