Chapter 1 Flashcards

1
Q

Define Radiation

A

Energy that is transmitted by waves through space or a medium (matter)

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2
Q

What are three types of energy used for diagnostic purposes?

A

Xrays
Sound
Nuclear Energy

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3
Q

What is ionization?

A

Any process by which neutral atom gains or loses an electron thus acquiring a net charge

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4
Q

How are x-rays created?

A

Manmade form of electromagnetic energy that is created when electrons move at a high rate of speed and suddenly stop

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5
Q

What form of energy is sound?

A

Mechanical

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6
Q

What is Nuclear energy?

A

Energy emitted by the nucleus of an atom

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7
Q

What type of radiation does nuclear medicine use?

A

Gamma radiation

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8
Q

Forms of non-ionizing radiation

A

Heat, Radio, TV, Radar, MRI Visible light, Infared

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9
Q

Forms of ionizing radiation

A

UV
Gamma Rays
Xrays
Cosmic Rays

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10
Q

Who discovered X-rays?

A

Wilhelm Conrad Roentgen

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11
Q

When were X-rays discovered?

A

November 8, 1895

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12
Q

Describe the experiment used when x-rays were discovered.

A

Experimenting with Cathode rays outside glass tube. Covered the glass tubes so no light could escape and noticed a screen across the room that was painted with Barium Platinocyanide was fluorescing

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13
Q

First published report on properties of X-rays was called:

A

“On a New Kind of Rays”

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14
Q

What is Cardiovascular Interventional Technology

A

Use contrast to image heart and blood vessels

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15
Q

What is Mammography?

A

Specialize in imaging of the breast

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16
Q

What is Nuclear Medicine?

A

Use radioactive materials for diagnostic and therapeutic purposes.

17
Q

What is the radioactive material used in Nuclear Medicine?

A

Radiopharmaceutical

18
Q

What are PET scans?

A

Sectional images that demonstrate physiological functions of organs

19
Q

What is Radiation Therapy?

A

Administers radiation treatments - uses high does of ionizing radiation to treat malignant tumors

20
Q

What are Medical Dosimetrists?

A

Determine treatement plan and dose calculations for radiation therapy

21
Q

What is Bone Densitometry?

A

Uses DEXA scans which measures bone mineral density

22
Q

What does DEXA stand for?

A

Dual-energy X-ray Absorptiometry

23
Q

What is Computer Tomography?

A

Visualize patient anatomy in various planes using ionzing radiation.

24
Q

What is Ultrasound?

A

Visualize structures of body by recording reflections of pulses of high frequency sound waves

25
Q

What is MRI

A

Create sectional images of anatomy by using strong magnetic fields and radio waves

26
Q

Education opportunities in X-ray

A

Education:
Clinical instructor
Didactic faculty: classroom
Clinical coordinator
Program director

Administration:
Manage radiology services

Commercial:
Sell x-ray equipment
Sales rep
Tech specialist

27
Q

Health care team that an X-ray Tech might run into

A

MD - medical doctor

DO - doctor of Osteopathic Medicine; manipulates muscles and bones

RN - register nurse; administers drugs and IV

LPN - licenced practical nurse; works under nurse and cannot administer IVs

28
Q

What is Imaging Sciences

A

Encompasses all in the profession

29
Q

What are the initals you get after passing ARRT exam?

A

RT

30
Q
A