The normal pH of the blood is (A) 7.0 (B) 7.1 (C) 7.2 (D) 7.4

The normal pH of the blood is (A) 7.0 (B) 7.1 (C) 7.2 (D) 7.4
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Which of the following concerning the pH of urine is correct? 1) is a useful indicator of the acid/base balance of the blood 2) rises on a vegetarian diet 3) is determined by the concentration of ammonium 4) is lower than 5.5 in renal tubular acidosis 5) would be above 7.0 after prolonged and severe vomiting

Description : Which of the following concerning the pH of urine is correct? 1) is a useful indicator of the acid/base balance of the blood 2) rises on a vegetarian diet 3) is determined by the concentration of ... lower than 5.5 in renal tubular acidosis 5) would be above 7.0 after prolonged and severe vomiting

Last Answer : Answers-2 c - excretion of ammonium occurs when an acid urine is produced but the pH of urine is of course determined by the concentration of H+ ions d-unable to lower the pH to ... and distal nephron and this perpetuates the metabolic alkalosis until the fluid balance is restored with IV fluids.

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 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

Acidosis is the condition in which the blood pH is abnormally low. Alkalosis is the condition in which the blood pH is abnormally high. Normal pH levels for the human blood are between 7.35 and 7.45 - slightly alkaline.

Description : Acidosis is the condition in which the blood pH is abnormally low. Alkalosis is the condition in which the blood pH is abnormally high. Normal pH levels for the human blood are between 7.35 and 7.45 - slightly alkaline.

Last Answer : How does the breathing process correct acidosis?

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

The pH of blood is about 7.4 when the ratio between (NaHCO3) and (H2CO3) is (A) 10 : 1 (B) 20 : 1 (C) 25 : 1 (D) 30 : 1

Description : The pH of blood is about 7.4 when the ratio between (NaHCO3) and (H2CO3) is (A) 10 : 1 (B) 20 : 1 (C) 25 : 1 (D) 30 : 1

Last Answer : Answer : B

The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Description : The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Last Answer : B

A young child presents with respiratory distress, worsening over 2 days. Blood gases show a pH of 7.25, a PCO2 of 7.5kPa, a PO2 of 8.5kPa, and a base excess of -4. Which of the following interpretations is correct? 1) Results are consistent with bronchopulmonary dysplasia. 2) Blood gases suggest type 1 respiratory failure. 3) Immediate intubation is required. 4) Results are consistent with late severe asthma. 5) Bicarbonate may be necessary to correct the acidosis.

Description : A young child presents with respiratory distress, worsening over 2 days. Blood gases show a pH of 7.25, a PCO2 of 7.5kPa, a PO2 of 8.5kPa, and a base excess of -4. Which of the ... required. 4) Results are consistent with late severe asthma. 5) Bicarbonate may be necessary to correct the acidosis.

Last Answer : Answers-4 In interpreting blood gas results, the following sequence may be useful: Inspect the pH: Is it low, normal or high? Inspect the CO2: Is it low, normal or high? Inspect the PO2: Is ... excess and normal pH. Bicarbonate is usually only considered if the base deficit exceeds about -8 or 00.

The average of pH of urine is (A) 5.6 (B) 6.0 (C) 6.4 (D) 7.0

Description : The average of pH of urine is (A) 5.6 (B) 6.0 (C) 6.4 (D) 7.0

Last Answer : Answer : B

The pH optima for lactase is (A) 1.0-2.0 (B) 5.4–6.0 (C) 5.0–7.0 (D) 5.8–6.2

Description : The pH optima for lactase is (A) 1.0-2.0 (B) 5.4–6.0 (C) 5.0–7.0 (D) 5.8–6.2

Last Answer : Answer : B

The pH optima for sucrase is (A) 5.0–7.0 (B) 5.8–6.2 (C) 5.4–6.0 (D) 8.6

Description : The pH optima for sucrase is (A) 5.0–7.0 (B) 5.8–6.2 (C) 5.4–6.0 (D) 8.6

