The next block of questions focuses on acid and enzyme production in the stomach. for these questions, select from: a) parietal cells b) chief cells c) enterochromaffin-like cells d) d cells e) g cells 12) chemoreceptors on sensory neurons detect biomolecules entering the stomach and then directly stimulate these cells permits vitamin b12 absorption. release somatostatin which turns off the production of 13) these cells release a molecule called intrinsic factor that 14) a rise in h levels in the stomach stimulatesto gastric secretions.

Explanation:

Parietal cells (also known as oxyntic or delomorphous cells) are the epithelial cells that secrete hydrochloric acid (HCl) and intrinsic factor. These cells are located in the gastric glands found in the lining of the fundus and in the cardia of the stomach.

Gastric Chief Cells (also known as a zymogenic cell or peptic cell) is a cell in the stomach that releases pepsinogen and chymosin. Pepsinogen is activated into the digestive enzyme pepsin when it comes in contact with acid produced by gastric parietal cells.

Enterochromaffin-like cells or ECL cells are a type of neuroendocrine cell found in the gastric glands of the gastric mucosa beneath the epithelium, in particular in the vicinity of parietal cells, that aid in the production of gastric acid via the release of histamine.

(12) Chemoreceptors on sensory neurons detect biomolecules entering the stomach and then directly stimulate these cells, permits Vitamin B12 absorption, release somastostatin which turns off the production of  gastric secretion and the emission of gastrointestinal hormones, such as secretin and gastrin.

(13) Parietal cells release a molecule called intrinsic factor that has an important role in the absorption of vitamin B12 (cobalamin) in the intestine, and failure to produce or utilize intrinsic factor results in the condition pernicious anemia.

(14)  True.

A rise in H levels in the stomach stimulates gastric secretion.Gastrin, secreted from G cells, stimulates the release of histamine from enterochromaffin-like cells , which is the major stimulant of acid from gastric parietal cells.

answer: no, they are not.*

although rubber bands that contain excessive amounts of dye, toxins, or additives are sometimes toxic, most rubber bands do not cause any health issues. since they are typically made of latex, (a natural substance that is extracted from trees) they are not dangerous in any way if you chew them or accidentally ingest a piece of rubber band. however, chewing rubber bands does pose a choking hazard and is not a good habit to have.

*depending on the type of rubber band. the typical rubber bands that you see at stores are not toxic, but other types of rubber or latex that contains certain chemicals may be unhealthy and hazardous.