Special Sub-Topic: Anatomy 1001: Digestion
|Which tube does food flow down immediately before entering the cardiac sphincter?|
Esophagus. The trachea and laryngopharynx are tubes that air travels through during respiration.
|Which of the following is not a pair of tonsils found in the body?|
Esophageal tonsils. Tonsils are named for their relative positions in the body. Esophageal tonsils do not exist.
|What is the name of the structure which food passes through to leave the stomach?|
Pyloric Sphincter. The cardiac sphincter leads into the stomach, the ileo-cecal valve connects the ileum to the cecum, and the sphincter of Oddi connects the pancreatic duct to the duodenum.
|What is the name of the organ that produces bile?|
Liver. The gall bladder stores the bile.
|What is the name of the cluster of cells in the pancreas that function in endocrine activity?|
Islet of Langerhans. Acinar cells function in exocrine activity, the glomerulus is present in nephrons and filters the blood.
|What are the name of the structures in the small intestine that increase surface area?|
Villi. Rugae serves a similar function, but is found in other parts of the body.
|What is the salivary gland which is innervated by Cranial Nerve IX, the glossopharyngeal nerve?|
Parotid Salivary Gland. The submandibular and sublingual salivary glands are innervated by Cranial Nerve VII, the facial nerve. There is no submaxillary salivary gland.
|From the gall bladder, which structure does the bile flow through first in route to the small intestine?|
Cystic duct. The hepatic and cystic ducts combine to form the common bile duct.
|What of these functions does the vermiform appendix serve?|
None of these. The vermiform appendix is a vestigial structure, meaning that it may have served a purpose at one point in time, but no longer does.
|What is the last portion of the large intestine?|
Sigmoid colon. The order is Ascending colon, transverse, descending, sigmoid.
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