Last Answer : Answer : A

The pH optima for pancreatic analyse is (A) 4.0 (B) 7.1 (C) 7.9 (D) 8.6

Description : The pH optima for pancreatic analyse is (A) 4.0 (B) 7.1 (C) 7.9 (D) 8.6

Last Answer : Answer : D

The pH optima for salivary analyse is (A) 6.6–6.8 (B) 2.0–7.5 (C) 7.9 (D) 8.6

Description : The pH optima for salivary analyse is (A) 6.6–6.8 (B) 2.0–7.5 (C) 7.9 (D) 8.6

Last Answer : Answer : A

When the net charge on an amino acid is zero, the pH is maintained as? (A) 4.5 (B) 11.2 (C) 7.0 (D) 9.1

Description : When the net charge on an amino acid is zero, the pH is maintained as? (A) 4.5 (B) 11.2 (C) 7.0 (D) 9.1

Last Answer : Answer : C

The PH of albumin is (A) 3.6 (B) 4.7 (C) 5.0 (D) 6.1

Description : The PH of albumin is (A) 3.6 (B) 4.7 (C) 5.0 (D) 6.1

Last Answer : Answer : B

The amino acids in which the R groups have a net positive charge at pH 7.0 are (A) Lysine, Arginine, Histidine (B) Lysine, Aspargine (C) Histidine, Aspargine (D) Glutamine, Arginine

Description : The amino acids in which the R groups have a net positive charge at pH 7.0 are (A) Lysine, Arginine, Histidine (B) Lysine, Aspargine (C) Histidine, Aspargine (D) Glutamine, Arginine

Last Answer : Answer : A

Which one of the following statements concerning glutamine is correct? (A) Contains three tetratable groups (B) Is classified as an acidic amino acid (C) Contains an amide group (D) Migrates to the cathode during electrophoresis at pH 7.0

Description : Which one of the following statements concerning glutamine is correct? (A) Contains three tetratable groups (B) Is classified as an acidic amino acid (C) Contains an amide group (D) Migrates to the cathode during electrophoresis at pH 7.0

Last Answer : Answer : C

The average pH of Urine is (A) 7.0 (B) 6.0 (C) 8.0 (D) 0.0

Description : The average pH of Urine is (A) 7.0 (B) 6.0 (C) 8.0 (D) 0.0

Last Answer : B

What is the pH level of blood of a normal person?

Description : What is the pH level of blood of a normal person?

Last Answer : 7.35-7.45

What is the normal pH of human blood?

Description : What is the normal pH of human blood? 

Last Answer : ANSWER: 7.4 

In a solution containing phosphate buffer, the pH will be 7.4, if the ratio of monohydrogen phosphate : dihydrogen phosphate is (A) 4 : 1 (B) 5 : 1 (C) 10 : 1 (D) 20 : 1

Description : In a solution containing phosphate buffer, the pH will be 7.4, if the ratio of monohydrogen phosphate : dihydrogen phosphate is (A) 4 : 1 (B) 5 : 1 (C) 10 : 1 (D) 20 : 1

Last Answer : Answer : A

At pH 7.4, the ratio of bicarbonate : dissolved CO2 is (A) 1 : 1 (B) 10 : 1 (C) 20 : 1 (D) 40 : 1

Description : At pH 7.4, the ratio of bicarbonate : dissolved CO2 is (A) 1 : 1 (B) 10 : 1 (C) 20 : 1 (D) 40 : 1

Last Answer : Answer : C

In a solution having a pH of 7.4, the hydrogen ion concentration is (A) 7.4 nmol/L (B) 40 nmol/L (C) 56 nmol/L (D) 80 nmol/L

Description : In a solution having a pH of 7.4, the hydrogen ion concentration is (A) 7.4 nmol/L (B) 40 nmol/L (C) 56 nmol/L (D) 80 nmol/L

Last Answer : Answer : B

The pH of body fluids is stabilized by buffer systems. The compound which will be the most effective buffer at physiologic pH is (A) Na2HPO4 pKa = 12.32 (B) Na2HPO4 pKa=7.21 (C) NH4OH pKa = 7.24 (D) Citric acid pKa = 3.09

