Biologically active metabolites of arachidonic acid include all of the following EXCEPT: C A. Leukotrienes (SRS) B. Thyromboxane A2 C. Complement D. None of these

Biologically active metabolites of arachidonic acid include all of the following EXCEPT:
C
A. Leukotrienes (SRS)
B. Thyromboxane A2
C. Complement
D. None of these
by

1 Answer

Answer :

Complement
by

Related questions

Biologically active metabolites of arachidonic acid include all of the following EXCEPT: C A. Leukotrienes B. Thyromboxane A2 C. Complement D. Prostaglandin

Description : Biologically active metabolites of arachidonic acid include all of the following EXCEPT: C A. Leukotrienes B. Thyromboxane A2 C. Complement D. Prostaglandin

Last Answer : Complement

Inflammation is a complex tissue reaction that includes the release of cytokines, leukotrienes, prostaglandins, and peptides. Prostaglandins involved in inflammatory processes are produced from arachidonic acid by (a) Cyclooxygenase 1 (b) Cyclooxygenase 2 (c) Glutathione – S – transferase (d) Lipoxygenase (e) Phospholipase A2

Description : Inflammation is a complex tissue reaction that includes the release of cytokines, leukotrienes, prostaglandins, and peptides. Prostaglandins involved in inflammatory processes are produced from arachidonic acid by (a) ... 2 (c) Glutathione - S - transferase (d) Lipoxygenase (e) Phospholipase A2

Last Answer : Ans: B

Leukotrienes: 1) Are formed from the cyclooxygenase pathway 2) Are synthesized by fibroblasts 3) Decrease vascular permeability 4) Leukotriene D4 has been identified as SRS-A which causes bronchial wall smooth muscle relaxation 5) Stimulate mucus secretion

Description : Leukotrienes: 1) Are formed from the cyclooxygenase pathway 2) Are synthesized by fibroblasts 3) Decrease vascular permeability 4) Leukotriene D4 has been identified as SRS-A which causes bronchial wall smooth muscle relaxation 5) Stimulate mucus secretion

Last Answer : Answers-5 Leukotrienes are synthesized by leucocytes.They are mediators of allergic reaction. They increase vascular permeability and attract neutrophils and eosinophils to inflammatory sites. ... stimulate mucus production, an important consideration in the pathophysiology of bronchial asthma.

A 60-year-old woman has glaucoma following cataract surgery. Which of the following can be used to reduce intraocular pressure? (a) Leukotriene LTD4 or its analogs (b) Prostaglandin E2 or its analogs (c) Prostaglandin F2a or its analogs (d) Slow-reacting substance of anaplylaxis (SRS-A) (e) Thromboxane A2 or its analogs

Description : A 60-year-old woman has glaucoma following cataract surgery. Which of the following can be used to reduce intraocular pressure? (a) Leukotriene LTD4 or its analogs (b) Prostaglandin E2 or its analogs ( ... analogs (d) Slow-reacting substance of anaplylaxis (SRS-A) (e) Thromboxane A2 or its analogs

Last Answer : Ans: C

All the following have 18 carbon atoms except (A) Linoleic acid (B) Linolenic acid (C) Arachidonic acid (D) Stearic acid

Description : All the following have 18 carbon atoms except (A) Linoleic acid (B) Linolenic acid (C) Arachidonic acid (D) Stearic acid

Last Answer : Answer : C

All the following are omega-6-fatty acids except (A) Linoleic acid (B) α-Linolenic acid (C) γ-Linolenic acid (D) Arachidonic acid

Description : All the following are omega-6-fatty acids except (A) Linoleic acid (B) α-Linolenic acid (C) γ-Linolenic acid (D) Arachidonic acid

Last Answer : Answer : B

Eicosanoids mediate inflammation in a variety of ways. Of the following statements, which are true with regard to this? a. Eicosanoids are stored in cytoplasmic granules for release after receptor mediated signaling b. Eicosanoids include prostaglandins, thromboxanes, leukotrienes and lipoxins c. Eicosanoids generally have a plasma half-life measured in hours d. Physiologic responses to eicosanoids include vasodilatation, vasoconstriction, increased vascular permeability and both chemotaxis and chemoattractant inhibition

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Biologically active form of glucose

Description : Biologically active form of glucose

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What is NOT TRUE in relation to the prescription of 5mg or 10mg of diazepam for sedation?check A. Patient commonly complain of post operative headache T B. An acceptable level of anxiolytic action is obtained when the drug is given one hour preoperatively T C. There is a profound amnesic action and no side affects not sure D. Active metabolites can give a level of sedation up to 8 hours post operatively T E. As Benzodiazepine the action can be reversed with FlumazepilNE T

