Exam (elaborations)
ARRT CI Review 2024
- Institution
- System Of Equations And Inequalities
Exam of 32 pages for the course System of Equations and Inequalities at System of Equations and Inequalities (ARRT CI Review 2024)
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ARRT CI Review 2024- ANS-B
Approximately what level of breathing is necessary to avoid cyanosis in an adult?
A. 2 breaths per minute
B. 10 breaths per minute
C. 20 breaths per minute
D. 30 breaths per minute - ANS-B.
Approximately 10 breaths per minute is required to avoid cyanosis in an adult.
Approximately what percentage of patients with single lesion vessels dilated with
percutaneous tansluminal coronary angioplasty remain patent for a year?
A. 20-30%
B. 40-50%
C. 70-80%
D. 90-95% - ANS-C
For what purpose is acetylcholine used?
A. vasoconstriction
B. vasodilation
C. anti-inflammation
D. anti-hypertension - ANS-B
For which of the following conditions are corticosteroids and diuretics useful?
1. anxiety
2. pulmonary edema
3. adult respiratory distress
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1,2, and 3 - ANS-C
For which of the following reasons is a percutaneous needle biopsy performed?
A. diagnosis
B. to relieve pressure
C. to maintain neurological activity
D. To measure ventricular pressure - ANS-A
,From which chamber does the pulmonary artery arise?
A. right ventricle
B. left ventricle
C. right atrium
D. left atrium - ANS-A
How is the inflation and deflation of the balloon controlled during percutaneous
transluminal coronary angioplasty?
A. calibrated pressure pump
B. manual control
C. high pressure injector
D. ventricular pressure monitor - ANS-A
How is the measurement of the flow rate of an automatic contrast injector determined?
A. contrast amount delivered per time
B. Heating device
C. contrast volume times contrast rate
D. syringe size - ANS-A
How long is the injection time for 12ml of contrast media delivered at 2.5 ml/sec?
A. 0.2 sec
B. 2.5 sec
C. 4.8 sec
D. 30 sec - ANS-Answer: C
Injection time is calculated as volume/time, so 12/2.5 equals 4.8 seconds
How long is the injection time for 12ml of contrast media delivered at 2.5 ml/sec?
A. 0.2 sec
B. 2.5 sec
C. 4.8 sec
D. 30 sec - ANS-C
How long is the injection time for 30ml of contrast media delivered at 3.7ml/sec?
A. 0.1sec
B. 4.5sec
C. 8.1sec
D. 111sec - ANS-Answer: C
Injection time is calculated as volume/time, so 30/3.7=8.1 seconds.
How long should anticoagulants be withheld before an angiogram?
,A. 4hrs
B. 12hrs
C. 24hrs
D. 48hrs - ANS-A
How long should compression remain following removal of an arterial catheter?
A. 2 min
B. 5 min
C. 10 min
D. 30 min - ANS-C
How many braches are normal for the right coronary artery?
A. 1-2
B. 2-7
C. 7-10
D. 10-15 - ANS-B
How many successive atrial ectopic beats constitutes PAT?
A. 1
B. 2
C. 3
D. 4 - ANS-C
In which of the following situations would it be possible to proceed with a radiographic
procedure although the patient clearly indicates refusal?
1. the patient is a minor and the parents give permission
2. the patient is over 95
3. the patient is a prisoner in the custody of an officer of the law, who gives permission
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2, and 3 - ANS-Answer B
What are the major sources of random noise in a digital fluoroscopy image?
1. unshielded electrical devices
2. quantum noise from fluctuations in photon density
3. electronic noise from the TV chain
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
, D. 1, 2, and 3 - ANS-Answer C
What can be determined when dividing the volume of contrast material delivered by the
rate of injection?
A. coefficient of contrast media viscosity
B. length of time of injection
C. arterial pressure per cc
D. length of catheter in centimeters - ANS-Answer B
What causes positive contrast material to produce an area of reduced image density?
A. scatter of primary photons
B. absorption of primary photons
C. scatter of secondary photons
D. absorption of secondary photons - ANS-Answer B
What condition occurs when patients who have diabetes melitus have an excessive
amount of insulin in their blood?
A. hypoglycemia
B. neurogenic shock
C. ataxia
D. anaphylactic - ANS-A
Hypoglycemia occurs when a patient who has diabetes melitus have an excess of
insulin in their blood. This is a consideration if they have not had sufficient sugar over
preceding hours, especially after being NPO prior to the angiographic study.
What does the acronym "PSI" represent?
A. probable significant instances
B. Partly saturated intravenously
C. pounds per square inch
D. pounds per inch - ANS-PSI stands for: pounds per square inch
What does the P wave indicate on and EKG?
A. atrial depolarization
B. recovery
C. ventricular depolarization
D. ventricular repolarization - ANS-A
What effect does the addition of side holes in a catheter have on the total flow rate?
A. 10 to 20 percent increase
B. 50 to 60 percent increase
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