25 Questions
What is the portion of the nasal cavity that contains the olfactory region?
Olfactory region
Which structure separates the two sides of the nasal cavity?
Nasal septum
What is the function of the respiratory region in the nasal cavity?
To warm and humidify the air
Which of the following is NOT a part of the nasal cavity?
Posterior nasal spine
What is the function of the olfactory region?
To detect smells
Which sinus is located near the nasal meatus?
Ethmoidal sinus
What is the name of the duct connected to the nasal cavity?
Nasolacrimal duct
Which sinus has an anterior portion referred to as the Antethmoidal sinus?
Ethmoidal sinus
Which sinus is located superiorly in the nasal cavity?
Frontal sinus
Which of the following sinuses is not shown in the diagram?
Temporal sinus
Which sinus is located above the nasal cavity?
Frontal sinus
What is the name of the tonsil located in the nasopharynx?
Pharyngeal tonsil
Which of the following is NOT a part of the pharynx?
Sphenoidal sinus
What is the name of the tube that connects the middle ear to the nasopharynx?
Auditory tube
Which of the following sinuses is not paired?
Sphenoidal sinus
What is the type of sinus mentioned in the content?
Ethmoidal sinus
How many types of ethmoidal sinuses are mentioned in the content?
2
What is the name of the second type of ethmoidal sinus mentioned in the content?
Middle ethmoidal sinus
What is the abbreviation for 'Inferior' in the context of the ethmoidal sinus?
Inf.
What is the significance of the ethmoidal sinus in the human body?
It filters the air we breathe
What is the main function of the pharyngotympanic tube?
Equalizing air pressure in the middle ear
Which of the following cartilages is single?
Epiglottis
What is the position of the thyroid cartilage in the larynx?
C4, C5
What is the function of the vestibular fold?
Separates the laryngeal ventricle from the larynx
What is the term for the energy source for phonation?
Expired air
Study Notes
Nasal Cavity
- The nasal cavity consists of the vestibule, olfactory region, and respiratory region.
- The nasal septum separates the nasal cavity into two halves.
Paranasal Sinuses
- The paranasal sinuses include:
- Maxillary sinus
- Frontal sinus
- Sphenoidal sinus
- Anterior ethmoidal sinus
- Middle ethmoidal sinus
- Posterior ethmoidal sinus
- Superior ethmoidal sinus
Nasal Meatus and Nasolacrimal Duct
- The nasal meatus is a passage in the nasal cavity.
- The nasolacrimal duct connects the eye to the nasal cavity.
Pharynx
- The pharynx is divided into three parts:
- Nasopharynx
- Oropharynx
- Laryngopharynx
- The pharynx contains the pharyngeal tonsil (third tonsil or adenoid) and the Eustachian salpinx (auditory tube).
Larynx
- The larynx is located at the level of C3-C6 and performs three main functions:
- Respiratory duct
- Swallowing
- Phonation (voice production)
- The larynx is composed of several cartilages, including:
- Single cartilages: thyroid, epiglottis, and cricoid
- Paired cartilages: arytenoid, corniculate, and cuneiform
- The larynx contains laryngeal muscles and the vestibular fold and vocal fold.
Phonation
- Phonation involves the production of sound through the vibration of the vocal folds.
- The larynx is the source of energy for phonation, using the exhaled air.
- The vocal folds and the cavities of the mouth, nose, and sinuses modify and amplify the sound.
Laryngeal Ventricle
- The laryngeal ventricle is a small cavity between the vestibular and vocal folds.
Sex Differences
- The larynx of males and females differ in size:
- Male: longitudinal diameter 44 mm, transverse diameter 43 mm, sagittal diameter 36 mm, and rima glottidis 23 mm
- Female: longitudinal diameter 36 mm, transverse diameter 41 mm, sagittal diameter 26 mm, and rima glottidis 17 mm
This quiz covers the different parts of the nasal cavity, including the vestibule, olfactory region, and respiratory region, as well as the paranasal sinuses and nasal meatus.
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