CCHT practice exam Questions & Answers

7.0-7.25 - ANSWER Normal body pH is Time to mature - ANSWER One disadvantage of a fistula is an increase in Poor rotation of sites - ANSWER One cause of aneurysms and pseudoaneurysms is Blood pump has stopped - ANSWER The air detector alarms during treatment. If the machine is working properly, the dialysis technician should expect which of these events to have occurred? Sterilant infusion - ANSWER Pain at the venous needle site, along with respiratory difficulty and chest pain could be an indicator of: Hypertension - ANSWER One sign and symptom of fluid overload is Hypo-osmole - ANSWER Solutions that have a higher similarity than body fluids are called? Numbness and tingling - ANSWER Symptoms of hyperkalemia (high potassium) may include Before treatment, after treatment, and after giving heparin - ANSWER The accuracy of lab results depends on adherence to proper lab draw technique. You must ensure that labs are drawn: Dialysis Disequilibrium Syndrome - ANSWER Short frequent hemodialysis treatments in patient's with high BUN (blood Urea Nitrogen) are performed to prevent: An infection - ANSWER Prior cannulation a technician notices the skin over the patient's fistula is reddened and warm to touch. These symptoms are most likely due to: Epogen - ANSWER A medication used to treat anemia is Teammate - ANSWER The most important monitor in the dialysis setting is: Infection - ANSWER The most frequent cause of death in the first year post transplant is: 12-20 breaths per min - ANSWER The normal range of resting respirations in an adult is Diabetes - ANSWER The leading cause of chronic kidney disease for adults in the United States: 24 hours - ANSWER The minimum dwell time to achieve sterilization with the chemical Renalin is Cleansing of the hands - ANSWER The most important intervention to prevent the spread of infection is Osmosis - ANSWER The movement of fluid from the tissue towards a higher concentration of sodium in the blood is an example of Nephron - ANSWER The functional unit of the kidney, or the structure in the kidney that does the work, is the Listening with a stethoscope - ANSWER The bruit in a Av fistula or graft is detected by Temperature and transmembrane pressure - ANSWER The hemodialysis machine continuously monitors many parameters. Which of these parameters must be verified by an external measuring device? 65% - ANSWER The National standard, based on the KDOQI (kidney Disease Outcomes Quality Initiative) guidelines, for the Urea Reduction Rate (URR) is a ratio greater than: Peritonitis - ANSWER The most common complication in Peritoneal dialysis is: Patient - ANSWER The most important member of the patient care team is the Zemplar - ANSWER The medication used to improve calcium absorption is: 6 months - ANSWER The minimum amount of experience required to take the NNCC certifying exam is: 1.0 to 1.5 liters per day - ANSWER The usual fluid allowance for a person with kidney failure is AAMI - ANSWER The organization that sets the standards for dialysis water quality is called Performance of the dialyzer - ANSWER Total cell volume (TCV) is an indirect measure of the: Before each patient shift or every four hours - ANSWER Total chlorine levels in the water are tested Increase the rate of waste removal - ANSWER The purpose of using counter-current flow is to Osmosis - ANSWER Water moves across a membrane from an area of lower solute concentration to an area of higher solute concentration by which principle Operates on the principle of ion exchange - ANSWER The water softener 80% - ANSWER The TCV should be no less than Edema and shortness of breath - ANSWER What are the typical signs of fluid overload A thrill - ANSWER To determine the latency of an arteriovenous vascular access, the dialysis technician should initially feel for the presence of Transmembrane pressure - ANSWER Ultrafiltration is influenced by Diffusion - ANSWER Waste products are removed during dialysis by which principle Calcium and magnesium - ANSWER The water softener removes Residual Sterilant - ANSWER The reprocessed dialyzer is carefully rinsed prior to patient use to remove Endotoxin - ANSWER The part of the cell wall of bacteria that, when released, can cause fever in hemodialysis patient's is: Should point in the direction of the blood flow - ANSWER The