The normal concentration of bicarbonate in blood is (A) 21 meq/L (B) 24 meq/L (C) 26 meq/L (D) 30 meq/L

The normal concentration of bicarbonate in blood is (A) 21 meq/L (B) 24 meq/L (C) 26 meq/L (D) 30 meq/L
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The normal serum CO2 content is (A) 18–20 meq/L (B) 24–29 meq/L (C) 30–34 meq/L (D) 35–38 meq/L

Description : The normal serum CO2 content is (A) 18–20 meq/L (B) 24–29 meq/L (C) 30–34 meq/L (D) 35–38 meq/L

Last Answer : Answer : B

Normal range of serum chloride is (A) 24–27 mEq/L (B) 70–80 mEq/L (C) 100–106 mEq/L (D) 120–140 mEq/L

Description : Normal range of serum chloride is (A) 24–27 mEq/L (B) 70–80 mEq/L (C) 100–106 mEq/L (D) 120–140 mEq/L

Last Answer : Answer : C

Normal range of serum sodium is (A) 30–70 mEq/L (B) 70–110 mEq/L (C) 117–135 mEq/L (D) 136–145 mEq/L

Description : Normal range of serum sodium is (A) 30–70 mEq/L (B) 70–110 mEq/L (C) 117–135 mEq/L (D) 136–145 mEq/L

Last Answer : Answer : D

The normal concentration of potassium in human plasma in meq/I is about (A) 1 (B) 2 (C) 3 (D) 5

Description : The normal concentration of potassium in human plasma in meq/I is about (A) 1 (B) 2 (C) 3 (D) 5

Last Answer : Answer : D

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

Description : 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 ... ) Bulimia nervosa 2) Conn's syndrome 3) Laxative abuse 4) Pregnancy 5) Primary hypoparathyroidism

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.

Normal anion gap in plasma is about (A) 5 meq/L (B) 15 meq/L (C) 25 meq/L (D) 40 meq/L

Description : Normal anion gap in plasma is about (A) 5 meq/L (B) 15 meq/L (C) 25 meq/L (D) 40 meq/L

Last Answer : Answer : B

What is the normal level of K+ in the serum ? (A) 137–148 mEq/L (B) 120–160 mEq/L (C) 3.9–5.0 mEq/L (D) 0.3–0.59 mEq/L

Description : What is the normal level of K+ in the serum ? (A) 137–148 mEq/L (B) 120–160 mEq/L (C) 3.9–5.0 mEq/L (D) 0.3–0.59 mEq/L

Last Answer : Answer : C

Normal range of serum potassium is (A) 2.1-3.4 mEq/L (B) 3.5-5.3 mEq/L (C) 5.4–7.4 mEq/L (D) 7.5–9.5 mEq/L

Description : Normal range of serum potassium is (A) 2.1-3.4 mEq/L (B) 3.5-5.3 mEq/L (C) 5.4–7.4 mEq/L (D) 7.5–9.5 mEq/L

Last Answer : Answer : B

Which of the normal range of ionized calcium in plasma is (A) 2-4 mg/dl (B) 2-4 mEq/L (C) 4-5 mg/dl (D) 4-5 mEq/L

Description : Which of the normal range of ionized calcium in plasma is (A) 2-4 mg/dl (B) 2-4 mEq/L (C) 4-5 mg/dl (D) 4-5 mEq/L

Last Answer : Answer : C

Which of the following statements are true of a patient with hyperglycemia and hyponatremia? A. The sodium concentration must be corrected by 5 mEq. per 100 mg. per 100 ml. elevation in blood glucose. B. With normal renal function, this patient is likely to be volume overloaded. C. Proper fluid therapy would be unlikely to include potassium administration. D. Insulin administration will increase the potassium content of cells. E. Early in treatment adequate urine output is a reliable measure of adequate volume resuscitation.

