Veterinary Pharma - Clinical Pharmacology Autacoids Flashcards

Autacoids

1
Q

What are the important drug groups for veterinary clinical pharmacology? (9) NGACDBRDC

A

Non-steroidal anti-inflammatory drugs
Glucocorticoids
Autacoids
Cardiovascular drugs
Diuretics
Drugs affecting blood coagulation
Drugs affecting respiratory system
Drugs affecting digestive system
Chemotherapy

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2
Q

What substances are synthesized and function in a localized area in repond to injury? They generally are mediators of inflammation.

A

Autacoids

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3
Q

What are the three (3) classes of autacoids?

A

Biogenic amines
Phospholipid-derived autacoids
Polypeptides

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4
Q

What autocoids are under the class biogenic amines?

A

Histamine
Serotonin

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5
Q

What are autacoids under the class phospholipid-derivatives?

A

Eicosanoids
Platelet-activating factor (PAF)

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6
Q

What autacoids are under the class polypeptides?

A

Angiotensin
Kinin

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7
Q

What are the requirements for inflammation to occur?

A

Inflammatory stimuli
Vascular events

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8
Q

What are the important mediators for inflammation? (9)

A

Lysosomal contents
Histamine
Serotonin
Eicosanoids (PLL)
Platelet-activiting factor
Oxygen radical
Kinins
Complement
Fibrinopeptides

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9
Q

What inflammatory mediators are mainly sourced from the plasma?

A

Kinins
Complement
Fibrinopeptides

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10
Q

What inflammatory mediators are mainly sourced from the platelets?

A

Serotonin
Platelet-activating factor

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11
Q

What inflammatory mediator that is mainly sourced from the phagocytes?

A

Lysosomal contents

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12
Q

What inflammatory mediator that is mainly sourced from the granulocytes?

A

Histamine

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13
Q

What inflammatory mediator that is mainly sourced from damaged tissues and leukocytes?

A

Oxygen radicals

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14
Q

What inflammatory mediator that is mainly sourced from all cells?

A

Eicosanoids

(1)Prostaglandins
(2)Leukotrienes
(3)Lipooxygenases

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15
Q

Autacoids that has action on pain? (4)

A

Histamine
Serotonin
Lipooxygenases
Kinins

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16
Q

What are the histamine receptors?

A

H1
H2
H3

17
Q

Of the three histamine receptors, which one has no available veterinary drug that activates or blocks it?

A

H3

18
Q

Histamine receptor that mediates:
-brochiolar and intestinal smooth muscles
-vasodilation of small intestine
-vasodilation arteries, veins
-mediates pruritus

A

H1

19
Q

Histamine receptor that mediates:
-gastric acid secretion
-vasodilation

A

H2

20
Q

Histamine receptor that modulates neurotransmitter release

A

H3

21
Q

Activation of H1 receptor usually used to causes these: (3)

A

Allergy
Motion sickness
Sedation

22
Q

Activation of H2 receptor usually used to causes these: (4)

A

Peptic ulcers
Drug-induced erosive gastritis
Duodenal reflux
Esophageal reflux

23
Q

What types of antagonists affects/antagonizes autacoids?

A

Drug antagonists
Physiologic antogonists

24
Q

Drug antagonists of H1 receptors (6)

A

Chlorpheniramine
Clemastine
Meclizine
Diphenhydramine
Dimenhydrinate
Promethazine

25
Q

H1 receptor drug antagonists that are used for allergies? (2) CC

A

Chlorpheniramine
Clemastine

26
Q

H1 receptor drug antagonists that are used for motion sickness? (4) MDDP

A

Meclizine
Diphenhydramine
Dimenhydrinate
Promethazine

27
Q

Drug antagonists of H2 receptors (2)

A

Cimitidine
Ranitidine

28
Q

Physiologic antagonists to histamine

A

Epinephrine
Ephedrine

29
Q

What are the modulators of oxygen radicals?

A

Superoxide dismutase
Vitamin E
Ascorbic acid
Dimethylsulfoxide
Xanthine oxidase inhibitors