Assertion : Histamine is related with allergic and inflamatory reactions Reason : Histamine is a vasodilator

Assertion : Histamine is related with allergic and inflamatory reactions Reason : Histamine is a vasodilator
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Assertion : Histamine is related with allergic and inflamatory reactions Reason : Histamine is a ... If both the assertion and reason are false
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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

Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause allergic reactions. Reason . Allergens in the envi

Description : Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause allergic reactions. Reason . Allergens in the envi

Last Answer : Assertion . Mast cells in human body release excessive amount of inflammatory chemicals which cause ... If both the assertion and reason are false

Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `:-` ANF acts as a vasodilator and inhibits the release

Description : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `:-` ANF acts as a vasodilator and inhibits the release

Last Answer : Assertion `:-` The wall of atria release ANF in response to high B.P. and blood volume. Reason `: ... False. D. If both Assertion & Reason are false.

What cells release histamine during allergic responses?

Description : What cells release histamine during allergic responses?

Last Answer : Need answer

Is it possible that 'multisystem inflamatory responce' is caused by the vaccine?

Description : Is it possible that 'multisystem inflamatory responce' is caused by the vaccine?

Last Answer : That's questionable According to your own sources, and others, Multisystem Inflammatory Response has been more commonly observed among patients who did not receive vaccinations, and became ill with ... distributed : https://www.thelancet.com/journals/eclinm/article/PIIS2589-5370(20)30271-6/fulltext

Assertion : Dark reactions of photosynthesis are temperauture -controlled processes. Reason : Most of the reactions are enzymatic in nature.

Description : Assertion : Dark reactions of photosynthesis are temperauture -controlled processes. Reason : Most of the reactions are enzymatic in nature.

Last Answer : Assertion : Dark reactions of photosynthesis are temperauture -controlled processes. Reason : Most of the ... If both Assertion and Reason are false.

Assertion :- Entropy of system increases for a spontaneous reactions. Reason :- Enthalpy of reaction always decreases for spontaneous reaction.

Description : Assertion :- Entropy of system increases for a spontaneous reactions. Reason :- Enthalpy of reaction always decreases for spontaneous reaction.

Last Answer : Assertion :- Entropy of system increases for a spontaneous reactions. Reason :- Enthalpy of reaction ... D. If both Assertion & Reason are false.

Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature. Reason (R ) : Entropy of

Description : Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature. Reason (R ) : Entropy of

Last Answer : Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous ... . If both Assertion & Reason are false.

Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of OH group increases the electron density on

Description : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of OH group increases the electron density on

Last Answer : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of ... D. A is incorrect but R is correct

How to get rid of Cat dander, so that somebody allergic to cat's wouldn't get any allergic reactions?

Description : How to get rid of Cat dander, so that somebody allergic to cat's wouldn't get any allergic reactions?

Last Answer : The thing that is really bad with cats and cat allergies and cat smells is their hair. There's a product called the Furminator that you can get for cats or dogs (specific kind for each) that ... core. Googling for it brings up images of pets with a-pets-worth-of-recently-removed-excess-hair nearby.

Does anybody know any home remedies for allergic reactions?

Description : Does anybody know any home remedies for allergic reactions?

Last Answer : answer:lay off the crack? when you say you itch every night do you mean every night like just at night time or when your in bed? If its in bed you may be allergic to dust mites or something along those lines. Try washing your sheets/blankets or better yet get a hypo allergic sheets/pillow covers.

do gunnera have properties that cause allergic reactions?

Description : do gunnera have properties that cause allergic reactions?

Last Answer : Need Answer

Which is produced during allergic reactions? -Do You Know?

Description : Which is produced during allergic reactions? -Do You Know?

Last Answer : answer:

Are you not worried about the allergic reactions if having the vaccine against COVID-19?

Description : Are you not worried about the allergic reactions if having the vaccine against COVID-19?

Last Answer : Current covid vaccines have to go through a lot of testing. Tests on different blood types Tests on different people with varying metabolism And that's not all you may also have to consider the ... say brazil and their environment condition. So the vaccine needs year worth of testing in that case.

Which WBCs resist infections and are also associated with allergic reactions `:-`

Description : Which WBCs resist infections and are also associated with allergic reactions `:-`

Last Answer : Which WBCs resist infections and are also associated with allergic reactions `:-` A. Lymphocytes B. Neutrophils C. Eosinophils D. Monocytes

Allergic reactions?

Description : Allergic reactions?

