Which is the principal cation in the plasma of the blood? (a) Potassium (b) Magnesium (c) Calcium (d) Sodium

Which is the principal cation in the plasma of the
blood?
(a) Potassium (b) Magnesium
(c) Calcium (d) Sodium
by

1 Answer

Answer :

d) Sodium
by

Related questions

The principal cation in intracellular fluid is (A) Sodium (B) Potassium (C) Calcium (D) Magnesium

Description : The principal cation in intracellular fluid is (A) Sodium (B) Potassium (C) Calcium (D) Magnesium

Last Answer : Answer : B

The principal cation in extracellular fluid is (A) Sodium (B) Potassium (C) Calcium (D) Magnesium

Description : The principal cation in extracellular fluid is (A) Sodium (B) Potassium (C) Calcium (D) Magnesium

Last Answer : Answer : A

Which of the following statements about extracellular fluid are true? A. The total extracellular fluid volume represents 40% of the body weight. B. The plasma volume constitutes one fourth of the total extracellular fluid volume. C. Potassium is the principal cation in extracellular fluid. D. The protein content of the plasma produces a lower concentration of cations than in the interstitial fluid. E. The interstitial fluid equilibrates slowly with the other body compartments.

Description : Which of the following statements about extracellular fluid are true? A. The total extracellular fluid volume represents 40% of the body weight. B. The plasma volume constitutes one fourth ... the interstitial fluid. E. The interstitial fluid equilibrates slowly with the other body compartments.

Last Answer : Answer: B DISCUSSION: The total extracellular fluid volume represents 20% of body weight. The plasma volume is approximately 5% of body weight. Sodium is the principal cation. The ... fluid and cerebrospinal fluid, the majority of the interstitial fluid exists as a rapidly equilibrating component

The mineral present in the human body in larger amounts than any other cation is (A) Sodium (B) Calcium (C) Potassium (D) Iron

Description : The mineral present in the human body in larger amounts than any other cation is (A) Sodium (B) Calcium (C) Potassium (D) Iron

Last Answer : Answer : B

Which of the following electrolytes is a major anion in body fluid? a) Chloride Chloride is a major anion found in extracellular fluid. b) Potassium Potassium is a cation. c) Sodium Sodium is a cation. d) Calcium Calcium is a cation.

Description : Which of the following electrolytes is a major anion in body fluid? a) Chloride Chloride is a major anion found in extracellular fluid. b) Potassium Potassium is a cation. c) Sodium Sodium is a cation. d) Calcium Calcium is a cation.

Last Answer : a) Chloride Chloride is a major anion found in extracellular fluid.

Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

Description : Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

Last Answer : ANSWER: D

Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

Description : Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

Last Answer : ANSWER: D

Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

Description : Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

Last Answer : ANSWER: D

Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

Description : Which of the following is involved in blood clotting? A. Sodium B. Magnesium C. Potassium D. Calcium

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The following have a lower concentration in the cerebrospinal fluid (CSF) than plasma: a. glucose b. sodium c. potassium d. magnesium

Description : The following have a lower concentration in the cerebrospinal fluid (CSF) than plasma: a. glucose b. sodium c. potassium d. magnesium

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The following ions help in enzymatic transfer of phosphate from ATP to pyruvic acid: (A) Sodium (B) Calcium (C) Magnesium (D) Potassium

Description : The following ions help in enzymatic transfer of phosphate from ATP to pyruvic acid: (A) Sodium (B) Calcium (C) Magnesium (D) Potassium

Last Answer : Answer : D

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Description : The action of digitalis is enhanced by (a) Sodium (b) Calcium (c) Magnesium (d) Potassium (e) Chloride

Last Answer : Ans: B

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Description : The two metal ions that cause hardness to water are: (1) Calcium, Magnesium (2) Sodium, Calcium (3) Sodium, Potassium (4) Sodium, Magnesium

Last Answer : (1) Calcium, Magnesium Explanation: Calcium and magnesium ion cause hardness of water.

What is the most common salt in sea water? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

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Last Answer : (3) Sodium chloride Explanation: Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the formula NaCl, representing equal proportions of sodium and ... for the salinity of the ocean and of the extracellular fluid of many multi-cellular organisms.

