10 Questions
Which nerve supplies the muscles of the larynx?
Vagus/accessory nerve
What is the purpose of the turbinate bones in the nasal cavity?
To increase the surface area of the nasal epithelium for smell and cleaning/warming the air.
What causes the Adam's apple to be larger in men?
Growth of the thyroid cartilage
What is the function of the pharynx?
To provide a pathway for food and air.
What happens when the cricothyroid muscle contracts?
The vocal cords become longer and thicker
What is the primary function of the larynx?
To provide a sphincter and controlled entrance for the airway.
Which nerve supplies most of the muscles of the larynx?
Vagus nerve
What is the function of the epiglottis?
To deflect food away from the trachea
Where do the vocal folds run from and to?
From the anterior (vocal) processes of the arytenoids to the back of the thyroid cartilage
What determines the sound produced by the vocal folds?
The thickness and length of the string.
Study Notes
- The nasal cavity is enclosed within the bones of the face.
- The nose develops as an inpocketing and thickening of the surface ectoderm.
- Turbinate bones increase the surface area of the nasal epithelium for smell and cleaning/warming the air.
- The pharynx is the area between the mouth and the larynx.
- The larynx provides a sphincter and controlled entrance for the airway, vocalization, and effort closure in relation to raising intra-abdominal pressure.
- The larynx is lined with mucous membrane supplied by branches of the vagus nerve.
- The epiglottis deflects food, but effort closure of the larynx is performed by sphincter muscles surrounding the laryngeal opening.
- All but one of the small muscles of the larynx are supplied by the recurrent laryngeal nerve.
- The vocal folds run from the anterior (vocal) processes of the arytenoids to the back of the thyroid cartilage.
- The sounds produced by the vocal folds rely on the thickness and length of the string.
Test your knowledge of the anatomy and function of the respiratory system with this quiz! From the nasal cavity to the larynx, this quiz covers key concepts including the role of the pharynx, the function of the turbinate bones, and the mechanics of vocalization. Challenge yourself to see how much you know about the respiratory system and its important functions in the body.
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