Core Sonography Canada Exam
question with answers
*Beamwidth changes with ________
*Frequency changes with _________ - -*Crystal Diameter
*Crystal Thickness
-*How many cycles are in B-Mode Imaging?
*How many cycles are in Doppler Imaging? - -B-Mode *1-3 cycles*
Doppler *8-16 cycles*
-*SPTA* is associated with ____________ bioeffects.
- What is the safe level?
*SPPA* is asspociated with ___________bioeffects.
-What is the safe level? - -*SPTA* - Thermal Bioeffects (think "T" = temperature)
* < 720 mW/cm^2 *
*SPPA* - (Mechinal) Cavitation Bioeffects
* < 190 W/cm^2 *
-*What are the Formulas for Pulsatility Index and Resistivity Index?
*Which one is larger and why? - -* PI > RI because Vmean < PSV
(dividing my a smaller #)
-*What are the values for one atmosphere?
(1 atmosphere = ________) - -760 Torr = 760 mmHg = 101.3 kPa = 14.7 psi
-*What diseases are airborne?
*What precautions are taken? - -*TB, measles.
*N95 Respirator.
-Sign on door. Private neg pressure room with private bathroom.
-Door closed.
-*What diseases are both airborne and contact?
*What precautions are taken? - -*Chicken Pox
*N95 Respirator, gown, gloves, hand hygiene
, Sign on door. Private neg pressure room with private bathroom.
-Door closed.
-*What diseases are both Droplet and Contact?
*What precautions are taken? - -*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 contact precautions?
*What precautions are taken? - -*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 Droplet?
*What precautions are taken? - -*Meningitis, mumps, pertussis (whooping cough).
*Mask, eye protection, hand hygiene,
-Sign on door. 2 m separation between patients.
-Door can remain open.
-*What does the coefficient of Viscocity measure?
*What are it's units? - -*How much internal friction a fluid has
*Pa*s
-*What is the Coefficient of Viscosity of blood?
*What is the Coefficient of Viscosity of water? - -*Blood (at 37 deg C) = 3.5 x 10^-3
*Water(at 0 deg C) = 1.8 x 10^-3
*Water (at 37 deg C) = 0.7 x 10^-3
-*What is the density of water?
*What is the density of blood? - -*Water = 1.00 x 10^3 kg/m^3
*Blood = 1.05 x 10^3 kg/m^3
question with answers
*Beamwidth changes with ________
*Frequency changes with _________ - -*Crystal Diameter
*Crystal Thickness
-*How many cycles are in B-Mode Imaging?
*How many cycles are in Doppler Imaging? - -B-Mode *1-3 cycles*
Doppler *8-16 cycles*
-*SPTA* is associated with ____________ bioeffects.
- What is the safe level?
*SPPA* is asspociated with ___________bioeffects.
-What is the safe level? - -*SPTA* - Thermal Bioeffects (think "T" = temperature)
* < 720 mW/cm^2 *
*SPPA* - (Mechinal) Cavitation Bioeffects
* < 190 W/cm^2 *
-*What are the Formulas for Pulsatility Index and Resistivity Index?
*Which one is larger and why? - -* PI > RI because Vmean < PSV
(dividing my a smaller #)
-*What are the values for one atmosphere?
(1 atmosphere = ________) - -760 Torr = 760 mmHg = 101.3 kPa = 14.7 psi
-*What diseases are airborne?
*What precautions are taken? - -*TB, measles.
*N95 Respirator.
-Sign on door. Private neg pressure room with private bathroom.
-Door closed.
-*What diseases are both airborne and contact?
*What precautions are taken? - -*Chicken Pox
*N95 Respirator, gown, gloves, hand hygiene
, Sign on door. Private neg pressure room with private bathroom.
-Door closed.
-*What diseases are both Droplet and Contact?
*What precautions are taken? - -*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 contact precautions?
*What precautions are taken? - -*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 Droplet?
*What precautions are taken? - -*Meningitis, mumps, pertussis (whooping cough).
*Mask, eye protection, hand hygiene,
-Sign on door. 2 m separation between patients.
-Door can remain open.
-*What does the coefficient of Viscocity measure?
*What are it's units? - -*How much internal friction a fluid has
*Pa*s
-*What is the Coefficient of Viscosity of blood?
*What is the Coefficient of Viscosity of water? - -*Blood (at 37 deg C) = 3.5 x 10^-3
*Water(at 0 deg C) = 1.8 x 10^-3
*Water (at 37 deg C) = 0.7 x 10^-3
-*What is the density of water?
*What is the density of blood? - -*Water = 1.00 x 10^3 kg/m^3
*Blood = 1.05 x 10^3 kg/m^3
