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CCHT EXAM QUESTIONS AND
ANSWERS ALREADY PASSED
While technical staff are preforming duties in the dialysis unit which team member must always be present A. Registered nurse B. Medical director for unit
C. Lab technician โโA. Registered nurse
Two techs are heatedly discussing pt care situation. Which team member is responsible for disciplinary action A. Registered practical nurse B. Human resource manager
C. Dialysis nurse manager โโC. Dialysis nurse manager
Which credentialing agency for dialysis includes items such as water treatment and dialysate preparation and complication of dialysis as part of their practice domains A. Board of nephrology examiners nursing in technology B. Nephrology nursing certification commission
C. National nephrology certification organization โโC. NNCO
Prior to starting dialysis what must the technician and or nurse verify A. That patient has provided informed written consent for dialysis B. That the patient has not eaten any food or beverages for the last six hours C. That the patient has a driver to pick him up after dialysis โโA. Consent
Which external agencies provide additional guidelines and standards in the areas of infectious disease testing immunizations dialysis treatment safety and infection control? A. Centers for disease control and prevention B. Centers for Medicare and Medicaid service C. Association for the advancement of medical instrumentation
D. Council of nephrology โโA B and C
Prior to passing the Social Security amendments treatment for chronic kidney disease was available only to few who met certain criteria. The amendments extended Medicare coverage for almost all patients who signed the amendment and then what year A. Jimmy Carter in 1979 B. Richard Nixon 1972
D. Headache โโA and B
Which buffer is the major plasma buffer therefor important during dialysis A. Bicarbonate B. Amino acid C. Protein โโA. Bicarbonate
While reviewing the body weight for a dialysis patient the tech knows that โโโ of the total amount of water is contained in the intracellular fluid compartment A. 20% B. 30% C. 40% โโC. 40%
How much water is lost through evaporation form lungs every day A. 250-499 ml of water B. 700-1,000 ml of water C. 1500-2000 ml of water โโB.
A patient asks to explain what the normal kidney does in addition to making urine what's the response A. Regulate fluid volume in body B. Regulate pH in blood C. produce erythropoietin that controls red blood cell production
D. I receptor sites for several hormones โโAll of the above
A patient with a renal failure asks if his candies will regenerate how does the technician answer A. With a diet low in sodium and exercise there's a good chance you'll get some function back B. If nephrons are damaged they do no regenerate C. If the heart can pump in a blood to the kidney there is a possibility that some of the nephrons can regenerate โโB. If nephrons are damaged they won't regenerate
This patient's kidneys have permanently lost most of their ability to remove waste and maintain fluid in chemical balance what's the patient's likely estimated glomerular filtration rate A. Less than 15 ml/min/ B. 60-89 ml/min/1.
C. 30-44 ml/min โโA. Less than 15
D. African-American female whose parents both died following stroke โโA and D
Patient with chronic kidney disease asks what her goal hemoglobin level should be what level as recommended by the national kidney foundation kidney disease guidelines A. 9% B. 7%
C. 11% โโB.7%
Patient with chronic kidney disease arrives at the center after his nephrology visit he relays to the staff that the doctor said he was hardening of the kidneys what is the cause of this condition A. Prolonged severe hypertension B. Daily ingestion of sugar sweetened drinks C. High fat diet D. Too much calcium in the diet along with hypertension โโA.
