Blood Bank Rotation Exam Questions and Answers Latest Update Graded A+

Blood Bank Rotation Exam Questions and Answers Latest Update Graded A+ Blood is stored at what temperature? - Answers 1 - 6 C Reagents are stored at what temperature? - Answers 2 - 6 C Platelets are stored at what temperature? - Answers 20-24 C (Room Temp) with continuous agitation -If temp is not monitored automatically, the temp MUST be checked every 4 hours What is the temperature of the freezer? - Answers -18 C or colder What is the temperature range for incubator/heat blocks? - Answers 36 - 38 C -Calibrated once a year -Holes cleaned quarterly What is the procedure for refrigerator and freezer monitoring? - Answers - Temperatures are checked daily if hooked up to a monitoring system -Temperatures are checked every *4 hours* if *NOT* hooked up to the monitoring system -Before put into use, the refrigerator/freezer temperature must be recorded every *4 hours* What is the procedure for inspecting blood? - Answers Check all units of blood for discoloration, gas bubble, particles, and other appearance abnormalities. Record as necessary. Describe the daily/weekly/quarterly maintenance and the temperature range of the *plasma thawer*? - Answers -*Daily* record the temperature on the readout - *Weekly* check the water level - *Quarterly* change the water - *Temperature Range* : 34-39 C (Do not want it to be too warm because it will destroy clotting factors.) What are the Serofuges acceptable ranges r.p.m and timer? - Answers r.p.m (r.p.m checked every quarter.) 15 sec timer calibrated range 14.25 - 15.75 sec 1 min timer calibrated range 57 - 63 sec Calibrate with a stopwatch that is sent away. big serofuge is the same r.p.m but samples are spun for 8 min. Cell Washers decontamination and ranges. - Answers Every month, they are decontaminated by with diluted bleach running 4 cycle. Then rinse with 12 cycles. Also do a pH check. Helmer: Sorvell: Dietary Scale Q.C - Answers -Checked quarterly -Measures packed RBCs Calibration 20g : 18-22g 200g : 180 - 220 What is the temperature for blood transport. - Answers 1 - 10 C When do the refigerator alarms go off? - Answers When temps are off 0.5'C Describe the temperature-check device. - Answers -Make a 1 C ice bath, take NIST thermometer and make sure it reads 1C. All thermometers are compared to NIST. (Yearly calibration and quarterly check) -Returning of blood products must be 10 C or below or it will be discarded. If <10 C it can be put back into the inventory. -*Reason*: After the blood reaches >10 C it consumes more glucose, ATP, and will have waste products. It is cold to stop metabolic processes anti coagulants in bags...CPD ACD acstive solutions Describe IQ, OQ, and PQ - Answers These are simply quality control. Performed on new instruments or if the instrument was sent away. *IQ* is instrument installed as the manufacture recommends *OQ* is the instrument doing what the manufacture says it is suppose to do. For example if I hit start, it will start. *PQ* is the instrument operating the way i need it to be. For example, if i load a refrigerator full of blood, will it still be the right temperature. Describe the Hollister Armband System - Answers After a drawn blood bank specimen, a red arm band with R# should be put on the patient. Must have *name, second ID, R#, and techs initials*. A 10mL EDTA tube. Oder types: *Type and Screen* or *draw and hold* (Mostly for trauma and labor) The tube is spun down and separated into a 10mL glass red top tube. What is the 5 criteria for an unacceptable patient specimen? - Answers - unlabeled/improper label, *must have R#* - not received within the 8 hours of collection - wrong colored tube (ONLY red and purple) - QNS (quantity no sufficient) need about 6mL - sample dilute (drawn above IV, see this if the plasma is pale) - severely hemolized Describe specimen storage? - Answers The blood bank has 3 days once the specimen is received to perform testing. If the patient does not have an ab, the plasma is left sitting on the red cells. If the specimen is a draw and hold or has an ab the RC are separated from the plasma.