X-ray Interactions

kVp mainly controls...

• Quality
• Quantity
• Time
• Tube current

Quantity is mainly controlled by...

• mA
• time
• kVp
• mAs

Which of the following is NOT synonymous with beam energy? 

• quantity
• quality
• penetrating power
• kVp

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

The amount of energy absorbed per unit mass is called

• effective dose
• absorption
• absorbed dose
• a super fun dance party

What is the Z number for Tungsten? 

• 64
• 72
• 74
• 75

The glass window of the x-ray tube serves as what type of filtration? 

• inherent
• added
• total
• unnecessary 

Which is NOT true of filtration? 

• "hardens" the x-ray beam
• raises the effective energy of the x-ray beam
• removes low energy x-ray photons
• raises patient dose

Tags

NGSS.HS-PS4-3

What is the usual filtration material that may be added to the x-ray tube? 

• Copper
• Aluminum 
• Lead
• Carbon

The x-rays that emerge from the glass window of the x-ray tube are called....

• Compton radiation
• Coherent radiation
• Primary radiation
• Scatter radiation

The air gap technique and grids are used to...

• reduce the amount of scatter that reaches the IR
• decrease patient dose
• attenuate the primary x-ray beam
• remove directly transmitted x-ray photons

Tags

NGSS.HS-PS4-5