can someone answer this question. injected, digested? i do not know if i got the

Question

can someone answer this question. injected, digested? i do not know if i got the right answer.

Many consumer products are buffered to protect the body from dangerous pH changes. Pharmaceutical compounds are usually either basic or acidic and, less frequently, neutral compounds. What systems in the body need the protection of a buffer if the substance is ingested? Injected? Ingested substances that are acidic or basic must be shielded from the stomach lining if the pH is very far from neutral, or if the exposure will be extended. Substances that are injected will make use of the blood buffer system. (Inhaled substances can cause irritation to the lining of the nose, mouth, throat, esophagus, and lungs.) 2)

Explanation / Answer

Ingesting means swallowing the pharmaceutical compound through mouth and passing that compound through esophagus, gastroenteric (stomach, intestines) system for digestion and thus facilitating the absorption of active pharmaceutical ingredients into blood streams. If the said pharmaceutical compound is acidic or basic in nature, it can disrupt the protective lining of esophagous, gastroenteric system. Therefore the entire digestive system need the protection of buffer if such pharmaceutical compounds are ingested.

On the other hand, if the said substance is injected into the blood stream, the circulatory system (allows blood to circulate for the distribution of nutrients in the body) needed protection of buffer from dangerous pH changes. Blood has its own carbonic acid - bicarbonate buffer system which maintains its pH around 7.4.

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