CDC state exam dialysis questions and answers
with solutions 2025
With osmosis, water moves from areas of.. - ANSWER low concentration of solutes to areas of high
concentration of solutes
What is the major plasma buffer in the body? - ANSWER bicarbonate
Dialyzers should be rejected for reuse if - ANSWER cracked, chipped, plastic housing is defective.
the clearance is less than 90%
the total cell volume is less than 80% of the original cell volume
Common skin changes related to CKD stage 5 include.. - ANSWER brittle nails, ecchymosis
Some causes of anemia in CKD patients include - ANSWER decreased production of epo, loss of blood
through the GI tract
What is a molecule? - ANSWER The smallest unit of a substance that retains its chemical properties.
Blood urea levels may be increased as a result of.. - ANSWER gastrointestinal tract bleeding and steroid
use
Heparin administered intravenously reaches peak anticoagulant activity in 5-10 min and has a half life
of.... - ANSWER 4-5 hours
Severe recirculation(black blood syndrome), due to stenosis of the fistula, has which of the following
signs and symptoms? - ANSWER pH below 7.00 and very dark blood
The major adverse reaction the dialysis should be assessing the dialysis patient for following heparin
administration is.. - ANSWER bleeding
,Air embolism is a serious event that requires immediate action. What is the proper first response to this
event? - ANSWER clamp the bloodlines and stop dialysis
If the venous pressure reading suddenly decreases dramatically, the dialysis tech should assess.. -
ANSWER whether the venous needle is intact or pulled out, the transducer to see if its wet
What complication can occur in a patient with diabetes and autonamic neuropathy that can result in
poor dialysis result? - ANSWER numbness and tingling in lower extremeties
A severely anemic dialysis patient recieves a blood transfusion. Which of these complaints soon after
beginning the transfusion indicate that he/she may be having a blood incompatability reaction, and that
the transfusion must be stopped immediately? - ANSWER Back pain and fever/chills
Which of the following complaints by the patient who is being dialyzed for the first time would lead the
dialysis tech to suspect first-use syndrome? - ANSWER blood pressure 80/58
Signs and symptoms of anemia in CKD patients include.. - ANSWER dyspnea and fatigue
What is the recommended treatment for osteodostrophy in CKD patients? - ANSWER Administration of
phosphate-binding agents
How can air enter the dialysis bloodlines? - ANSWER -at connections that are not absolutely right
-from empty fluid containers attached at the infusion sidearm
Which of the following statement regarding the removal of toxins in dialysis is accurate? - ANSWER The
greater the dialysate flow, the greater the removal of solutes
To achieve an optimal concentration gradient, what direction should blood and dialysate flow? -
ANSWER in opposite direction
What potential patient complication should be monitored by dialysis personnel if reverse filtration
occurs and dialysis water is moved into the blood? - ANSWER pyrogenic reaction
, During ultrafiltration, what happens when positive pressure is applied to the blood side of the dialyzer? -
ANSWER red blood cells will be pushed out
what principle is used to decrease complications related to fluid removal? - ANSWER ultra filtration
profiling
what is the most common complication of AV fistula? - ANSWER thrombosis
Dialyzing a patient at a high blood flow rate with a small gauge needle may result in.. - ANSWER
infiltration
Hepatitis B is - ANSWER -highly transmissible
-can survive several days on environmental surfaces at room temperature
To safely dialyze a patient who is hepatitis b positive, the dialysis tech should ensure that the.. - ANSWER
the patient is placed in the isolation room and has a dedicated machine.