Description : What is NOT TRUE in relation to the prescription of 5mg or 10mg of diazepam for sedation?check A. Patient commonly complain of post operative headache T B. An acceptable level of anxiolytic ... to 8 hours post operatively T E. As Benzodiazepine the action can be reversed with FlumazepilNE T

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Following mediators are involved in acute inflammation except (a) Histamine (b) Leukotrienes (c) Interferons (d) Bradykinin

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Characteristics of Vitamin D and its metabolites include which one of the following? (a) Act to decrease serum levels of calcium (b) Activation of their Vitamin D receptors increases cellular CAMP (c) Calcitriol is the major derivative responsible for increasing intestinal absorption of phosphate (d) Metabolites of Vitamin D increase renal excretion of calcium (e) Vitamin D deficiency results in Pager’s disease

Description : Characteristics of Vitamin D and its metabolites include which one of the following? (a) Act to decrease serum levels of calcium (b) Activation of their Vitamin D receptors increases cellular CAMP ... Vitamin D increase renal excretion of calcium (e) Vitamin D deficiency results in Pager's disease

Last Answer : Ans: C

Reactive oxygen metabolites are produced by all the following EXCEPT: B A. Macrophages B. Lymphocytes C. Monocytes D. None of these

Description : Reactive oxygen metabolites are produced by all the following EXCEPT: B A. Macrophages B. Lymphocytes C. Monocytes D. None of these

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The number of carbon atoms in arachidic acid and arachidonic acid are? -Biology

Description : The number of carbon atoms in arachidic acid and arachidonic acid are? -Biology

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Which of the following is a hydroxyl fatty acid? (A) Oleic Acid (B) Ricinoleic acid (C) Caproic acid (D) Arachidonic acid

Description : Which of the following is a hydroxyl fatty acid? (A) Oleic Acid (B) Ricinoleic acid (C) Caproic acid (D) Arachidonic acid

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Which of the following is not essential fatty acids? (A) Oleic acid (B) Linoleic acid (C) Arachidonic acid (D) Linolenic acid

Description : Which of the following is not essential fatty acids? (A) Oleic acid (B) Linoleic acid (C) Arachidonic acid (D) Linolenic acid

Last Answer : Answer : A

Which of the following is not essential fatty acid? (A) Oleic acid (B) Linoleic acid (C) Arachidonic acid (D) Linolenic acid

Description : Which of the following is not essential fatty acid? (A) Oleic acid (B) Linoleic acid (C) Arachidonic acid (D) Linolenic acid

Last Answer : Answer : A

Prostaglandins are synthesized in the body from (A) Myristic acid (B) Arachidonic acid (C) Stearic acid (D) Lignoceric acid

Description : Prostaglandins are synthesized in the body from (A) Myristic acid (B) Arachidonic acid (C) Stearic acid (D) Lignoceric acid

Last Answer : Answer : D

Which of the following are classified as essential fatty acids? (A) Arachidonic acid (B) Oleic acid (C) Acetic acid (D) Butyric acid

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The prostaglandins are synthesized from (A) Arachidonic acid (B) Oleic acid (C) Linoleic acid (D) Linolenic acid

Description : The prostaglandins are synthesized from (A) Arachidonic acid (B) Oleic acid (C) Linoleic acid (D) Linolenic acid

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Arachidonic acid contains the number of double bonds: (A) 2 (B) 3 (C) 4 (D) 5

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Which of the following can be synthesized in the human body if precurors are available? (A) Oleic acid (B) Palmitoleic acid (C) Arachidonic acid (D) All of these

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A 20-carbon fatty acid among the following is (A) Linoleic acid (B) α -Linolenic acid (C) β -Linolenic acid (D) Arachidonic acid

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Which of the following is omega-3 polyunsaturated fatty acid? (A) Linoleic acid (B) α-Linolenic acid (C) γ-Linolenic acid (D) Arachidonic acid

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The number of double bonds in arachidonic acid is (A) 1 (B) 2 (C) 4 (D) 6

Description : The number of double bonds in arachidonic acid is (A) 1 (B) 2 (C) 4 (D) 6

Last Answer : Answer : C

Essential fatty acid: (A) Linoleic acid (B) Linolenic acid (C) Arachidonic acid (D) All these

Description : Essential fatty acid: (A) Linoleic acid (B) Linolenic acid (C) Arachidonic acid (D) All these

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Essential fatty acid deficiency may complicate total parenteral nutrition (TPN). Which of the following statements are true? A. Essential fatty acid deficiency may be prevented by the administration of 1% to 2% of total calories as fat emulsion. B. Fat-free parenteral nutrition results in the appearance of plasma abnormalities, indicating essential fatty acid deficiency, within 7 to 10 days of initiation. C. An abnormal plasma eicosatrienoic-arachidonic acid ratio is always associated with essential fatty acid deficiency. D. Following initiation of fat-free parenteral nutrition, dry, scaly skin associated with a maculopapular rash indicates essential fatty acid deficiency.