Description : Which of the following statements are true of a patient with hyperglycemia and hyponatremia? A. The sodium concentration must be corrected by 5 mEq. per 100 mg. per 100 ml. elevation in blood ... . E. Early in treatment adequate urine output is a reliable measure of adequate volume resuscitation.

Last Answer : Answer: D DISCUSSION: Each 100-mg. per 100 ml. elevation in blood glucose causes a fall in serum sodium concentration of approximately 2 mEq. per liter. Excess serum glucose ... correction of the patient's associated acidosis produce movement of potassium ions into the intracellular compartment

For therapeutic effect in manic depressive illness, steady-state serum lithium concentration should be maintained between: A. 0.2–0.4 mEq/L B. 0.5–0.8 mEq/L C. 1.0–1.3 mEq/L D. 1.5–2.5 mEq/L

Description : For therapeutic effect in manic depressive illness, steady-state serum lithium concentration should be maintained between: A. 0.2–0.4 mEq/L B. 0.5–0.8 mEq/L C. 1.0–1.3 mEq/L D. 1.5–2.5 mEq/L

Last Answer : B. 0.5–0.8 mEq/L

The normal serum value for potassium is a) 3.5-5.5 mEq/L. Serum potassium must be within normal limits to prevent cardiac dysrhythmias. b) 135-145 mEq/L. Normal serum sodium is 135-145 mEq/L. c) 96-106 mEq/L. Normal serum chloride is 96-106 mEq/L. d) 8.5-10.5 mg/dL. Normal total serum calcium is 8.5-10.5mg/dL.

Description : The normal serum value for potassium is a) 3.5-5.5 mEq/L. Serum potassium must be within normal limits to prevent cardiac dysrhythmias. b) 135-145 mEq/L. Normal serum sodium is 135-145 mEq/L. c) 96-106 mEq/L. ... is 96-106 mEq/L. d) 8.5-10.5 mg/dL. Normal total serum calcium is 8.5-10.5mg/dL.

Last Answer : a) 3.5-5.5 mEq/L. Serum potassium must be within normal limits to prevent cardiac dysrhythmias.

The normal concentration of vitamin A in blood in I.V/dl: (A) 20–55 (B) 24–60 (C) 30–65 (D) 35–70

Description : The normal concentration of vitamin A in blood in I.V/dl: (A) 20–55 (B) 24–60 (C) 30–65 (D) 35–70

Last Answer : Answer : B

Nucleotides and nucleic acids concentration are often also expressed in terms of (A) ng (B) mg (C) meq (D) OD at 260 nm

Description : Nucleotides and nucleic acids concentration are often also expressed in terms of (A) ng (B) mg (C) meq (D) OD at 260 nm

Last Answer : Answer : D

All the following statements about cystic fibrosis are correct except (A) It is inherited as an autosomal recessive disease (B) It affects a number of exocrine glands (C) It causes increased sweating (D) Sweat chlorides are above 60 mEq/L in this disease

Description : All the following statements about cystic fibrosis are correct except (A) It is inherited as an autosomal recessive disease (B) It affects a number of exocrine glands (C) It causes increased sweating (D) Sweat chlorides are above 60 mEq/L in this disease

Last Answer : Answer : C

A 55 year-old female complaining of vague tiredness is found to have a serum corrected calcium concentration of 2.9 mmol/l. Examination was unremarkable. Which of the following results confirms the suspected diagnosis of primary hyperparathyroidism? 1) High normal 1,25-dihydroxyvitamin D concentration 2) High normal 24 hour urinary calcium concentration 3) High normal plasma parathyroid hormone concentration 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration

Description : A 55 year-old female complaining of vague tiredness is found to have a serum corrected calcium concentration of 2.9 mmol/l. Examination was unremarkable. Which of the following results ... 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration

Last Answer : Answers-3 Bit too easy really. A high or even normal PTH concentration in the presence of hypercalcaemia would support the diagnosis of hyperparathyroidism. A high urinary Calcium concentration may ... but neither confirm the diagnosis. Elevated 1,25 VitD suggests a diagnosis of hypervitaminosis D.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Description : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Last Answer : 22

