rcis exam questions with correct answers

Which component of the X-Ray system converts light rays into images? - Answer- Photon tube Lidocaine converts from 2gm in 500cc to. - Answer- 4mg in 1cc Dopamine concentration 1600 mcg/ml in 250 cc yields a concentration of - Answer- 400 mg in 250 cc What is the formula for calculating SVR - Answer- Mean AO - Mean RA / CO In the formula BP = HR x SV x SVR, Dobutamine acts as an ____________, to _______________ by increasing ______________ - Answer- Inotrope, increase stroke volume, contractility Sedatives with NO analgesic properties: - Answer- Versed, Benadryl, Valium Normal RA pressure: - Answer- 0-5 PT evaluates the coagulation factors VII, X, V, II and I (fibrinogen). - Answer- True PTT (Partial Thromboplastin Time) test evaluates coagulation factors XII, XI, IX, VIII, X, V, II (prothrombin), and I (fibrinogen) - Answer- True Normal PA pressure: - Answer- 25/10 Normal RV pressure: - Answer- 25/5 Normal PCW pressure - Answer- 7-12 Normal LV pressure: - Answer- 120/10 Normal AO pressure: - Answer- 120/80 Mean Arterial Pressure (MAP) calculation: - Answer- Systolic + 2 x Diastolic / 3 Mean PA - Mean PCW / CO: - Answer- PVR Mean AO - Mean RA / CO: - Answer- SVR LV Systole - AO Systole: - Answer- Peak to Peak Gradient CO / SEP ( systolic ejection period): - Answer- Aortic Valve Flow (AVF) What is the normal range of potassium (K+) in the blood? - Answer- 3.5 - 5.0 TPA acts by - Answer- Dissolving fibrin Activates Plasminogen Troponin is the most accurate measurement of cardiac muscle fiber damage after a MI. - Answer- True Which lab value does NOT evaluate the extent of an MI? - Answer- Serum Creatinine Metabolic Acidosis has a low level of HCO3 (bicarb) - Answer- True A pH less than 7.35 or greater than 7.45 is called: - Answer- Uncompensated What would be the appropriate intervention for a patient with Respiratory Acidosis? - Answer- Increased ventilation To increase arterial PO2: - Answer- Hyperventilation Interpret the following blood gas:pH = 7.25 CO2 = 60 HCO (bicarb) = 22 - Answer- Uncompensated Respiratory Acidosis How will a high CO2 level impact pH? - Answer- lower How will an increase in HCO2 (bicarb) affect pH? - Answer- raise When a patient has a DILATED AORTIC ROOT, what diagnostic catheter is best utilized to visualize the LAD? - Answer- JL5 Where should assist on the IABP be set when a patient has a heart rate of 150? - Answer- 1:2 Jugular vein distention can be caused by: - Answer- TR (tricuspid regurgitation) RV infarct Pulmonary hypertension What shows a TRUE posterior infarct on an EKG? - Answer- V1, V2, and V7-V9 Time is the most important factor in decreasing Xray exposure to a patient. - Answer- True The most common renal stenosis is located in the ostial. - Answer- True A dislodged lead will cause a fail to capture pacemaker in the RV. - Answer- True Monophasic defibrillation protocol is: - Answer- What does the "c" wave represent? - Answer- Onset of ventricular contractions Which would likely increase pulmonary blood flow, possibly pulmonary edema? - Answer- PDA RVEDP and LVEDP are different because there is less space in the LV to do the workload. - Answer- True When endothelium cells build a chemical to equalize the vessel pressure, it is called INFLAMMATORY RESPONSE. - Answer- True A MI would increase LVEDP, but NOT LV systolic pressure - Answer- True A/V stenosis would increase LV systolic pressure. - Answer- True Every clotting factor is made in the liver - Answer- True The smaller the stent, the lower re-stenosis rate. - Answer- True The Rotoblator, 1.25-2.0 mm burrs should operate at appro