This test is designed to help you prepare for the CHT exam by covering key topics such as principles of hemodialysis, patient care, equipment operation, safety protocols, and infection control.
Each question is multiple-choice, and the correct answers are provided at the end of the test.
Use this practice test to assess your knowledge, identify areas for improvement, and build confidence for the actual exam.
Good luck!
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Request InfoCertified Hemodialysis Technician (CHT) Practice Test
Congratulations - you have completed Certified Hemodialysis Technician (CHT) Practice Test.
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Question 1 |
Which of the following is a common cause of high venous pressure during hemodialysis?
High blood sugar | |
Clotting in the dialyzer | |
Low potassium levels | |
Excessive heparin |
Question 2 |
What is the purpose of the blood leak detector in a hemodialysis machine?
To measure blood glucose levels | |
To detect blood in the dialysate | |
To administer medications | |
To monitor blood pressure |
Question 3 |
Which of the following is a symptom of fluid overload in hemodialysis patients?
Hypertension | |
Shortness of breath | |
Hyperglycemia | |
Hypoglycemia |
Question 4 |
What is the purpose of the heparin pump in a hemodialysis machine?
To measure blood glucose levels | |
To administer heparin | |
To monitor blood pressure | |
To regulate dialysate flow |
Question 5 |
Which of the following is a common cause of low arterial pressure during hemodialysis?
High blood sugar | |
Kinked bloodlines | |
Low potassium levels | |
Excessive heparin |
Question 6 |
What is the purpose of the ultrafiltration control in a hemodialysis machine?
To measure blood glucose levels | |
To remove excess fluid from the blood | |
To administer medications | |
To monitor blood pressure |
Question 7 |
Which of the following is a symptom of a clotted dialyzer?
Hypertension | |
Dark blood in the venous line | |
Hyperglycemia | |
Hypoglycemia |
Question 8 |
What is the purpose of the conductivity meter in a hemodialysis machine?
To measure the concentration of dialysate | |
To monitor blood pressure | |
To administer medications | |
To measure blood glucose levels |
Question 9 |
Which of the following is a common cause of infection in hemodialysis patients?
High blood sugar | |
Poor hand hygiene | |
Low potassium levels | |
Excessive heparin |
Question 10 |
What is the purpose of the arterial pressure monitor during hemodialysis?
To detect clotting in the bloodlines | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 11 |
Which of the following is a symptom of hypokalemia?
Hypertension | |
Muscle cramps | |
Hyperglycemia | |
Hypoglycemia |
Question 12 |
What is the purpose of the blood pump in a hemodialysis machine?
To measure blood glucose levels | |
To move blood through the dialyzer | |
To administer medications | |
To monitor blood pressure |
Question 13 |
Which of the following is a common cause of hemolysis during hemodialysis?
High blood sugar | |
Incorrect dialysate temperature | |
Low potassium levels | |
Excessive heparin |
Question 14 |
What is the purpose of the dialysate flow control in a hemodialysis machine?
To regulate the flow of dialysate | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 15 |
Which of the following is a symptom of a blood leak in the dialyzer?
Hypertension | |
Pink or red dialysate | |
Hyperglycemia | |
Hypoglycemia |
Question 16 |
What is the purpose of the temperature monitor in a hemodialysis machine?
To measure blood glucose levels | |
To ensure the dialysate is at the correct temperature | |
To administer medications | |
To monitor blood pressure |
Question 17 |
Which of the following is a symptom of a fistula infection?
Hypertension | |
Redness and swelling at the site | |
Hyperglycemia | |
Hypoglycemia |
Question 18 |
What is the purpose of the blood volume monitor in a hemodialysis machine?
To measure changes in blood volume | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 19 |
Which of the following is a common cause of high arterial pressure during hemodialysis?
High blood sugar | |
Narrowed fistula | |
Low potassium levels | |
Excessive heparin |
Question 20 |
What is the purpose of the conductivity alarm in a hemodialysis machine?
To detect incorrect dialysate concentration | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 21 |
Which of the following is a common cause of low venous pressure during hemodialysis?
High blood sugar | |
Disconnected bloodline | |
Low potassium levels | |
Excessive heparin |
Question 22 |
What is the purpose of the ultrafiltration alarm in a hemodialysis machine?
To detect excessive fluid removal | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 23 |
Which of the following is a symptom of a dislodged needle during hemodialysis?
Hypertension | |
Swelling at the needle site | |
Hyperglycemia | |
Hypoglycemia |
Question 24 |
What is the purpose of the blood leak alarm in a hemodialysis machine?
To detect blood in the dialysate | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 25 |
Which of the following is a common cause of high dialysate pressure during hemodialysis?
