PAP PAP Specimen Collection and Preparation 2 — Questions and Answers
Question 1: Which anatomical area of the cervix is the most critical to sample during a Pap test?
- Vaginal fornix
- Transformation zone (squamocolumnar junction) (Correct answer)
- Cervical os only
- Posterior vaginal wall
Correct answer: Transformation zone (squamocolumnar junction)
The transformation zone is where squamous and columnar epithelia meet and where most cervical dysplasias and cancers originate.
Question 2: What is the correct technique for using an endocervical brush during Pap specimen collection?
- Insert fully and rotate 360 degrees vigorously
- Insert until resistance is felt and rotate 90-180 degrees (Correct answer)
- Sweep only across the ectocervix surface
- Insert deeply and rotate 540 degrees
Correct answer: Insert until resistance is felt and rotate 90-180 degrees
The endocervical brush is inserted until resistance is felt, then rotated 90-180 degrees to collect endocervical cells without causing excessive trauma.
Question 3: What information is mandatory on the specimen label for a Pap test to ensure proper tracking?
- Patient name only
- Patient name, date of birth, and collection date (Correct answer)
- Physician name and clinic address only
- Insurance information and patient ID number
Correct answer: Patient name, date of birth, and collection date
A minimum of two patient identifiers (name and date of birth) plus the collection date are required on specimen labels to ensure accurate tracking.
Question 4: Which condition renders a liquid-based Pap specimen unsatisfactory for evaluation?
- Presence of endocervical cells
- Fewer than 5,000 well-preserved squamous cells (Correct answer)
- Squamous metaplastic cells present
- Light blood contamination with cells visible
Correct answer: Fewer than 5,000 well-preserved squamous cells
A liquid-based Pap specimen is unsatisfactory if it contains fewer than 5,000 well-preserved, well-visualized squamous epithelial cells.
Question 5: How should a liquid-based Pap specimen vial be stored if laboratory processing is delayed beyond 24 hours?
- At room temperature indefinitely
- Refrigerated at 2-8°C (Correct answer)
- Frozen at -20°C
- In an incubator at 37°C
Correct answer: Refrigerated at 2-8°C
Most liquid-based cytology specimens can be safely stored refrigerated at 2-8°C for extended periods without compromising cellular quality.
Question 6: What does the phrase 'satisfactory for evaluation' mean on a Pap test report?
- No abnormal cells were identified in the specimen
- The specimen meets minimum adequacy criteria for reliable interpretation (Correct answer)
- The sample must be repeated due to borderline quality
- Endocervical cells are confirmed absent
Correct answer: The specimen meets minimum adequacy criteria for reliable interpretation
'Satisfactory for evaluation' confirms the specimen meets adequacy standards and can be reliably interpreted by the cytologist.
PAP PAP Specimen Collection and Preparation 2
Which anatomical area of the cervix is the most critical to sample during a Pap test?