Abstract
The technology of Hemodialysis remains the cornerstone of kidney replacement therapy, and globally the most widely practiced modality in end stage kidney disease. An understanding of the core principles of the therapy, and its advances, is fundamental to ensuring safety, high standards of practice, and quality-assured treatment delivery.
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Questions
Questions
-
1.
The single most effective means of increasing diffusive clearance of small solutes during HD such as in Predialysis Hyperkalemia is:
-
A.
Increasing Dialysate flow rate
-
B.
Increase Dialyser Size
-
C.
Administer Insulin dextrose
-
D.
Increasing haemodialysis machine blood flow rate
-
E.
Increasing Time on dialysis
Correct answer (D)
-
A.
-
2.
The signs that indicate excessive clotting in circuit during treatment are:
-
A.
Raised venous pressure
-
B.
Reduced arterial pressure
-
C.
Raised trans membrane pressure (TMP)
-
D.
Visible signs of clotting, streaky dialyser
-
E.
Low dialysate conductivity
Correct answer (A, B, C, D)
-
A.
-
3.
Indicate which of these factors will not trigger alarms for High venous pressures
-
A.
Blood Circuit connection error
-
B.
AVF stenosis
-
C.
Kink in the blood tubing, returning limb
-
D.
Kink in blood tubing pre dialyser
-
E.
Occluded venous limb of dialysis catheter
Correct answer (A, D)
-
A.
-
4.
Disconnection haemorrhage from a catheter can be prevented by
-
A.
Keeping access site visible at all time during a treatment
-
B.
Adherence to a Safe Taping policy
-
C.
Optimum securement of the lines
-
D.
A robust HD governance structure
-
E.
Specific modules incorporated in staff competency training and assessment
Correct answer (A, B, C, D, E)
-
A.
-
5.
Which of these constitute good practice in Ultrafiltration?
-
A.
Limit Interdialytic weight gain to 3% body weight
-
B.
UF rate should vary between 10–20 mL/kg/h
-
C.
Empower patients with knowledge on fluid balance
-
D.
Reassess target weight on a monthly basis
-
E.
Use relative blood volume monitoring for unstable patients
-
F.
Use Iso UF regularly for fluid overload
Correct answer (A, C, D, E)
-
A.
-
6.
The following are some clinical features of middle molecule toxicity
(Residual syndrome)
-
A.
Macroglossia
-
B.
Arthropathy
-
C.
Haemochromatosis
-
D.
Carpal Tunnel syndrome
-
E.
Neuropathy
Correct answer (A, B, D, E)
-
A.
-
7.
Convective clearances can be augmented in Haemodiafiltration by the following
-
A.
Switch from 15 g to 16 g needles for cannulation
-
B.
Use of higher surface area dialysers
-
C.
Adequate Anticoagulation
-
D.
Higher blood pump speeds
-
E.
Increased treatment time
Correct answer (B, C, D, E)
-
A.
-
8.
Expanded HD therapy delivers improved dialytic toxin clearances on middle and large middle molecules through the use of:
-
A.
Large surface area dialysers
-
B.
High pore density dialyser
-
C.
Homogenous dialyser pore size distribution
-
D.
Substitution fluid and additional pump
-
E.
HD machine special design and adaptation
Correct answer (B, C)
-
A.
-
9.
Advantages of Button-hole cannulation strategy for AVF include
-
A.
needling short AVF segments
-
B.
lower risk of infections
-
C.
addressing needle phobia
-
D.
requires skilled expertise and resiting
-
E.
use of sharp needles in a preformed track to alleviate pain
Correct answer (A, C)
-
A.
-
10.
The key clinical indications for recommending extended HD at Home are
-
A.
Persistent fluid overload and hypertension
-
B.
High interdialytic weight gain and ultrafiltration rate
-
C.
Dialysis via Catheter
-
D.
Uncontrolled anemia
-
E.
Severe LVH (increased LV mass)
Correct answer (A, B, E)
-
A.
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Elewa, M., Mitra, S. (2023). Hemodialysis in Clinical Practice. In: Banerjee, D., Jha, V., Annear, N.M. (eds) Management of Kidney Diseases. Springer, Cham. https://doi.org/10.1007/978-3-031-09131-5_17
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