High blood sugar | |
Clogged dialyzer | |
Low potassium levels | |
Excessive heparin |
Question 26 |
What is the purpose of the air embolism alarm in a hemodialysis machine?
To detect air in the bloodlines | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 27 |
Which of the following is a symptom of a clotted fistula?
Hypertension | |
Loss of thrill or bruit | |
Hyperglycemia | |
Hypoglycemia |
Question 28 |
What is the purpose of the temperature alarm in a hemodialysis machine?
To detect incorrect dialysate temperature | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 29 |
Which of the following is a common cause of low dialysate pressure during hemodialysis?
High blood sugar | |
Leak in the dialysate circuit | |
Low potassium levels | |
Excessive heparin |
Question 30 |
What is the purpose of the blood pressure monitor in a hemodialysis machine?
To monitor the patient's blood pressure | |
To measure blood glucose levels | |
To administer medications | |
To regulate dialysate flow |
Question 31 |
Which of the following is a symptom of a clotted graft?
Hypertension | |
Loss of thrill or bruit | |
Hyperglycemia | |
Hypoglycemia |
Question 32 |
What is the purpose of the blood flow alarm in a hemodialysis machine?
To detect changes in blood flow | |
To measure blood glucose levels | |
To administer medications | |
To monitor blood pressure |
Question 33 |
Which of the following is a common cause of high blood flow alarms during hemodialysis?
High blood sugar | |
Kinked bloodlines | |
Low potassium levels | |
Excessive heparin |
Question 34 |
What is the primary function of a hemodialysis machine?
To oxygenate blood | |
To filter blood and remove waste products | |
To monitor blood pressure | |
To administer medications |
Question 35 |
Which of the following is a common complication of hemodialysis?
Hypertension | |
Hypotension | |
Hyperglycemia | |
Hypothyroidism |
Question 36 |
What is the purpose of heparin during hemodialysis?
To lower blood pressure | |
To prevent blood clotting in the dialyzer | |
To increase red blood cell production | |
To reduce infection risk |
Question 37 |
Which of the following is a symptom of disequilibrium syndrome?
Hypertension | |
Nausea and vomiting | |
Hyperkalemia | |
Hypoglycemia |
Question 38 |
What is the recommended flow rate for dialysate during hemodialysis?
200-300 mL/min | |
400-800 mL/min | |
1000-1500 mL/min | |
50-100 mL/min |
Question 39 |
Which of the following is a sign of air embolism during hemodialysis?
Hypertension | |
Chest pain and shortness of breath | |
Hyperglycemia | |
Muscle cramps |
Question 40 |
What is the primary role of the dialyzer?
To monitor blood glucose levels | |
To remove waste products and excess fluid from the blood | |
To administer medications | |
To measure blood pressure |
Question 41 |
Which of the following is a contraindication for hemodialysis?
Hypertension | |
Severe hypotension | |
Hyperglycemia | |
Hypothyroidism |
Question 42 |
What is the purpose of priming the dialysis circuit before treatment?
To measure blood pressure | |
To remove air and sterilize the circuit | |
To administer medications | |
To increase blood flow |
Question 43 |
Which of the following is a common cause of clotting in the dialyzer?
Excessive heparin | |
Insufficient heparin | |
High blood pressure | |
Low blood sugar |
Question 44 |
What is the normal range for potassium levels in the blood?
6.0-7.0 mEq/L | |
3.5-5.0 mEq/L | |
2.0-3.0 mEq/L | |
8.0-9.0 mEq/L |
Question 45 |
Which of the following is a symptom of hyperkalemia?
Hypertension | |
Muscle weakness | |
Hyperglycemia | |
Hypoglycemia |
Question 46 |
What is the purpose of the venous pressure monitor during hemodialysis?
To measure blood glucose levels | |
To detect clotting in the dialyzer | |
To administer medications | |
To monitor blood pressure |
Question 47 |
Which of the following is a common cause of hypotension during hemodialysis?
High blood sugar | |
Rapid removal of fluid | |
Excessive heparin | |
Low potassium levels |
Question 48 |
What is the recommended blood flow rate for hemodialysis?
200-300 mL/min | |
400-600 mL/min | |
800-1000 mL/min | |
50-100 mL/min |
Question 49 |
Which of the following is a symptom of an allergic reaction to the dialyzer?
Hypertension | |
Rash and itching | |
Hyperglycemia | |
Hypoglycemia |
Question 50 |
What is the purpose of the air detector in a hemodialysis machine?
To measure blood glucose levels | |
To detect air in the bloodlines | |
To administer medications | |
To monitor blood pressure |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 50 questions to complete.