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CAMLPR Clinical Microbiology Practice Questions

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CAMLPR Clinical Microbiology Practice Questions

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300
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About these practice questions

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

This practice test contains 300 practice questions covering the eight sections of the CAMLPR Clinical Microbiology exam:

  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

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

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Section 1: Specimen Collection

1) A urine sample, an oral swab, and a blood culture arrive in the laboratory at the same time. In which order should they be processed?
  1. Blood culture, oral swab, urine sample
  2. Blood culture, urine sample, oral swab
    The blood culture should be prioritized because it is time-sensitive and has the potential to indicate a life-threatening infection. Urine samples should be given the next priority because they can indicate urinary tract infections, which can cause serious health problems if left untreated. The oral swab has the lowest priority.
  3. Oral swab, blood culture, urine sample
  4. Oral swab, urine sample, blood culture
2) What colour is the stopper on an SPS tube?
  1. Green
  2. Lavender
  3. Pink
  4. Yellow
    SPS tubes contain sodium polyanethol sulfonate as an anticoagulant. They have yellow stoppers and are used for blood culture tests.
3) What would a nurse use to collect an anaerobic specimen from within a body cavity?
  1. Sterile cotton applicator
  2. Sterile culture tube
  3. Sterile glass rod
  4. Sterile syringe
    To collect an anaerobic specimen deep in a body cavity, a nurse would use a sterile syringe and needle.
4) Why are anaerobic culture plates incubated in anaerobic jars?
  1. To maximize spore formation
  2. To minimize exposure of the specimen to oxygen
    Anaerobic cultures require an oxygen-free environment for the growth of anaerobic bacteria. Anaerobic jars create this environment by removing oxygen.
  3. To minimize the exposure of the specimen to UV light
  4. To stop the specimen from escaping
5) What is the best time to collect specimens for pinworm eggs?
  1. Before going to bed
  2. Before the morning bowel movement
    Pinworms tend to lay their eggs at night around the anus. For this reason, the best time to collect specimens for pinworm ova is typically in the morning, before the individual has used the toilet. Collecting the samples in the morning maximizes the chances of obtaining eggs that might have been deposited overnight.
  3. Immediately following a bowel movement
  4. In the early afternoon
6) What is the most common way to collect a sample for the RSV test in young children?
  1. Cough plate
  2. Expectorated sputum
  3. Nasal aspirate
    The respiratory syncytial virus (RSV) causes respiratory tract infections. A nasal wash or aspirate is the most common way to collect a sample for RSV testing in young children.
  4. Throat swab
7) What are skin scrapings in microbiology used to identify?
  1. Corynebacterium
  2. Escherichia coli
  3. Neisseria
  4. Fungi
    Skin, hair, and nail tissue are collected in microbiology to establish whether the patient has a fungal infection.
8) Where should you label a Petri plate?
  1. On the bottom of the plate
    You should label the bottom of the agar plate. This ensures that the label stays with the culture even if the lid gets lost.
  2. On the inside of the lid
  3. On the side of the lid
  4. On the top of the lid
9) A doctor orders a blood smear for malaria. After collecting an EDTA blood specimen from the patient, the lab technician should prepare the blood smear within:
  1. 10 minutes
