Deck 2: Ultrasound Instrumentation: Knobology, Imaging Processing, and Storage

Question 1

When the focal zone indicator is set too deep for the organ being examined

A) the echogenicity is too bright.
B) the resolution is suboptimal.
C) the light output is inadequate.
D) the organ needs to be repositioned.

Answer 1

B
The focal zone should be set at the level of the area of interest. It provides the correct scan depth, ensuring optimal visualization of the target organ.

Question 2

The alphanumeric keyboard is used to

A) enter new patient information.
B) perform the initial configuration at installation of the ultrasound unit.
C) indicate which patient will be examined next.
D) house the sonologist workstation.

Answer 2

A
The alphanumeric keyboard controls allow the sonographer to enter the patient's name, ID number, and full screen annotation. The keyboard also may include specific function keys.

Question 3

An advantage of the Hospital Information System is electronic storage of patients' demographics and chart information. ____

Answer 3

True
The Hospital Information System electronically stores patients' demographics and chart information.

Question 4

The trace function

A) places cursors for distance measurement.
B) erases cursors, outlines, and measurement results.
C) places cursors for distance and transverse measurements.
D) outlines circumference measurements.

Question 5

The TGC control can strengthen echoes that are

A) returning from deep tissues.
B) emitted from the transducer to deep tissues.
C) returning from superficial tissues.
D) emitted from the transducer to superficial tissues.

Question 6

The Worklist electronic program allows sonographers to

A) connect the Hospital Information System, Radiology Information System, and Picture Archiving and Communication System in one database.
B) order the patient examinations for the day.
C) query for patient demographic information from the ultrasound system.
D) engage the preset function of the system.

Question 7

The advantages of the Radiology Information System include appointment scheduling and the use of work lists. ____

Question 8

The HELP menu provides quick access to the

A) on/off switch.
B) primary imaging controls.
C) reference manual.
D) clinical application specialist.

Question 9

The advantages of the Picture Archiving and Communication System include a capability for remote radiologic consultation. ____

Question 10

Teleradiology involves radiologic consultations done within the imaging center where an examination was performed. ____

Question 11

The posterior border of the gallbladder cannot be seen on sagittal view; it appears to be cut off. Which control is most likely to correct this?

A) Depth
B) Frequency
C) TGC
D) Cine loop

Question 12

A student sonographer notices that the TGC curve is lengthening and shortening rapidly. What is the probable cause of this?

A) Equipment malfunction
B) Back and forth manipulation of the TGC control
C) Too high a setting on the frequency control
D) Rapid patient breathing

Question 13

PACS is a computer technology system that

A) captures the patient's demographics and other information from the person's medical record.
B) allows for storage of digital images.
C) unites the Hospital Information System and the Radiology Information System.
D) automatically selects the correct frequency, depth, and focal zone controls.

Question 14

The body pattern control

A) displays the body pattern to indicate patient positioning.
B) adjusts automatically when the patient is turned to another position.
C) allows pulsed wave and M-mode images to overlie the body pattern.
D) adjusts the detail for images.

Question 15

The sonologist has requested a side-by-side comparison view. Which control should be used?

A) Focal zone position
B) Focal zone number
C) Left/right key
D) Imaging preset

Question 16

The frequency control ensures that

A) imaging depth is appropriate.
B) tissue resolution is adequate.
C) the right focal zone is used.
D) the image freezes.

Question 17

Annotation On/Off

A) erases the last character to the left of the cursor.
B) erases all user-entered annotations, starting at the cursor's location.
C) clears the patient's ID number and stored images.
D) allows comments to be entered on the screen.

Question 18

Doppler can be added to the image by which control?

A) M mode
B) Brightness and contrast
C) Power Doppler
D) Trackball

Question 19

Which is the proper order for operating the ultrasound system?

A) Adjust the TGC, focal zones, and image size; enter the patient's name and ID number; and select the transducer
B) Adjust the focal zones, image size, and TGC; select the transducer; and enter the patient's name and ID number
C) Enter the patient's name and ID number; adjust the focal zones, image size, and TGC; and select the transducer
D) Enter the patient's name and ID number; select the transducer; and adjust the TGC, focal zones, and image size

Question 20

Sonographers must learn to use a wide range of technologic tools to ensure optimum imaging and to facilitate sonologist reporting. ____

Question 21

List the steps followed to operate an ultrasound system.

Question 22

Explain why it is important to learn the knobology of the ultrasound system.

Question 23

Describe the differences between PACS, HIS, and RIS.

Question 24

Compare and contrast the functions of the keyboard controls: primary imaging controls, calculation controls, and additional controls.

Question 25

Discuss the functions of the Worklist program.