The Doppler Shift of Ultrasonic Waves Can Measure the Speed

question 75

Multiple Choice

The Doppler shift of ultrasonic waves can measure the speed of blood in an artery.If the frequency of the stationary source is 100 kHz and the reflected sound has a Doppler shift of 200 Hz,what is the blood flow speed? (The speed of sound inside the body is 1 500 m/s. )

• A)1.0 m/s
• B)1.5 m/s
• C)2.2 m/s
• D)3.3 m/s

Acknowledge the importance of reliable data in statistical analysis.

Describe the process of data collection, organization, and summary through descriptive statistics.

Explain the process and importance of drawing inferences from sample data about a larger population.

Understand how statistics facilitates decision-making and problem-solving.

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Definitions:

Costs

Costs represent the expenses incurred in the production of goods or services, including materials, labor, and overhead.

Benefits

Advantages or favorable outcomes derived from actions, policies, or circumstances.

Assumption

A basic condition or premise believed to be true without proof for the purpose of reasoning and decision-making.

Hypothesis

A suggested theory formulated from minimal evidence intended as an initial step for more in-depth inquiry.