Exam 1 past test questions

With pulse inversion harmonics how many pulses are sent down a scan line?

• 1

• 2

• 3

• 1.5

Which of the following does not belong in order to a wide dynamic range?

• bistable

• many choices

• low contrast

• gray scale

At what point are contrast harmonics created?

• during reflection

• during transmission

• when the PZT crystals are excited

• after the image has been processed

The dynamic range of information decreases the more it is processed.

• True

• False

Tags

NGSS.HS-PS4-2

Which of the following does not belong in the set?

• black and white

• narrow dynamic range

• many choices

• high contrast

Harmonic frequency sound waves arise from ______ behavior.

• linear

• fundamental

• symmetrical

• nonlinear

Tags

NGSS.HS-PS4-1

The harmonic frequency is _____ the fundamental frequency.

• half

• double

• one third

• four times

Tags

NGSS.HS-PS4-1

Tissue harmonics is created _____.

• in the transducer

• in the receiver

• during reception

• during transmission

Tags

NGSS.HS-PS4-1

In a standing individual, with a BP of 130, what would most likely be their measured pressure at the level of their head?

• 100 mmHg

• 130 mmHg

• 160 mmHg

• 200 mmHg

Tags

NGSS.HS-LS1-3

Match the following lettered diagrams with their correct description:

Plug flow ______, Parabolic flow______, Disturbed flow______, Turbulence ______

(a)