FREE DENTISTRY AND STUDY GAMES ABOUT CH 38

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FREE DENTISTRY AND STUDY GAMES ABOUT CH 38

FOUNDATIONS KT EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -40 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: an electrically charge particle

Answer:

ion Question 2: effects of radiation that cause illness and are responsible for poor health such as cancer leukemia and cataracts but are not passed on to offspring

Answer:

somatic effects

Question 3: a minute bundle of pure energy that has no weight or mass

Answer:

photon Question 4: one one thousandth of an ampere, a unit of measurement used to describe the intesity of an electrical current

Answer:

milliampere

Question 5: differences in degrees of blackness on a radiograph

Answer:

contrast Question 6: a measure of how well the radiograph reproduces the fine details or outlines of an object

Answer:

sharpness Question 7: x-radiation that is created when the primary beam interacts with matter

Answer:

secondary radiation Question 8: concept of radiation protection that states that all exposures should be kept as low as reasonably achievable

Answer:

ALARA concept

Question 9: x-rays at the center of the beam

Answer:

central ray

Question 10: the negative electrode in the x-ray tube

Answer:

cathode Question 11: the part of the x-ray unit that contains the x-ray tube, the high voltage and low voltage transformers, and insulating oil

Answer:

tubehead Question 12: image produced on photosensitive film by exposing the film to radiation and then processing it

Answer:

radiograph

Question 13: a form of secondary radiation that occurs when an x-ray beam has been deflected from its path by interaction with matter

Answer:

scatter radiation Question 14: device used to protect the reproductive and blood forming tissues from scatter radiation

Answer:

lead apron

Question 15: the science or study of radiation as used in medicine

Answer:

radiology

Question 16: the basic unit of matter

Answer:

atom Question 17: time between exposure to ionizing radiation and appearance of symptoms

Answer:

latent period Question 18: process by which electrons are removed from atoms, causing the harmful effects of radiation in humans

Answer:

ionization

Question 19: the amount of energy absorbed by tissues

Answer:

dose

Question 20: a negatively charged particle in the atom

Answer:

electron

Question 21: the portion of the x-ray unit that contains the master swithc , the indicator light, the selector buttons, and the exposure button

Answer:

control panel

Question 22: a focal spot in the anode

Answer:

tungsten target

Question 23: forms of waves of energy emission through space or material

Answer:

radiation Question 24: effects of radiation that are passed on to future generations through genetic cells

Answer:

genetic effects Question 25: the process of making radiographs of the teeth and adjacent structures by exposure to radiographs

Answer:

dental radiography

Question 26: the overall darkness or blackness of a radiograph

Answer:

density Question 27: highest voltage of radiograph tube used during a radiograph exposure

Answer:

kilovoltage

Question 28: a flexible lead shield that is placed securely around the neck

Answer:

thyroid collar