why blood for Ca2 estimation is obtained without the use of a tourniquet -Biology

why blood for Ca2 estimation is obtained without the use of a tourniquet -Biology
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Why can't a phlobotomist leave a tourniquet on a patients arm for more than one minute?

Description : Why can't a phlobotomist leave a tourniquet on a patients arm for more than one minute?

Last Answer : Feel Free to Answer

What is the oxidation number for Ca2 plus?

Description : What is the oxidation number for Ca2 plus?

Last Answer : The oxidation number of the ion Ca2+ is +2.

Insulin increases the permeability of glucose across the plasma membrane of muscle cells by (A) Acting on adenylate cycle (B) By loosening the integrity of the membrane (C) Through Ca2+ ions (D) By membrane cruting the hexose carries of intracellular organelles and making them fuse with the plasma membrane

Description : Insulin increases the permeability of glucose across the plasma membrane of muscle cells by (A) Acting on adenylate cycle (B) By loosening the integrity of the membrane (C) Through Ca2 ... membrane cruting the hexose carries of intracellular organelles and making them fuse with the plasma membrane

Last Answer : Answer : D

What is the principal cation of intracellular fluid? (A) K+ (B) Na+ (C) Ca2+ (D) Mg2+

Description : What is the principal cation of intracellular fluid? (A) K+ (B) Na+ (C) Ca2+ (D) Mg2+

Last Answer : Answer : A

The principal cation of extra cellular fluid: (A) K+ (B) Na+ (C) H+ (D) Ca2+

Description : The principal cation of extra cellular fluid: (A) K+ (B) Na+ (C) H+ (D) Ca2+

Last Answer : Answer : B

Adenylate cyclase is activated by (A) Insulin (B) Glucagon (C) Prostaglandin E1 (D) Ca2+ ions

Description : Adenylate cyclase is activated by (A) Insulin (B) Glucagon (C) Prostaglandin E1 (D) Ca2+ ions

Last Answer : Answer : B

Pyruvate kinase requires ______ ions for maximum activity. (A) Na+ (B) K+ (C) Ca2+ (D) Mg2+

Description : Pyruvate kinase requires ______ ions for maximum activity. (A) Na+ (B) K+ (C) Ca2+ (D) Mg2+

Last Answer : B

One of the following enzymes does not change glycogen synthase a to b. (A) Glycogen synthase kinases 3, 4, 5 (B) Ca2+ calmodulin phosphorylase kinase (C) Ca2+ calmodulin dependent protein kinase (D) Glycogen phosphorylase a

Description : One of the following enzymes does not change glycogen synthase a to b. (A) Glycogen synthase kinases 3, 4, 5 (B) Ca2+ calmodulin phosphorylase kinase (C) Ca2+ calmodulin dependent protein kinase (D) Glycogen phosphorylase a

Last Answer : D

Tyramine induces release of noradrenaline from adrenergic nerve endings (a) By depolarizing the axonal membrane (b) By mobilizing Ca2+ (c) By a nonexocytotic process (d) Only in the presence of MAO inhibitors

Description : Tyramine induces release of noradrenaline from adrenergic nerve endings (a) By depolarizing the axonal membrane (b) By mobilizing Ca2+ (c) By a nonexocytotic process (d) Only in the presence of MAO inhibitors

Last Answer : Ans: C

Methylxanthines exert the following action (s) at cellular/molecular level (a) Intracellular release of Ca2+ (b) Antagonism of adenosine (c) Inhibition of phosphodiesterase (d) All of the above

Description : Methylxanthines exert the following action (s) at cellular/molecular level (a) Intracellular release of Ca2+ (b) Antagonism of adenosine (c) Inhibition of phosphodiesterase (d) All of the above

Last Answer : Ans: D

Most bacteria do not require the ion a. Mg2+ b. Ca2+ c. Na+ d. Fe+2

Description : Most bacteria do not require the ion a. Mg2+ b. Ca2+ c. Na+ d. Fe+2

Last Answer : Ans: C

The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes and inhibit bacterial protein synthesis (c) They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antiimicrobial action is (a) They chelate Ca2+ ions and alter permeability of bacterial cell membrane (b) They bind to 30S ribosomes ... peptide chain in the bacteria (d) They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : Ans: B

Ions moving towards the cathode during electrolysis of an aqueous solution of Ca(OH)2 are (a) OH (b) H+ (c) Ca2+ (d) 02

Description : Ions moving towards the cathode during electrolysis of an aqueous solution of Ca(OH)2 are (a) OH (b) H+ (c) Ca2+ (d) 02

Last Answer : Ans:(a)

How many EDTA (lethylendiamine tetra acetic acid) molecules are required to make an octahedral complex with a Ca2+ ion.

