Podcast
Questions and Answers
What is the origin of the mucosa covering the root of the tongue?
What is the origin of the mucosa covering the root of the tongue?
- Pharyngeal pouches
- Mesenchyme of the second, third arch and part of fourth arch (correct)
- Occipital somites
- Mesenchyme of the first arch
Which cranial nerve is responsible for the innervation of the tongue musculature?
Which cranial nerve is responsible for the innervation of the tongue musculature?
- Superior laryngeal nerve
- Glossopharyngeal nerve
- Hypoglossal nerve (correct)
- Facial nerve
What is the origin of the epiglottis?
What is the origin of the epiglottis?
- Hypobranchial eminence
- Posterior part of the fourth arch (correct)
- Pharyngeal pouches
- Mesenchyme of the first arch
What are the segmented blocks of paraxial mesoderm along the trunk of the embryo called?
What are the segmented blocks of paraxial mesoderm along the trunk of the embryo called?
What is the origin of the myoblasts that differentiate into tongue muscles?
What is the origin of the myoblasts that differentiate into tongue muscles?
What is the approximate percentage of clefts among all reported anomalies in the United States?
What is the approximate percentage of clefts among all reported anomalies in the United States?
Which nerve is responsible for the innervation of the extreme posterior part of the tongue?
Which nerve is responsible for the innervation of the extreme posterior part of the tongue?
Which of the following is NOT a type of environmental factor that can affect the embryo and contribute to cleft lip and cleft palate?
Which of the following is NOT a type of environmental factor that can affect the embryo and contribute to cleft lip and cleft palate?
What is the term for the lack of fusion between the medial nasal process and maxillary process in one side?
What is the term for the lack of fusion between the medial nasal process and maxillary process in one side?
Which of the following is a genetic cause of cleft lip and cleft palate?
Which of the following is a genetic cause of cleft lip and cleft palate?
What is the approximate incidence of cleft lip per 1000 births?
What is the approximate incidence of cleft lip per 1000 births?
Which of the following is a type of facial cleft due to the lack of fusion between the maxillary process and lateral nasal process?
Which of the following is a type of facial cleft due to the lack of fusion between the maxillary process and lateral nasal process?
Which pharyngeal arch is associated with the development of the posterior most part of the tongue?
Which pharyngeal arch is associated with the development of the posterior most part of the tongue?
Which cranial nerve is responsible for supplying the mucosa of the posterior third of the tongue?
Which cranial nerve is responsible for supplying the mucosa of the posterior third of the tongue?
What is the primary function of the tongue in the digestive system?
What is the primary function of the tongue in the digestive system?
What is the embryonic structure that gives rise to the anterior two-thirds of the tongue?
What is the embryonic structure that gives rise to the anterior two-thirds of the tongue?
What is the function of the tongue in the act of speech?
What is the function of the tongue in the act of speech?
What is the name of the swelling that appears in the midline during tongue development?
What is the name of the swelling that appears in the midline during tongue development?
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