Diagnostic Imaging VTNE ACTUAL
Questions and CORRECT Answers
Which one of the following imaging modalities produces images without the use of radiation? -
CORRECT ANSWER - Ultrasound
To obtain a radiographic image of both temporomandibular joints of a small animal, which of the
following is the best position? - CORRECT ANSWER - Sternal recumbency
When obtaining a lateral projection of the skull of small animals, where should the centering of
the image occur? - CORRECT ANSWER - Lateral canthus of the eye socket
Which grade level on the ossification index for newborn foals does a closed metacarpal and
metatarsal physes described? - CORRECT ANSWER - Grade 4
What element is found within the transducer of an ultrasound machine? - CORRECT
ANSWER - Piezoelectric ceramics
To obtain a dorsoventral view of the abdomen of a rabbit, where should the center of the beam be
focused? - CORRECT ANSWER - Center over the liver
What happens to crystals within the ultrasound transducer when strong, short electrical pulses
strike them? - CORRECT ANSWER - They vibrate
What is the speed of sound through fat tissue? - CORRECT ANSWER - 1460 m/s
At what age in foals does the closure of the proximal growth plate of P2 occur? - CORRECT
ANSWER - 18-30 weeks
, A deformity, in which the interior angle of the joint, viewed frontally, is <180 degrees, is known
as what? - CORRECT ANSWER - Varus deformity
Where should the cassette be held when obtaining a dorsomedial-palmarolateral oblique view of
the carpus of a horse? - CORRECT ANSWER - Against the palmarolateral aspect of the
leg
What is the speed of sound through bone? - CORRECT ANSWER - 4080 m/s
Which of the following radiographic terms describes the caudal surface of the hind limb distal to
the carpus? - CORRECT ANSWER - Plantar
Approximately how many shades of gray are incorporated into the display of an image obtained
through ultrasound? - CORRECT ANSWER - 256 shades of gray
What is the correct definition of the abbreviation B-mode in ultrasound? - CORRECT
ANSWER - Brightness
Which of the following best describes the use for Doppler ultrasound? - CORRECT
ANSWER - Doppler is used to image the flow of blood and other liquids as well as to
measure their velocity
When using color-flow Doppler in ultrasound, what do the displayed red and blue colors mean? -
CORRECT ANSWER - The colors show blood flow; blue indicates flow away, and red
indicates flow toward.
Which radiographic view provides the best accuracy for evaluating major fracture dislocation
and conformational abnormalities in horses? - CORRECT ANSWER - Lateral view
What is the difference between color Doppler and power Doppler ultrasound? - CORRECT
ANSWER - Power Doppler is sensitive to slow flow and color Doppler indicates direction
of flow.
Questions and CORRECT Answers
Which one of the following imaging modalities produces images without the use of radiation? -
CORRECT ANSWER - Ultrasound
To obtain a radiographic image of both temporomandibular joints of a small animal, which of the
following is the best position? - CORRECT ANSWER - Sternal recumbency
When obtaining a lateral projection of the skull of small animals, where should the centering of
the image occur? - CORRECT ANSWER - Lateral canthus of the eye socket
Which grade level on the ossification index for newborn foals does a closed metacarpal and
metatarsal physes described? - CORRECT ANSWER - Grade 4
What element is found within the transducer of an ultrasound machine? - CORRECT
ANSWER - Piezoelectric ceramics
To obtain a dorsoventral view of the abdomen of a rabbit, where should the center of the beam be
focused? - CORRECT ANSWER - Center over the liver
What happens to crystals within the ultrasound transducer when strong, short electrical pulses
strike them? - CORRECT ANSWER - They vibrate
What is the speed of sound through fat tissue? - CORRECT ANSWER - 1460 m/s
At what age in foals does the closure of the proximal growth plate of P2 occur? - CORRECT
ANSWER - 18-30 weeks
, A deformity, in which the interior angle of the joint, viewed frontally, is <180 degrees, is known
as what? - CORRECT ANSWER - Varus deformity
Where should the cassette be held when obtaining a dorsomedial-palmarolateral oblique view of
the carpus of a horse? - CORRECT ANSWER - Against the palmarolateral aspect of the
leg
What is the speed of sound through bone? - CORRECT ANSWER - 4080 m/s
Which of the following radiographic terms describes the caudal surface of the hind limb distal to
the carpus? - CORRECT ANSWER - Plantar
Approximately how many shades of gray are incorporated into the display of an image obtained
through ultrasound? - CORRECT ANSWER - 256 shades of gray
What is the correct definition of the abbreviation B-mode in ultrasound? - CORRECT
ANSWER - Brightness
Which of the following best describes the use for Doppler ultrasound? - CORRECT
ANSWER - Doppler is used to image the flow of blood and other liquids as well as to
measure their velocity
When using color-flow Doppler in ultrasound, what do the displayed red and blue colors mean? -
CORRECT ANSWER - The colors show blood flow; blue indicates flow away, and red
indicates flow toward.
Which radiographic view provides the best accuracy for evaluating major fracture dislocation
and conformational abnormalities in horses? - CORRECT ANSWER - Lateral view
What is the difference between color Doppler and power Doppler ultrasound? - CORRECT
ANSWER - Power Doppler is sensitive to slow flow and color Doppler indicates direction
of flow.