  2. 1 hour
    Blood smears from EDTA samples should ideally be prepared as soon as possible, preferably within 1 hour. After that, EDTA can distort the shape of the parasites, making them harder to see clearly under the microscope.
  3. 6 hours
  4. 12 hours
10) In an average adult, approximately how far is a nasopharyngeal swab inserted?
  1. 3–4 cm
  2. 5–6 cm
  3. 7–8 cm
  4. 9–10 cm
    The average distance from the nostril to the nasopharynx is 9.4 cm in women. In men, the average distance is slightly longer at 10.0 cm. This means a swab must be inserted 9–10 cm into the nasal cavity to reach the nasopharynx.
11) Stool specimens for O&P should be collected in a jar containing:
  1. SAF fixative
    SAF fixative helps preserve intestinal parasites in stool samples.
  2. agar
  3. saline
  4. sodium hypochlorite
12) Which area is swabbed to obtain a throat culture?
  1. Larynx
  2. Oral mucosa
  3. Pharynx
    To obtain a specimen for a throat culture, you should swab the tonsillar area (pharynx) with a sterile cotton swab applicator.
  4. Trachea
13) Specimens for rapid strep tests are obtained from the:
  1. ear canal
  2. nasopharynx
  3. nose
  4. throat
    The rapid strep test needs a swab of mucus from the back of the throat.
14) When is the best time to collect a sputum specimen?
  1. An hour before the patient has dinner
  2. In the middle of the day
  3. Just after the patient wakes up
    The best time for a patient to collect a sputum specimen is first thing in the morning, when mucus and phlegm have accumulated overnight.
  4. Just before the patient goes to bed
15) Culture and sensitivity specimens should ideally be collected:
  1. after all the X-rays are done
  2. after at least 12 hours of fasting
  3. before antibiotics are started
    For culture and sensitivity tests, the sample should ideally be taken before the patient starts antibiotics. Antibiotics can prevent bacterial growth in the sample, causing false-negative results.
  4. first thing in the morning
16) Which sample does the ova and parasite test require?
  1. Blood
  2. Sputum
  3. Stool
    The ova and parasite test looks for eggs and intestinal parasites in a stool sample.
  4. Urine
17) Which test are midstream urine samples most often used for?
  1. 24-hour glucose test
  2. Culture and susceptibility
    Midstream urine samples are collected to avoid contamination from bacteria in the urethra or genital area. This type of sample is most often used for urine culture and sensitivity testing. ‘Culture’ refers to identifying the bacteria, and ‘susceptibility’ refers to determining which antibiotic will be effective against it.
  3. Mononucleosis testing
  4. Pregnancy testing
18) Which test requires a clean-catch urine specimen?
  1. Urine albumin-to-creatinine ratio
  2. Urine culture
    A clean-catch is a way of collecting urine without contaminating the urine sample with bacteria from the skin. This method is needed for urine culture tests, to prevent false positives.
  3. Urine glucose test
  4. Urine protein test
19) Which chemical is used to preserve urine samples for bacterial culture tests?
  1. Ammonia
  2. Boric acid
    Boric acid is used to preserve urine samples for bacterial culture tests. It stops bacteria in the sample from multiplying during transport.
  3. Calcium hydroxide
  4. Potassium hydroxide
20) Which urine collection technique collects urine by inserting a sterile needle through the abdominal wall into the patient's bladder?
  1. Biopsy
  2. Evacuated tube system
  3. Suprapubic aspiration
    Suprapubic aspiration is a procedure to take an uncontaminated urine sample to diagnose a urinary tract infection. It involves inserting a needle through the skin just above the pubic bone into the bladder. It is typically used to collect urine in children who are not yet toilet-trained.
  4. Urinary catheter

