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PCOL QUIZ > Histamines > Flashcards

Histamines Flashcards

1
Q

Also known as biogenic amines

A

Biologically active amines

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2
Q

Examples of Biologically active amines

A

Histamine
Seretonin

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3
Q

Derived from metabolism of 20-carbon unsaturated fatty acids

A

Lipid Derived (Eicosanoids)

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4
Q

Peptides that can constrict or dilate blood vessels

A

Vasoactive Polypeptides

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5
Q

Examples of Eicosanoids

A

Prostaglandins
Leukotrienes
Thromboxanes

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6
Q

Examples of vasoactive polypeptides

A

Kinins
Angiotensin
Endothelin

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7
Q

Process that turns histidine to histamine

A

Decarboxylation

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8
Q

Sites of Biosynthesis of Histamine (4)

A

Mast Cells
Basophils
Stomach
CNS

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9
Q

Also known as Local Hormones

A

Autocoids

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10
Q

Autocoids are not formed in the center of action (T/F)

A

FALSE (AT THE CENTER OF ACTION)

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11
Q

Enzyme that catalyzes Histidine to Histamine

A

L-histidine decarboxylase

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PCOL QUIZ (23 decks)

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