Exam (elaborations)
ARRT Mock Exam 2.
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- System Of Equations And Inequalities
Exam of 38 pages for the course System of Equations and Inequalities at System of Equations and Inequalities (ARRT Mock Exam 2.)
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ARRT Mock Exam 2A 0.5-mm Pb equivalent apron will attenuate what percentage of the scattered beam at
100 kV?
A 25%
B 50%
C 75%
D 100% - ANS-c
A controlled area is one that is
A restricted to access by nonradiation workers only
B monitored by survey meters
C occupied by radiation workers
D occupied by the general population - ANS-c
A direct relationship exists between image brightness and
A range of densities
B radiographic contrast
C window level
D window width - ANS-c
A vasomotor effect experienced after injection of a contrast agent is characterized by all
of the following symptoms except
A nausea.
B syncope.
C hypotension.
D anxiety - ANS-c
A wider (increased) window width (select the two that apply)
A decreases the range of densities
B increases the image contrast
C increases the range of densities
D decreases the image contrast - ANS-CD
According to CFR, Title 21, for continued awareness of patient exposure during
fluoroscopic procedures, cumulative air kerma is displayed in what unit?
A mR
B R/min
C mGyt
,D mGya - ANS-d
After selecting a suitable needle or intravenous catheter, which part of the needle is
attached to the syringe?
A Gauge
B Bevel
C Bore
D Hub - ANS-d
All of the following are true statements, except:
A Anticholinergic drugs increase blood pressure and decrease heart rate.
B An audible alarm from an infusion/medication pump usually signals that fluid is
running low or its flow has been interrupted.
C Avoid elevating the left arm when performing mobile chest x-rays within the first 48
hours following pacemaker insertion.
D OR persons in sterile gown and gloves must pass each other back-to-back. - ANS-a
All the following statements regarding the use of iodinated contrast agents with patients
taking metformin hydrochloride are true except
A metformin is used to help lower blood sugar levels in type 2 diabetic patients.
B ACR recommends that metformin (Glucophage) patients be classified in two ways
C metformin should be withheld for 48 hours before IV iodinated contrast studies.
D metformin patients with no evidence of AKI and eGFR ≥30 mL/l.732 need not
discontinue metformin before or after contrast - ANS-c
An RAO sternum on a patient having a deep, barrel-shaped chest will require what level
of obliquity compared to an RAO sternum on a patient having a shallow chest?
AThe same amount of
BSlightly more
CSignificantly more
DSlightly less - ANS-d
Bones embedded in certain tendons, often present near various joints, are called which
of the following?
A Long
B Flat
C Short
D Sesamoid - ANS-d
Choosing an mA (milliamperage) station
,1. Determines the current
2. Determines the number of electrons boiled off the filament
3. Determines the filament (small or large)
4. Determines the resistance
A 1 and 4 only
B 2 only
C 2 and 3 only
D All of the above - ANS-d
Elevated creatinine levels are most often seen in patients with compromised function of
the
A heart
B liver
C bladder
D kidneys - ANS-d
Enteral routes of drug administration include (select the four that apply)
A intrathecal
B rectal
C buccal
D oral
E nasogastric - ANS-BCDE
Examples of immobilization devices, techniques, and equipment used in radiography
include
I. sandbags
II. compression band
III. radiolucent sponges
A III only
B I and II only
C II and III only
D I, II, and III - ANS-d
Filters used in personal radiation monitors serve to
A protect the user from scattered radiation.
B protect the user from leakage radiation.
C decrease the ionizing properties of the radiation.
D identify the type and energy of ionizing radiation. - ANS-d
Fluoroscopic magnification mode
, A increases patient dose.
B decreases patient dose.
C decreases mA.
D decreases resolution. - ANS-a
From the following list, select the 2 factors having the most impact on receptor
exposure:
I. focal spot size
II. SID
III. OID
IV. kVp
AI and II
BII and IV
CI and III
DIII and IV - ANS-b
From the following list, select the 4 factors that can impact receptor exposure:
1. part thickness
2. anode heel effect
3. workstation monitor
4. focal spot size
5. AEC photocell selection
6. pathology
A1, 3, 4, 6
B2, 4, 5, 6
C2, 3, 4, 6
D1, 2, 5, 6 - ANS-d
From the following list, select the factor(s) having an impact on image distortion:
I. part thicknessII. x-ray tube angle
III. kV selection
IV. IR placement
AII, III, IV only
BII, IV only
CI, II, IV only
DI, III only - ANS-c
From the following list, select the factor(s) that are most likely to have an impact on
image contrast:
I. part thickness
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