EDELMAN UNDERSTANDING ULTRASOUND
PHYSICS EXAM REVIEW EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2025-2026 ALREADY GRADED A+
True or false? Focused sound beams are considered less likely to create
bioeffects because the beams will strike fewer gas bubbles that could
potentially cavitate. - ANSWERS-True
True or false? It is generally believed that the ultrasound bioeffects are minimal
at intensity levels typical of those produced by diagnostic imaging equipment. -
ANSWERS-True
,A comprehensive and scholarly review of bioeffects is performed by the
American Institute of Ultrasound in Medicine for all of the following reasons
except :
a. Ultrasound is a versatile technique
b. Ultrasound has proven widespread clinical utility
c. Ultrasound is considered highly toxic
d. Applications of ultrasound are growing considerably - ANSWERS-Ultrasound
is considered highly toxic
Two digital scan converters are undergoing evaluation. System A has 1,000,000
pixels and the picture size is 100 square inches. System B has an image size of 10
square inches composed of 250,000 pixels. Which image is more likely to display
very small details?
a. System A
b System B
c. Both are the same
d. Cannot be determined - ANSWERS-System B
What happens to a digital image when the pixel density increases?
a. Spatial detail improves
b. Temporal resolution increases
c. The field of view expands
d. There are more shades of gray - ANSWERS-Spatial detail improves
,Two digital scan converters are undergoing evaluation. System A has 1,000,000
pixels, with 10 bits assigned to each. System B has 250,000 pixels, with 12 bits
assigned to each. Which system is more likely to have the capability to display
very small details in an image?
A. System A
B System B
C. both are the same
D. cannot be determined - ANSWERS-System A
What is the smallest part of a digital picture called?
a. Bit
b. Byte
c. Pixel
d. Fractel - ANSWERS-Pixel
True or false? The greater the number of bits assigned to each pixel of a digital
image, the greater the number of shades of gray the image has. - ANSWERS-
True
How are caloric intake and weight related?
a. Inversely
b. Partially
c. Reciprocally
, d. Directly - ANSWERS-Directly
How is weight related to a sonographer's time spent exercising?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - ANSWERS-Inversely
What is the reciprocal of 1,000?
a. One-hundredth
b. 1,000
c. 0.001
d. One-millionth - ANSWERS-0.001
What is the reciprocal of 5?
a. One-hundredth
b. 5
c. 1/5
d. One-millionth - ANSWERS-1/5
What is the reciprocal of 1/10?
a. One-hundredth
PHYSICS EXAM REVIEW EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2025-2026 ALREADY GRADED A+
True or false? Focused sound beams are considered less likely to create
bioeffects because the beams will strike fewer gas bubbles that could
potentially cavitate. - ANSWERS-True
True or false? It is generally believed that the ultrasound bioeffects are minimal
at intensity levels typical of those produced by diagnostic imaging equipment. -
ANSWERS-True
,A comprehensive and scholarly review of bioeffects is performed by the
American Institute of Ultrasound in Medicine for all of the following reasons
except :
a. Ultrasound is a versatile technique
b. Ultrasound has proven widespread clinical utility
c. Ultrasound is considered highly toxic
d. Applications of ultrasound are growing considerably - ANSWERS-Ultrasound
is considered highly toxic
Two digital scan converters are undergoing evaluation. System A has 1,000,000
pixels and the picture size is 100 square inches. System B has an image size of 10
square inches composed of 250,000 pixels. Which image is more likely to display
very small details?
a. System A
b System B
c. Both are the same
d. Cannot be determined - ANSWERS-System B
What happens to a digital image when the pixel density increases?
a. Spatial detail improves
b. Temporal resolution increases
c. The field of view expands
d. There are more shades of gray - ANSWERS-Spatial detail improves
,Two digital scan converters are undergoing evaluation. System A has 1,000,000
pixels, with 10 bits assigned to each. System B has 250,000 pixels, with 12 bits
assigned to each. Which system is more likely to have the capability to display
very small details in an image?
A. System A
B System B
C. both are the same
D. cannot be determined - ANSWERS-System A
What is the smallest part of a digital picture called?
a. Bit
b. Byte
c. Pixel
d. Fractel - ANSWERS-Pixel
True or false? The greater the number of bits assigned to each pixel of a digital
image, the greater the number of shades of gray the image has. - ANSWERS-
True
How are caloric intake and weight related?
a. Inversely
b. Partially
c. Reciprocally
, d. Directly - ANSWERS-Directly
How is weight related to a sonographer's time spent exercising?
a. Inversely
b. Conversely
c. Directly
d. Unrelated - ANSWERS-Inversely
What is the reciprocal of 1,000?
a. One-hundredth
b. 1,000
c. 0.001
d. One-millionth - ANSWERS-0.001
What is the reciprocal of 5?
a. One-hundredth
b. 5
c. 1/5
d. One-millionth - ANSWERS-1/5
What is the reciprocal of 1/10?
a. One-hundredth