Description : How many EDTA (lethylendiamine tetra acetic acid) molecules are required to make an octahedral complex with a Ca2+ ion.

Last Answer : EDTA is a hexadentate ligand therefore only one EDTA molecule is required to form octahedral complex. 

The exchangeable sodium ratio (ESR) can be calculated as ESR = Exchangeable (C2+ + Mg2+)/Exchangeable Na+ ESR = Exchangeable Na+ / ESR = Exchangeable Na+ / Exchangeable (Ca2+ + K+) ESR = Exchangeable Na+ / Exchangeable (Ca2+ + Mg2+)

Description : The exchangeable sodium ratio (ESR) can be calculated as ESR = Exchangeable (C2+ + Mg2+)/Exchangeable Na+ ESR = Exchangeable Na+ / ESR = Exchangeable Na+ / Exchangeable (Ca2+ + K+) ESR = Exchangeable Na+ / Exchangeable (Ca2+ + Mg2+)

Last Answer : ESR = Exchangeable Na+ / Exchangeable (Ca2+ + Mg2+)

Sodium adsorption ratio (SAR) can be calculated by using of formula (a) SAR = Na+ / (b) SAR = Na+ / (c) SAR = Ca2+ + Mg2+ / (d) SAR = Na+ /

Description : Sodium adsorption ratio (SAR) can be calculated by using of formula (a) SAR = Na+ / (b) SAR = Na+ / (c) SAR = Ca2+ + Mg2+ / (d) SAR = Na+ /

Last Answer : (b) SAR = Na+ /

Which of the following statements regarding cilia is not correct ? (a) Cilia contain an outer ring of nine doublet microtubules surrounding two singlet microtubules. (b) The organised beating of cilia is controlled by fluxes of Ca2+ across the membrane. (c) Cilia are hair-like cellular appendages. (d) Microtubules of cilia are composed of tubulin

Description : Which of the following statements regarding cilia is not correct ? (a) Cilia contain an outer ring of nine doublet microtubules surrounding two singlet microtubules. (b) The organised beating of ... (c) Cilia are hair-like cellular appendages. (d) Microtubules of cilia are composed of tubulin

Last Answer : (b) The organised beating of cilia is controlled by fluxes of Ca2+ across the membrane.

Ryve's formula for flood estimate in cumecs, is (A) Q = CA3/4 (B) Q = CA2/3 (C) Q = CA1/2 (D) Q = CA1/4

Description : Ryve's formula for flood estimate in cumecs, is (A) Q = CA3/4 (B) Q = CA2/3 (C) Q = CA1/2 (D) Q = CA1/4

Last Answer : Answer: Option B

The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes and inhibit bacterial protein synthesis C. They bind to 50S ribosomes and interfere with translocation of the growing peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Description : The most important mechanism by which tetracycline antibiotics exert antimicrobial action is: A. They chelate Ca2+ ions and alter permeability of bacterial cell membrane B. They bind to 30S ribosomes ... peptide chain in the bacteria D. They interfere with DNA mediated RNA synthesis in bacteria

Last Answer : B. They bind to 30S ribosomes and inhibit bacterial protein synthesis

The positive inotropic action of digoxin takes several hours to develop because: A. Binding of digoxin to Na+K+ATPase is slow B. After Na+K+ATPase inhibition by digoxin, Ca2+ loading of myocardial fibres occurs progressively with each contraction C. Digoxin inhibits Na+K+ATPase through modification of gene function which takes time D. Both ‘A’ and ‘B’ are correc

Description : The positive inotropic action of digoxin takes several hours to develop because: A. Binding of digoxin to Na+K+ATPase is slow B. After Na+K+ATPase inhibition by digoxin, Ca2+ loading of myocardial ... +ATPase through modification of gene function which takes time D. Both A' and B' are correc

Last Answer : D. Both ‘A’ and ‘B’ are correct

hat is/are the consequence(s) of myocardial Na+ K+ ATPase inhibition by digoxin: A. Increased intracellular Na+ ion concentration B. Increased cytosolic Ca2+ ion concentration C. Increased intracellular K+ ion concentration D. Both ‘A’ and ‘B’ are correct

Description : hat is/are the consequence(s) of myocardial Na+ K+ ATPase inhibition by digoxin: A. Increased intracellular Na+ ion concentration B. Increased cytosolic Ca2+ ion concentration C. Increased intracellular K+ ion concentration D. Both ‘A’ and ‘B’ are correct

Last Answer : D. Both ‘A’ and ‘B’ are correct

Sodium valproate has been shown to: A. Prolong neuronal Na+ channel inactivation B. Attenuate ‘T’ type Ca2+ current in neurones C. Inhibit degradation of GABA by GABA-transaminase D. All of the above

