19) What pharmacologically active amine is responsible for the signs and symptom

Question

19) What pharmacologically active amine is responsible for the signs and symptoms encountered in an allergic reaction? epinephrine C diphenhydramine dopamine Answer: A 20 A deficiency of which amine is responsible for the signs and symptoms of Parkinson's disease? A) histamine B) dopamine epinephrine D) diphenhydramine E) methedrine Answer: 21) What relation does the boiling point of an amine have to a similar hydrocarbon? B) lower C) very similar Answer: A 22) Amines can form bonds with other molecules. Al oxygen B) hydrogen nonpolar D) metallic triple Answer: 23) What kind of amine can NOT form hydrogen bonds? A) primary secondary ertiary D) aromatic E) substituted

Explanation / Answer

19. Histamine is a chemical stored within our body. It serves as an important part of our body's immune response. When we come into contact with an allergen, such as pollen or animal dander, histamine is released by the body to the site of contact. The intention of this response is to help the body deal with the irritation caused by the allergen. Strangely enough, the histamine released actually causes allergic symptoms.

20. Parkinson's disease occurs when nerve cells, or neurons, in an area of the brain that controls movement become impaired and/or die. Normally, these neurons produce an important brain chemical known as dopamine, but when the neurons die or become impaired, they produce less dopamine. This shortage of dopamine causes the movement problems of people with Parkinson's disease.

21. The boiling point of amines are higher than those of corresponding alkanes. this is due to the polar nature and intermolecular H-bonding in amines.

22. Amines can form Hydrogen bonding with other molecules due to the presence of H-atoms attached with more electronegative N-atom.

23. tertiary amines con not form hydrogen bond. because in tertiary amine there is no H-atoms attached to N-atom.

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