CURRENTLY TESTING EXAM NEWEST 2024-2025
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After successful completion of machine testing, connect and unclamp
________ and attach the _______. Turn the BFR to and DFR to _____. While
the NS is circulating, ____ the venous end of dialyzer and _____ and ____ the
arterial line. - ANSWER-transducer, Hanson connectors, 300-400; 500; tap;
pinch and release
The following are symptoms of what? Thirst, dry mucous membranes, sunken
eyes, poor skin turgor, low grade temp, decrease urine output, dry skin,
weakness, cramping, low blood pressure, lethargy - ANSWER-dehydration
The following are symptoms of what? edema/ pitting edema, productive
cough, sob, increased bp, bounding pulse, neck vein distention, cyanosis,
anxiety, restlessness, confusion - ANSWER-fluid overload
The movement of solutes through a semipermeable membrane from an area of
area of greater concentration of solutes to an area of lesser concentration of
solutes until the concentrations equal out is called... - ANSWER-diffusion
,The movement of fluid through a semipermeable membrane from an area of
lesser concentration to an area of greater solute concentration until
equilibrium is reached is allied - ANSWER-osmosis
At what point during HD will diffusion cease to occur? - ANSWER-Until the
concentration of each electrolyte found in the patient's blood is equal to the
concentration in the dialysate
Dialysate is composed of these 3 things: - ANSWER-
1. purified water
2. acid solution
3. bicarbonate solution
Why is dextrose added to the dialysate? - ANSWER-To prevent hypoglycemia
What is the purpose of checking the dialysate? - ANSWER-To verify that the
dialysate is compatible with human pH, conductivity and temperature to
prevent hemolysis (cell death) or crenation (cell shrinkage)
Name the four ways dialysate is checked... - ANSWER-1. pH
2. Conductivity
3. Temperature
4. The dialysate is checked for residual chlorine (bleach) after routine (weekly)
machine disinfection and before the first tx after the disinfection
When should conductivity and pH of dialysate be checked? - ANSWER-Prior
to the initiation of every tx using a phoenix meter with 2 individuals.
, True or False? Conductivity and pH of dialysate should be checked before the
Hanson connectors are attached to the dialyzer. - ANSWER-True
How can you tell a dialyzer is clotting? - ANSWER-Rising TMP, rising venous
pressure, dark blood in dialyzer, air detector alarms
What is the commonly used heparin concentration in HD? - ANSWER-1000
units/ml
After heparin is given, how long must you wait before initiating the tx? -
ANSWER-3-5 minutes
In relation to heparin the following are all reasons for what? prolonged
bleeding from BOTH cannulation sites; upcoming surgery, nose bleed, GI
bleed, heavy menstrual cycle, reduction of tx time or dialyzer; taking
anticoagulants - ANSWER-Heparin dose needs to be decreased
If a patient has prolonged bleeding from one cannulation site, it is most likely
not the heparin but from - ANSWER-repeated cannulations at the same site
A decreasing KECN can be an indicator that the dialyzer is losing surface area
and this can be one potential cause of that loss of surface area. - ANSWER-
Clotting
For how long may a patient's blood be re-circulated during tx interruption? -
ANSWER-Blood recirculated for longer than 15 minutes may lose oxygen and
cannot be returned to the patient