AIIMS Delhi NO - 2018
Applied Microbiology & Infection control
Easy

The following denote instrument is used for collection of?

Appeared in: AIIMS Delhi NO - 2018

Explanation

  • The image displays a standard kit for a Pap smear, which is used to collect cervical cells for cancer screening.
  • The wooden Ayre's spatula is specifically shaped to scrape cells from the ectocervix (outer part of the cervix).
  • The cytobrush (endocervical brush) is designed to be inserted into the cervical canal to obtain cells from the endocervix.
  • The combination of these two tools ensures a comprehensive sample from the transformation zone, where cervical abnormalities most often arise.
  • The vial contains a liquid medium (liquid-based cytology) to preserve the collected cells for analysis.

Why Other Options Were Wrong

  • Option B: Sputum is respiratory secretion from the lungs. It is collected by having the patient cough into a sterile cup, not by using a spatula or cervical brush.
  • Option C: A stool specimen is collected in a clean, dry container. While a spatula might be used to transfer the sample, it is a different type than the Ayre's spatula shown.
  • Option D: A wound specimen is typically collected using a sterile swab to collect pus or exudate from a wound site. The instruments shown are not suitable for this purpose.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of equipment for gynecological specimen collection (Pap smear) as background academic context rather than a clinical decision trigger.
  • Nurses play a crucial role in educating patients about the Pap smear, including pre-procedure instructions like avoiding douching, which can wash away abnormal cells and affect results.
  • Properly positioning the patient in the lithotomy position is essential for the provider to visualize the cervix and obtain an adequate sample, a task often assisted by the nurse.
  • Providing post-procedure reassurance and information, such as the possibility of light spotting, helps manage patient anxiety and ensures they know when to seek further care.
How to Approach the Question
  • First, carefully examine the image and identify each instrument in the tray.
  • Recognize the specific shapes of the tools: a flat wooden spatula (Ayre's spatula) and a brush with a long handle (cytobrush/endocervical brush).
  • Recall or deduce the clinical purpose of these instruments. Their design is specific to accessing the cervix through a speculum.
  • Connect these instruments to the procedure they are used for, which is the Papanicolaou (Pap) test.
  • Conclude that the purpose of a Pap test is to collect a sample of cells from the cervix.
  • Select the option that correctly identifies the specimen type as 'Cervical specimen'.
Concept Tested & Keywords
  • Concept Tested: Identification of equipment for gynecological specimen collection (Pap smear).
  • Stem keywords: instrument, collection
  • Lead-in keywords: used for
  • Clinical cues: Image of Ayre's spatula, cytobrush, and collection vial in a tray.

Question ID

QAbYlY4huywfonpj2Q1Q-X

Reference Book

E6 Gynecology Williams p. 213-259

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

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