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Book edition of CAMLPR Clinical Microbiology Practice Questions

About the CAMLPR Clinical Microbiology exam

What is the CAMLPR Clinical Microbiology exam?

The CAMLPR Clinical Microbiology 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 Clinical Chemistry, Hematology, Transfusion Medicine, Histology, Cytogenetics, Molecular Diagnostics, and Cytology.

The Clinical Microbiology exam tests your knowledge of the principles, methods, and interpretation of identifying microorganisms and understanding their clinical significance. This includes testing such as specimen collection and processing, culture and sensitivity testing, Gram staining, microscopy, biochemical identification, antimicrobial susceptibility testing, molecular methods, quality control, infection prevention, and the use of manual and automated techniques to diagnose infectious diseases and guide patient care.

[CAMLPR-intro] [prometric] [CAMLPR-exam-format] [CAMLPR-exam-fees]

Exam bundles

You can take the Clinical Microbiology exam on its own or as part of an exam bundle:

[CAMLPR-bundles_intro] [CAMLPR-bundle_chem-hema-trans-micro] [CAMLPR-bundle_chem-hema-trans-micro-histo] [CAMLPR-reschedule] [CAMLPR-fail]

Competencies

The questions on the CAMLPR Clinical Microbiology exam cover eight competencies, each testing a different area of knowledge. The eight competencies are:

  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

The following table shows the percentage distribution of the competencies assessed in the CAMLPR Clinical Microbiology exam.

Percentage distribution of the competencies in the CAMLPR Clinical Microbiology exam.
Competency Percentage of exam
Specimen Collection 8%
Preparation and Testing 25%
Evaluation and Interpretation 25%
Reporting and Communication 20%
Equipment and Resources 5%
Safety 7%
Professionalism 5%
Quality Assurance 5%

The next few pages will describe each of the eight competencies in detail. These competencies form the blueprint for the CAMLPR Clinical Microbiology exam and can help you focus your study on the areas most likely to be assessed.

1. Specimen Collection

The first competency, Specimen Collection, is about collecting, transporting, and handling samples correctly so they stay suitable for testing. This competency may include questions about:

[CAMLPR_1_1] [CAMLPR_1_2-9] [CAMLPR_1_10]

2. Preparation and Testing

The second competency, Preparation and Testing, is about preparing and testing samples accurately to give reliable results. It may test your knowledge of:

    [CAMLPR_2_1] [CAMLPR_2_2] [CAMLPR_2_3] [CAMLPR_2_4_microbiology] [CAMLPR_2_5] [CAMLPR_2_6] [CAMLPR_2_10] [CAMLPR_2_12] [CAMLPR_2_14] [CAMLPR_2_16] [CAMLPR_2_17] [CAMLPR_2_18] [CAMLPR_2_21] [CAMLPR_2_22_microbiology] [CAMLPR_2_26_microbiology] [CAMLPR_2_27] [CAMLPR_2_31] [CAMLPR_2_37] [CAMLPR_2_38_microbiology] [CAMLPR_2_39] [CAMLPR_2_40_microbiology]

3. Evaluation and Interpretation

The third competency, Evaluation and Interpretation, is about checking and understanding results to help with diagnosis and treatment. It may include questions about:

    [CAMLPR_3_1] [CAMLPR_3_2] [CAMLPR_3_3_microbiology] [CAMLPR_3_5_microbiology] [CAMLPR_3_6] [CAMLPR_3_7] [CAMLPR_3_13]

4. Reporting and Communication

The fourth competency, Reporting and Communication, is about recording and sharing results clearly with healthcare teams. It may include questions about:

    [CAMLPR_4_1] [CAMLPR_4_2] [CAMLPR_4_3] [CAMLPR_4_4] [CAMLPR_4_5] [CAMLPR_4_6] [CAMLPR_4_7] [CAMLPR_4_8_microbiology]

5. Equipment and Resources

The fifth competency, Equipment and Resources, is about using, maintaining, and fixing lab equipment, and managing supplies. It may include questions about:

    [CAMLPR_5_1] [CAMLPR_5_1_microbiology] [CAMLPR_5_2] [CAMLPR_5_3]

6. Safety

The sixth competency, Safety, is about following safety and infection control rules to protect staff, patients, and the environment. It may include questions about:

    [CAMLPR_6_1-11] [CAMLPR_6_12] [CAMLPR_6_14]

7. Professionalism

The seventh competency, Professionalism, is about acting ethically, communicating well, and working professionally with others. It may include questions about:

    [CAMLPR_7_1-5] [CAMLPR_7_7]

8. Quality Assurance

The final competency, Quality Assurance, is about following quality checks and standards to keep results accurate and reliable. It may include questions about:

    [CAMLPR_8_1] [CAMLPR_8_3-5] [CAMLPR_8_6] [CAMLPR_8_7-9] [CAMLPR_8_10] [CAMLPR_8_11]