REVISION LECTURE FLASHCARDS

Question 1

X RAYS - WHY WORRY?

Answer 1

wave packets of energy
do not occur naturally
produced in an x ray tube
travel in straight lines
are undetectable by the senses
can affect film emulsion and certain fluorescent salts
CAN CAUSE IONIZATION OF ATOMS/MOLECULES IN LIVING TISSUE

Question 2

DESCRIBE THE BREMSTRAHLUNG THEORY

Answer 2

electromagnetic radiation produced by a sudden slowing down or deflection of charged particles (especially electrons) passing through matter in the vicinity of the strong electric fields of atomic nuclei.

Question 3

INVERSE SQUARE LAW

Answer 3

1/d2 !!!!!

Question 4

IRMER ROLES

Answer 4

EMPLOYER - LEGAL PERSON
REFERRER - DOCTOR, DENTIST, SOME HEALTH PROFESSIONALS
PRACTITIONER - JUSTIFIES THE EXPOSURE - DENTIST
OPERATOR - ANY PERSON INVOLVED IN THE “PRACTICAL ASPECTS” OF THE PRODUCTION OF A RADIOGRAPH. MUST BE SUITABLY TRAINED.