Last Answer : DefinitionAllergic reactions are sensitivities to substances, called allergens, that come into contact with the skin, nose, eyes, respiratory tract, and gastrointestinal tract. They can be inhaled into the ... in people who have a family history of allergies.Substances that don't bother most peop

Allergic reactions are mediated by (A) IgA (B) IgG (C) IgD (D) IgE

Description : Allergic reactions are mediated by (A) IgA (B) IgG (C) IgD (D) IgE

Last Answer : Answer : D

Fibrinolytic therapy is based on activation of plasminogen, the inactive proteolytic enzyme of plasma that binds to fibrin during the formation of thrombosis. Activation of plasminogen to plasmin results in selective thrombolysis at the fibrin clot surface. Which of the following statement(s) is/are true concerning agents used in thrombolytic therapy? a. Streptokinase is a bacterial protein which is antigenic in humans, resulting in allergic reactions in up to l5% of cases b. Tissue plasminogen activator acts directly on plasmin without an intermediate drug–plasmin complex c. The half-life of urokinase, streptokinase, and TPA all exceed 30 minutes d. Streptokinase is significantly cheaper than urokinase or TPA

Description : Fibrinolytic therapy is based on activation of plasminogen, the inactive proteolytic enzyme of plasma that binds to fibrin during the formation of thrombosis. Activation of plasminogen to plasmin results ... TPA all exceed 30 minutes d. Streptokinase is significantly cheaper than urokinase or TPA

Last Answer : Answer: a, b, d Streptokinase is a bacterial protein produced by group C b-hemolytic streptococci. It is therefore antigenic in humans and can be associated with allergic reaction in ... one agent over the other. Streptokinase however, is markedly less expensive than either urokinase or TPA

The most common cause of fatal transfusion reactions is: A. An allergic reaction. B. An anaphylactoid reaction. C. A clerical error. D. An acute bacterial infection transmitted in blood.

Description : The most common cause of fatal transfusion reactions is: A. An allergic reaction. B. An anaphylactoid reaction. C. A clerical error. D. An acute bacterial infection transmitted in blood.

Last Answer : Answer: C DISCUSSION: The most common cause of fatalities related to transfusion reactions result from ABO-incompatible transfusion related to clerical error. Most such reactions occur if a ... with platelet concentrates maintained at or near room temperature. Fortunately, such reactions are rare

H1 antihistaminics are beneficial in (a) All types of allergic disorders (b) Certain type I allergic reactions only (c) Anaphylactic shock(d) Bronchial asthma

Description : H1 antihistaminics are beneficial in (a) All types of allergic disorders (b) Certain type I allergic reactions only (c) Anaphylactic shock(d) Bronchial asthma

Last Answer : Ans: B

An advantge of betamethasone acetate over betamethasone sodium phosphate is (a) Fewer allergic reactions (b) Prompter action (c) More sustained action (d) Greater solubility (e) There is no advantage

Description : An advantge of betamethasone acetate over betamethasone sodium phosphate is (a) Fewer allergic reactions (b) Prompter action (c) More sustained action (d) Greater solubility (e) There is no advantage

Last Answer : Ans: C

Where do most allergic reactions occur ?

Description : Where do most allergic reactions occur ?

Last Answer : Most of them occur on mucous membrane. Allergens enter the body by the process of inhalation or ingestion.

Which is produced during allergic reactions?

Description : Which is produced during allergic reactions?

Last Answer : Histamine

Tick infestations could lead to_______ D A. paralyses B. allergic reactions C. toxicities D. All of these

Description : Tick infestations could lead to_______ D A. paralyses B. allergic reactions C. toxicities D. All of these

Last Answer : All of these

Which is produced during allergic reactions?

Description : Which is produced during allergic reactions?

Last Answer : Histamine

Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Description : Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Last Answer : B. Haptenes

H1 antihistaminics are beneficial in: A. All types of allergic disorders B. Certain type I allergic reactions only C. Certain type IV allergic reactions only D. Bronchial asthma

Description : H1 antihistaminics are beneficial in: A. All types of allergic disorders B. Certain type I allergic reactions only C. Certain type IV allergic reactions only D. Bronchial asthma

Last Answer : B. Certain type I allergic reactions only

Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Description : Drugs producing allergic reactions generally act as: A. Complete antigens B. Haptenes C. Antibodies D. Mediators

Last Answer : B. Haptenes

Which of the following reaction is called Augmented adverse drug reactions? a) Genetically determined effects. b) Idiosyncracy. c) Rebound effect on discontinuation d) Allergic reactions & anaphylaxis.

