CCHT Exam Flashcards

Q: How many questions are on the CCHT exam?

The NNCC CCHT exam has 150 questions and a 3-hour time limit.

Q: What score is needed to pass the CCHT exam?

NNCC requires a standard score of 95 and states this is achieved by answering 74% of test questions correctly.

Q: What is the largest CCHT blueprint area?

Clinical is the largest area at 48-52% of the exam.

Q: How long is CCHT certification valid?

CCHT certification is effective for 3 years and must be renewed every 3 years.

Q: Does CCHT certification authorize independent dialysis decisions?

No. The credential validates technician knowledge, but work remains within federal and state rules, facility policy, the dialysis prescription, and appropriate supervision.

Question 1

CCHT Exam Length

Accepted Answer

The NNCC CCHT exam has 150 questions. Knowing the format helps you plan pacing and avoid spending too long on any single item.

Question 2

CCHT Time Limit

Accepted Answer

The exam time limit is 3 hours, or about 72 seconds per question. Scenario practice helps because many items require application, not simple recall.

Question 3

CCHT Passing Standard

Accepted Answer

NNCC lists a passing standard score of 95 and states this is achieved by answering 74% of test questions correctly. Use the official standard instead of pass-rate guesses.

Question 4

Largest CCHT Area

Accepted Answer

Clinical content is the largest blueprint area at 48-52%. It deserves the most study time because it covers patient care before, during, and after dialysis.

Question 5

CCHT Blueprint Areas

Accepted Answer

The main areas are Clinical, Technical, Environment, and Role Responsibilities. Safe answers often combine patient status, machine facts, infection control, and scope.

Question 6

Application-Level Emphasis

Accepted Answer

Most CCHT questions are application-level. Practice deciding what is unsafe, what to check, what to report, and which action follows facility protocol.

Question 7

Eligibility Documents

Accepted Answer

Applicants need a high school diploma or GED/equivalent and proof of hemodialysis technician training with classroom and supervised clinical experience.

Question 8

CCHT Certification Period

Accepted Answer

CCHT certification is effective for 3 years and requires recertification. Tracking the cycle protects credential status and employment readiness.

Question 9

Technician Scope

Accepted Answer

A dialysis technician follows the prescription, facility policy, and qualified staff direction. The technician does not independently diagnose, prescribe, or change treatment orders.

Question 10

Pre-Dialysis Assessment Role

Accepted Answer

Technicians collect and report data such as weight, vital signs, access findings, and symptoms. Abnormal findings are escalated before treatment proceeds.

Question 11

Dry Weight Concept

Accepted Answer

Dry weight is the target post-dialysis weight when excess fluid has been removed without signs of fluid overload or dehydration. It guides ultrafiltration goals.

Question 12

Fluid Gain Calculation

Accepted Answer

Pre-dialysis weight minus dry weight estimates fluid to remove, with 1 kg roughly equal to 1 liter. The goal must match the prescription and RN direction.

Question 13

Severe Pre-Dialysis BP

Accepted Answer

A severely elevated blood pressure before treatment should be reported to the nurse. Starting dialysis without evaluation can be unsafe.

Question 14

Intradialytic Hypotension

Accepted Answer

Hypotension during dialysis often occurs when ultrafiltration exceeds vascular refilling. Report symptoms and follow protocol because rapid BP drops can threaten perfusion.

Question 15

Muscle Cramping During Dialysis

Accepted Answer

Cramping can signal rapid fluid removal or volume depletion. Check relevant treatment data, notify the nurse, and follow protocol rather than independently giving fluids or medications.

Question 16

Chest Pain During Dialysis

Accepted Answer

Chest pain with shortness of breath, pallor, or sweating is an emergency. Stop or pause treatment per protocol, call for help, and alert qualified staff immediately.

Question 17

Air Embolism Concern

Accepted Answer

Sudden chest pain, dyspnea, coughing, cyanosis, or neurologic symptoms can suggest air embolism. Clamp lines, stop the pump per protocol, and get immediate help.

Question 18

Hemolysis Concern

Accepted Answer

Hemolysis may present with back pain, chest pain, shortness of breath, cherry-colored blood, or machine issues. It is an emergency requiring immediate escalation.

Question 19

Disequilibrium Syndrome

Accepted Answer

Headache, nausea, restlessness, confusion, or seizures during or after dialysis can suggest disequilibrium. Report promptly because neurologic symptoms are unsafe.

Question 20

Hyperkalemia Risk

Accepted Answer

High potassium can cause dangerous cardiac arrhythmias. A markedly elevated pre-dialysis potassium must be reported promptly and may affect urgency of treatment.

Question 21

AV Fistula Basics

Accepted Answer

An AV fistula is a surgically created connection between an artery and vein. It usually has the best long-term patency but must mature before routine use.

Question 22

AV Graft Basics

Accepted Answer

An AV graft uses synthetic material to connect artery and vein. It can be used sooner than many fistulas but has higher infection and clotting risk.

Question 23

Access Thrill and Bruit

Accepted Answer

A thrill is a palpable vibration and a bruit is an audible sound over the access. Absence or major change must be reported before cannulation.

