Which of the following equipment is used for the examination of the ear?

Appeared in: AIIMS Patna NO - 2020

Explanation

The instrument shown in the image is an otoscope, which is specifically designed for examining the ear.
The term 'oto-' is a prefix derived from Greek that means 'of the ear'.
An otoscope uses light and magnification to allow visualization of the ear canal and the tympanic membrane (eardrum).
It is essential for diagnosing common ear conditions like infections, blockages from wax or foreign objects, and trauma to the eardrum.

Option A: An ophthalmoscope is used to examine the interior structures of the eye, not the ear. The prefix 'ophthalmo-' relates to the eye.
Option B: A laryngoscope is used to view the larynx (voice box) and the upper part of the trachea, typically to facilitate the insertion of an endotracheal tube during general anesthesia or resuscitation. The prefix 'laryngo-' relates to the larynx.
Option D: A proctoscope is used for the examination of the rectum and anus. The prefix 'procto-' relates to the rectum and anus.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification and use of common medical examination instruments as background academic context rather than a clinical decision trigger.
Otoscopy is a fundamental physical assessment skill for nurses. It helps in the early detection of ear problems, allowing for prompt treatment and prevention of complications like hearing loss.
Nurses must know the correct technique for using an otoscope, which differs based on the patient's age, to ensure patient safety and obtain a clear view.
What if? If the patient were an infant under 3 years old, the nurse would need to pull the pinna (auricle) down and back to straighten the ear canal. For adults and children over 3, the pinna is pulled up and back.

How to Approach the Question

First, analyze the image provided. Identify the instrument as a handheld device with a light, a lens, and a cone-shaped tip (speculum). Recognize this as an otoscope.
Next, read the question carefully, which asks for the equipment used to examine the ear.
Connect the visual information with the question. The instrument's design is clearly suited for looking into a small canal like the ear.
Evaluate the options by breaking down the medical terminology. The prefix 'oto-' specifically refers to the ear.
Eliminate the other options based on their prefixes: 'ophthalmo-' (eye), 'laryngo-' (larynx), and 'procto-' (rectum).
Confirm that 'Otoscope' is the only logical answer that matches both the image and the question's focus on the ear.

Concept Tested & Keywords

Concept Tested: Identification and use of common medical examination instruments.
Stem keywords: equipment, examination, ear
Lead-in keywords: Which

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Practise the full AIIMS Patna NO - 2020

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