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Chapter 3: Understanding Ultrasound System Controls

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    AMA Citation
    Understanding Ultrasound System Controls. In: Mathew JP, Ayoub CM, Nicoara A, Swaminathan M. Mathew J.P., & Ayoub C.M., & Nicoara A, & Swaminathan M(Eds.),Eds. Joseph P. Mathew, et al.eds. Clinical Manual and Review of Transesophageal Echocardiography, 3e. McGraw-Hill; Accessed July 02, 2020. https://accessanesthesiology.mhmedical.com/content.aspx?bookid=2504&sectionid=202760613
    APA Citation
    Understanding ultrasound system controls. Mathew JP, Ayoub CM, Nicoara A, Swaminathan M. Mathew J.P., & Ayoub C.M., & Nicoara A, & Swaminathan M(Eds.),Eds. Joseph P. Mathew, et al. (2018). Clinical Manual and Review of Transesophageal Echocardiography, 3e. McGraw-Hill. https://accessanesthesiology.mhmedical.com/content.aspx?bookid=2504&sectionid=202760613
    MLA Citation
    "Understanding Ultrasound System Controls." Clinical Manual and Review of Transesophageal Echocardiography, 3e Mathew JP, Ayoub CM, Nicoara A, Swaminathan M. Mathew J.P., & Ayoub C.M., & Nicoara A, & Swaminathan M(Eds.),Eds. Joseph P. Mathew, et al. McGraw-Hill, 2018, https://accessanesthesiology.mhmedical.com/content.aspx?bookid=2504&sectionid=202760613.

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CHAPTER 3: UNDERSTANDING ULTRASOUND SYSTEM CONTROLS

1. Which of the following is the least frequently used mode used during TEE examinations?

a. Color Doppler

b. M-mode

c. Continuous-wave Doppler

d. Two-dimensional gray-scale imaging

b.

2. Two-dimensional gray scale is considered what type of imaging?

a. Ionizing

b. Darkness

c. Quantitative

d. Brightness

d.

3. The most important control for two-dimensional gray-scale imaging is:

a. Baseline shift

b. Gain

c. Color Doppler

d. Rejection

b.

4. Time gain compensation is a control that allows the operator to:

a. Adjust color Doppler velocity

b. Change dynamic range

c. Compensate for ultrasound attenuation

d. Decrease the output power

c.

5. The two-dimensional compression control changes:

a. Nyquist limit

b. Sector width

c. Dynamic range

d. Output power

c.

6. The zoom control is used in order to:

a. Increase brightness

b. Enhance area of interest

c. Increase contrast

d. Change Nyquist limit

b.

7. Annotation is used for which of the following purposes?

a. Add text to the image

b. Control output power

c. Create an ultrasound report

d. Control overall system gain

a.

8. Ultrasound harmonic frequencies are the result of:

a. Side lobe artifacts

b. Strong reflectors in the near field

c. Propagation of ultrasound through tissue

d. Weak reflectors in the far field

...

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