RTBC Exam Prep Questions with
Complete Solutions4
What determines the quantity of electrons in the tube current? - ANSWERS-Heating of the
filament
-Heat of the filament produces the space charge effect and the thermionic cloud
-Hotter the filament, the more electrons will boil off
An "apple core" lesion is related to which pathology? - ANSWERS-Colon cancer
-"apple core" or "napkin ring" describe the appearance of some types of cancer in the large
intestine
The ability to produce a high voltage electrical current in the x-ray tube is accomplished through
which of the following devices? - ANSWERS-Transformers
-Step-up transformer converts low-voltage electricity to high voltage electricity
-Diodes help convert AC to DC
-Resistors control the flow of electricity
What chamber of the heart is responsible for pumping blood to the lungs? - ANSWERS-Right
ventricle
-Systemic blood returned to the right atrium, passes through the right atrioventricular
(tricuspid) valve, and into right ventricle
Complete Solutions4
What determines the quantity of electrons in the tube current? - ANSWERS-Heating of the
filament
-Heat of the filament produces the space charge effect and the thermionic cloud
-Hotter the filament, the more electrons will boil off
An "apple core" lesion is related to which pathology? - ANSWERS-Colon cancer
-"apple core" or "napkin ring" describe the appearance of some types of cancer in the large
intestine
The ability to produce a high voltage electrical current in the x-ray tube is accomplished through
which of the following devices? - ANSWERS-Transformers
-Step-up transformer converts low-voltage electricity to high voltage electricity
-Diodes help convert AC to DC
-Resistors control the flow of electricity
What chamber of the heart is responsible for pumping blood to the lungs? - ANSWERS-Right
ventricle
-Systemic blood returned to the right atrium, passes through the right atrioventricular
(tricuspid) valve, and into right ventricle
