Medical Imaging

What is Medical Imaging

• Diagnosis using computer technology

• Visual representation of the interior of a body

• Virtual representation of symptoms

• Simulating a surgery

Tags

NGSS.HS-PS4-5

Which of the following is NOT a type of medical imaging?

• BMI

• MRI

• CAT Scan

• Ultrasound

What is the usual frequency of waves used for ultrasound scanning?

• 15 kHz

• <10 kHz

• 12 kHz

• >20 kHz

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

What device acts as the source and the detector of ultrasound waves

• A Transducer

• A Solenoid

• A Megaphone

• Computerized Tomograph

Tags

NGSS.HS-PS4-5

What type of medical imaging is this?

• CAT Scan

• X-Ray

• Ultrasound

• MRI

Tags

NGSS.HS-PS4-5

What is the Piezo-Electric effect?

• Causing a crystal to shrink and expand at the same frequency using direct current

• Causing a crystal to shrink and expand at the same frequency using alternating current

• Causing a crystal to shrink and expand at the same frequency using alternating voltages

• Passing electricity through a body and giving it a charge

Is ultrasound safe to use?

• YES

• NO

• MAYBE

Tags

NGSS.HS-PS4-4

Thickness of bone = distance traveled by ultrasound/2

= cΔt/2

This equation is used for ...

• B-Scan

• A-Scan

• Echo Sounding

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

Acoustic impedance is a product of ...

• Density x Distance

• Density x Voltage

• Speed of Sound x Distance

• Density x Speed of Sound

Mention a possible drawback of Medical Imaging

Tags

NGSS.HS-PS4-4