Choose the incorrect statement about the production of sound...

Name: Problem 8, Chapter 14: Biology of Humans: Concepts, Applications, and Issues
Uploaded: 2020-06-27T02:21:32-08:00
Duration: 30 s
Channel: Sam Limsuwannarot
Description: Choose the incorrect statement about the production of sound called the voice: a. Speaking sounds are produced when the epiglottis vibrates. b. Thicker vocal cords produce deeper voice sounds. c. Laryngitis results when the vocal cords become swollen and thick and cannot vibrate easily d. There are only two true vocal cords.

Choose the incorrect statement about the production of sound called the voice: a. Speaking sounds are produced when the epiglottis vibrates. b. Thicker vocal cords produce deeper voice sounds. c. Laryngitis results when the vocal cords become swollen and thick and cannot vibrate easily d. There are only two true vocal cords.

Choose the incorrect statement about the production of sound called the voice:
a. Speaking sounds are produced when the epiglottis vibrates.
b. Thicker vocal cords produce deeper voice sounds.
c. Laryngitis results when the vocal cords become swollen and thick and cannot vibrate easily
d. There are only two true vocal cords.

Key Concepts

Voice Production Mechanism

This concept relates to how sound is generated in the human body. It involves the expulsion of air from the lungs that passes through the larynx, causing the true vocal cords to vibrate. The resulting vibrations are then modified by the resonating chambers of the throat, mouth, and nasal passages to produce the sounds we recognize as speech and voice.

Anatomy of the Larynx

The larynx is a crucial structure in the respiratory system that houses the vocal cords and plays a key role in voice production. It includes both true vocal cords, which are primarily responsible for sound production, and false vocal cords, which do not contribute directly to voice generation. Understanding the distinct roles of these structures is vital to comprehending how normal and pathological voice production occurs.

Vocal Cord Characteristics

Vocal cords vary in length, thickness, and tension, all of which influence the pitch and quality of the voice. For instance, thicker and longer vocal cords generally produce deeper sounds, while thinner and shorter cords result in higher pitches. This concept helps explain the physical basis for variations in voices among different individuals.

Laryngitis

Laryngitis refers to the inflammation of the larynx, particularly affecting the true vocal cords. This inflammation can cause the vocal cords to swell, making it difficult for them to vibrate properly. As a result, the voice may become hoarse, weak, or temporarily lost, highlighting the sensitivity of voice production to changes in the vocal cords' condition.

Epiglottis Function

The epiglottis is a flap-like structure located at the entrance of the larynx. Its primary role is to act as a protective barrier during swallowing, preventing food and liquids from entering the airway. It does not contribute to the production of sound, distinguishing its function from that of the vocal cords.

Please give Ace some feedback