TEXTBOOK OF DIAGNOSTIC
SONOGRAPHY HAGEN ANSERT NINTH
EDITION TEST BANK CHAPTERS ONE TO
SIXTY FIVE 2026 QUESTIONS ANSWERS
GRADED A+
⩥The early application of obstetric ultrasound was initiated by who?
Answer: Ian Donald
⩥Visualization of the cardiac structures in the heart was discovered by
___________.
Answer: 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.
Answer: sonographers perform ultrasound studies and gather diagnostic
data independent of the physician.
⩥In soft tissues, the assumed propagation velocity is ______ m/s.
Answer: 1540
,⩥The diagnostic ultrasound uses the frequencies of ______.
Answer: 1-20 MHz
⩥What defines the correct dynamic range?
Answer: 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
______.
Answer: transducer
⩥The ______ is the product of the velocity of sound in a medium and
the density of the medium
Answer: acoustic impedance
⩥The angle of reflection is equal to ______.
Answer: angle of incidence
⩥the best transducer to image the thyroid gland is ______.
Answer: 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
Answer: M
⩥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.
Answer: the beam should be perpendicular to the flow
⩥The fresnel zone is also called the ______ ______.
Answer: near zone
⩥The higher the transducer frequency, the ______ the wavelength
Answer: 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
Answer: the patient states he has a back pain
SONOGRAPHY HAGEN ANSERT NINTH
EDITION TEST BANK CHAPTERS ONE TO
SIXTY FIVE 2026 QUESTIONS ANSWERS
GRADED A+
⩥The early application of obstetric ultrasound was initiated by who?
Answer: Ian Donald
⩥Visualization of the cardiac structures in the heart was discovered by
___________.
Answer: 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.
Answer: sonographers perform ultrasound studies and gather diagnostic
data independent of the physician.
⩥In soft tissues, the assumed propagation velocity is ______ m/s.
Answer: 1540
,⩥The diagnostic ultrasound uses the frequencies of ______.
Answer: 1-20 MHz
⩥What defines the correct dynamic range?
Answer: 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
______.
Answer: transducer
⩥The ______ is the product of the velocity of sound in a medium and
the density of the medium
Answer: acoustic impedance
⩥The angle of reflection is equal to ______.
Answer: angle of incidence
⩥the best transducer to image the thyroid gland is ______.
Answer: 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
Answer: M
⩥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.
Answer: the beam should be perpendicular to the flow
⩥The fresnel zone is also called the ______ ______.
Answer: near zone
⩥The higher the transducer frequency, the ______ the wavelength
Answer: 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
Answer: the patient states he has a back pain