Description : The pH of body fluids is stabilized by buffer systems. The compound which will be the most effective buffer at physiologic pH is (A) Na2HPO4 pKa = 12.32 (B) Na2HPO4 pKa=7.21 (C) NH4OH pKa = 7.24 (D) Citric acid pKa = 3.09

Last Answer : Answer : B

Lipase can act only at pH: (A) 2.5–4 (B) 3.5–5 (C) 4 to 5 (D) 5–7

Description : Lipase can act only at pH: (A) 2.5–4 (B) 3.5–5 (C) 4 to 5 (D) 5–7

Last Answer : Answer : D

The amino acid which has a pK near 4 and thus is negatively charged at pH 7 is (A) Alanine (B) Glutamic acid (C) Glutamine (D) Aspargine

Description : The amino acid which has a pK near 4 and thus is negatively charged at pH 7 is (A) Alanine (B) Glutamic acid (C) Glutamine (D) Aspargine

Last Answer : Answer : B

A hexa peptide with 5 aspartic acid would have a net charge at pH 7: (A) Neutral (B) Positive (C) Negative (D) Not predictable

Description : A hexa peptide with 5 aspartic acid would have a net charge at pH 7: (A) Neutral (B) Positive (C) Negative (D) Not predictable

Last Answer : Answer : C

Which one of the amino acids could serve as the best buffer at pH 7? (A) Glutamic acid (B) Arginine (C) Valine (D) Histidine

Description : Which one of the amino acids could serve as the best buffer at pH 7? (A) Glutamic acid (B) Arginine (C) Valine (D) Histidine

Last Answer : Answer : D

The only correct statement about chymotrypsin is (A) It is formed from trypsin (B) Carboxypeptidase converts trypsin into chymotrypsin (C) Its optimum pH is around 7 (D) It hydrolyses peptide bonds involving basic amino acids

Description : The only correct statement about chymotrypsin is (A) It is formed from trypsin (B) Carboxypeptidase converts trypsin into chymotrypsin (C) Its optimum pH is around 7 (D) It hydrolyses peptide bonds involving basic amino acids

Last Answer : Answer : C

pH (isoelectric pH) of alanine is (A) 6.02 (B) 6.6 (C) 6.8 (D) 7.2

Description : pH (isoelectric pH) of alanine is (A) 6.02 (B) 6.6 (C) 6.8 (D) 7.2

Last Answer : Answer : A

pH (isoelectric pH) of alanine is (A) 6.02 (B) 6.6 (C) 6.8 (D) 7.2

Description : pH (isoelectric pH) of alanine is (A) 6.02 (B) 6.6 (C) 6.8 (D) 7.2

Last Answer : (A) 6.02

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

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

What system maintains the ph of human blood at very near 7.4?

Description : What system maintains the ph of human blood at very near 7.4?

Last Answer : Carbon acid

pH of blood is – (1) 10.4 (2) 9 (3) 7.4 (4) 4

Description : pH of blood is – (1) 10.4 (2) 9 (3) 7.4 (4) 4

Last Answer : (3) 7.4 Explanation: A pH of 7 is neutral. The lower the pH, the more acidic the blood. A variety of factors affect blood pH including what is ingested, vomiting, diarrhea, lung function, ... function, and urinary tract infection. The normal blood pH is tightly regulated between 7.35 and 7.45.

The pH of human blood is - (1) 7.2 (2) 7.8 (3) 6.6 (4) 7.4

Description : The pH of human blood is - (1) 7.2 (2) 7.8 (3) 6.6 (4) 7.4

Last Answer : (4) 7.4 Explanation: Different fluids in the human body generally have a delicate range of acidalkaline balance they maintain for optimal functioning. Human blood has a normal pH of ... too alkaline, a condition called alkalosis results. Conversely, an overly acid condition results in acidosis.

The pH of human blood is between – (1) 6.5-7 (2) 7.5-8 (3) 8-9 (4) 4.5-5

Description : The pH of human blood is between – (1) 6.5-7 (2) 7.5-8 (3) 8-9 (4) 4.5-5

Last Answer : (2) 7.5-8 Explanation: Blood is a specialized bodily fluid in animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. ... has a pH below 7.5 is too acidic, whereas blood pH above 7.5 is too alkaline.