Description : Which of the following reaction is called Augmented adverse drug reactions? a) Genetically determined effects. b) Idiosyncracy. c) Rebound effect on discontinuation d) Allergic reactions & anaphylaxis.

Last Answer : c) Rebound effect on discontinuation 

Is coffee a vasodilator or vasoconstrictor?

Description : Is coffee a vasodilator or vasoconstrictor?

Last Answer : What is the answer ?

Which of the amino acid produces a vasodilator on decarboxylation? (A) Glutamin acid (B) Histidine (C) Ornithine (D) Cysteine

Description : Which of the amino acid produces a vasodilator on decarboxylation? (A) Glutamin acid (B) Histidine (C) Ornithine (D) Cysteine

Last Answer : Answer : B

All the following statements about angiotensin are true except (A) Its precursor is an α2-globulin (B) Its active form is an octapeptide (C) It is a vasodilator (D) It increases the secretion of aldosterone

Description : All the following statements about angiotensin are true except (A) Its precursor is an α2-globulin (B) Its active form is an octapeptide (C) It is a vasodilator (D) It increases the secretion of aldosterone

Last Answer : Answer : C

Which of the following is a vasodilator drug used for hypertension that lacks a direct effect on autonomic receptors but may provoke anginal attacks? (a) Amyl nitrite (b) Hydralazine (c) Isosorbide mononitrate (d) Nifedipine (e) Nimodipine

Description : Which of the following is a vasodilator drug used for hypertension that lacks a direct effect on autonomic receptors but may provoke anginal attacks? (a) Amyl nitrite (b) Hydralazine (c) Isosorbide mononitrate (d) Nifedipine (e) Nimodipine

Last Answer : Ans: B

A drug lacking vasodilator properties that is useful in angina is (a) Isosorbide dinitrate (b) Metoprolol (c) NIfedipine (d) Nitroglycerin (e) Verapamil

Description : A drug lacking vasodilator properties that is useful in angina is (a) Isosorbide dinitrate (b) Metoprolol (c) NIfedipine (d) Nitroglycerin (e) Verapamil

Last Answer : Ans: B

Which of the following adrenergic inhibitors acts directly on the blood vessels, producing vasodilation? a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting directly on the blood vessel. It is not used in angina and coronary artery disease, however, because it induces tachycardia if not preceded by administration of propranolol and a diuretic.

Description : Which of the following adrenergic inhibitors acts directly on the blood vessels, producing vasodilation? a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting ... through centrally mediated alpha-adrenergic stimulation in the brain, producing blood pressure reduction.

Last Answer : a) Prazosin hydrochloride (Minipress) Minipress is a peripheral vasodilator acting directly on the blood vessel. It is not used in angina and coronary artery disease, however, because it induces tachycardia if not preceded by administration of propranolol and a diuretic.

Tolerance does not develop to the vasodilator action of sodium nitroprusside while it develops to glyceryl trinitrate because: A. Intact sod. nitroprusside molecule acts like nitric oxide B. Enzymes which generate nitric oxide from nitroprusside are different C. Sod. nitroprusside has a long duration of action D. Sod. nitroprusside has additional K+ channel opening action

Description : Tolerance does not develop to the vasodilator action of sodium nitroprusside while it develops to glyceryl trinitrate because: A. Intact sod. nitroprusside molecule acts like nitric oxide B. Enzymes which ... a long duration of action D. Sod. nitroprusside has additional K+ channel opening action

Last Answer : B. Enzymes which generate nitric oxide from nitroprusside are different

Select the vasodilator that is administered only by slow intravenous infusion and dilates both resistance as well as capacitance vessels: A. Minoxidil B. Diazoxide C. Sodium nitroprusside D. Glyceryl trinitrate

Description : Select the vasodilator that is administered only by slow intravenous infusion and dilates both resistance as well as capacitance vessels: A. Minoxidil B. Diazoxide C. Sodium nitroprusside D. Glyceryl trinitrate

Last Answer : C. Sodium nitroprusside

The following vasodilator(s) act(s) by opening K+ channels in the vascular smooth muscle: A. Dipyridamole B. Minoxidil C. Diazoxide D. Both ‘B’ and ‘C’

Description : The following vasodilator(s) act(s) by opening K+ channels in the vascular smooth muscle: A. Dipyridamole B. Minoxidil C. Diazoxide D. Both ‘B’ and ‘C’