Description : Sodium valproate has been shown to: A. Prolong neuronal Na+ channel inactivation B. Attenuate ‘T’ type Ca2+ current in neurones C. Inhibit degradation of GABA by GABA-transaminase D. All of the above

Last Answer : D. All of the above

Phenytoin appears to derive its anticonvulsant action from: A. Selective inhibition of high frequency neuronal discharges B. Selective inhibition of epileptic focus C. Selective inhibition T-type Ca2+ current in brain cells D. Selective enhancement of inhibitory transmission in the brain

Description : Phenytoin appears to derive its anticonvulsant action from: A. Selective inhibition of high frequency neuronal discharges B. Selective inhibition of epileptic focus C. Selective inhibition T-type Ca2+ current in brain cells D. Selective enhancement of inhibitory transmission in the brain

Last Answer : A. Selective inhibition of high frequency neuronal discharges

The most probable mechanism of anticonvulsant action of phenytoin is: A. Facilitation of GABAergic inhibitory transmission B. Hyperpolarization of neurones C. Interaction with Ca2+ channels to promote Ca2+ influx D. Prolongation of voltage sensitive neuronal Na+ channel inactivation

Description : The most probable mechanism of anticonvulsant action of phenytoin is: A. Facilitation of GABAergic inhibitory transmission B. Hyperpolarization of neurones C. Interaction with Ca2+ channels to promote Ca2+ influx D. Prolongation of voltage sensitive neuronal Na+ channel inactivation

Last Answer : D. Prolongation of voltage sensitive neuronal Na+ channel inactivation

Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

Description : Dantrolene sodium reduces skeletal muscle tone by: A. Reducing acetylcholine release from motor nerve endings B. Suppressing spinal polysynaptic reflexes C. Inhibiting the generation of muscle action potential D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

Last Answer : D. Reducing Ca2+ release from sarcoplasmic reticulum in the muscle fibre

Hydrocortisone exerts the following actions: A. Increases both K+ and Ca2+ excretion B. Decreases both K+ and Ca2+ excretion C. Decreases K+ but increases Ca2+ excretion D. Increases K+ but decreases Ca2+ excretion

Description : Hydrocortisone exerts the following actions: A. Increases both K+ and Ca2+ excretion B. Decreases both K+ and Ca2+ excretion C. Decreases K+ but increases Ca2+ excretion D. Increases K+ but decreases Ca2+ excretion

Last Answer : A. Increases both K+ and Ca2+ excretion

Which of the following is strongly-acidic cation? a.Ba2+ b. Ca2+ c.Ti4+ d. Na+

Description : Which of the following is strongly-acidic cation? a.Ba2+ b. Ca2+ c.Ti4+ d. Na+

Last Answer : c.Ti4+

Tyramine induces release of noradrenaline from adrenergic nerve endings: A. By depolarizing the axonal membrane B. By mobilizing Ca2+ C. By a nonexocytotic process D. Only in the presence of MAO inhibitors

Description : Tyramine induces release of noradrenaline from adrenergic nerve endings: A. By depolarizing the axonal membrane B. By mobilizing Ca2+ C. By a nonexocytotic process D. Only in the presence of MAO inhibitors

Last Answer : C. By a nonexocytotic process

Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

Description : Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

Last Answer : C. Blocking Na+ channels

Methylxanthines exert the following action(s) at cellular/molecular level: A. Intracellular release of Ca2+ B. Antagonism of adenosine C. Inhibition of phosphodiesterase D. All of the above

Description : Methylxanthines exert the following action(s) at cellular/molecular level: A. Intracellular release of Ca2+ B. Antagonism of adenosine C. Inhibition of phosphodiesterase D. All of the above

Last Answer : D. All of the above

Tyramine induces release of noradrenaline from adrenergic nerve endings: A. By depolarizing the axonal membrane B. By mobilizing Ca2+ C. By a nonexocytotic process D. Only in the presence of MAO inhibitors

Description : Tyramine induces release of noradrenaline from adrenergic nerve endings: A. By depolarizing the axonal membrane B. By mobilizing Ca2+ C. By a nonexocytotic process D. Only in the presence of MAO inhibitors

Last Answer : C. By a nonexocytotic process

Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

Description : Tetrodotoxin blocks nerve impulse/junctional transmission by: A. Anticholinergic action B. Depleting acetylcholine C. Blocking Na+ channels D. Blocking Ca2+ channels

Last Answer : C. Blocking Na+ channels

Algorithmic cost estimation in different organisations may be different for the same application development, because a) Different organisations consider complexity factors differently b) Different organisations may use different programming languages c) Developers’ skills may vary d) Techniques for the measurement of productivity may vary e) All of the above may be true.

