Diagnostic Imaging: Part I

What happens to crystals within the ultrasound transducer when strong, short electrical impulses hit them?

• They harden

• They melt

• The vibrate

• The break apart

Tags

NGSS.HS-PS2-5

To obtain a caudocranial view of the tibia of a small animal, the patient should be in which of the following positions?

• Sternal recumbency

• Dorsal recumbency

• Right lateral recumbency

• Left lateral recumbency

All of the following are components of the x-ray tube, except:

• Cathode

• Anode

• Grid

• Tungsten filament

What is the purpose of the foil backing on dental x-ray film?

• To absorb exiting remnant radiation

• To be able to mold to the shape of the tooth

• To create a waterproof barrier around the film

• None of the above

Which of the following imaging modalities produces images without the use of radiation?

• X-ray

• Ultrasound

• Fluoroscopy

• CT

To obtain a radiographic image of both temporomandibular joints of a small animal, which of the following is the best position?

• Dorsal recumbency

• Ventral recumbency

• Right lateral recumbency

• Sternal recumbency

Which of the following kV will produce more scatter and secondary radiation?

• 40 kV

• 60 kV

• 70 kV

• 110 kV

Meters to measure the rate of exposure is also known as:

• Dosimeter

• Fluoroscopy

• Collimation

• Shielding

Which of the following is the best method for storing lead x-ray gowns?

• Folded and kept in a drawer to prevent overexposure

• Hung up by the shoulders when not in use

• Draped across the table with the tail end hanging off the side

• None of the above

Which of the following radiographic term best describes the radiographic projection obtained by passing the primary x-ray beam from the caudal surface to the cranial surface of a structure?

• Plantar

• Dorsopalmar

• Palmar

• Caudocranial