Last Answer : D. Both ‘B’ and ‘C

Hydralazine is a directly acting vasodilator, but is not used alone as an antihypertensive because: A. By itself, it is a low efficacy antihypertensive B. Effective doses cause marked postural hypotension C. Tolerance to the antihypertensive action develops early due to counterregulatory mechanisms D. It primarily reduces systolic blood pressure with little effect on diastolic blood pressure

Description : Hydralazine is a directly acting vasodilator, but is not used alone as an antihypertensive because: A. By itself, it is a low efficacy antihypertensive B. Effective doses cause marked ... mechanisms D. It primarily reduces systolic blood pressure with little effect on diastolic blood pressure

Last Answer : C. Tolerance to the antihypertensive action develops early due to counterregulatory mechanisms

Select the drug which can markedly potentiate the vasodilator action of organic nitrates: A. Propranolol B. Fluoxetine C. Hydrochlorothiazide D. Sildenafil

Description : Select the drug which can markedly potentiate the vasodilator action of organic nitrates: A. Propranolol B. Fluoxetine C. Hydrochlorothiazide D. Sildenafil

Last Answer : D. Sildenafil

Which vasodilator is most suitable for a patient of CHF who is symptomatic even at rest and has a central venous pressure of 25 mm Hg and cardiac index 1.8 L/min/m2 : A. Glyceryl trinitrate B. Enalapril C. Hydralazine D. Nifedipine

Description : Which vasodilator is most suitable for a patient of CHF who is symptomatic even at rest and has a central venous pressure of 25 mm Hg and cardiac index 1.8 L/min/m2 : A. Glyceryl trinitrate B. Enalapril C. Hydralazine D. Nifedipine

Last Answer : B. Enalapril

The following type of vasodilator is not beneficial in CHF due to systolic dysfunction: A. Calcium channel blocker B. Angiotensin converting enzyme inhibitor C. Nitrate D. Hydralazine

Description : The following type of vasodilator is not beneficial in CHF due to systolic dysfunction: A. Calcium channel blocker B. Angiotensin converting enzyme inhibitor C. Nitrate D. Hydralazine

Last Answer : A. Calcium channel blocker

Select the β-adrenergic blocker that has additional α1 blocking, vasodilator and antioxidant properties: A. Carvedilol B. Celiprolol C. Acebutolol D. Metoprolol

Description : Select the β-adrenergic blocker that has additional α1 blocking, vasodilator and antioxidant properties: A. Carvedilol B. Celiprolol C. Acebutolol D. Metoprolol

Last Answer : A. Carvedilol

Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger’s disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss of sympathetic innervation C. Blood flow to the affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Description : Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger's disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss ... affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Last Answer : C. Blood flow to the affected limb is reduced by organic obstruction

Tolerance is generally not acquired to: A. Antisecretory action of atropine B. Sedative action of chlorpromazine C. Emetic action of levodopa D. Vasodilator action of nitrates

Description : Tolerance is generally not acquired to: A. Antisecretory action of atropine B. Sedative action of chlorpromazine C. Emetic action of levodopa D. Vasodilator action of nitrates

Last Answer : A. Antisecretory action of atropine

Select the β -adrenergic blocker that has additional α 1 blocking, vasodilator and antioxidant properties: A. Carvedilol B. Celiprolol C. Acebutolol D. Metoprolol

Description : Select the β -adrenergic blocker that has additional α 1 blocking, vasodilator and antioxidant properties: A. Carvedilol B. Celiprolol C. Acebutolol D. Metoprolol

Last Answer : A. Carvedilol

Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger’s disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss of sympathetic innervation C. Blood flow to the affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Description : Isoxsuprine increases limb blood flow in normal individuals, but is of limited efficacy in Buerger's disease, because in this disease: A. Vasodilator β adrenoceptors are deficient B. There is loss ... affected limb is reduced by organic obstruction D. The drug is not delivered to the affected site

Last Answer : C. Blood flow to the affected limb is reduced by organic obstruction

Tolerance is generally not acquired to: A. Antisecretory action of atropine B. Sedative action of chlorpromazine C. Emetic action of levodopa D. Vasodilator action of nitrates

Description : Tolerance is generally not acquired to: A. Antisecretory action of atropine B. Sedative action of chlorpromazine C. Emetic action of levodopa D. Vasodilator action of nitrates

Last Answer : A. Antisecretory action of atropine