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CCHT Exam Questions and Answers: Nephrology and Dialysis, Exams of Nursing

University of West London (UWL)Nursing

A series of questions and answers related to the ccht (certified clinical hemodialysis technician) exam, focusing on key concepts in nephrology and dialysis. It covers topics such as kidney function, chronic kidney disease, hemodialysis principles, dialysate composition, and water treatment. The questions address essential knowledge for technicians working in dialysis settings, including understanding nephron structure, causes of kidney disease, dialysis principles like diffusion and ultrafiltration, and potential complications during treatment. This resource is valuable for exam preparation and reinforcing understanding of dialysis procedures.

Typology: Exams

2025/2026

Available from 09/04/2025

Academicgenius
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CCHT EXAM
functional unit of the kidney or the structure in the kidney that does the work? -
Nephron
The leading cause of chronic kidney disease for adults in the United States is -
Diabetes
A nephron is made up of? -
A glomerulus and a tubule system
Which of the following is not a symptom of uremia? -
(A) Elevated hematocrit *
(B) decreased ability to concentrate
(C) itching
(D) lack of appetite
Which of the following is a cause of hypo tension during and after dialysis treatment? -
(A) over-the-counter cold medicine
(B) patient forgetting to take their blood pressure pills
(C) removing too much fluid*
(D) Uremia
The scale says a patient weights 70kg. This is the same as weighing how many pounds? -
154
Normal body pH is? -
7.35-7.45
one sign and symptom of fluid overload is? -
hypertension
Abnormal levels of the electrolyte can cause cardiac arrhythmia and even death is? -
Potassium
Water moves across a membrane from an area of low solute concentration to an area of high solute
concentration by which principle? -
Osmosis
Waste products are removed during dialysis by which principle? -
diffusion
excess fluid is forced out of the blood and into the dialysate during dialysis By which principle? -
ultrafiltration
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CCHT EXAM

functional unit of the kidney or the structure in the kidney that does the work? - Nephron The leading cause of chronic kidney disease for adults in the United States is - Diabetes A nephron is made up of? - A glomerulus and a tubule system Which of the following is not a symptom of uremia? - (A) Elevated hematocrit * (B) decreased ability to concentrate (C) itching (D) lack of appetite Which of the following is a cause of hypo tension during and after dialysis treatment? - (A) over-the-counter cold medicine (B) patient forgetting to take their blood pressure pills (C) removing too much fluid* (D) Uremia The scale says a patient weights 70kg. This is the same as weighing how many pounds? - 154 Normal body pH is? - 7.35-7. one sign and symptom of fluid overload is? - hypertension Abnormal levels of the electrolyte can cause cardiac arrhythmia and even death is? - Potassium Water moves across a membrane from an area of low solute concentration to an area of high solute concentration by which principle? - Osmosis Waste products are removed during dialysis by which principle? - diffusion excess fluid is forced out of the blood and into the dialysate during dialysis By which principle? - ultrafiltration

The movement of fluid from the tissues toward a higher concentration of sodium in the blood is and example of - Osmosis Decreasing the patients prescribed blood flow rate or QB affects the rate of what? - Diffusion Which of the following actions would increase diffusion during dialysis? - Using a bath that will provide a greater concentration gradient Which of the following diffuses from the patient's blood during dialysis? - Urea Ultrafiltration is influenced by? - Transmembrane pressure The most common complication in peritoneal Dialysis is? - peritonitis Dextrose used in dialysate for peritoneal dialysis can cause - hyperglycemia If a patient develops an infection post transplant the largest contributing factor would most likely be - Immunosuppressive medication The most frequent cause of death in the first year post transplant is? - infection Total cell Volume (TCV) is an indirect measure of the? - Performance of the dialyzer The TCV should be no less then? - 80% The minimum dwelltime to achieve sterilization with the chemical renalin is? - 11 hours The reprocessed dialyzer is carefully rinse prior to patients use to remove? - Residual sterilant Germicide rebound occurs due to - Inadequate dialyzer priming Which organization sets the standards and recommendations for dialyzer processing? - AAMI The blood path integrity is tested to eliminate the possibility of a blood leak. The drop in pressure should not exceed - 10mmHg

The part of the cell wall of bacteria that, when released, can cause fever in hemodialysis patients is? - Endotoxins During a hemodialysis treatment the technician response to a low venous pressure alarm. They most likely calls for the alarm? - Disconnect of the blood line. The hemodialysis machine continuously monitors many parameters. Which of these parameters must be verified by and external measuring device? - PH and conductivity Which of the following is most likely to cause a high venous pressure alarm? - Kinking of the venous line During the set up of a hemo-dialysis machine the alarm test for conductivity fails. Which of these actions should the dialysis technician take? - Notify the equipment technician A rise in transmembrane pressure in a low flux dialyzer during hemodialysis is indicative of - Clotting of the extracorporeal circuit One reason that normal Saline is used to rinse and prime the ECC prior to treatment is to remove - Air What best describes The transducer protector - Device inside the machine that converts air pressure into electronic signal What could cause a high venous pressure alarm - Venus needle is against the wall of the vessel