Digestive tract 2
Digestive Tract Mastery Quiz
Test your knowledge on the complex topic of the digestive system with our comprehensive quiz. Dive into questions about embryonic development, anatomical structures, and physiological fun
- Multiple-choice format to challenge your understanding
- Learn about the connections between structures and their developmental origins
- Engaging questions suitable for students and professionals alike
Clefts of fetus
5 clefts?
4 clefts?
5th week embryo is characterized by the presence of 4 pairs of pharyngeal clefts
2nd, 3rd and 4th clefts only form temporary cervical sinuse
2nd, 3rd and 4th clefts lose contact with outside
1st pair of clefts gives rise to auditory meatus, eardrum
Facial Development
Facial Prominences appear at the end of 4th week
Nasal placodes are local thickening of the surface ectoderm on both sides of frontonasal prominences
Upper lip is formed by 2 lateral nasal prominences
The lower lip and the jaw are formed from the mandibular prominences
Begins at week 4
Begins at week 5
What is true about the cardia?
It is the largest part of the stomach
it is between duodenum and body of the stomach
It is between the esophagus and body of the stomach
Correct relations
Goblet Cells - Mucous
Goblet Cells - Hormones
Chief Cells – HCL
Parietal Cells - Production of HCL
Which pair/pairs (structure-derivation) is/are correct?
Malleus-1st pharyngeal arch
Superior parathyroid gland – 4th pharyngeal cleft
Inferior parathyroid gland – 3rd pharyngeal cleft
Middle ear cavity – 1st pharyngeal arch
Eustachian tube – 1st pharyngeal pouch
Eustachian tube – 2nd pharyngeal pouch
Ncus – 1st pharyngeal arch
Stapes – 2nd pharyngeal arch
Stapes – 1st pharyngeal arch
Where can we find glands in the submucosa of digestive tract?.
Duodenum
Every part of large intestine
Every part of small intestine
Esophagus
What causes orofacial clefting?
Folic acid
Maternal hypoxia as caused by e.g. Maternal smoking
Retinoids- which are members of the vitamin A family
Pesticide exposure
Submucosa
Is covered by mesothelium
Consist of dense connective tissue
Consist of loose connective tissue
Consist of auerbach's plexus
Cells in the body
Chief cells secrete pepsinogen
Pyloric region of the stomach has deeper gastric pits than fundic part
Chief cells produce HCL
Parietal (oxyntic) cells produce gastric intrinsic factor
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