Description : Algorithmic cost estimation in different organisations may be different for the same application development, because a) Different organisations consider complexity factors differently b) Different organisations may use ... measurement of productivity may vary e) All of the above may be true.

Last Answer : e) All of the above may be true.

A middle aged female presented with following symptoms - Hirsutism, fragility of skin, with easy bruising, broad purplish striae and signs of proximal myopathy. The first step in confirming the diagnosis will be Options: 1) Advice 24 hours urinary free cortisol excretion 2) Exclude exogenous Glucocorticoid use 3) Advice plasma ACTH estimation 4) Advice dexamethasone overnight test

Description : A middle aged female presented with following symptoms - Hirsutism, fragility of skin, with easy bruising, broad purplish striae and signs of proximal myopathy. The first step in ... Exclude exogenous Glucocorticoid use 3) Advice plasma ACTH estimation 4) Advice dexamethasone overnight test

Last Answer : Correct Answer: 2) Exclude exogenous Glucocorticoid use

In your own estimation how much does how you perceive yourself differ from how others generally tend to perceive you?

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Last Answer : answer:I believe Fully well aware and cognizant of the LIE hidden in the middle of any beLIEf That I know myself better than anyone, I believe that I understand myself on a unique level as ... to justify their own feelings about you just because it makes them feel better about their own beLIEf's.

Is there a wesbite that gives an estimation of the "value" of old books?

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Last Answer : bookfinder.com

cost estimation

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What is the problem with poverty estimation through the income and consumption method? -Economics 9th

Description : What is the problem with poverty estimation through the income and consumption method? -Economics 9th

Last Answer : No, the present methodology of poverty estimation is not appropriate because it takes into account only the basic needs of food, clothing, fuel etc. But the quality of these basic necessities is the lowest quality available.

Value taken for Poverty line estimation in rural areas is _________________ -Economics 9th

Description : Value taken for Poverty line estimation in rural areas is _________________ -Economics 9th

Last Answer : The poverty line had been fixed at Rs 27 in rural areas and Rs 33 in urban areas, levels at which getting two meals may be difficult.

What is the estimation of age of woody plant by counting annual ring? -General Knowledge

Description : What is the estimation of age of woody plant by counting annual ring? -General Knowledge

Last Answer : The answer is 'Dendrochronology'

What is the estimation of age of woody plant by counting annual ring? -General Knowledge

Description : What is the estimation of age of woody plant by counting annual ring? -General Knowledge

Last Answer : answer:

What is 45 + 23 in estimation?

Description : What is 45 + 23 in estimation?

Last Answer : 68

Estimation of real estate by the executor

Description : Hello, someone can not advise how to arrange with the executor not to make an estimate of my apartment .... I have an execution which is gradually deducted from my salary, and now that there is a debt of ... again by about 10,000. Please someone will advise .... It's ex. Plzeň Office, ex Prošek.

Last Answer : The only way he doesn't make an estimate is to give him an estimate made by your forensic expert

Estimation of damage to the car, insurance company

Description : What parts does the insurance company calculate during the demolition? Does it take damage due to car wear? Or does it calculate the damage from the price of new parts?

Last Answer : If possible, the liquidators of the insurance company try to reduce the amount of benefits by "consuming" the car. But if it happens to you, don't give up - the insurance company has no right to do so (or - if you don't have it in the contract).

For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evolved ammonia acid absorbed in 60 mL of `M/10`

Description : For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evolved ammonia acid absorbed in 60 mL of `M/10`

Last Answer : For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evolved ammonia ... ` B. `10%` C. `3%` D. `5%`

Ammonium molybdate test is used for the estimation of :

Description : Ammonium molybdate test is used for the estimation of :

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The primary standard solution for estimation of `Na_(2)S_(2)O_(3)` is

Description : The primary standard solution for estimation of `Na_(2)S_(2)O_(3)` is

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What is the most accurate estimation of 38 plus 23?

Description : What is the most accurate estimation of 38 plus 23?

Last Answer : Estimate: 40+20 = 60 Actual: 38+23 = 61

Where can I get estimation worksheets ?

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Last Answer : It is very easy to find high quality rounding and estimation worksheets for kids on the website WWW.estimation.com , this website also features a "grade" (or "class") filter , which allows more precise results. Also WWW.mathworksheets4kids.com has a wide range of estimation sheets available.

The product of the Collateral Damage Estimation Methodology (CDM) is known as the?

Description : The product of the Collateral Damage Estimation Methodology (CDM) is known as the?

Last Answer : Collateral Damage Estimation (CDE)