The voice box is known as?

Appeared in: AIIMS Patna NO - 2020

Explanation

The larynx is the anatomical structure commonly referred to as the 'voice box'.
It houses the vocal folds (vocal cords), which are essential for phonation (producing sound).
When air is exhaled from the lungs, it passes through the larynx, causing the vocal folds to vibrate and generate sound.
This sound is then articulated into speech by the pharynx, mouth, and nose.

Option B: The diaphragm is the primary muscle of respiration located below the lungs. Its contraction and relaxation control breathing, but it does not produce sound.
Option C: Bronchioles are the smaller branches of the bronchial airways in the lungs. They function to conduct air to the alveoli for gas exchange and have no role in voice production.
Option D: The pharynx, or throat, is a muscular tube that serves as a passageway for both air (to the larynx) and food (to the esophagus). While it acts as a resonating chamber to modify sound, it does not produce the initial sound.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Anatomy and function of the respiratory system structures as background academic context rather than a clinical decision trigger.
Understanding the larynx's function is crucial for nurses, especially when managing patients with respiratory distress or voice changes.
Inflammation of the larynx, known as laryngitis, can cause hoarseness or complete loss of voice, which can be a sign of infection or overuse.
The larynx is a critical landmark for endotracheal intubation, a procedure to secure a patient's airway during surgery or respiratory failure.

How to Approach the Question

This is a factual recall question based on anatomical terminology.
Identify the key term in the question: 'voice box'.
Access your knowledge of the respiratory system's anatomy.
Associate the function of voice production with the correct anatomical structure.
Evaluate each option: The Larynx contains the vocal cords. The Diaphragm is for breathing. Bronchioles are in the lungs. The Pharynx is the throat.
Conclude that 'Larynx' is the correct medical term for the 'voice box'.

Concept Tested & Keywords

QAMYKmsAY0_AaqJEayptq7

E6 Anatomy Applied Ashalatha 4e pp. 96-98, 95-97

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 359-361

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.