RAD 100 Ch. 1

• Bone Densitometry (BD)


  the measurement of bone density using dual-energy x-ray absorptiometry (DEXA or DXA) to detect osteoporosis.
• Cardiovascular Interventional Technology (CVIT)


  radiologic procedures for the diagnosis and treatment of diseases of the cardiovascular system
• Computed Tomography (CT)


  recording of a predetermined plane in the body using an x-ray beam that is measured, recorded, and then processed by a computer for display on a monitor.
• Diagnostic Medical Sonography


  visualization of deep structures of the body by recording the reflections of pulses of ultrasonic waves directed into the tissue.
• Ionization


  any process by which a neutral atom gains or loses an electron, thus acquiring a net charge.
• Magnetic Resonance Imaging (MRI)


  process of using a magnetic field and radiofrequencies to create sectional images of the body.
• Mammography


  radiography of the breast.
• Nuclear Medicine Technology


  branch of radiology that involves the introduction of radioactive substances into the body for both diagnostic and therapeutic purposes.
• Radiation


  energy transmitted by waves through space or through a medium.
• Radiation Therapy


  branch of radiology involved in the treatment of disease by means of x-rays or radioactive substances.
• Radiography


  making of records (radiographs) of internal structures of the body by passing x-rays or gamma rays through the body to act on specially sensitized film or an imaging plate or system.
• Radiologic Technologist


  general term applied to an individual who performs radiography, radiation therapy, or nuclear medicine technology.
• Radiologist


  physician who specializes in the use of roentgen rays and other forms of radiation in the diagnosis and treatment of disease.
• Radiologist Assistant (RA)


  an advanced-level radiographer who extends the capacity of the radiologist in the diagnostic imaging environment, thereby enhancing patient care.
• Radiology


  branch of the health sciences dealing with radioactive substances and radiant energy and with the diagnosis and treatment of disease by means of both ionizing (e.g., roentgen rays) and nonionizing (e.g., ultrasound) radiation.
• Roentgen Ray


  synonym for x-ray.
• X-ray


  electromagnetic radiation of short wavelength that is produced when electrons moving at high velocity are suddenly stopped.
• Angiography


  is the term for radiologic examination of the blood vessels after injection of a contrast medium.
• cardiac catheterization


  Placing a catheter into one of the chambers of the heart is termed.
• Angioplasty


  By way of a special catheter with a balloon tip, effective treatment of atherosclerosis is possible. This treatment of a blocked blood vessel is termed:
• radiopharmaceutical


  Nuclear medicine procedures usually involve the imaging of a patient's organs—such as the liver, heart, or brain—after the introduction of a radioactive material known as a:
• Medical dosimetrists


  are involved in treatment planning and dose calculations used by Radiation therapists.
• RDMS


  registered diagnostic cardiac sonographer
• cardiovascular technologists


  operate equipment that records the electrical impulses of the heart.
• electroneurodiagnostic technologists


  operate equipment to record the electrical impulses of the brain.
• Dr. Semmelweis


  importance of hand washing in preventing the spread of infection
• HGP


  Human Genome Project
• Francis Crick and James Watson

  they identified the molecular structure of deoxyribonucleic acid (DNA), a key to heredity and genetics.
• accreditation


  a voluntary peer- review process through which an agency grants recognition to an institution for a program of study that meets specified criteria
• certification


  a voluntary process through which an agency grants recognition to an individual on demonstration, usually by examination, of specialized professional skills
• The term used to describe energy transmitted through matter is:

  a. ionization.

  b. physiology.

  c. radiation.

  d. therapy.

  Radiation.
• Special protection should be taken to prevent excessive exposure to:

  a. energy.

  b. electromagnetic energy.

  c. ionizing radiation.

  d. radio waves.

  Ionizing radiation.
• Which of the following specialties uses a nonionizing form of radiation?

  a. nuclear medicine technology

  b. radiation therapy

  c. radiography

  d. sonography

  Sonography.
• The discovery of x-rays occurred in:

  a. 1858.

  b. 1876.

  c. 1895.

  d. 1898.

  1895.
• An individual who specializes in using x-rays to create images of the body is known as a:

  a. diagnostic medical sonographer.

  b. nuclear medicine technologist.

  c. radiographer.

  d. radiation therapist

  Radiographer.
• An effective treatment of atherosclerosis that uses a special catheter with a balloon tip is termed:

  a. angiography.

  b. angioplasty.

  c. arteriography.

  d. cardiac catheterization.

  Angioplasty.
• A discipline that visualizes sectional anatomy by the recording of a predetermined plane in the body is:

  a. computed tomography.

  b. cardiovascular interventional technology.

  c. nuclear medicine technology.

  d. radiation therapy.

  Computed tomography.
• Radiography of the breast is termed:

  a. angiography.

  b. cytotechnology.

  c. histology.

  d. mammography.

  Mammography.
• The study of diseases of muscles and bones is termed:

  a. neurology.

  b. orthopedics.

  c. oncology.

  d. urology.

  Orthopedics.
• An individual who specializes in carrying out treatments designed to correct or improve the function of a particular body part or system is known as a:

  a. diagnostician.

  b. histologist.

  c. technologist.

  d. therapist.


  Therapist.