Ultrasound

An ultrasound machine is being used to try to identify potential kidney stones. The machine is working properly and no kidney stones are found.

Which statement best describes this situation?

• The generated sound wave will not be able to reflect off of the object.

• The sound wave will not be generated, so there will be no echoes received.

• The echoes will be made but will not be able to be received by the machine.

• The machine will not be able to process the received echoes into images.

Tags

NGSS.MS-PS4-2

A student took notes in class.

Which would be the best title for these notes?

• Echolocation

• Ultrasound Technology

• Digital Signal

• Analog Signal

What happens when the sound waves released by a bat hit an object?

• The sound waves are diffused.

• The sound waves are reflected.

• The sound waves are refracted.

• The sound waves are absorbed.

Tags

NGSS.MS-PS4-2

Which statement best describes echolocation in bats?

• Echolocation helps bats find food only.

• Echolocation helps bats find food and avoid flying into obstacles.

• Echolocation helps bats avoid flying into obstacles only.

• Echolocation is not used in bats.

Which is one way that ultrasound technology may be used?

• repairing fractured bones

• locating misplaced electrical equipment

• cleaning dirty surgical tools

• canceling out unwanted noise

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

Which patients could be best helped using ultrasound technology?

• Josh, Ashley, and Lindsay

• Josh

• Ron

• Ashley, Ron, and Lindsay

Which two animals use echolocation?

• bats and humans

• bats and dolphins

• dolphins and humans

• dolphins and butterflies

An ultrasound tech is trying to identify an object, but the screen of the machine is broken. Which statement best describes this situation?

• The generated sound wave will not be able to reflect off of the object.

• The sound wave will not be generated, so there will be no echoes received.

• The echoes will be made but will not be able to be received by the machine.

• The machine will not be able to process the received echoes into images.

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What is the primary frequency range used in medical ultrasound imaging?

• 1-5 MHz

• 20-50 kHz

• 100-200 Hz

• 10-20 GHz

Tags

NGSS.HS-PS4-1

Which of the following best describes how ultrasound waves interact with tissues in the body?

• They are completely absorbed by all tissues.

• They are reflected at tissue boundaries.

• They pass through all tissues without interaction.

• They are refracted uniformly across all tissues.

Tags

NGSS.MS-PS4-2