The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Description : The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Last Answer : (B) 1 : 20

The pH of human blood is (1) 7.2 (2) 7.8 (3) 6.6 (4) 7.4

Description : The pH of human blood is (1) 7.2 (2) 7.8 (3) 6.6 (4) 7.4

Last Answer : 7.4

The pH of human blood is between : (1) 6.5-7 (2) 7.5-8 (3) 8-9 (4) 4.5-5

Description : The pH of human blood is between : (1) 6.5-7 (2) 7.5-8 (3) 8-9 (4) 4.5-5

Last Answer : 7.5-8

A 0.22 M solution of lactic acid (pKa 3.9) was found to contain 0.20 M in the dissociated form and 0.02 M undissociated form, the pH of the solution is (A) 2.9 (B) 3.3 (C) 4.9 (D) 5.4

Description : A 0.22 M solution of lactic acid (pKa 3.9) was found to contain 0.20 M in the dissociated form and 0.02 M undissociated form, the pH of the solution is (A) 2.9 (B) 3.3 (C) 4.9 (D) 5.4

Last Answer : Answer : C

The optimum pH of pancreatic lipase is (A) 2.0 (B) 4.0 (C) 6.0 (D) 8.0

Description : The optimum pH of pancreatic lipase is (A) 2.0 (B) 4.0 (C) 6.0 (D) 8.0

Last Answer : Answer : C

The pH optima of gastric lipase is (A) 3.0–6.0 (B) 1.0–2.0 (C) 8.0 (D) 8.6

Description : The pH optima of gastric lipase is (A) 3.0–6.0 (B) 1.0–2.0 (C) 8.0 (D) 8.6

Last Answer : Answer : A

The pH optima for maltase is (A) 1.0–2.0 (B) 5.2–6.0 (C) 5.8–6.2 (D) 5.4–6.0

Description : The pH optima for maltase is (A) 1.0–2.0 (B) 5.2–6.0 (C) 5.8–6.2 (D) 5.4–6.0

Last Answer : Answer : C

The pH of gastric juice of infants is (A) 2.0 (B) 4.0 (C) 4.5 (D) 5.0

Description : The pH of gastric juice of infants is (A) 2.0 (B) 4.0 (C) 4.5 (D) 5.0

Last Answer : Answer : D

Amino acids excepting histidine are not good buffering agents in cell because (A) They exist as zwitter ions (B) Their pk and not in the physiological pH of a cell (C) Only Histidine has pk of its R group at 6.0 unlike the others which have at a different pH (D) None of these

Description : Amino acids excepting histidine are not good buffering agents in cell because (A) They exist as zwitter ions (B) Their pk and not in the physiological pH of a cell (C) Only Histidine has pk of its R group at 6.0 unlike the others which have at a different pH (D) None of these

Last Answer : Answer : C

All the following statements about pepsin are correct except (A) It is smaller than pepsinogen (B) It is formed by the action of HCl on its precursor (C) Its optimum pH is 1.0–2.0 (D) It hydrolyses the C-terminal and N-terminal peptide bonds of proteins

Description : All the following statements about pepsin are correct except (A) It is smaller than pepsinogen (B) It is formed by the action of HCl on its precursor (C) Its optimum pH is 1.0–2.0 (D) It hydrolyses the C-terminal and N-terminal peptide bonds of proteins

Last Answer : Answer : D

The optimal pH for the enzyme chymotrypsin is (A) 2.0 (B) 4.0 (C) 6.0 (D) 8.0

Description : The optimal pH for the enzyme chymotrypsin is (A) 2.0 (B) 4.0 (C) 6.0 (D) 8.0

Last Answer : Answer : D

The optimal pH for the enzyme trypsin is (A) 1.0–2.0 (B) 2.0–4.0 (C) 5.2–6.2 (D) 5.8–6.2

Description : The optimal pH for the enzyme trypsin is (A) 1.0–2.0 (B) 2.0–4.0 (C) 5.2–6.2 (D) 5.8–6.2

Last Answer : Answer : C