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This muscle (black arrow)  . . . Choose from the following: (A) is innervated by the recurrent laryngeal nerve and functions to decrease the pitch of the voice   (B) is innervated by the internal laryngeal nerve and functions to increase the pitch of the voice   (C) is innervated by the external laryngeal nerve and functions to abduct the true vocal ligaments   (D) is innervated by the recurrent laryngeal nerve and functions to adduct the true vocal ligaments   (E) is nnervated by the recurrent laryngeal nerve and functions to abduct the true vocal ligaments   (F) is innervated by the external laryngeal nerve and functions to increase the length of the true vocal ligaments

This muscle (black arrow)  . . . Choose from the following: (A) is innervated by the recurrent laryngeal nerve and functions to decrease the pitch of the voice   (B) is innervated by the internal laryngeal nerve and functions to increase the pitch of the voice   (C) is innervated by the external laryngeal nerve and functions to abduct the true vocal ligaments   (D) is innervated by the recurrent laryngeal nerve and functions to adduct the true vocal ligaments   (E) is nnervated by the recurrent laryngeal nerve and functions to abduct the true vocal ligaments   (F) is innervated by the external laryngeal nerve and functions to increase the length of the true vocal ligaments

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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This muscle (black arrow)  . . .

Choose from the following:

(A) is innervated by the recurrent laryngeal nerve and functions to decrease the pitch of the voice
 
(B) is innervated by the internal laryngeal nerve and functions to increase the pitch of the voice
 
(C) is innervated by the external laryngeal nerve and functions to abduct the true vocal ligaments
 
(D) is innervated by the recurrent laryngeal nerve and functions to adduct the true vocal ligaments
 
(E) is nnervated by the recurrent laryngeal nerve and functions to abduct the true vocal ligaments
 
(F) is innervated by the external laryngeal nerve and functions to increase the length of the true vocal ligaments
The image appears to be a detailed anatomical model of the human larynx, which is part of the respiratory system and involved in sound production. Here's a transcription and explanation that could be used on an educational website: --- **Anatomical Model of the Human Larynx** This model depicts the intricate structures of the human larynx, demonstrating its key components and their functions: - **Vocal Folds**: The vocal folds, shown here in a red color, are crucial for sound production. Vibrations of these folds create voice when air passes through them. - **Thyroid Cartilage**: The prominent structure at the front, resembling a shield, provides protection to the vocal cords. It's identified by its larger, protruding shape. - **Cricoid Cartilage**: Located below the thyroid cartilage, this ring-shaped structure maintains the airway open and serves as an attachment point for muscles and ligaments. - **Epiglottis**: The leaflet-shaped structure above the vocal folds functions as a switch between the trachea and the esophagus, ensuring food does not enter the airways during swallowing. - **Muscles and Ligaments**: Highlighted in red, these structures facilitate the movement and tension of the vocal cords, influencing pitch and volume during speech. This model is an excellent educational resource for understanding the physiological mechanisms of voice production and the integrated role of each component in protecting the airway. --- This explanation highlights the main parts and functions of the larynx using the visual cues from the model.
Transcribed Image Text:The image appears to be a detailed anatomical model of the human larynx, which is part of the respiratory system and involved in sound production. Here's a transcription and explanation that could be used on an educational website: --- **Anatomical Model of the Human Larynx** This model depicts the intricate structures of the human larynx, demonstrating its key components and their functions: - **Vocal Folds**: The vocal folds, shown here in a red color, are crucial for sound production. Vibrations of these folds create voice when air passes through them. - **Thyroid Cartilage**: The prominent structure at the front, resembling a shield, provides protection to the vocal cords. It's identified by its larger, protruding shape. - **Cricoid Cartilage**: Located below the thyroid cartilage, this ring-shaped structure maintains the airway open and serves as an attachment point for muscles and ligaments. - **Epiglottis**: The leaflet-shaped structure above the vocal folds functions as a switch between the trachea and the esophagus, ensuring food does not enter the airways during swallowing. - **Muscles and Ligaments**: Highlighted in red, these structures facilitate the movement and tension of the vocal cords, influencing pitch and volume during speech. This model is an excellent educational resource for understanding the physiological mechanisms of voice production and the integrated role of each component in protecting the airway. --- This explanation highlights the main parts and functions of the larynx using the visual cues from the model.
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