Ch. 1 Key Terms

Question 1

Bone Densitometry (BD)

Answer 1

Measurement of bond density using dual-energy x-ray absorptiometry to detect osteoporosis

Question 2

Cardiac Interventional Radiography (CI) are used ___

Answer 2

diagnosing and treatment of diseases of the cardiovascular system

• These procedures involve the injection of iodinated contrast media for diagnosing diseases of the heart and blood vessels

Question 3

Computed Tomography (CT)

Answer 3

Recording of a predetermined plane on the body using an x ray beam that is measured, recorded, and then processed by a computer for display on a monitor
- non invasive imaging procedure that uses X rays & computers to create detailed images of the inside the body

Question 4

Diagnostic Medical Sonography

Answer 4

Field of study that creates anatomic images by recording reflected sound waves.
- Sound is a form of mechanical energy
- Sounds waves are a form of non ionizing radiation

Question 5

Energy

Answer 5

Capacity to operate or work

• forms of energy can be described as radiation because they can be transmitted through matter

Question 6

Magnetic resonance imaging (MRI)

Answer 6

Process of using a magnetic field and radio frequencies to create sectional images of the body
- No ionizing radiation is produced
- Uses a strong magnetic field and radio waves along with a computer to generate sectional images of patient anatomy

Question 7

Nuclear Medicine Technology involves the____

Answer 7

introduction of radioactive substances into the body for both diagnostic and therapeutic purposes

• usually involves the imaging of organs
• radio-pharmaceuticals is administered to patients to assess physiological functioning

Question 8

Radiation

Answer 8

Energy transmitted by waves through space or through medium

Question 9

Radiation Therapy

Answer 9

Branch of radiology involved in the treatment of diseases by means of x-ray or radioactive substances
- radiotherapy is a treatment using ionizing radiation, uses high doses of radiation to kill cancer cells and shrink tumors

Question 10

Radiography

Answer 10

Making of records (radiographs) of internal structures of the body by passing x ray or gamma rays through the body to act on specially sensitized film or an imaging plate or system

Question 11

Radiologic Technologist (R.T)

Answer 11

General term applied to an Individual who is qualified to use x rays or radioactive substances to produce images of the internal part of the body

Question 12

Radiologist

Answer 12

Physician who specializes in the use of x rays and other forms of ionizing and non-ionizing radiation in the diagnosis and treatment of a disease

Question 13

Radiologist Assistant (R.A)

Answer 13

An advanced-level radiographer who extends the capacity of the radiologist in the diagnostic imaging environment, thereby enhancing patient care

Question 14

Radiology

Answer 14

Branch of the health sciences dealing with radioactive substances and radiant energy and with the diagnosis and treatment of diseases by means of both ionizing and non-ionizing radiation

Question 15

Roentgen Ray

Answer 15

Synonym for x-ray

Question 16

Vascular interventional radiography (VI)

Answer 16

Radiologic procedures used to diagnose and treatment diseases of the vascular system

Question 17

X Ray

Answer 17

Electromagnetic radiation of short wavelength that is produced when electrons moving at high velocity are suddenly stopped
- human made form of electromagnetic energy

Question 18

What is Ionization ?

Answer 18

Any process by which a neutral atom gains or loses an electron, thus acquiring a net charge
- example X Rays from a X Ray tube
- special protection should provided to prevent excessive exposure to ionization radiation

Question 19

Mammography

Answer 19

Radiography of the breast
- These systems use low dose x-rays & a computer

Question 20

Gamma Radiation is electromagnetic energy that has the ability to ____

Answer 20

ionize atoms

Question 21

Positron Emission Tomography (PET)

Answer 21

The creation of sectional images of the body that demonstrate the physiologic function of various organs and systems
- Uses radio pharmaceuticals to perform
- typically combined with CT & MRI

Question 22

Echocardiography

Answer 22

Ultrasonographic imaging of the heart and associated vasculature

Question 23

Angiography

Answer 23

Term for radiologic examination of the blood vessels after injection of contrast medium

Question 24

Placing a catheter into one of the chambers of the heart is termed____

Answer 24

Cardiac Catheterization

Question 25

Treatment of blocked blood vessels is termed_____

Answer 25

Angioplasty