Medical Quiz

Nephrology (Hemodialysis) Quiz


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Diffusion is increase in hemodialysis by

A. high blood flow rate

B. low calcium dialysate

C. low dialysate flow rate

D. bigger molecular weight of solute


Frequency of microbial testing for a newly installed water treatment system are

A. daily

B. weekly

C. two weekly

D. monthly


When assessing a fistula, the following need to be felt prior to starting dialysis

A. bruit and pulse

B. pulse and thrill

C. bruit and deep access

D. pulse and deep access


The criteria to achieves dry weight include

A. target HB 11 to12 gm

B. can sleep on 3 pillows

C. cannot climb staircase

D. chest xray cardiomegaly


The purpose of priming the extracorporeal circuit with saline during set up is to

A. expose to chemical

B. tighten all connectors

C. removed air and germicide

D. be certain fibers are thoroughly filled with germicide


The visual sign of haemolysis in the extracorporeal circuit during hemodialysis include

A. extremely bright blood

B. shadows or black streaks in the dialyzer.

C. presence of clots at the arterial-side header

D. rapid filling of transducer monitors with blood.


An air detector is attached to the extra corporeal circuit to detect the presence of air in the

A. heparin line

B. dialysate line

C. venous line

D. concentrate line


Arteriovenous fistula ( AVF ) maturity can be assessed by

A. jerking of venous line

B. blood flow exceeding 500 mls /minutes

C. diameter measurement of more than 6 mm

D. easy cannulation


During hemodialysis, Ultrafiltration occurs when

A. fluid inside the cell is shifted

B. surface area of the membrane permeable

C. phosphorus is removed from the blood

D. water is removed from blood because there is pressure gradient across a membrane


The advantages of sequential ultrafiltration are

A. alter organ function

B. no removal of electrolytes

C. minimizes the unpleasant effect of uraemia

D. it gives fast relief of acute pulmonary odema


Rotating needling sites during cannulation is important to prevent:

A. stenosis

B. infiltration

C. aneurysm

D. fistula infection


Mr. T’s undergoing haemodialysis, his haemoglobin was 15 g/dl. He has a high risk of clotting of extracorporeal circuit. The staff should observe for

A. sudden onset of dyspnea

B. extremely bright blood in tubing

C. rapid filling of transducer monitors with blood.

D. decrease of venous pressure from baseline.


The management of air embolism during hemodialysis is

A. stop dialysis

B. return blood to patient

C. give intravena norma saline

D. put patient on trendelenburg position


Client on injection erythropoietin should closely be monitored for

A. hypotension

B. haemorrhage

C. flu like symptoms

D. elevated potassium,phosphate and creatinine


Dialysis Disequilibrium Synsdrome can be prevented by

A. slow gentle dialysis

B. using of highlux dialyzer

C. by recirculating the blood

D. speed of blood pump ( Qb) is about 250 – 300mls


Factors favouring clotting of the extracorporeal circuit is

A. high blood flow

B. low hematocrit

C. low ultrafiltration

D. use of drip chambers


Post dialysis blood sampling procedure as in blood sampling for KT/V measurement

A. ensure 4 hours of dialysis completed

B. reduced blood pump speed to 10-20mls per minute

C. clamp venous presure and wait for 30 seconds

D. draw 2mls of blood sample venous sampling port into heparinised blood specimen tube.




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