Identify the following instrument?& x20; - AIIMS Rishikesh NO - 2019

AIIMS Rishikesh NO - 2019

Medical & Surgical Nursing

Medium

Appeared in: AIIMS Rishikesh NO - 2019

Explanation

The instrument in the image is a Sims' speculum, which functions as a proctoscope for rectal examinations.
A proctoscope is a general term for an instrument used to examine the anal canal and rectum.
The Sims' speculum is a double-bladed retractor designed to pull back the posterior wall of the rectum or vagina, allowing for direct visualization.
Its short, rigid, and simple design is characteristic of instruments used for examining easily accessible cavities like the rectum, distinguishing it from long, flexible endoscopes.

Option A: A colonoscope is a very long, flexible, fiber-optic instrument used to examine the entire length of the colon. The instrument in the image is short, metallic, and rigid.
Option C: A bronchoscope is a thin, flexible or rigid tube inserted through the nose or mouth to examine the airways (trachea and bronchi) of the lungs. The instrument shown is not designed for airway examination.
Option D: A laryngoscope is used to visualize the larynx (voice box) and facilitate endotracheal intubation. It consists of a handle (containing batteries) and a detachable blade with a light source, which looks very different from the instrument shown.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of common medical and surgical instruments as background academic context rather than a clinical decision trigger.
Correctly identifying instruments is a fundamental skill for nurses to ensure patient safety and the smooth execution of procedures. Handing the wrong instrument to a physician can cause delays, procedural errors, or patient injury.
Nurses are responsible for preparing patients for procedures like proctoscopy, which includes explaining the procedure, ensuring proper patient positioning (e.g., Sims' position or knee-chest position), and providing post-procedure care and monitoring.
What if? If a patient were scheduled for a colonoscopy but the nurse prepared a proctoscope, the procedure could not be completed. This would lead to a significant delay in diagnosis and treatment, requiring rescheduling and repeated patient preparation (e.g., bowel prep).

How to Approach the Question

First, carefully examine the visual characteristics of the instrument in the image. Note its shape, size, material (metal), and parts (blades, handle).
The instrument is short, rigid, and has speculum-like blades. This suggests it is used for examining a relatively superficial body cavity.
Consider the function of each instrument listed in the options.
A Colonoscope and Bronchoscope are long, flexible endoscopes for deep internal examination (colon and lungs, respectively). This does not match the image.
A Laryngoscope has a distinct handle and blade with a light source for viewing the larynx. This also does not match the image.
A Proctoscope is used for examining the rectum. The instrument shown, a Sims' speculum, is used for this purpose. Therefore, this is the most logical answer.

Concept Tested & Keywords

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E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur p. 50-58