ARRT CI Exams Study Guide 2025 Test, Exams of Radiology

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ARRT CI Exams Study Guide 2025 Test

ARRT CI Exams Study Guide 2025 Test Calculate the heart rate of a patient with a .83 RR interval. - CORRECT ANSWER- HR=(60sece/min(RR interval) 70bpm What anatomic position means superior or towards the head? - CORRECT ANSWER- Cephalic The opening in a single use sterile femoral drape sheet is called? - CORRECT ANSWER-A fenestrated drape A major safety gnidcline to a person Lransferring a promedicated pationt from a bed onto agumey is? - C fibrillation and cardiac arrest When you plug in an electric instrument, sparks fly from the plug and the AC wall ptacle. Which e cal safety problem is likely to cause this? - CORRECT. ANSWER-The machine was lef turned on. Murmurs in itn aude ai the heart are affected most by __ Criteria that identifies, measures, monitors, and evaluated patient care come from? - CORR ER-Qualily assura: oc programs According Lo joint ceumalissten what is Lhe minimum number of patient identifiers that AN: SWER-W ether they: are sitting or lying down After an accidental needle-stick from the needle used on an infected patient, what blood test risk of infection to health care workers? - CORRECT borne pathogen poses the gre Hopatilis B What aroas of a paticnts body are the least likely place for blood borne pathogens Lo enter? - ANSWER-Intact skin For maximum safety, healthcare workers slau wear eye protesilen, goggles, and/or face shields only What is not true when using alcohol based hand rubs prior to go wing and gloving for a heart cath? - CORRECT ANSWER-Rubs are less effective than traditional scrub brush methods What should you do with a sterile table if the case is canceled? - CORRECT ANSWER- Tear it down and start complotcly over for the nexl case The fetal heart at 32 days of gestation is a cardiac tube with four primitive chambers. The most superior primitive chamber is known as the and it evolves into the _.- CORRECT ANSWER-Truncus Artoriosus and PA and AO Another name for the foremen ovals is the - CORRECT ANSWER-Ostium sceundum How docs bload pressure level normally change immediately after birth? - CORRECT. In normal fetal life the foramen ovale is situated to preferentially shunt oxygenated blood from the what? - CORRECT ANSWER-IVC Heparin blocks clot formation by interfering with the enzymatic conversion of - T ANSWER-Prothrombin to Thrombin 9,000 + = infection or inflammation e = esl ez “s = F « us) E A 2 E f Q S < g E 5 5 a & bard ee 10,000+ = pathological condition Injured endothelium tends to collect a “white clot" formed by? - CORRECT ANSWER- Platelets or Thrombocy Following cardiac arrest a resuscitated patients arterial blood gases are pH=7.48 PCO2=42 mmHg PO2=96mmHg HCO3=31mEd/L. The most probable acid base The pH is alkaline (up .08) and the bicarbonate is up 7. The CO2 is in the normal range (38-42 mmHg) mmHg, HCO2=24mEq/L, PO2=80-100 mmHg The chicf abnormalily in metabolic alkalosis is a/an in the arterial blood? - xccss of bicarbonate Which valve (or valves) open in ventricular diastole? - CORRECT ANSWER-A-V valves (mitral and tricuspid) Normal electrical conduction cannot proceed from atria to ventricle, except through the AV node. What cardiac structure normally blocks A-V conduction in the A-V groove? - CORRECT ANSWER Fibrous rings Ina left dominant coronary system, which coronary artery branch usually still arises from the RCA?- <-Acute Marginal Branch Left coronary blood flow occurs primarily during the _ phase of the cardiac cycle because_____. - CORREC endocardia’s capillaries. The lowest blood oxygen saturation in the heart is found in the which is usually tion. - CORRECT ANSWER-Coronary Sinus and 30-40% around % O2 salura The naturally occurring neurotransmitter liberated by the parasympathetic nerve Junction is? - CO What is the prima ANSWER-Deercases automatically What is tho offect of pressing on the neck at the junction of the intcrnal and external +Chronotropic or speeding up of the heart rate. When increased blood pressure is sensed in the arteries, the baroreceptor reflex causes: - CORRECT ANSWER-Deercascs heart ratc What vessels in the vascular system create the greatest pressure drop? - CORRECT yele immediately follows closure of the AV valves and What phase of the cardiac ¢ precedes the opening of the semilunar valves in systole? - Isometric contraction CORRECT. Peripheral venous pressure is the same as pressure. atrial pross ure Starlings law of the heart states that “the foree of cardiac contraction inercases wilh": - ANSWER-Increased diastolic filling All these hemo dynamic parameters evaluate ventricular preload. - CORRECT ANSWER-PA wedge pressure Central venous pressure (CVP) Maximum LY filling volume (EDV) In a normal person the result of a sustained valsalva maneuver is to____ the blood both Arterioles are the principal point where develops. - CORRECT ANSWER- Vascular resistance The elastic arteries filter and smooth out the pulsatile pressure within the aorta. This Venous capacitance (compliance) is normally times greater than arterial Histamine A class of medication used to treat hypertension and CHF that breaks the renin a Shiile ORRECT ANSWER-ACE