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DEH 203
QUIZ 1
Question | Answer |
---|---|
Radiation is defined as | A form of energy carried by waves |
Regarding the importance of dental radiographs is it true that many dental diseases are typically discovered only through the use of dental radiographs | yes |
What is Dr. raper responsible for? | Introducing radiology into the dental school curriculum |
The nucleus of an atom contains what? | Protons and neutrons |
Regarding orbital shells of an Adam what is true? | The K shell is closest to the nucleus and has the highest energy level |
True or false? An ion pair results when an electron is remote from Atom | True |
Regarding electromagnetic radiation what is not true statement | Electromagnetic radiation's travel at the speed of sound |
Which form of electromagnetic radiation is capable of ionization | X-rays |
What will most likely become the gold standard for imaging certain dental conditions in the near future | 3-D comb beam computerized tomography |
True or false Dr. Otto Walkoffs developed the bitewing radiograph | false |
properties shared by ALL radiations on the electromagnetic spectrum can't do what? | cause certain substance to fluoresce |
Give five unique properties for electromagnetic radiation | 1) cast shadows 2) fluoresce 3) travel in a straight line 4) cause biological damage 5) make photographs on film |
Anything which occupies space has wait and is termed____? | Matter |
And unusual form of an element carrying the same number of protons but having different number of neutrons is turned an _____? | Isotope |
The speed of a wave is referred to as | Velocity |
why is ionization considered a dangerous aspect of X radiation? | Ionizing radiation is any electromagnetic wave that carries enough energy to remove electrons from an atom. one of three things usually happen - the cell dies, the cell repairs itself, or the cell mutates incorrectly |