Description : The average pH of Urine is (A) 7.0 (B) 6.0 (C) 8.0 (D) 0.0
Last Answer : B
Last Answer : (B) 6.0
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.
Description : All of the following statements about uric acid are true except (A) It can be formed from allantoin (B) Formation of uric acid stones in kidneys can be decreased by alkalinisation of urine (C) Uric acid begins to dissociate at pH above 5.8 (D) It is present in plasma mainly as monosodium urate
Last Answer : Answer : A
Description : In the genetic disorder of cystinuria, the patient excretes large quantities of cystine in their urine and its low solubility causes crystalline cystine to precipitate as stones in kidneys. The remedy ... C) NaHCO3 prevents stone formation by hydrolysis of cystine to cysteine (D) None of these
Last Answer : Answer : C
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
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
Description : 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 of albumin is (A) 3.6 (B) 4.7 (C) 5.0 (D) 6.1
Description : The pH optima for pancreatic analyse is (A) 4.0 (B) 7.1 (C) 7.9 (D) 8.6
Last Answer : Answer : D
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
Description : pH (isoelectric pH) of alanine is (A) 6.02 (B) 6.6 (C) 6.8 (D) 7.2
Last Answer : (A) 6.02
Description : pH of urine is
Last Answer : pH of urine is
Description : The normal pH of the blood is (A) 7.0 (B) 7.1 (C) 7.2 (D) 7.4
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
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
Description : In a braking test, a vehicle travelling at 36 km ph was stopped at a braking distance of 8.0 m. The average value of the vehicle's skid resistance (friction coefficient) is (A) 0.64 (B) 6.25 (C) 0.16 (D) None of these
Last Answer : Answer: Option C
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
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
Description : The optimal pH for the enzyme pepsin is (A) 1.0–2.0 (B) 4.0–5.0 (C) 5.2–6.0 (D) 5.8–6.2
Description : Since the pK values for aspartic acid are 2.0, 3.9 and 10.0, it follows that the isoelectric (pH) is (A) 3.0 (B) 3.9 (C) 5.9 (D) 6.0
Last Answer : (A) 3.0
Description : A 60-year-old man was diagnosed last year with adenocarcinoma of the lung, and a 4 cm mass lesion was treated with a right lower lobectomy. He now has an ... 2) Membranous glomerulonephritis 3) Minimal change glomerulonephritis 4) Nodular glomerulosclerosis 5) Rapidly progressive glomerulonephritis
Last Answer : Answers-2 Most cases of membranous GN are idiopathic, but in some patients there is a history of an infection or a malignancy (usually lung) with antigenemia.
Description : The optimum pH of pancreatic lipase is (A) 2.0 (B) 4.0 (C) 6.0 (D) 8.0
Description : The pH optima of gastric lipase is (A) 3.0–6.0 (B) 1.0–2.0 (C) 8.0 (D) 8.6
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
Description : 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 rennin is (A) 2.0 (B) 4.0 (C) 8.0 (D) 6.0
Description : pH required for the growth of bacteria is a. 6.8 – 7.2 b. 5.6 – 8.2 c. 3.0 – 6.0 d. 8.0 – 14.0
Last Answer : Ans: A
Description : Which pH range is not suitable to grow the crop (a) Oats — 5.0 – 7.5 pH (b) Cotton — 6.0—7.5 pH (c) Bean ——6.0 — 8.0 pH(d) Potato —- 4.5-6.5 pH
Last Answer : (d) Potato —- 4.5-6.5 pH
Description : The PH value of water shall not less than. (a) 5.0 (b) 6.0 (c) 6.5 (d) 7.0
Last Answer : (b) 6.0
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
Description : Lipase can act only at pH: (A) 2.5–4 (B) 3.5–5 (C) 4 to 5 (D) 5–7
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
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.
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.
Description : At pH 7.4, the ratio of bicarbonate : dissolved CO2 is (A) 1 : 1 (B) 10 : 1 (C) 20 : 1 (D) 40 : 1
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
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
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
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
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
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
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
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
Description : The specific gravity of urine normally ranges from (A) 0.900–0.999 (B) 1.003–1.030 (C) 1.000–1.001 (D) 1.101–1.120
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
Description : The pH of gastric juice of infants is (A) 2.0 (B) 4.0 (C) 4.5 (D) 5.0