The mean monthly temperature and rainfall of a station are given below: Month Temperature ºC Rainfall mm January 24 2 February 25 1 March 27 0 April 29 3 May 30 16 June 29 520 July 28 709 August 27 419 September 27 297 October 28 88 November 28 21 December 26 2 Yearly 27 2078 The above said data relate to which of following cities? [CDS 2004] (a) Ahmedabad (b) Bangalore (c) Mumbai (d) Vadodara

Description : The mean monthly temperature and rainfall of a station are given below: Month Temperature ºC Rainfall mm January 24 2 February 25 1 March 27 0 April 29 3 May 30 16 June 29 520 July 28 709 August 27 419 ... to which of following cities? [CDS 2004] (a) Ahmedabad (b) Bangalore (c) Mumbai (d) Vadodara

Last Answer : Ans: (c)

In a Examination a candidate has to score minimum of 24 marks inorder to clear the exam. The maximum that he can score is 40 marks. Identify the Valid Equivalance values if the student clears the exam. A. 22,23,26 B. 21,39,40 C. 29,30,31 D. 0,15,22

Description : In a Examination a candidate has to score minimum of 24 marks inorder to clear the exam. The maximum that he can score is 40 marks. Identify the Valid Equivalance values if the student clears the exam. A. 22,23,26 B. 21,39,40 C. 29,30,31 D. 0,15,22

Last Answer : C. 29,30,31

In normal individuals glycosuria occurs when the venous blood glucose concentration exceeds (A) 5–6 mmol/L (B) 7–8 mmol/L (C) 8.5–9 mmol/L (D) 9.5–10 mmol/L

Description : In normal individuals glycosuria occurs when the venous blood glucose concentration exceeds (A) 5–6 mmol/L (B) 7–8 mmol/L (C) 8.5–9 mmol/L (D) 9.5–10 mmol/L

Last Answer : Answer : D

A 70-year-old patient presented with weakness, tiredness and muscle cramps. The ECG showed Q-T prolongation, flattening of T wave and occasional A-V block. His serum K+ was low (2.8 mEq/L). He admitted taking a laxative every day for the past several months. Which laxative could be responsible for the above condition: A. Bisacodyl B. Liquid paraffin C. Methylcellulose D. Bran

Description : A 70-year-old patient presented with weakness, tiredness and muscle cramps. The ECG showed Q-T prolongation, flattening of T wave and occasional A-V block. His serum K+ was low (2.8 mEq ... could be responsible for the above condition: A. Bisacodyl B. Liquid paraffin C. Methylcellulose D. Bran

Last Answer : A. Bisacodyl

The normal serum concentration of 1,25- dihydroxycholecalciferol in pg/ml is (A) 26–65 (B) 1–5 (C) 5–20 (D) 80–100

Description : The normal serum concentration of 1,25- dihydroxycholecalciferol in pg/ml is (A) 26–65 (B) 1–5 (C) 5–20 (D) 80–100

Last Answer : Answer : A

Which of the following features are present in blood chemistry in uncompensated metabolic alkalosis except? (A) Increased pH (B) Increased bicarbonate (C) Normal chloride (D) Normal pCO2

Description : Which of the following features are present in blood chemistry in uncompensated metabolic alkalosis except? (A) Increased pH (B) Increased bicarbonate (C) Normal chloride (D) Normal pCO2

Last Answer : Answer : D

All the following features are found in blood chemistry in uncompensated lactic acidosis except (A) pH is decreased (B) Bicarbonate is decreased (C) pCO2 is normal (D) Anion gap is normal

Description : All the following features are found in blood chemistry in uncompensated lactic acidosis except (A) pH is decreased (B) Bicarbonate is decreased (C) pCO2 is normal (D) Anion gap is normal

