What substance permits passage of most x-rays?
Chapter 20- Radiology and Nuclear Medicine
| Question | Answer |
|---|---|
| A substance that is _________________ permits the passage of most of the x-rays. | radiolucent |
| ________________ substances are those that absorb most of the x-rays they are exposed to allowing only a small fraction of the x-rays to reach the x-ray plate. | radiopaque |
What is obstructing the passage of x-rays?
Obstructing the passage of x-rays: radiopaque.
What type of material obstructs the passage of x-rays?
169 Cards in this Set
| radiopaque | Obstructing the passage of x-rays. |
|---|---|
| contrast studies | materials are injected to obtain contrast with surrounding tissue when shown on x-ray film. |
| gamma camera | machine to detect gamma rays emitted from radiopharmaceuticals during scanning for diagnostic purposes. |
What is meant by radiolucent and radiopaque?
Radiolucent – Refers to structures that are less dense and permit the x-ray beam to pass through them. Radiopaque – Refers to structures that are dense and resist the passage of x-rays. Radiopaque structures appear light or white in a radiographic image.
What is the study of X-rays called?
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object. Applications of radiography include medical radiography (“diagnostic” and “therapeutic”) and industrial radiography.
What is any substance that does not permit the passage of X-rays or other radiant energy characterized as?
egan 20
| Question | Answer |
|---|---|
| Radiolucent | Of or pertaining to a substance or tissue that readily permits the passage of x-rays or other radiant energy |
| Radiograph | An x-ray image AKA Roentgenogram |
| Radioplaque | Of or pertaining to substance or tissue that does NOT readily permit the passage x-rays or other radiant energy |
What do you call an x-ray doctor?
Radiologists are medical doctors that specialize in diagnosing and treating injuries and diseases using medical imaging (radiology) procedures (exams/tests) such as X-rays, computed tomography (CT), magnetic resonance imaging (MRI), nuclear medicine, positron emission tomography (PET) and ultrasound.
What is the process of recording X-rays called?
radiography. Process of making an X-ray record. radiologist.
Are bones radiolucent or radiopaque?
For example, on typical radiographs, bones look white or light gray (radiopaque), whereas muscle and skin look black or dark gray, being mostly invisible (radiolucent).
What does radiolucent mean?
Radiolucent: Permeable to one or another form of radiation, such as X-rays. Radiolucent objects do not block radiation but let it pass. Plastic is usually radiolucent.
How do xrays work?
Today’s x-ray machines produce a stream of electromagnetic radiation that interacts with an anode in an x-ray tube. When x-rays come into contact with our body tissues, they produce an image on a metal film. Soft tissue, such as skin and organs, cannot absorb the high-energy rays, and the beam passes through them.
Is air radiolucent or radiopaque?
The air-filled lungs are the easiest penetrated and absorb the least amount of the beam – they are considered radiolucent. Bone is dense and absorbs more of the beam – they are considered radiopaque. Radiolucent tissues appear dark or black, radiopaque tissue appear light or white.