Which instrument is used to take a cervical smear?

Appeared in: ISRO- 2016

Explanation

The instrument shown in the image is an Ayre's spatula, which is specifically designed for collecting cervical cells for a Pap smear.
Its unique shape, with one end contoured to the ectocervix and the other for the endocervical canal, allows for effective sampling of the transformation zone.
The procedure involves rotating the spatula 360 degrees on the cervix to scrape cells for cytological analysis.
This method is a key component of cervical cancer screening.

Option A: A Ventose, or ventouse, is a vacuum cup used to assist in delivering a baby during childbirth.
Option C: Forceps are general surgical instruments used for grasping, holding, or manipulating tissue. Obstetric forceps are used to assist in childbirth.
Option D: A vaginoscope is an endoscopic instrument used to visually inspect the vagina and cervix, not to collect cell samples.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification and use of gynecological instruments for cervical screening as background academic context rather than a clinical decision trigger.
The Pap smear, for which the Ayre's spatula is used, is a critical screening tool for the early detection of cervical cancer and precancerous changes, significantly reducing mortality from this disease.
A nurse's role includes educating the patient about the procedure, ensuring she is properly prepared (e.g., avoiding douching or intercourse 24-48 hours prior), providing support during the examination, and correctly labeling and handling the specimen.
What if? If the sample collected is inadequate (e.g., not enough cells from the transformation zone), the test result will be inconclusive. The patient would need to return for a repeat Pap smear, causing anxiety and delay in diagnosis. Proper technique is crucial.

How to Approach the Question

First, identify the core of the question, which is to name the instrument for a 'cervical smear'.
Next, carefully examine the provided image. Recognize the distinctive shape of the instrument.
Recall or deduce the function of the instrument shown. The flat, specially shaped end is designed for scraping, not grasping or viewing.
Connect this function to the procedure mentioned (cervical smear). This points to a sampling tool.
Evaluate the options. 'Ayre's spatula' is the specific name for this cervical scraping tool.
Eliminate the other options by recalling their primary functions: Ventose (delivery), Forceps (grasping), and Vaginoscope (viewing).

Concept Tested & Keywords

Concept Tested: Identification and use of gynecological instruments for cervical screening.
Stem keywords: instrument, cervical smear
Lead-in keywords: Which

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E6 Gynecology Williams p. 213-259

E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 112-114

Practise the full ISRO- 2016

Attempt every question from this paper in a timed mock, then review the full solution for each one.