NORCET 3 - 2022 (Shift-1)
Medical & Surgical Nursing
Easy
What is name of the following instrument?.jpeg)
Appeared in: NORCET 3 - 2022 (Shift-1)
Explanation
- The instrument shown in the image is an otoscope, a fundamental tool for physical examination.
- It is clearly identified by its characteristic components: a handle, a head that contains a light source and a magnifying lens, and a cone-shaped disposable tip called a speculum.
- The primary function of an otoscope is to allow for a visual examination of the external auditory canal and the tympanic membrane (eardrum).
Why Other Options Were Wrong
- Option A: A stethoscope is an acoustic medical device used for auscultation, or listening to the internal sounds of the body. It does not have a light or lens for visual inspection.
- Option B: A fetoscope is used to listen to fetal heart tones. The most common type, a Pinard horn, is a simple cone-shaped horn and looks very different from the instrument shown.
- Option C: A proctoscope is a tubular instrument used for examining the anal cavity and rectum. It is structurally different from the handheld, angled device shown in the image.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of common medical instruments used in physical assessment as background academic context rather than a clinical decision trigger.
- Nurses use otoscopes as a key assessment tool to identify abnormalities in the ear canal and tympanic membrane, which can indicate conditions like otitis media (middle ear infection), otitis externa (swimmer's ear), cerumen (wax) impaction, or foreign bodies.
- Correct handling is a critical nursing skill for patient safety and diagnostic accuracy. The technique for straightening the ear canal differs by age: pull the pinna up and back for adults, but down and back for infants and young children.
- What if? If a nurse observes a red, bulging tympanic membrane with a distorted or absent cone of light during an otoscopic exam, this strongly suggests acute otitis media. The nurse's priority is to document the findings and report them to the healthcare provider for further evaluation and potential treatment with antibiotics.
How to Approach the Question
- First, analyze the image to identify the key features of the instrument. Notice the handle, the head piece, and the cone-shaped tip.
- Observe the details of the head piece: it includes a lens (for magnification) and a light source, indicating its use for visual inspection of a body cavity.
- Consider the function implied by its design. The small, cone-shaped tip (speculum) is designed to be inserted into a small opening, like the ear canal.
- Evaluate the given options based on your knowledge of medical instruments. A stethoscope is for listening, a fetoscope for fetal heart sounds, and a proctoscope for rectal exams.
- Compare the visual evidence with the functions of the options. The instrument's features directly match the description and purpose of an otoscope used for ear examinations.
Concept Tested & Keywords
- Concept Tested: Identification of common medical instruments used in physical assessment.
- Stem keywords: instrument, name
- Lead-in keywords: What is
Question ID
QwtXmIRWeSO7CkLz8nC3UD
Reference Book
E6 Nursing Fundamentals Potter Perry 12e Part 3 p. 83-85
E6 Nursing Fundamentals Taylor p. 380-382
Practise the full NORCET 3 - 2022 (Shift-1)
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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