Core Sonography Canada Exam 2026
Questions and Answers
What is the Doppler Shift Formula? - Correct answer-fd = f echo - f transmit
*What is the formula for resistance?
*What are the units of Resistance - Correct answer-Units: Pa*s/m^3 or Pa*s/cm^3
Alternate formula = 128nL/πD^4
What is attenuation proportional to? - Correct answer-Frequency
Wavelength equals - Correct answer-c/f
1cc= - Correct answer-1 cm3 = 1mL = 10 -3 L
What is the formula for Frame Rate? - Correct answer-
What is the formula for Pulse Period? - Correct answer-
What is the Formula for Spatial Pulse Length? - Correct answer-
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,What is the Formula for Doppler Frequency? (with Velocity) - Correct answer-
What is the formula for Velocity (for Doppler Imaging?) - Correct answer-
What are some other versions of the Doppler Velocity Formula? - Correct answer-
What is the formula for Pulse Repetition Frequency? - Correct answer-
*What is Volume?
*What are the Units of Volume? - Correct answer-*Volume is the amount of space
the object occupies
* CC = cm3, mL, L, mm3, oz, gallons, m3
*What is the formula for flow?
*What law is this regarding? - Correct answer-Poiseuille's Law
*What diseases are contact precautions?
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,*What precautions are taken? - Correct answer-*CDiff, MRSA, Lice, Scabies,
CPO, VRE
*Gloves, gown, [face and eye protection as per risk assessment]. Hand hygiene.
-Sign on door
-Door may remain open.
What diseases are Contact Plus?
*What extra precautions are taken compared to regular contact? - Correct answer-
*CDiff
Same as contact except extra housecleaning
*What diseases are Droplet?
*What precautions are taken? - Correct answer-*Meningitis, mumps, pertussis
(whooping cough).
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, *Mask, eye protection, hand hygiene,
-Sign on door. 2 m separation between patients.
-Door can remain open.
*What diseases are both Droplet and Contact?
*What precautions are taken? - Correct answer-*Flu, strep, rubella.
*Gloves, gown, mask, eye protection, hand hygiene
-Sign on door. 2 m separation between patients.
-Door can remain open.
*What diseases are airborne?
*What precautions are taken? - Correct answer-*TB, measles.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
Questions and Answers
What is the Doppler Shift Formula? - Correct answer-fd = f echo - f transmit
*What is the formula for resistance?
*What are the units of Resistance - Correct answer-Units: Pa*s/m^3 or Pa*s/cm^3
Alternate formula = 128nL/πD^4
What is attenuation proportional to? - Correct answer-Frequency
Wavelength equals - Correct answer-c/f
1cc= - Correct answer-1 cm3 = 1mL = 10 -3 L
What is the formula for Frame Rate? - Correct answer-
What is the formula for Pulse Period? - Correct answer-
What is the Formula for Spatial Pulse Length? - Correct answer-
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,What is the Formula for Doppler Frequency? (with Velocity) - Correct answer-
What is the formula for Velocity (for Doppler Imaging?) - Correct answer-
What are some other versions of the Doppler Velocity Formula? - Correct answer-
What is the formula for Pulse Repetition Frequency? - Correct answer-
*What is Volume?
*What are the Units of Volume? - Correct answer-*Volume is the amount of space
the object occupies
* CC = cm3, mL, L, mm3, oz, gallons, m3
*What is the formula for flow?
*What law is this regarding? - Correct answer-Poiseuille's Law
*What diseases are contact precautions?
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,*What precautions are taken? - Correct answer-*CDiff, MRSA, Lice, Scabies,
CPO, VRE
*Gloves, gown, [face and eye protection as per risk assessment]. Hand hygiene.
-Sign on door
-Door may remain open.
What diseases are Contact Plus?
*What extra precautions are taken compared to regular contact? - Correct answer-
*CDiff
Same as contact except extra housecleaning
*What diseases are Droplet?
*What precautions are taken? - Correct answer-*Meningitis, mumps, pertussis
(whooping cough).
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, *Mask, eye protection, hand hygiene,
-Sign on door. 2 m separation between patients.
-Door can remain open.
*What diseases are both Droplet and Contact?
*What precautions are taken? - Correct answer-*Flu, strep, rubella.
*Gloves, gown, mask, eye protection, hand hygiene
-Sign on door. 2 m separation between patients.
-Door can remain open.
*What diseases are airborne?
*What precautions are taken? - Correct answer-*TB, measles.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