The presence of which of the following salts in water causes corrosion in steam boilers? (1) Sodium Chloride (2) Magnesium Chloride (3) Calcium bicarbonate (4) Potassium bicarbonate

Description : The presence of which of the following salts in water causes corrosion in steam boilers? (1) Sodium Chloride (2) Magnesium Chloride (3) Calcium bicarbonate (4) Potassium bicarbonate

Last Answer : (2) Magnesium Chloride Explanation: Magnesium chloride is the name for the chemical compound with the formula MgCl2 and its various hydrates MgCl2(H2O)x. These salts are typical ionic halides, being highly soluble in water.

__________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. (A) Magnesium (B) Potassium (C) Calcium (D) Sodium

Description : __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. (A) Magnesium (B) Potassium (C) Calcium (D) Sodium

Last Answer : (A) Magnesium

Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction. (a) Calcium (b) Magnesium (c) Sodium (d) Potassium

Description : Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction. (a) Calcium (b) Magnesium (c) Sodium (d) Potassium

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Which of the following elements is responsible for maintaining turgor in cells? (a) Magnesium (b) Sodium (c) Potassium (d) Calcium

Description : Which of the following elements is responsible for maintaining turgor in cells? (a) Magnesium (b) Sodium (c) Potassium (d) Calcium

Last Answer : (c) Potassium

Alkalinity in water may be caused due to (A) Calcium and magnesium bicarbonates (B) Sodium carbonate (C) Potassium carbonate (D) All the above

Description : Alkalinity in water may be caused due to (A) Calcium and magnesium bicarbonates (B) Sodium carbonate (C) Potassium carbonate (D) All the above

Last Answer : (D) All the above

Hardness of water is caused by (A) Presence of soap lather (B) Presence of chlorides and sulphates of sodium and potassium (C) Presence of bicarbonates, sulphates or chlorides of calcium and magnesium (D) Turbidity

Description : Hardness of water is caused by  (A) Presence of soap lather  (B) Presence of chlorides and sulphates of sodium and potassium  (C) Presence of bicarbonates, sulphates or chlorides of calcium and magnesium  (D) Turbidity 

Last Answer : (C) Presence of bicarbonates, sulphates or chlorides of calcium and magnesium 

Which of the following elements is responsible for maintaining turgor in cells ? (1) Magnesium (2) Sodium (3) Potassium (4) Calcium

Description : Which of the following elements is responsible for maintaining turgor in cells ? (1) Magnesium (2) Sodium (3) Potassium (4) Calcium

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The two metal ions that cause hardness to water are: (1) Calcium, Magnesium (2) Sodium, Calcium (3) Sodium, Potassium (4) Sodium, Magnesium

Description : The two metal ions that cause hardness to water are: (1) Calcium, Magnesium (2) Sodium, Calcium (3) Sodium, Potassium (4) Sodium, Magnesium

Last Answer : Calcium, Magnesium

What is the most common salt in sea water ? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Description : What is the most common salt in sea water ? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

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A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance of these differences is/are true? a. The cell membrane is able to maintain a 10,000 fold gradient between the extracellular concentration of ionized calcium and the intracellular concentration b. The key to these differences is the fact that the plasma membrane is normally impermeable to sodium, potassium and calcium c. The selectivity of biologic membranes is highly consistent and seldom changes d. The selectivity of cell membranes relates only to ions and not organic compounds

Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds

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Aldosterone secretion is controlled by: a. plasma sodium concentration b. plasma calcium concentration c. plasma potassium concentration d. angiotensin II

Description : Aldosterone secretion is controlled by: a. plasma sodium concentration b. plasma calcium concentration c. plasma potassium concentration d. angiotensin II

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n addition to counteracting potassium loss, triamterene also opposes the following consequence of thiazide/furosemide therapy: A. Hyperuricaemia B. Rise in plasma LDL-cholesterol C. Magnesium loss D. Both ‘A’ and ‘C’ are correct

Description : n addition to counteracting potassium loss, triamterene also opposes the following consequence of thiazide/furosemide therapy: A. Hyperuricaemia B. Rise in plasma LDL-cholesterol C. Magnesium loss D. Both ‘A’ and ‘C’ are correct