venous needle in an AV fistula Transmembrane pressure - ANSWER The total pressure that exists across the dialyzer membrane is called Aluminum - ANSWER The substance that may be added to the municipal drinking water to make it clearer is: Kt/V - ANSWER Which of the following is the most accurate measure of dialysis adequacy? Bicarbonate - ANSWER Which of the following component in dialysate is used to correct metabolic acidosis? Kinking of the venous blood line - ANSWER Which of the following is most likely to cause a high venous pressure alarm? Hemoglobin/Hematocrit - ANSWER What lab tests are used to monitor anemia in the ESRD patient? Cognitive - ANSWER Which learning domain is knowledge based? Cranberry juice colored blood in the venous line - ANSWER Which of the following is the classic sign of hemolysis? Ice Cream - ANSWER Which food below is highest in phosphorus? O.9% normal saline - ANSWER When fluid replacement is necessary during the hemodialysis treatment, which of the following solutions is used? Elevated hematocrit - ANSWER Which of the following is not a symptom of uremia? Removing too much fluid - ANSWER Which of the following is a cause of hypotension during and after dialysis treatments? Dialysis quality water - ANSWER Which of the following is considered to be safe water for dialysis? 18 gauge - ANSWER Which of the following is the largest needle? Using a bath that will provide a greater concentration gradient - ANSWER Which of the following actions would increase diffusion during dialysis? Urea - ANSWER Which of the following diffuses from the patient's blood during dialysis? Handwashing - ANSWER What is the most important activity that the dialysis technician can perform to prevent the spread of infectious disease in the dialysis clinic? 2.0 inches apart - ANSWER When cannulating. The tips of the needles should be at least Hypotension and cramping - ANSWER Which of the following symptoms would indicate a need to increase the estimated dry weight (EDW)? 2.0 - ANSWER Your patient is to receive 2000 units of heparin. The vial you are using is 1000 u/ml heparin. How many mls will you draw up for this patient? An arteriovenous fistula - ANSWER Which of these types of vascular accesses has the fewest complications? Tighten all connections - ANSWER Which of the following is used to prevent air in the bloodlines? AAMI - ANSWER Which organization set the standards and recommendations for dialyzer reprocessing? Venous needle is against the wall of the vessel - ANSWER Which of the following would cause a high venous pressure alarm? Clotting in the extracorporeal circuit - ANSWER Which of the following might indicate a need to increase heparin? The patient just had surgery yesterday - ANSWER Which of the following might indicate a need to decrease the heparin dose? Ensuring accurate documentation - ANSWER Which of these technician activities contributes to data collection used to measure quality outcomes? Draw one line through it, date, time, signature/credentials, with the words "error" - ANSWER You have documented incorrectly on a patient's chart. How do you correct this? Phosphorus, potassium, and calcium - ANSWER What's the normal lab value? The movement of particles across a semipermeable membrane from an area of higher solute concentration to an area of lower solute concentration, until the concentration on both sides of the membrane is equal - ANSWER What is diffusion? The process of passing fluid through a filter or semipermeable membrane - ANSWER What is filtration? A medication(synthetic erythropoietin) used to stimulate production of red blood cells - ANSWER What is epogen? 2 hours - ANSWER How long can a used dialyzer sit out before reprocessing? 11 hours - ANSWER How long can a reprocessed dialyzer sit out to dry before use? 14 days - ANSWER What is a reused dialyzer shelf life? 80% - ANSWER What is a reuse dialyzer (TCV) percentage Association for the Advancement of Medical Instrumentation - ANSWER What does AAMI stand for? Bicarbonate - ANSWER The base used to maintain an acceptable dialysate pH(acid/base balance). A buffer Blood urea nitrogen, the end product of protein metabolism - ANSWER What is BUN? A ballooning of the AV fistula, sometimes caused by improper rotation of needle sites - ANSWER What is a aneurysm? dysrhythmia - ANSWER An irregular heart beat