CET Technology & Digital Tools 2

Question 1

Which DICOM tag stores the patient's date of birth in an echocardiography image file?

Accepted Answer

(0010,0030)

Answer

DICOM tag (0010,0030) is the Patient Birth Date attribute within the Patient module.

Question 2

In a PACS-integrated echo lab, which protocol is used to transfer images from the echo machine to the archive server?

Accepted Answer

DICOM C-STORE

Answer

DICOM C-STORE is the service operation used to push image objects from an acquisition device to a storage server.

Question 3

What does the term 'frame rate' refer to in digital echocardiography?

Accepted Answer

Number of 2D image frames acquired per second

Answer

Frame rate (frames per second) describes how many complete 2D images are captured each second, determining temporal resolution.

Question 4

Which knob or control on a modern echo machine adjusts the overall gain applied uniformly across the entire image depth?

Accepted Answer

Master gain

Answer

Master gain amplifies all returning signals equally regardless of depth, brightening or darkening the entire 2D image.

Question 5

A sonographer observes that the ECG trace displayed on the echo machine is inverted. Which component is most likely misconnected?

Accepted Answer

Right arm (RA) and left arm (LA) electrodes swapped

Answer

Swapping the RA and LA leads inverts the polarity of Lead I, which is the ECG trace displayed on most echo systems.

(CET) Certified Echocardiography Technician Practice Test