Question 1

The main anatomy shown on this image is a(n) __________.

Accepted Answer

breast lesion
The image demonstrates a breast lesion on 3D ultrasound.

Question 2

Rendering algorithms include
A) surface and orthogonal modes.
B) minimum and surface modes.
C) both of the above
D) none of the above

Accepted Answer

Rendering algorithms include maximum, minimal, surface, and inversion modes.

Question 3

The inversion mode
A) is a type of rendering.
B) shows hypoechoic structures as solids.
C) a and b
D) none of the above

Accepted Answer

The inversion mode is a type of rendering that shows hypoechoic or anechoic structures as solids, giving the appearance of a cast or a mold.

Question 4

Matrix array transducers contain hundreds of imaging elements. ____

Accepted Answer

Matrix transducers contain thousands of imaging elements.

Question 5

Spatiotemporal image correlation (STIC) is most useful for evaluating the
A) neonatal brain.
B) gravid uterus.
C) prostate.
D) fetal heart.

Accepted Answer

STIC is used to evaluate the fetal heart. A longer acquisition time (7.5 to 15 seconds) is required. The result is a single moving, beating, continuous heart cycle.

Question 6

The main anatomy shown on this image is a(n) __________.

Accepted Answer

The answer of The main anatomy shown on this image...

Question 7

For a multiplanar format, data must be achieved from the
A) original acquisition plane.
B) three orthogonal planes.
C) fourth acquisition plane.
D) none of the above

Accepted Answer

For a multiplanar format, data must be achieved in the longitudinal, transverse, and coronal planes.

Question 8

With automatic acquisition the "Region of Interest" box requires the sonographer to
A) move the transducer across the area of interest.
B) keep the transducer stationary.
C) turn the patient so that the area of interest is closest to the transducer.
D) perform an algorithm.

Accepted Answer

With automatic acquisition the "Region of Interest"' box is used with dedicated 3D transducers in which the elements move while the sonographer holds the transducer stationary.

Question 9

The foreign object shown in this figure is a(n) ___________.

Accepted Answer

The answer of The foreign object shown in this figure...

Question 10

In this figure, the image shown in surface mode is in the __________ corner.

Accepted Answer

The answer of In this figure, the image shown in...

Question 11

The main anatomy shown on this image is the __________.

Accepted Answer

The answer of The main anatomy shown on this image...

Question 12

Matrix array transducers represent advances in volume transducers. ____

Accepted Answer

Matrix transducers have been used in echocardiography, and additional clinical applications are sure to evolve.

Question 13

Three-dimensional ultrasound consists of which three steps?
A) Measurements, volume data set, and minimum mode
B) Measurements, flat screen image, and algorithms
C) Volume acquisition, measurements, and 3D rendering
D) Volume acquisition, multiplanar display, and 3D rendering

Accepted Answer

Volume acquisition, multiplanar display, and 3D rendering are essential to 3D ultrasound imaging.

Question 14

Applications for three-dimensional (3D) ultrasound include which of the following?
A) Gynecologic procedures
B) Musculoskeletal procedures
C) Neither of the above
D) a and b

Accepted Answer

Applications for 3D ultrasound include gynecologic, abdominal, prostate, neonatal, musculoskeletal, urologic, pediatric, and invasive procedures, as well as procedures involving small body parts. New uses are still being identified.

Question 15

The SonoVCAD and SonoAVC are volumetric advances that can identify the
A) nongravid uterus and early pregnancy.
B) fetal heart outflow tract and ovarian follicles.
C) neonatal brain in three orthogonal views.
D) adult and pediatric urinary system.

Accepted Answer

SonoVCAD and SonoAVC are technologic advances that allow imaging of the fetal heart outflow tract (SonoVCAD) and the ovarian follicles (SonoAVC).

Question 16

The most important step in acquiring 3D ultrasound images is
A) volume acquisition.
B) reconstruction.
C) rendering.
D) movement of the transducer.

Accepted Answer

Volumedata acquisition is the most essential step in 3D imaging.

Question 17

The acquisition of patient anatomy using 3D is called acquiring
A) a volume data set.
B) a flat screen image.
C) algorithms.
D) measurements.

Accepted Answer

Acquiring the volume data set is also called volume acquisition.

Question 18

The 4 in 4D ultrasound refers to
A) a special algorithm.
B) space.
C) time.
D) velocity.

Accepted Answer

The fourth dimension is time. The 3 in 3D refers to the three orthogonal views from which data are acquired.

Question 19

Volume acquisition can be done by
A) automatic and orthogonal acquisition.
B) orthogonal and 4D acquisition.
C) automatic or manual acquisition.
D) none of the above

Accepted Answer

Volume acquisition can be done either by manual or by automatic acquisition.

Question 20

Four-dimensional imaging can be done only with
A) existing ultrasound systems with a 3D option.
B) 3D systems that use electromagnetic positioning sensors.
C) dedicated 3D transducers.
D) offline systems that attach to the ultrasound transducer.

Accepted Answer

Dedicated 3D transducers provide the easiest, most accurate and reproducible 3D images at this time. These dedicated volume transducers also are the only way to perform 4D ultrasound.

Quiz 30: Three-Dimensional Ultrasound

The main anatomy shown on this image is a(n) __________.

Rendering algorithms include

The inversion mode

Matrix array transducers contain hundreds of imaging elements. ____

Spatiotemporal image correlation (STIC) is most useful for evaluating the

The main anatomy shown on this image is a(n) __________.

For a multiplanar format, data must be achieved from the

With automatic acquisition the "Region of Interest" box requires the sonographer to

The foreign object shown in this figure is a(n) ___________.

In this figure, the image shown in surface mode is in the __________ corner.

The main anatomy shown on this image is the __________.

Matrix array transducers represent advances in volume transducers. ____

Three-dimensional ultrasound consists of which three steps?

Applications for three-dimensional (3D) ultrasound include which of the following?

The SonoVCAD and SonoAVC are volumetric advances that can identify the

The most important step in acquiring 3D ultrasound images is

The acquisition of patient anatomy using 3D is called acquiring

The 4 in 4D ultrasound refers to

Volume acquisition can be done by

Four-dimensional imaging can be done only with