What is one cause of postrenal failure A. Renal trauma B. Prostrate disease
C. Fluid volume shifts D. Kidney infections โโB. Prostate disease
The family member of a dialysis technician has noted blood in his urine the tech also noted the weight loss and rubbing of the flank to ease the cramping pain which disease comes to mind A. Nephrotic syndrome B. Bladder infection C. Kidney stones
D. Renal carcinoma โโD. Renal carcinoma
Which integumentary changes are commonly seen in patients with chronic kidney disease A. Brittle nails B. Excessive sweating C. Bruising
D. Increase number of moles โโA and C
Monday also patients infection account for about one and 10 fatalities which condition increases a patient's susceptibility to infection
A. They're not compliant B. They require meticulous care to remove air or gas from the fiber bundle C. Blood distribution may be uneven at inflow header space
D. Higher heparin doses may be needed to prevent clotting in hollow fibers โโB C and D
If a patient is experiencing adverse reactions from the residual toxic products of ethylene oxide sterilization of the hollow fibers what other ways can you sterilize it. A. Gamma radiation B. Pure alcohol flushing C. Electron beam โโA and C
Which manifestation would lead to the tech to suspect the patient is experiencing intradialytic complement A. Anemia B. Intradialytic hypoxemia C. Chest pain
D. Back pain โโB C and D
If the bicarbonate concentrate is over mixed what lab values will result A. Increase pH B. Decrease in serum calcium level C. Increase in magnesium level D. Decrease in RBC level โโA and B
Which method/test is most commonly used to check the dialysate composition A. Bicarbonate concentration test B. Total conductivity C. Microbial count โโB. Microbial count
How is the temp of the dialysate controlled A. By using one or more sensors and a micro controller circuit on the heater B. By checking accuracy regularly with a certified glass thermometer
C. By using a separate center with visual and audible alarms for any out of limit state โโAll of the above
What can cause a "false" blood leak alarm
B. Countercurrent flow C. A difference in concentration โโC. Difference
Why is reversed filtration important A. The bicarbonate concentrate encourages and supports bacterial proliferation B. Endotoxins may be carried across the high flux membrane into the bloodstream
C. Pyrogens reaction may occur โโAll of the above
What modifications to the dialysis procedure can be made to prevent intradialytic complications associated with fluid removal A. Lower the temp of the machine B. Extend treatment times
C. Check serum sodium levels every 15 min โโA and B
Which water contaminants may cause methemoglobinemia in which red cell hemoglobin cannot transport oxygen A. Fluoride and Tin B. Nitrates and chloramines
C. Zinc and aluminum โโB. Nitrates and chloramine
What is the process utilized when two carbon tanks are used to remove chlorine and chloramine from tank water A. Adsorption B. Absorption
C. Diffusion โโA. Adsorption
What type of contaminants are removed from water used in dialysis A. Endotoxins B. Aqueous salts C. Water softeners โโA and B
When preparing for reverse osmosis what type of membranes should the tech be prepared to utilize A. Peritoneum B. Cellulose acetate C. Thin film composites
C. Biweekly โโB. Monthly
What are the most common methods for reducing microbiological contaminants and water use during dialysis A. Infusion of antibiotics in water tank B. Applying a sub micron filter
C. Use of a filtration device โโB and C
Which person on the team is responsible for ensuring the quality of water used for dialysis has met the standards A. Registered nurse B. Nurse manager
C. Medical director โโC. Medical director
When a dialyzer is prepared to use what actions are required prior to beginning the session A. Prime the dialyzer B. Remove all air in the dialyzer C. Flush the dialyzer with Celine prime to remove all particulate matter
D. Remove any disinfectant left behind by rinsing under cold water โโB and C
place the steps for a re-processing/re-using a dialyzer in the correct order A. Disinfect with chemical or heat B. Flush dialyzer to remove most of blood C. Test dialyzer
D. Cleanse dialyzer with chemicals and reverse ultrafiltration โโB then D then C then A
According to standard precautions when should gloves be changed and hands washed A. When gloves are contaminated B. When going from clean body side to contaminated body site on the same person C. After handling infectious waste containers
D. After touching patient as in preforming physical assessment โโA C and D
How should hand hygiene be performed A. With bar of soap and scrub brush B. With antiseptic soap and water C. With hand sanitizer
Filling the accidental exposure to blood from a pt HIV positive what tx is recommended A. 3 month prescription of med to prevent HIV B. Follow up blood test three months after exposure C. 4 week 2 drug regimen is recommended within 72 hours of exposure โโC.
According to the CDC health care workers exposed to needle stick involving HIV infected blood have a 0.23% chance of becoming infected if untreated. After a needle stick or sharps exposure to hep C virus what is the risk of developing infection A. 0.01% B. 0.5%
C. 1.8% โโC. 1.8%
What are the recommendations for dialysis personnel caring for patients with clostridium difficile colitis A. Wear gloves when treating patient B. Impervious gowns upon entering room
C. Wash hands with soap and water โโAll of the above
Why is anticoagulation therapy used in dialysis A. To foster good venous blood flow in fingers and toes B. To reduce clotting within the extracorporeal circuit
C. To optimize dialyzer efficiency โโB and C
How is heparin commonly administered A. Initial loading dose of heparin is given before tx begins B. Directly into arterial needle
C. Administered throughout tx by direct injection โโA. Initial dose
When blood is transfused into at risk patients during heparin free dialysis what complication should the technician be monitoring for A. Fluid removal overload B. Anaphylaxis reaction
C. Increased velocity of the blood in the dialyzer โโC. Increased velocity
If a dialysis patient does not have adequate vessels to create an internal fistula what is the remedy