Last Answer : C. Magnesium loss

A 19 year-old female is referred following a visit to the dentist where marked erosion of her teeth was noted. She was entirely asymptomatic and her only medication was the oral contraceptive pill. On examination her blood pressure was 110/70 mmHg and her body mass index was 21.5 kg/m2 (18 - 25). Investigations sodium 135 mmol/l potassium 2.1 mmol/l bicarbonate 42 mmol/l urea 2.6 mol/L corrected calcium 2.08 mmol/ alkaline phosphatase 201 iu/l (50-110) What is the most likely diagnosis? 1) Bulimia nervosa 2) Conn's syndrome 3) Laxative abuse 4) Pregnancy 5) Primary hypoparathyroidism

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Last Answer : Answers-5 This patient has tooth erosion associated with hypokalaemic metabolic alkalosis and hypocalcaemia. This suggests a diagnosis of hypoparathyroidism. Conn's is unlikely in this age group, is ... raised alkaline phosphatase would not be expected. Early pregnancy would not fit this picture.

Mineral constituent of chlorophyll is - (1) Iron (2) Magnesium (3) Calcium (4) Potassium

Description : Mineral constituent of chlorophyll is - (1) Iron (2) Magnesium (3) Calcium (4) Potassium

Last Answer : (2) Magnesium Explanation: Chlorophyll is the molecule that absorbs sunlight and uses its energy to synthesize carbohydrates from CO2 and water. This process is known as photosynthesis and is the basis for ... It is found in the chloroplasts of green plants, and is what makes green plants, green.

Which element is located at the centre of the porphyrin ring in chlorophyll? (a) Calcium (b) Magnesium (c) Potassium (d) Manganese

Description : Which element is located at the centre of the porphyrin ring in chlorophyll? (a) Calcium (b) Magnesium (c) Potassium (d) Manganese

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Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Description : Minerals known to be required in large amounts for plant growth include (a) potassium, phosphorus, selenium, boron (b) magnesium, sulphur, iron, zinc (c) phosphorus, potassium, sulphur, calcium (d) calcium, magnesium, manganese, copper.

Last Answer : (c) phosphorus, potassium, sulphur, calcium

Micanite is a form of (A) Built up mica. (B) Hydrated potassium aluminium silicate. (C) Magnesium mica. (D) Calcium mica.

Description : Micanite is a form of (A) Built up mica. (B) Hydrated potassium aluminium silicate. (C) Magnesium mica. (D) Calcium mica.

Last Answer : (A) Built up mica.

Limestone's are very rich in (A)calcium (B) Potassium (C)calcium carbonate (D)magnesium carbonate

Description : Limestone's are very rich in (A)calcium (B) Potassium (C)calcium carbonate (D)magnesium carbonate

Last Answer : calcium carbonate

Mineral constituent of chlorophyll is (1) Iron (2) Magnesium (3) Calcium (4) Potassium

Description : Mineral constituent of chlorophyll is (1) Iron (2) Magnesium (3) Calcium (4) Potassium

Last Answer : Magnesium

You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes. Which of these you will not use for the purpose? (a) Test tube containing calcium bicarbonate (b) Chilled test tube (c) Test tube containing heparin (d) Test tube containing sodium oxalate

Description : You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes ... bicarbonate (b) Chilled test tube (c) Test tube containing heparin (d) Test tube containing sodium oxalate

Last Answer : (a) Test tube containing calcium bicarbonate

Cardiac arrest may occur due to over doses of (A) Sodium (B) Potassium (C) Zinc (D) Magnesium

Description : Cardiac arrest may occur due to over doses of (A) Sodium (B) Potassium (C) Zinc (D) Magnesium

Last Answer : Answer : B

Sodium chloride, potassium chloride, magnesium oxide are examples of molecules with (a) Covalent bonding (b) Ionic bonding (c) Metallic bonding (d) Hydrogen bonding

Description : Sodium chloride, potassium chloride, magnesium oxide are examples of molecules with (a) Covalent bonding (b) Ionic bonding (c) Metallic bonding (d) Hydrogen bonding

Last Answer : Ans:(b)

What is contained in Chlorophyll? (1) Sodium (2) Potassium (3) Manganese (4) Magnesium

Description : What is contained in Chlorophyll? (1) Sodium (2) Potassium (3) Manganese (4) Magnesium

Last Answer : (4) Magnesium Explanation: The basic structure of a chlorophyll molecule is a porphyrin ring, coordinated to a central atom. This is very similar in structure to the heme group found in hemoglobin, ... was discovered in 1906, and was the first time that magnesium had been detected in living tissue.