Albumin help what? - ANSWER to hold fluid in the blood vessels, thereby helping to control the amount
of edema
What symptoms will be present to a dialysis patient experiencing low magnesium levels? - ANSWER
Muscular twitching and spasms
Of the following lab tests, which would be considered a more sensitive marker of renal function, since it
is not influenced by diet or fluid volume? - ANSWER serum creatinine level
Increasing sodium in the dialysate may help prevent.. - ANSWER hypotension, cramping and
disequilibrium syndrome
Which of the following signs and symptoms would be noted in a dialysis patient who has developed
hemolysis? - ANSWER -Complaints of abdominal pain or cramping
with solutions 2025
With osmosis, water moves from areas of.. - ANSWER low concentration of solutes to areas of high
concentration of solutes
What is the major plasma buffer in the body? - ANSWER bicarbonate
Dialyzers should be rejected for reuse if - ANSWER cracked, chipped, plastic housing is defective.
the clearance is less than 90%
the total cell volume is less than 80% of the original cell volume
Common skin changes related to CKD stage 5 include.. - ANSWER brittle nails, ecchymosis
Some causes of anemia in CKD patients include - ANSWER decreased production of epo, loss of blood
through the GI tract
What is a molecule? - ANSWER The smallest unit of a substance that retains its chemical properties.
Blood urea levels may be increased as a result of.. - ANSWER gastrointestinal tract bleeding and steroid
use
Heparin administered intravenously reaches peak anticoagulant activity in 5-10 min and has a half life
of.... - ANSWER 4-5 hours
Severe recirculation(black blood syndrome), due to stenosis of the fistula, has which of the following
signs and symptoms? - ANSWER pH below 7.00 and very dark blood
The major adverse reaction the dialysis should be assessing the dialysis patient for following heparin
administration is.. - ANSWER bleeding
,Air embolism is a serious event that requires immediate action. What is the proper first response to this
event? - ANSWER clamp the bloodlines and stop dialysis
If the venous pressure reading suddenly decreases dramatically, the dialysis tech should assess.. -
ANSWER whether the venous needle is intact or pulled out, the transducer to see if its wet
What complication can occur in a patient with diabetes and autonamic neuropathy that can result in
poor dialysis result? - ANSWER numbness and tingling in lower extremeties
A severely anemic dialysis patient recieves a blood transfusion. Which of these complaints soon after
beginning the transfusion indicate that he/she may be having a blood incompatability reaction, and that
the transfusion must be stopped immediately? - ANSWER Back pain and fever/chills
Which of the following complaints by the patient who is being dialyzed for the first time would lead the
dialysis tech to suspect first-use syndrome? - ANSWER blood pressure 80/58
Signs and symptoms of anemia in CKD patients include.. - ANSWER dyspnea and fatigue
What is the recommended treatment for osteodostrophy in CKD patients? - ANSWER Administration of
phosphate-binding agents
How can air enter the dialysis bloodlines? - ANSWER -at connections that are not absolutely right
-from empty fluid containers attached at the infusion sidearm
Which of the following statement regarding the removal of toxins in dialysis is accurate? - ANSWER The
greater the dialysate flow, the greater the removal of solutes
To achieve an optimal concentration gradient, what direction should blood and dialysate flow? -
ANSWER in opposite direction
What potential patient complication should be monitored by dialysis personnel if reverse filtration
occurs and dialysis water is moved into the blood? - ANSWER pyrogenic reaction
, During ultrafiltration, what happens when positive pressure is applied to the blood side of the dialyzer? -
ANSWER red blood cells will be pushed out
what principle is used to decrease complications related to fluid removal? - ANSWER ultra filtration
profiling
what is the most common complication of AV fistula? - ANSWER thrombosis
Dialyzing a patient at a high blood flow rate with a small gauge needle may result in.. - ANSWER
infiltration
Hepatitis B is - ANSWER -highly transmissible
-can survive several days on environmental surfaces at room temperature
To safely dialyze a patient who is hepatitis b positive, the dialysis tech should ensure that the.. - ANSWER
the patient is placed in the isolation room and has a dedicated machine.
Albumin help what? - ANSWER to hold fluid in the blood vessels, thereby helping to control the amount
of edema
What symptoms will be present to a dialysis patient experiencing low magnesium levels? - ANSWER
Muscular twitching and spasms
Of the following lab tests, which would be considered a more sensitive marker of renal function, since it
is not influenced by diet or fluid volume? - ANSWER serum creatinine level
Increasing sodium in the dialysate may help prevent.. - ANSWER hypotension, cramping and
disequilibrium syndrome
Which of the following signs and symptoms would be noted in a dialysis patient who has developed
hemolysis? - ANSWER -Complaints of abdominal pain or cramping
