Ultrasound Physics Chapter 14 Pulsed Echo Instrumentation Quiz

What are the two main functions of an ultrasound system?

• a. Transmit and Receive

• b. Amplification and Compensation

• d. Rejection and Dynamic Frequency Tuning

• c. Compression and Demodulation

Which component of the ultrasound system creates and controls electrical signals sent to the transducer?

• b. Beam Former

• d. Display

• c. Receiver

• a. Pulser

What is the purpose of the T/R switch in the ultrasound system?

• c. To adjust the gain of the receiver

• b. To control the depth of view

• a. To protect the receiver from damage

• d. To optimize the image quality

Which function of the receiver prepares the weak electrical signals from the transducer to be displayed?

• d. Demodulation

• c. Compression

• b. Compensation

• a. Amplification

What is the purpose of compensation in the ultrasound system?

• c. To compress the information for display

• b. To improve the signal-to-noise ratio

• a. To adjust the gain of the receiver

• d. To assign similar echogenicities to similar structures

Which function of the receiver changes the gray scale characteristics of the image?

• d. Demodulation

• c. Compression

• b. Compensation

• a. Amplification

What is the purpose of demodulation in the ultrasound system?

• d. To display the low-level reflections

• a. To adjust the gain of the receiver

• b. To improve the signal-to-noise ratio

• c. To remove the variation in the voltages

What is the function of rejection in the ultrasound system?

• b. To improve the signal-to-noise ratio

• d. To remove meaningless noise from the image

• c. To compress the information for display

• a. To adjust the gain of the receiver

What is the purpose of dynamic frequency tuning in the ultrasound system?

• d. To remove meaningless noise from the image

• a. To adjust the gain of the receiver

• b. To improve the signal-to-noise ratio

• c. To optimize the image quality at different depths

Which component of the ultrasound system modifies the brightness of the entire image?

• c. Compensation

• a. Output Power

• d. Demodulation

• b. Receiver Gain