Non-metallic character increases from (1) Magnesium to Barium (2) Potassium to Cesium (3) Oxygen to Selenium (4) Sodium to Chlorine

Description : Non-metallic character increases from (1) Magnesium to Barium (2) Potassium to Cesium (3) Oxygen to Selenium (4) Sodium to Chlorine

Last Answer : (4) Sodium to Chlorine Explanation: The elements which lose electrons to form cations are known as metals. Metallic character decreases across a period as we move from left to right.

Rock salt is a mineral containing – (1) potassium (2) magnesium (3) sodium (4) iron

Description : Rock salt is a mineral containing – (1) potassium (2) magnesium (3) sodium (4) iron

Last Answer : (3) sodium Explanation: Halite, commonly known as rock salt, is the mineral form of sodium chloride (NaCl). Halite forms isometric crystals. It commonly occurs with other evaporite deposit minerals such as several of the sulfates, halides, and borates.

Following mineral is an essential part of the haemoglobin D A. Magnesium B. Potassium C. Sodium D. Iron

Description : Following mineral is an essential part of the haemoglobin D A. Magnesium B. Potassium C. Sodium D. Iron

Last Answer : Iron

The metals with very low melting points which melts by the temperature of palm are A) Sodium and potassium B) Lead and magnesium C) Aluminium and zinc D) Gallium and caesium

Description : The metals with very low melting points which melts by the temperature of palm are A) Sodium and potassium B) Lead and magnesium C) Aluminium and zinc D) Gallium and caesium

Last Answer : D) Gallium and caesium

Which of the following is not produced on commercial scale from sea water? (A) Bromine (B) Magnesium compounds (C) Potassium compounds (D) Sodium sulphate

Description : Which of the following is not produced on commercial scale from sea water? (A) Bromine (B) Magnesium compounds (C) Potassium compounds (D) Sodium sulphate

Last Answer : (D) Sodium sulphate

Which of the following would be least soluble in water? w) Carbon Tetrachloride x) Sodium Oxide y) Magnesium Bromide z) Potassium Phosphate

Description : Which of the following would be least soluble in water? w) Carbon Tetrachloride x) Sodium Oxide y) Magnesium Bromide z) Potassium Phosphate

Last Answer : ANSWER: W -- CARBON TETRACHLORIDE 

What is contained in Chlorophyll ? (1) Sodium (2) Potassium (3) Manganese (4) Magnesium

Description : What is contained in Chlorophyll ? (1) Sodium (2) Potassium (3) Manganese (4) Magnesium

Last Answer : Magnesium

Rock salt is a mineral containing (1) potassium (2) magnesium (3) sodium (4) iron

Description : Rock salt is a mineral containing (1) potassium (2) magnesium (3) sodium (4) iron 

Last Answer : sodium

All the following statements regarding calcium are correct except (A) It diffuses as a divalent cation (B) It freely diffuses across the endoplasmic reticulum of muscle cells (C) It can exist in the blood as ionic form and also protein bound (D) It is found in high concentration in bones

Description : All the following statements regarding calcium are correct except (A) It diffuses as a divalent cation (B) It freely diffuses across the endoplasmic reticulum of muscle cells (C) It can exist in the blood as ionic form and also protein bound (D) It is found in high concentration in bones

Last Answer : Answer : B

Seminal plasma in human males is rich in (a) fructose and calcium (b) glucose and calcium (c) DNA and testosterone (d) ribose and potassium.

Description : Seminal plasma in human males is rich in (a) fructose and calcium (b) glucose and calcium (c) DNA and testosterone (d) ribose and potassium.

Last Answer : (a) fructose and calcium

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

Anion gap is the difference in the plasma concentrations of (A) (Chloride) – (Bicarbonate) (B) (Sodium) – (Chloride) (C) (Sodium + Potassium) – (Chloride + Bicarbonate) (D) (Sum of cations) – (Sum of anions)

Description : Anion gap is the difference in the plasma concentrations of (A) (Chloride) – (Bicarbonate) (B) (Sodium) – (Chloride) (C) (Sodium + Potassium) – (Chloride + Bicarbonate) (D) (Sum of cations) – (Sum of anions)

Last Answer : Answer : C