Last Answer : Answer : D

Protein content in cashew kernel? a 21 % b 18 % c 24 % d 26 %

Description : Protein content in cashew kernel? a 21 % b 18 % c 24 % d 26 %

Last Answer : a 21 %

Find the magnetic field intensity of a material with flux density of 24 units in air(in 10 6 order) a) 19.09 b) 21 c) 25 d) 26.78

Description : Find the magnetic field intensity of a material with flux density of 24 units in air(in 10 6 order) a) 19.09 b) 21 c) 25 d) 26.78

Last Answer : a) 19.09

At the pH of blood 7.4, the ratio between the carbonic acid and bicarbonate fractions is (A) 1 : 10 (B) 1 : 20 (C) 1 : 30 (D) 1 : 40

Description : At the pH of blood 7.4, the ratio between the carbonic acid and bicarbonate fractions is (A) 1 : 10 (B) 1 : 20 (C) 1 : 30 (D) 1 : 40

Last Answer : Answer : B

Concentration of the following is higher in intracellular fluid than in extracellular fluid: (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Description : Concentration of the following is higher in intracellular fluid than in extracellular fluid: (A) Sodium (B) Potassium (C) Chloride (D) Bicarbonate

Last Answer : Answer : B

The permissible and normal limit of EC, RSC, SAR (meq 1 –1 ) and Boron content (ppm)

Description : The permissible and normal limit of EC, RSC, SAR (meq 1 –1 ) and Boron content (ppm)

Last Answer : Ans.2–4, < 2.5, < 10 and 10,000 ha

A 16 year old male with a day history of malaise, weakness and vomiting. He was diagnosed with Insulin dependent diabetes mellitus 3 years prviously. Which ONE of the following supports a diagnosis of diabetic ketoacidosis: 1) Abdominal pain at onset 2) A serum bicarbonate of 10 mmol/l 3) A serum glucose 14 mmol/l 4) Decreased appetite in the past few days 5) Shallow respirations

Description : A 16 year old male with a day history of malaise, weakness and vomiting. He was diagnosed with Insulin dependent diabetes mellitus 3 years prviously. Which ONE of the following supports a diagnosis of ... serum glucose 14 mmol/l 4) Decreased appetite in the past few days 5) Shallow respirations

Last Answer : Answers-2 a-An unusual but recognised feature particularly in children. However does not support a diagnosis of DKA. b-Suggests metabolic acidosis. c-'Normoglycaemic DKA' can occur and a glucose ... anorexia. e-Respiratory compensation leads to rapid deep (Kussmaul's) breathing. (Dr Mike Mulcahy)

What is the median in the set of data 14 19 26 28 18 21 30 27?

Description : What is the median in the set of data 14 19 26 28 18 21 30 27?

Last Answer : What is the answer ?

Hey I need help What is the median of 14, 19, 26, 28, 18, 21, 30, 27?

Description : Hey I need help What is the median of 14, 19, 26, 28, 18, 21, 30, 27?

Last Answer : I dont know

The normal serum concentration of 24,25- dihydroxycholecalciferol in ng/ml is (A) 8–20 (B) 25–50 (C) 1–5 (D) 60–100

Description : The normal serum concentration of 24,25- dihydroxycholecalciferol in ng/ml is (A) 8–20 (B) 25–50 (C) 1–5 (D) 60–100

Last Answer : Answer : C

The normal range of filtration factor in an adult is (A) 0.10–0.15 (B) 0.16–0.21 (C) 0.25–0.30 (D) 0.35–0.40

Description : The normal range of filtration factor in an adult is (A) 0.10–0.15 (B) 0.16–0.21 (C) 0.25–0.30 (D) 0.35–0.40

