Diagnostic Sonography Ch 1-4 exam
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The ______ is the product of the velocity of sound in a medium and the
density of the medium - ANSWERS-acoustic impedance
The angle of reflection is equal to ______. - ANSWERS-angle of incidence
the best transducer to image the thyroid gland is ______. - ANSWERS-5
(the one with the highest frequency)
The display mode that shows time along the horizontal axis and depth
along the vertical axis is ______ mode - ANSWERS-M
The early application of obstetric ultrasound was initiated by who? -
ANSWERS-Ian Donald
Historically, the development of ultrasound began shortly after ______. -
ANSWERS-sonar in world war II
,Visualization of the cardiac structures in the heart was discovered by
___________. - ANSWERS-Hertz and Elder
Which of the following statements about the role of sonographers is false?
a) Sonographers must have a technical aptitude, b) sonographers must be
able to communicate on different levels, c) sonographer must possess
intellectual curiosity, d) sonographers perform ultrasound studies and
gather diagnostic data independent of the physician. - ANSWERS-
sonographers perform ultrasound studies and gather diagnostic data
independent of the physician.
In soft tissues, the assumed propagation velocity is ______ m/s. -
ANSWERS-1540
The diagnostic ultrasound uses the frequencies of ______. - ANSWERS-1-
20 MHz
What defines the correct dynamic range? - ANSWERS-Ratio of the largest
to the smallest signals that an instrument can respond to without distortion
The device that converts energy from one form to another is called ______.
- ANSWERS-transducer
Which one of the following statements about the doppler principle is false?
a) the beam should be perpendicular to the flow, b) doppler refers to a
change in frequency in which the motion of laminar flow is detected within a
vascular structure, c) the doppler shift is directly proportional to the velocity
of the red cell, d)if the cell moves away from the transducer then the fall in
frequency is directly proportional to the velocity and direction of the red
, blood cell movement. - ANSWERS-the beam should be perpendicular to
the flow
The fresnel zone is also called the ______ ______. - ANSWERS-near zone
The higher the transducer frequency, the ______ the wavelength -
ANSWERS-shorter
An example of subjective data in a health history? a) the physician notes
bruising on the middle back, b) the patient states he has a back pain, c) x-
ray examinations show calcification in the pancreatic area, d) mri shows
calcification in the pancreas - ANSWERS-the patient states he has a back
pain
Which one of the following statements is inappropriate for the patients
interview process? a) assure the patient that the information will be
confidential, b) be sure the patient understands english, c) always use the
patients first name to establish a friendly relationship, d) explain how the
patient will receive information about the results of the examination. -
ANSWERS-always use the patients first name to establish a friendly
relationship
A type of solution that contains more hydrogen ions than hydroxyl is called
a ___________ solution - ANSWERS-acidic
Normal findings in gastrointestinal assessment include all of the following
except: a) impalpable spleen, b) impalpable liver, c) rigid abdominal
musculature, d) increased venous pressure over the interior vena cava. -
ANSWERS-rigid abdominal musculature
Which one of the following statements falls in the guidelines for
gastrointestinal assessment? a) bradycardia may occur with shock, b) fever
With Correct Detailed AND Analyzed
Answers | (100% Verified solutions) GET
IT 100% ACCURATE Answers
|Questions with Correct Answers 2026
Graded A+ Guarranteed SUCCESS!!
The ______ is the product of the velocity of sound in a medium and the
density of the medium - ANSWERS-acoustic impedance
The angle of reflection is equal to ______. - ANSWERS-angle of incidence
the best transducer to image the thyroid gland is ______. - ANSWERS-5
(the one with the highest frequency)
The display mode that shows time along the horizontal axis and depth
along the vertical axis is ______ mode - ANSWERS-M
The early application of obstetric ultrasound was initiated by who? -
ANSWERS-Ian Donald
Historically, the development of ultrasound began shortly after ______. -
ANSWERS-sonar in world war II
,Visualization of the cardiac structures in the heart was discovered by
___________. - ANSWERS-Hertz and Elder
Which of the following statements about the role of sonographers is false?
a) Sonographers must have a technical aptitude, b) sonographers must be
able to communicate on different levels, c) sonographer must possess
intellectual curiosity, d) sonographers perform ultrasound studies and
gather diagnostic data independent of the physician. - ANSWERS-
sonographers perform ultrasound studies and gather diagnostic data
independent of the physician.
In soft tissues, the assumed propagation velocity is ______ m/s. -
ANSWERS-1540
The diagnostic ultrasound uses the frequencies of ______. - ANSWERS-1-
20 MHz
What defines the correct dynamic range? - ANSWERS-Ratio of the largest
to the smallest signals that an instrument can respond to without distortion
The device that converts energy from one form to another is called ______.
- ANSWERS-transducer
Which one of the following statements about the doppler principle is false?
a) the beam should be perpendicular to the flow, b) doppler refers to a
change in frequency in which the motion of laminar flow is detected within a
vascular structure, c) the doppler shift is directly proportional to the velocity
of the red cell, d)if the cell moves away from the transducer then the fall in
frequency is directly proportional to the velocity and direction of the red
, blood cell movement. - ANSWERS-the beam should be perpendicular to
the flow
The fresnel zone is also called the ______ ______. - ANSWERS-near zone
The higher the transducer frequency, the ______ the wavelength -
ANSWERS-shorter
An example of subjective data in a health history? a) the physician notes
bruising on the middle back, b) the patient states he has a back pain, c) x-
ray examinations show calcification in the pancreatic area, d) mri shows
calcification in the pancreas - ANSWERS-the patient states he has a back
pain
Which one of the following statements is inappropriate for the patients
interview process? a) assure the patient that the information will be
confidential, b) be sure the patient understands english, c) always use the
patients first name to establish a friendly relationship, d) explain how the
patient will receive information about the results of the examination. -
ANSWERS-always use the patients first name to establish a friendly
relationship
A type of solution that contains more hydrogen ions than hydroxyl is called
a ___________ solution - ANSWERS-acidic
Normal findings in gastrointestinal assessment include all of the following
except: a) impalpable spleen, b) impalpable liver, c) rigid abdominal
musculature, d) increased venous pressure over the interior vena cava. -
ANSWERS-rigid abdominal musculature
Which one of the following statements falls in the guidelines for
gastrointestinal assessment? a) bradycardia may occur with shock, b) fever