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What is the structure of arachidonic acid?

Description : What is the structure of arachidonic acid?

Last Answer : 20 carbon with four double bonds.

Which is the saturated fatty acid of the following – a) Stearic acid b) Arachidonic acid c) Oleic acid d) Linoleic acid

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Inhibition of thromboxane synthesis by aspirin in platelets lasts for 5-7 days because: A. Aspirin persists in the body for 5-7 days B. Aspirin induced depletion of arachidonic acid lasts 5-7 days C. Regeneration of aspirin inhibited cyclooxygenase takes 5-7 days D. Platelets cannot generate fresh thromboxane synthetase and their turnover time is 5-7 days

Description : Inhibition of thromboxane synthesis by aspirin in platelets lasts for 5-7 days because: A. Aspirin persists in the body for 5-7 days B. Aspirin induced depletion of arachidonic acid lasts 5-7 ... 5-7 days D. Platelets cannot generate fresh thromboxane synthetase and their turnover time is 5-7 days

Last Answer : D. Platelets cannot generate fresh thromboxane synthetase and their turnover time is 5-7 days

Which of the metabolites is common to respiration- mediated breakdown of fats, carbohydrates and proteins? (a) Pyruvic acid (b) Acetyl CoA (c) Glucose - 6 - phosphate (d) Fructose 1, 6 - bisphosphate

Description : Which of the metabolites is common to respiration- mediated breakdown of fats, carbohydrates and proteins? (a) Pyruvic acid (b) Acetyl CoA (c) Glucose - 6 - phosphate (d) Fructose 1, 6 - bisphosphate

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a2–adrenergic receptors are associated with following except (a) Increase in phospholipase C activity (b) Increase in potassium channel conductance (c) Decrease in calcium channel conductance (d) Increase in adenylyl cyclase activity

Description : a2–adrenergic receptors are associated with following except (a) Increase in phospholipase C activity (b) Increase in potassium channel conductance (c) Decrease in calcium channel conductance (d) Increase in adenylyl cyclase activity

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MHC Class III proteins include (A) Immunoglobulins (B) Components of complement system (C) T cells receptors (D) CD4 and CD8 proteins

Description : MHC Class III proteins include (A) Immunoglobulins (B) Components of complement system (C) T cells receptors (D) CD4 and CD8 proteins

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Which of the following statements regarding the complement system are true? a. Complement activation yields products which are directly cytotoxic as well as products which act indirectly via activated leukocytes b. Complement products referred to as anaphylatoxins include C1, C3a, C4a, and C5a c. The principal role of C5a is in bacterial opsonization d. The alternative and classical pathways converge proximal to generating the membrane attack complex (C5b-9)

Description : Which of the following statements regarding the complement system are true? a. Complement activation yields products which are directly cytotoxic as well as products which act indirectly via activated ... and classical pathways converge proximal to generating the membrane attack complex (C5b-9)

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Leukotrienes cause (A) Increase in capillary permeability (B) Aggregation of platelets (C) Bronchodilatation (D) None of these

Description : Leukotrienes cause (A) Increase in capillary permeability (B) Aggregation of platelets (C) Bronchodilatation (D) None of these

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Lipo-oxygenase is required for the synthesis of (A) Prostaglandins (B) Leukotrienes (C) Thromboxanes (D) All of these

Description : Lipo-oxygenase is required for the synthesis of (A) Prostaglandins (B) Leukotrienes (C) Thromboxanes (D) All of these

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Slow reacting Substance of Anaphylaxis is a mixture of (A) Prostaglandins (B) Prostacyclins (C) Thromboxanes (D) Leukotrienes

Description : Slow reacting Substance of Anaphylaxis is a mixture of (A) Prostaglandins (B) Prostacyclins (C) Thromboxanes (D) Leukotrienes

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Anti-inflammatory corticosteroids inhibit the synthesis of (A) Leukotrienes (B) Prostaglandins (C) Thromboxanes (D) All of these

Description : Anti-inflammatory corticosteroids inhibit the synthesis of (A) Leukotrienes (B) Prostaglandins (C) Thromboxanes (D) All of these

Last Answer : Answer : D

Which of the following terms best describes the antagonism of leukotriene’s bronchoconstrictor effect (mediated at leukotriene receptors) by terbutaline (acting a adrenoceptors) in a patient with asthma? (a) Pharmacologic antagonist (b) Partial agonist (c) Physiologic antagonist (d) Chemical antagonist (e) Noncompetitive antagonist