Last Answer : Answer : B

A 45-year-old solicitor had an onset of severe, crushing, substernal chest pain while attending a football match. He collapsed on his way to the car. Bystander Cardiorespiratory Resuscitation was begun immediately and continued until arrival in Casualty where an endotracheal tube was inserted and ventilation was maintained on 100% oxygen. Investigations revealed: pH 7.13 PaO2 560 mmHg PaCO2 18 mmHg Bicarbonate 5.8 SaO2 98% Based on these laboratory values, which of the following statements best describes his current pathophysiology? 1) He is demonstrating a primary respiratory alkalosis 2) He probably developed a large right to left intracardiac shunt 3) His anion gap is probably normal 4) His oxyhemoglobin curve is shifted to the left 5) His pulmonary artery pressure is probably elevated

Description : A 45-year-old solicitor had an onset of severe, crushing, substernal chest pain while attending a football match. He collapsed on his way to the car. Bystander Cardiorespiratory Resuscitation ... His oxyhemoglobin curve is shifted to the left 5) His pulmonary artery pressure is probably elevated

Last Answer : Answers-5 This young patient with severe central chest pain has probably arrested due to myocardial infarction and arrhythmia. His gases reveal high PO2 following 100% O2 but severe acidosis ... no left to right shunting and high pulmonary pressures would be expected after this arrest scenario.

Which of the following is true concerning a 68 year old male with type 2 diabetes diagnosed with type IV renal tubal acidosis? 1) Aminoaciduria would be expected. 2) Fludrocortisone treatment is effective 3) Increased Glomerular filtration rate is expected. 4) Increased urinary bicarbonate would be expected. 5) Normal renal handling of K+ and H+

Description : Which of the following is true concerning a 68 year old male with type 2 diabetes diagnosed with type IV renal tubal acidosis? 1) Aminoaciduria would be expected. 2) Fludrocortisone treatment is effective ... 4) Increased urinary bicarbonate would be expected. 5) Normal renal handling of K+ and H+

Last Answer : Answers-2 H+ secretion, sodium reabsorption and ammonia production diminishes. RTA 4 is in effect hyporeninaemic hypoaldosteronism or failure of aldosterone action and thus helped treated with ... particularly. Aminoaciduria and increased urine bicarbonate are features of RTA types 1 and 2.

The concentration of ketone bodies in the blood does not normally exceed (A) 0.2 mmol/L (B) 0.4 mmol/L (C) 1 mmol/L (D) 2 mmol/L

Description : The concentration of ketone bodies in the blood does not normally exceed (A) 0.2 mmol/L (B) 0.4 mmol/L (C) 1 mmol/L (D) 2 mmol/L

Last Answer : Answer : A

Which of the following statements about respiratory acidosis are true? A. Compensation occurs by a shift of chloride out of the red blood cells. B. Renal compensation occurs rapidly. C. Retention of bicarbonate and increased ammonia formation are normal compensatory mechanisms. D. Narcotic administration is an unusual cause of respiratory acidosis. E. The ratio of bicarbonate to carbonic acid is less than 20:1.

Description : Which of the following statements about respiratory acidosis are true? A. Compensation occurs by a shift of chloride out of the red blood cells. B. Renal compensation occurs rapidly. C. Retention of ... of respiratory acidosis. E. The ratio of bicarbonate to carbonic acid is less than 20:1.

Last Answer : Answer: CE DISCUSSION: Renal compensation for acute hypoventilation is relatively slow. Depression of the respiratory center by morphine can lead to respiratory acidosis. Renal retention of bicarbonate, ... into red cells combine to increase the ratio of bicarbonate to carbonic acid to 20:1

What is the interval between a high tide and neaptide at a given place? (1) 12 hours (2) 12 hours 26 minutes (3) 15 hours 30 minutes (4) 24 hours

Description : What is the interval between a high tide and neaptide at a given place? (1) 12 hours (2) 12 hours 26 minutes (3) 15 hours 30 minutes (4) 24 hours

Last Answer : (2) 12 hours 26 minutes Explanation: Tide clocks are popular clocks used amongst surfers, sailors, and anyone else who is concerned with the tidal cycle. They run on a 12 hour and 25 or 26 minute cycle, which is the time it takes for the high tide to ebb and flow back to high tide again.