inhibitor sin, aldostcrone eye The gallop heart sound associated with atrial contraction Is the: - C The 4th heart sound In children an allergic response to a streptococcal throat infection may lead ta: - This patient has MR and MS. Use the data below to calculate the forward stroke volume out of the aortic valve. HR= 100bpm LVMF=5.0L/min Thermo CO= 3.5L/min - CORRECT ANSWER-SV=CO/HR Death (likely within 3 years) In mitral stenosis there is a _ obstruction between the ____ (chambers) - CORRECT ANSWER Diastolic and LA and LV Pulsus paradoxes is defined as: - BP with inspiration Braided steel wires are woven into the walls of most guide catheters to improve their: - According to Piosuille’s law if the length of a catheter is doubled, how much should the Injection pressure be increased to get the same flow? - CORRECT ANSWER-Doubled When doing angiographic flood injections with a 4 or ofr. Cat! the injector pressure should not exceed: -1200 psi After a diagnostic guide wire has been in the patients arteries for three minutes, it should Platinum is valuable in an angioplasty wire because of its: - CORREC Radiopacily You are altcmpling to gain femoral artery access. Bul, you missed the artery. When your needle is situated just lateral to the right femoral artery, how will the needle hub bounce with each pulse? - CORRECT ANSWER-Toward the artery-medially An elderly man with history of frequent pericarditis and angina needs: - CORRECT When considering a patient for PCI, a history of hypotension, hypokalemia, and epilepsy are: - CORR A pulsatile encapsulated hematoma in communication with a ruptured artery defines a: - CORRECT ANSWER-False aneurysm Your a5Kg patient comes to the lab premedicated with 300mg clopidogrel{plavix) for a PCL The physician orders 2000 units of unfractionated heparin IV. To check for the proper level of anticoagulation draw tho first ACT: - CORRECT ANSWER-3 min allor administration of heparin Which short acting sedative is contraindicated in patients with narrow angle glaucoma? - CORRECT ANSWER-Midazolam or versed After a radial PCI case when should you pull the sheath? - CORRECT ANSWER-AL conclusion of the case When you attempt to pull the radial artery sheath it is tight in the vessel and painful to move. What would not facilitate sheath removal? - CORRECT ANSWER-Injecting Nitroglycerin IV In an attempt to establish atrial access, the Dr.’s first stick drew venous blood. In order to enter the RPA, his next stick should be directed just. to the first. - CORRECT. ANSWER-Latcral How should the patient's head be positioned for right internal jugular vein access? - CORRECT ANSWER-Turned 30 degrees to left A patient has just finished having a right and left heart cath from the right leg. Both slablish hemo arterial and vcnous sheaths remain in the groin. The safes! method to stasis for both vessels is to first remove the sheath and apply pressure to that. site Ifa pigtail catheter fails to cross a tight aortic valve, the following are good alternatives: - CORRECT ANSWER-JR4, AR2, and MP Increased iodine in contrast makes il: - CORRECT ANSWER-Radiopaque What IV medicalion given in conjunction with Benadryl help provide prophylaxis agains| Benadryl Calculate the angiographic cardiac output (LVMBF) of this patient. HR=6 CO=SVxHR=LVMF SV=EDV-ESV (133-85=50mL) 50mLx60=3000 ml/min or 3.0 L/min What is this patients angiographic ejection fraction? 30/135=.37=37% An LY gram at. 30 degrees RAO is required to calculate the: - CORRECT ANSWER- Area length method of dodge Name pattern of LY wall motion where one region contracts first; and another part ANSWER-A St. Jude aortic v alve Ifa lcft alrial myxoma is suspected in a patient at heart cath, imaging that tumor should A 10% O2 sat step down in the lef heart indicates: - CORRECT ANSWER-A cyanolic R-L shunt When there is a V in the second position of a pacemaker code, that pacemaker is designed to: - CORR ANSWER-Sense intrinsic R waves In chest radiography technique, decreasing Kv affects the X-ray production by beam quality, and ___ beam quanti decreasing quantity High resolution vine systems can filter out most scattered radiation before it reaches the film. This ig a function of the - CORRECT Al ER-Grid Following NCRP guidelines, a maximum accumulated lifetime does limit for a 58 ycar old health worker is: - CORRECT ANSWER-8 rem Which indicator provides the best estimate of the risk of radiation skin injury? - Spontaneous breathing artifact is often present in right heart pressure tracings. At what time in the respiratory cycle should cardiac pressure readings be made? - CORRECT In mitral valve disease accurate measurement of the PCW pressure is critical. Which of the following may be used to confirm the accuracy of a “balloon wedge pressure" - CORRECT ANSWER-Small contras| injections show a “forn" paltcrn The carrect gain of the pressure monitor is scl by adjusting the: - CORRECT ANSWER- Calibration factor as determined by mercury How does placement of a strain gauge 10cm lower than the patients mid chest affect the Th the fick CO formula, the units of 02 consumption are: - CORRECT ANSWER-ml/min The direct fick CO method (using PA and AO blood samples) is most accurate on patients with: - CORRECT ANSWER-Low CO