Mosby's 375 Review Guide Comprehensive Quiz Questions With Answers|89 Pages
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Course
Mosby\'s
Institution
Mosby\'s
The Lisfranc joint is the articulation between the:
A. Tarsals and metatarsals
B. Metatarsals and lower leg
C. Proximal and middle phalanges
D. Metatarsals and middl phalanges - ️️A. Tarsals and metatarsals
The longitudinal dimension of the voxel corresponds to the _______ of scanning
...
Mosby's 375 Review Guide Quiz
Questions
The Lisfranc joint is the articulation between the:
A. Tarsals and metatarsals
B. Metatarsals and lower leg
C. Proximal and middle phalanges
D. Metatarsals and middl phalanges - ✔ ✔ A. Tarsals and metatarsals
The longitudinal dimension of the voxel corresponds to the _______ of scanning
A. x axis
B. y axis
C. z axis - ✔ ✔ C. z axis
The mAs value for a given acquisition is directly proportional to ______ ____ and inversely proportional
to _____ ________
A. Image noise, patient radiation
B. Patient radiation, image noise
C. Tube voltage, kVp
D. kVp, tube voltage - ✔ ✔ B. Patient radiation, image noise
The material within the region of interest (ROI) measurement in the figure has a linear attenuation
coefficient of:
A. 0.0007
B. 0.185
,C. 0.206
D. 0.520 - ✔ ✔ C. 0.206
The mathematical technique that involves the estimation of an unknown value from values on either
side of it is known as:
A. Filtering
B. interpolation
C. Convolution
D. Summation - ✔ ✔ B. Interpolation
The mathematical technique utilized for generation of brain perfusion maps is referred to as
_______________ - ✔ ✔ The mathematical technique utilized for generation of brain perfusion
maps is referred to as deconvolution
The measurement of the scanner's performance through quality testing procedures and evaluation of
the test results
A. Quality control
B. Quarterly linearity
C. Constancy
D. Quality assurance - ✔ ✔ D. Quality assurance
The minimum pixel value along each ray to the viewer. This is primarily used for the biliary tree, colon,
lungs and trachea - ✔ ✔ Min-IP images
3 treatment responses for pulmonary edema (fluid in the lungs - ✔ ✔ 1. Give O2 (6-10 L/min)
2. Elevate torso
3. Administer diuretics: furosemide (Lasix) up to 20-40 mg IV
,Furosemide decreases the pressure caused by excess fluid in your heart and lungs
3 treatments for a patient have an allergic reaction with hypertension that is severe - ✔ ✔ First, you
want to check their blood pressure and pulse (this is not involved in the treatment assessment, this
should be done when everyone is having a reaction to get a baseline)
O2 6-10 L/min
Administer 20 mg labetalol IV slowly, may double dose every 10 minutes to 80 mg at 30 minutes (Helps
treat high BP) (Label treats high BP)
May consider nitroglycerine 0.4 mg tablet, sublingual repeated every 5 to 10 minutes. (prevents chest
pain caused by decreased blood flow to the heart (angina)
3rd generation CT scanners use which of the following scan geometries?
A. translate-rotate
B. Rotate-stationary
C. Transaxial
D. Rotate-rotate - ✔ ✔ D. Rotate-rotate
4 treatment for a patient having a seizure or convulsions - ✔ ✔ 1. monitor the patient and turned on
side to avoid aspiration
2. Give O2 6-10 L/min
3. Administer lorazepam slowly, 2 to 4 mg
4. Consider cardiopulmonary arrest response team for intubation if needed
_____ ____ ____ is the technical parameter controlling a CT system's temporal resolution. For example,
a gantry of rotation time of 400 msec results in a temporal resolution of 400 msec - ✔ ✔ Gantry
, rotation time is the technical parameter controlling a CT system's temporal resolution. For example, a
gantry of rotation time of 400 msec results in a temporal resolution of 400 msec
_____ spatial frequency algorithms offer improved contrast resolution - ✔ ✔ Low spatial frequency
algorithms offer improved contrast resolution
_______ technique involves establishing a field around the area of interest that is free of all
microorganisms - ✔ ✔ Sterile technique
__________ _________ of an MDCT system describes its ability to freeze the motion of the heart as well
as the arterial motion velocity within the coronary vasculature - ✔ ✔ Temporal resolution of an
MDCT system describes its ability to freeze the motion of the heart as well as the arterial motion
velocity within the coronary vasculature
_________________ refers to the source of the posterior descending artery (PDA) in a particular
patient. This is an important consideration in the evaluation of coronary artery anatomy during CCTA
___ % of the population is said to be right dominant - the PDA branches from the RCA
___ % of the population is said to be left dominant - the PDA branches from the LCX - ✔ ✔
Dominance refers to the source of the posterior descending artery (PDA) in a particular patient. This is
an important consdieraiton in the evaluation of coronary artery anatomy during CCTA
85% of the population is said to be right dominant - the PDA branches from the RCA
5 % of the population is said to be left dominant - the PDA branches from the LCX
------------------ - ✔ ✔ Chapter 5
22 g angio-catheters are sufficient for flow rates up to _____ mL/sec - ✔ ✔ 22 g angio-catheters are
sufficient for flow rates up to _____ mL/sec
A 16 slice MDCT system utilizes an adaptive array of 24 detectors, each ranging in size from 0.625 to
1.25 mm. What is the maximum sections the system can acquire with each rotation of the gantry?
A. 8
B. 16
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