While examining the nails of the patient, you found that there are transverse depressions in nails indicating temporary disturbances in nail growth. What are these depressions known as?

1. A

   Beau's lines

2. B

   Koilonychia

3. C

   Splinter haemorrhage

4. D

   Paronychia

Appeared in: RUHS, Jaipur, PB B.Sc Nursing Entrance-2019

Explanation

• Beau's lines are the correct term for the described finding.
• They appear as transverse (horizontal) depressions or grooves across the nail plate.
• These lines result from a temporary cessation of cell division in the nail matrix, the area where the nail is formed.
• This interruption is typically caused by a significant systemic event, such as a severe illness (e.g., high fever, pneumonia), major surgery, chemotherapy, or severe malnutrition.
• As the nail continues to grow, the depression moves distally, allowing for an estimation of when the stressful event occurred.

Why Other Options Were Wrong

• Option B: Koilonychia is characterized by 'spoon-shaped' nails, where the nail plate is concave. The question describes transverse depressions, not a change in the overall curvature of the nail.
• Option C: Splinter haemorrhages are longitudinal (vertical), thin, reddish-brown lines under the nail, not transverse depressions. They represent tiny bleeds from capillaries in the nail bed.
• Option D: Paronychia is an infection of the nail fold, the skin surrounding the nail. It presents with inflammation (redness, swelling, pain) and possibly pus, not a structural change in the nail plate itself.

Related Visual

Clinical Relevance

• Nursing practice connection: Use the key finding related to Identification of nail abnormalities as clinical signs to guide bedside assessment, documentation, and the next nursing action.
• A thorough nail examination is a crucial part of a comprehensive physical assessment, as nail changes can be the first or only sign of an underlying systemic disease.
• Recognizing Beau's lines prompts the nurse to inquire about recent significant illnesses, surgeries, or stressors, which can provide valuable context to the patient's overall health status.
• What if the depressions were not transverse but were small, scattered pits on the nail surface? This would suggest 'nail pitting', which is commonly associated with psoriasis, alopecia areata, or eczema, shifting the diagnostic focus.

How to Approach the Question

• First, identify the key descriptive terms in the question stem: 'transverse depressions' and 'temporary disturbances in nail growth'.
• Analyze the options provided, which are all specific medical terms for nail abnormalities.
• Systematically match the description from the stem to the definition of each option.
• Beau's lines are defined as transverse grooves from arrested nail growth, which is a direct match.
• Rule out the other options by recalling their definitions: Koilonychia (spooning), Splinter haemorrhage (longitudinal bleeds), and Paronychia (infection of the nail fold).
• Confirm the selection of Beau's lines as the only option that fits the description of transverse depressions.

Concept Tested & Keywords

• Concept Tested: Identification of nail abnormalities as clinical signs.
• Stem keywords: nails, transverse depressions, nail growth
• Lead-in keywords: What are these depressions known as?
• Clinical cues: The key finding is 'transverse depressions', which points directly to a specific nail sign.

Question ID

Q2ZjkuLSTB2ekwJbtPA1zM

Copy ID

Reference Book

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 pp. 1954-1956, 1955-1957

E6 Medicine Davidson Principles Practice 24e p. 1281-1283