Question 24

Fistula Cannulation Angle

Accepted Answer

AV fistula cannulation commonly uses about a 25 to 35 degree angle. Correct angle helps obtain flow while reducing infiltration and vessel trauma.

Question 25

Graft Cannulation Angle

Accepted Answer

AV graft cannulation often uses a shallower angle than fistulas, commonly around 45 degrees or less depending on policy and access depth. Follow facility protocol.

Question 26

Infiltration

Accepted Answer

Infiltration occurs when the needle moves outside the vessel and blood leaks into tissue. Swelling, pain, and poor flow require stopping and reporting per policy.

Question 27

Access Infection Signs

Accepted Answer

Redness, warmth, swelling, drainage, pain, fever, or chills can suggest infection. Report before cannulation because access infection can become life-threatening.

Question 28

Buttonhole Technique Boundary

Accepted Answer

Buttonhole cannulation uses the same track for an AV fistula and requires strict technique. It is not appropriate for grafts and is avoided with infection concerns.

Question 29

Arterial Pressure Alarm

Accepted Answer

Abnormal arterial pressure can reflect poor blood flow from the access, needle position problems, line kinks, or clotting. Check the circuit and escalate per protocol.

Question 30

Venous Pressure Alarm

Accepted Answer

High venous pressure can indicate venous needle position issues, a kink, clotting, or outflow obstruction. Investigating protects access and circuit safety.

Question 31

Transmembrane Pressure

Accepted Answer

Transmembrane pressure reflects pressure across the dialyzer membrane during ultrafiltration. Rising values can suggest clotting or flow problems that need attention.

Question 32

Conductivity Check

Accepted Answer

Conductivity helps verify dialysate concentrate mixing. Dialysate outside acceptable conductivity range can cause dangerous electrolyte shifts and must not be ignored.

Question 33

Dialysate pH

Accepted Answer

Dialysate pH is checked to confirm safe solution quality. Incorrect pH can harm patients and requires correction before treatment.

Question 34

Water Treatment Purpose

Accepted Answer

Dialysis exposes patients to large volumes of water, so treatment removes contaminants that could enter the bloodstream through the dialyzer.

Question 35

Chlorine and Chloramine Testing

Accepted Answer

Chlorine and chloramine must be checked because they can cause hemolysis if present in dialysis water. Failed tests require stopping use and reporting.

Question 36

Reverse Osmosis

Accepted Answer

Reverse osmosis removes dissolved contaminants by forcing water across a semipermeable membrane. It is a core barrier in dialysis water treatment.

Question 37

Dialyzer Clotting

Accepted Answer

Dark streaks, rising pressures, or poor clearance can suggest clotting. Recognizing circuit clotting helps prevent blood loss and inadequate treatment.

Question 38

Lab Specimen Timing

Accepted Answer

Dialysis labs must be drawn at the correct time and site according to policy. Timing errors can misrepresent adequacy, electrolytes, or treatment response.

Question 39

Standard Precautions in Dialysis

Accepted Answer

Standard precautions apply to all patients and include hand hygiene, gloves, PPE, sharps safety, and safe handling of blood-contaminated equipment.

Question 40

Station Disinfection

Accepted Answer

Clean and disinfect the dialysis station and touched surfaces between patients according to policy. Environmental cleaning reduces cross-contamination risk.

Question 41

Hand Hygiene Moments

Accepted Answer

Clean hands before and after patient contact, after glove removal, after exposure risk, and between dirty and clean tasks. Dialysis care has frequent contamination risk.

Question 42

Sharps Safety

Accepted Answer

Use safety devices and dispose of needles immediately in approved sharps containers. Safe sharps handling protects staff and patients from bloodborne pathogens.

Question 43

Blood Spill Response

Accepted Answer

Contain the spill, use appropriate PPE, clean and disinfect with approved products, and follow facility policy. Blood spills are infection-control events.

Question 44

Chemical Safety Data Sheets

Accepted Answer

Safety Data Sheets explain hazards, PPE, handling, storage, and exposure response for chemicals. Technicians should know where SDS information is available.

Question 45

Emergency Exits

Accepted Answer

Emergency exits and pathways must remain clear. Dialysis patients may have limited mobility, so blocked exits create serious evacuation risk.

Question 46

Patient Confidentiality

Accepted Answer

Protect patient information and discuss care only with authorized people for legitimate work purposes. Confidentiality supports patient rights and legal compliance.

Question 47

Professional Boundaries

Accepted Answer

Maintain a respectful therapeutic relationship and avoid personal, financial, or social boundary crossings. Boundaries protect patients and staff.

Question 48

Documentation Principle

Accepted Answer

Document objective treatment data, interventions, patient responses, and reports according to policy. Accurate records support continuity, quality, and legal review.

Question 49

Reporting Treatment Outcomes

Accepted Answer

Report abnormal symptoms, access problems, machine issues, and treatment variances to the appropriate licensed or qualified staff. Timely reporting supports safe decisions.

Question 50

Patient Dignity

Accepted Answer

Protect privacy, explain actions, listen respectfully, and preserve modesty during care. Dignity is part of safe and ethical dialysis practice.

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