DMS 400 Exam Questions With Complete Solutions
(Sound travels in waves) think of Leonardo from Titanic!
Correct Answers Leonardo de Vinci
A device that converts energy from one form to another. Correct
Answers transducer
A path for sound to pass through without interference. Correct
Answers acoustic window
A receiver function that will equalize differences in received
echo amplitudes due to reflector depth. Measures strength of the
ultrasound beam. Correct Answers gain
A structure in the body defined as complex means what? Correct
Answers Has a variety of different echoes
A structure without internal echoes (shows up black on image):
Correct Answers anechoic/sonolucent
All images should include what 5 things? Correct Answers -pt.
name
-pt. ID# and/or DOB
-date/time
-facility
-sonographers/students initials or ID#
An echo-producing structure (reflects sound with a brighter
intensity). Correct Answers echogenic
,Area of the sonographic beam that is farthest from the
transducer during the scan? Correct Answers Far field
Area of the sonographic beam that is nearest to the transducer
during the scan? Correct Answers Near field
As sound travels, the width of the sound beam changes. Correct
Answers Focal zone
Audible sound is what? Correct Answers sound we can hear
Awkward physical positions of the sonographer and machine
might cause what kind of injuries? Correct Answers
musculoskeletal injuries
Completely uniform in texture: Correct Answers homogeneous
Converts electrical energy to sound energy and then converts the
sound back to electrical energy. Correct Answers ultrasound
transducer
Decreased or low-level echoes within a structure: Correct
Answers hypoechoic
Developed the theory of sound propagation. (sound is carried to
the ears by the movement of air) Correct Answers Aristotle
Diffraction can be compared to the way waves spread out behind
a boat while it moves. Who was this pioneer? Correct Answers
Augustin Fresnel
, Discovered a way to use the property of echoing sound waves to
detect underwater objects. Correct Answers Paul Langevin
Dividing body into anterior and posterior portions? Correct
Answers coronal plane
Dividing body into right and left portions? Correct Answers
sagittal or longitudinal plane
Dividing body into superior and inferior portions? Correct
Answers transverse or axial body plane
Every dot on a sonographic image represents what? Correct
Answers an echo
Example of a structure in the body that we have to try and get an
acoustic window with to see an organ? Correct Answers ribs
Example of a structure that is hypoechoic? Correct Answers
gallbladder with sludge
Examples of anechoic structures? Correct Answers fluid in
gallbladder, cyst, urinary bladder
For Obstetric/Gynecologic procedures what must we verify that
the patient has? Correct Answers a full bladder
Found that fluid structures are less likely what? Correct Answers
benign
(Sound travels in waves) think of Leonardo from Titanic!
Correct Answers Leonardo de Vinci
A device that converts energy from one form to another. Correct
Answers transducer
A path for sound to pass through without interference. Correct
Answers acoustic window
A receiver function that will equalize differences in received
echo amplitudes due to reflector depth. Measures strength of the
ultrasound beam. Correct Answers gain
A structure in the body defined as complex means what? Correct
Answers Has a variety of different echoes
A structure without internal echoes (shows up black on image):
Correct Answers anechoic/sonolucent
All images should include what 5 things? Correct Answers -pt.
name
-pt. ID# and/or DOB
-date/time
-facility
-sonographers/students initials or ID#
An echo-producing structure (reflects sound with a brighter
intensity). Correct Answers echogenic
,Area of the sonographic beam that is farthest from the
transducer during the scan? Correct Answers Far field
Area of the sonographic beam that is nearest to the transducer
during the scan? Correct Answers Near field
As sound travels, the width of the sound beam changes. Correct
Answers Focal zone
Audible sound is what? Correct Answers sound we can hear
Awkward physical positions of the sonographer and machine
might cause what kind of injuries? Correct Answers
musculoskeletal injuries
Completely uniform in texture: Correct Answers homogeneous
Converts electrical energy to sound energy and then converts the
sound back to electrical energy. Correct Answers ultrasound
transducer
Decreased or low-level echoes within a structure: Correct
Answers hypoechoic
Developed the theory of sound propagation. (sound is carried to
the ears by the movement of air) Correct Answers Aristotle
Diffraction can be compared to the way waves spread out behind
a boat while it moves. Who was this pioneer? Correct Answers
Augustin Fresnel
, Discovered a way to use the property of echoing sound waves to
detect underwater objects. Correct Answers Paul Langevin
Dividing body into anterior and posterior portions? Correct
Answers coronal plane
Dividing body into right and left portions? Correct Answers
sagittal or longitudinal plane
Dividing body into superior and inferior portions? Correct
Answers transverse or axial body plane
Every dot on a sonographic image represents what? Correct
Answers an echo
Example of a structure in the body that we have to try and get an
acoustic window with to see an organ? Correct Answers ribs
Example of a structure that is hypoechoic? Correct Answers
gallbladder with sludge
Examples of anechoic structures? Correct Answers fluid in
gallbladder, cyst, urinary bladder
For Obstetric/Gynecologic procedures what must we verify that
the patient has? Correct Answers a full bladder
Found that fluid structures are less likely what? Correct Answers
benign