The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is (A) 24 cm (B) 26 cm (C) 28 cm (D) 30 cm

Description : The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is (A) 24 cm (B) 26 cm (C) 28 cm (D) 30 cm

Last Answer : (D) 30 cm

24 14 26 ? 28 16 30 a) 13 b) 17 c) 15 d) 11 e) 20

Description : 24 14 26 ? 28 16 30 a) 13 b) 17 c) 15 d) 11 e) 20

Last Answer : The series consists of two series 1 and 2: Series 1 : 24 26 28 30 +2 +2 +2 Series 2 : 14 15 16 +1 +1 Answer: c)

In 165 litres of mixtures of milk and water, water is only 28%. The milkman sold 40 litres of this mixture and then he added 30 litres of pure milk and 13 litres of pure water in the remaining mixture. What is the percentage of water in the final mixture? 1) 29.35% 2) 28. 57% 3) 24. 57% 4) 27. 75% 5) 26. 57%

Description : In 165 litres of mixtures of milk and water, water is only 28%. The milkman sold 40 litres of this mixture and then he added 30 litres of pure milk and 13 litres of pure water in the remaining mixture. What is the percentage ... mixture? 1) 29.35% 2) 28. 57% 3) 24. 57% 4) 27. 75% 5) 26. 57%

Last Answer : 2) 28. 57%

What is the shear stress acting on the outer surface of a hollow shaft subjected to a torque of 100 Nm?(The inner and outer diameter of the shaft is 15 mm and 30 mm respectively.) a. 50.26 N/mm2 b. 40.24 N/mm2 c. 20.120 N/mm2 d. 8.74 N/mm2

Description : What is the shear stress acting on the outer surface of a hollow shaft subjected to a torque of 100 Nm?(The inner and outer diameter of the shaft is 15 mm and 30 mm respectively.) a. 50.26 N/mm2 b. 40.24 N/mm2 c. 20.120 N/mm2 d. 8.74 N/mm2

Last Answer : c. 20.120 N/mm2

What is the interval between a high tide and neaptide at a given place ? (1) 12 hours (2) 12 hours 26 minutes (3) 15 hours 30 minutes (4) 24 hours

Description : What is the interval between a high tide and neaptide at a given place ? (1) 12 hours (2) 12 hours 26 minutes (3) 15 hours 30 minutes (4) 24 hours

Last Answer : 12 hours 26 minutes

Hyperventilation causes: a. an alkaline urine b. a fall in the plasma bicarbonate concentration c. increased cardiac output d. all above

Description : Hyperventilation causes: a. an alkaline urine b. a fall in the plasma bicarbonate concentration c. increased cardiac output d. all above

Last Answer : all above

Blood chemistry shows the following changes in compensated respiratory acidosis: (A) Increased pCO2 (B) Increased bicarbonate (C) Decreased chloride (D) All of these

Description : Blood chemistry shows the following changes in compensated respiratory acidosis: (A) Increased pCO2 (B) Increased bicarbonate (C) Decreased chloride (D) All of these

Last Answer : Answer : D

All the following changes in blood chemistry can occur in severe diarrhoea except (A) Decreased pH (B) Decreased bicarbonate (C) Increased pCO2 (D) Increased chloride WATER AND ELECTROLYTE BALANCE 287

Description : All the following changes in blood chemistry can occur in severe diarrhoea except (A) Decreased pH (B) Decreased bicarbonate (C) Increased pCO2 (D) Increased chloride WATER AND ELECTROLYTE BALANCE 287

Last Answer : Answer : C

The main physiological buffer in the blood is (A) Haemoglobin buffer (B) Acetate (C) Phosphate (D) Bicarbonate

Description : The main physiological buffer in the blood is (A) Haemoglobin buffer (B) Acetate (C) Phosphate (D) Bicarbonate

Last Answer : Answer : D