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CAMLPR Clinical Chemistry Practice Questions

Number of questions: 300

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About the CAMLPR Clinical Chemistry exam

The CAMLPR Clinical Chemistry exam is one of the single-field exams administered by the Canadian Alliance of Medical Laboratory Professionals Regulators (CAMLPR). The other single-field exams are Hematology, Clinical Microbiology, Transfusion Medicine, Histology, Cytogenetics, Molecular Diagnostics, and Cytology.

The Clinical Chemistry exam tests your knowledge of the principles, methods, and interpretation of testing substances in blood, urine, and other body fluids. This includes tests such as urinalysis, blood gases, electrolytes, toxicology, and glucose, and tests related to the kidneys, liver, heart, pancreas, metabolism, and osmotic function.

About these practice questions

These practice questions will help prepare you for the CAMLPR Clinical Chemistry exam.

This page contains 300 practice questions divided into the eight sections of the exam: 1. Specimen Collection, 2. Preparation and Testing, 3. Evaluation and Interpretation, 4. Reporting and Communication, 5. Equipment and Resources, 6. Safety, 7. Professionalism, and 8. Quality Assurance.

All questions have been carefully designed to mimic the questions on the real exam, to help you prepare and get a passing grade.

Sections

  1. Specimen Collection
  2. Preparation and Testing
  3. Evaluation and Interpretation
  4. Reporting and Communication
  5. Equipment and Resources
  6. Safety
  7. Professionalism
  8. Quality Assurance

Section 1: Specimen Collection

1.1) When should a STAT glucose test be performed?
  1. Immediately
  2. Within 1 hour
  3. 2 hours after the last meal
  4. Within 4 hours
Answers are locked. Please click here to buy them. 1.2) What is the first step in performing a blood draw?
  1. Apply the tourniquet
  2. Clean the site
  3. Identify the patient
  4. Insert the needle
Answers are locked. Please click here to buy them. 1.3) A patient has an IV in his left wrist and a cast on his right arm. Which site should be used to obtain a venous blood sample?
  1. A vein in the left forearm
  2. A vein in the left hand
  3. A vein in the right forearm
  4. An earlobe
Answers are locked. Please click here to buy them. 1.4) When using a blood pressure cuff instead of a tourniquet for venipuncture, what should the pressure be?
  1. Equal to the patient's systolic blood pressure
  2. Just above the patient's systolic blood pressure
  3. Just below the patient's diastolic blood pressure
  4. Midway between the patient's diastolic and systolic blood pressure
Answers are locked. Please click here to buy them. 1.5) For venipuncture, the tourniquet should be applied _____________ the needle insertion point.
  1. 1–2 inches above
  2. 1–2 inches below
  3. 3–4 inches above
  4. 3–4 inches below
Answers are locked. Please click here to buy them. 1.6) For venipuncture, tourniquets should be:
  1. applied very tightly to the arm
  2. left on the arm for at least three minutes
  3. tight enough to slow arterial flow
  4. tight enough to slow venous flow
Answers are locked. Please click here to buy them. 1.7) In venipuncture, what can happen if you palpate a site after cleaning it with alcohol?
  1. Difficulty locating the vein
  2. Entry of alcohol into the patient's bloodstream
  3. Hemolysis of the specimen
  4. Recontamination
Answers are locked. Please click here to buy them. 1.8) Which statement is true about performing venipunctures?
  1. Disinfect the entry site with a 70% alcohol swab
  2. Ensure the bevel of the needle is pointing down when the needle enters the vein
  3. Enter the vein at a 50-degree angle
  4. Remove the needle first, then the tourniquet
Answers are locked. Please click here to buy them. 1.9) During phlebotomy, in which direction should the bevel be facing when the needle enters the arm?
  1. Downwards
  2. To the left
  3. To the right
  4. Upwards
Answers are locked. Please click here to buy them. 1.10) Which of these is a sign of an arterial puncture during venipuncture?
  1. Blood spurting into the tube
  2. Breathing difficulties
  3. Dark blue blood
  4. Intense pain
Answers are locked. Please click here to buy them. 1.11) During venipuncture, what is the longest time a tourniquet should remain on the patient's arm?
  1. 1 minute
  2. 3 minutes
  3. 5 minutes
  4. 7 minutes
Answers are locked. Please click here to buy them. 1.12) What is the most likely result if a lavender tube is not inverted after collection?
  1. Clotted specimen
  2. Diluted specimen
  3. Falsely low potassium
  4. Hemolyzed specimen
Answers are locked. Please click here to buy them. 1.13) A blood culture and four tubes (green, lavender, light blue, and red) need to be filled. Which should be filled first?
  1. Blood culture bottle
  2. Lavender
  3. Light blue
  4. Red
Answers are locked. Please click here to buy them. 1.14) Which anticoagulant is used to collect arterial blood gas specimens?
  1. Heparin
  2. Potassium EDTA
  3. Potassium oxalate
  4. Trisodium citrate
Answers are locked. Please click here to buy them. 1.15) When a test requires plasma, the blood sample must be collected in a tube containing a(n):
  1. anticoagulant
  2. antiglycolytic agent
  3. chelating agent
  4. clot activator
Answers are locked. Please click here to buy them. 1.16) What does sodium fluoride preserve?
  1. Ammonia
  2. Bilirubin
  3. Glucose
  4. Potassium
Answers are locked. Please click here to buy them. 1.17) A phlebotomist needs to collect blood in a grey top tube, a gold top tube, and a lavender top tube. What is the correct order to fill the tubes?
  1. Gold, grey, lavender
  2. Gold, lavender, grey
  3. Grey, gold, lavender
  4. Grey, lavender, gold
Answers are locked. Please click here to buy them. 1.18) Why are infant bilirubin specimens obtained in amber-coloured tubes?
  1. To identify it as a bilirubin specimen
  2. To protect the specimen from light
  3. To reduce the risk of hemolysis
  4. To show that it is a capillary specimen
Answers are locked. Please click here to buy them. 1.19) Venipuncture needles are colour-coded according to their:
  1. expiration date
  2. gauge
  3. length
  4. manufacturer
Answers are locked. Please click here to buy them.

Section 2: Preparation and Testing

Section 3: Evaluation and Interpretation

Section 4: Reporting and Communication

Section 5: Equipment and Resources

Section 6: Safety

Section 7: Professionalism

Section 8: Quality Assurance

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