Description : Which of the following terms best describes the antagonism of leukotriene's bronchoconstrictor effect (mediated at leukotriene receptors) by terbutaline (acting a adrenoceptors) in a patient with ... ) Partial agonist (c) Physiologic antagonist (d) Chemical antagonist (e) Noncompetitive antagonist

Last Answer : Ans: C

Which of the following compounds is most likely to lower circulating levels of leukotrienes? (a) Zileuton (b) Montelukast (c) Carprofen (d) Aspirin (e) Allopurinol

Description : Which of the following compounds is most likely to lower circulating levels of leukotrienes? (a) Zileuton (b) Montelukast (c) Carprofen (d) Aspirin (e) Allopurinol

Last Answer : Ans: A

Cyclooxygenase-1 and –2 are responsible for (a) The synthesis of prostaglandins from arachidonate (b) The synthesis of leukotrienes from arachidonate (c) The conversion of ATP to cAMP (d) The metabolic degradation of cAMP (e) The conversion of GTP to cGMP

Description : Cyclooxygenase-1 and –2 are responsible for (a) The synthesis of prostaglandins from arachidonate (b) The synthesis of leukotrienes from arachidonate (c) The conversion of ATP to cAMP (d) The metabolic degradation of cAMP (e) The conversion of GTP to cGMP

Last Answer : Ans: A

Explain in brief about leukotrienes and prostaglandins Leukotrienes and prostaglandins are formed only when the mast cell undergo degranulation and enzymatic break down of phospholipids in the plasma membrane ?

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What is the precursor of leukotrienes?

Description : What is the precursor of leukotrienes?

Last Answer : They are produced from arachidonic acid.

The most important preformed mediator of allergic reactions is/are a. Prostaglandin b. Interleukin c. Histamine d. Leukotrienes

Description : The most important preformed mediator of allergic reactions is/are a. Prostaglandin b. Interleukin c. Histamine d. Leukotrienes

Last Answer : c. Histamine

Choose the correct statement about cysteinyl leukotrienes (LT-C4/D4): A. They produce long lasting bronchoconstriction B. They produce sustained rise in blood pressure C. They are responsible for attracting and sequestrating neutrophils at the site of inflammation D. Their production is inhibited by rofecoxib

Description : Choose the correct statement about cysteinyl leukotrienes (LT-C4/D4): A. They produce long lasting bronchoconstriction B. They produce sustained rise in blood pressure C. They are responsible ... and sequestrating neutrophils at the site of inflammation D. Their production is inhibited by rofecoxib

Last Answer : A. They produce long lasting bronchoconstriction

There are no preformed stores of the following autacoid/autacoids: A. Prostaglandins B. Leukotrienes C. Angiotensin II D. All of the above

Description : There are no preformed stores of the following autacoid/autacoids: A. Prostaglandins B. Leukotrienes C. Angiotensin II D. All of the above

Last Answer : D. All of the above

Why would there be SRS Premium as a search result on one desktop and not the other? See detail?

Description : Why would there be SRS Premium as a search result on one desktop and not the other? See detail?

Last Answer : SRS Premium is a “driver ” for audio. One has it and the other doesn’t.

Just discovered "/srs" that's a apparently a "tone indicator" just learned about it 10 minutes ago. Do people actually use this? Or is it just the dream stans and people that believe in zodiac signs? Is there anymore of the "tone indicator"s out there? If so what are they?

Description : Just discovered "/srs" that's a apparently a "tone indicator" just learned about it 10 minutes ago. Do people actually use this? Or is it just the dream stans and people that believe in zodiac signs? Is there anymore of the "tone indicator"s out there? If so what are they?

Last Answer : I've never heard of srs and or.tone indicators could you tell me Abit more about it?

What is the full form of 'SRS' ? -How To ?

Description : What is the full form of 'SRS' ? -How To ?

Last Answer : The full form of 'SRS' is Software Requirements Specification

Charging Sony SRS-XB3 with power bank. What converter do I need for this?

Description : I have a Sony SRS-XB3 bluetooth speaker. I want to spend this with a Canyon powerbank. In principle, it is possible to just add a converter. Question, what is it like? I also welcome links.

Last Answer : I don't think it's possible. The Canyon power bank has an output of 5 volts and the Sony SRS-XB3 requires a 15 volt charge. Theoretically, of course, you could convert this with some small inverter, but with so much energy loss that it's not worth it.  

What are the reasons for using an SRS document?

Description : What are the reasons for using an SRS document?

Last Answer : A software requirements specification is the basis for your entire project. It lays the framework that every team involved in development will follow. It's used to provide critical information to multiple teams, development, quality assurance, operations, and maintenance.