Description : A mixture of conjugated and unconjugated bilirubin is found in the circulation in (A) Hemolytic jaundice (B) Hepatic jaundice (C) Obstructive jaundice (D) Post hepatic jaundice
Last Answer : Answer : B
Description : All the following statements about obstructive jaundice are true except (A) Conjugated bilirubin in serum is normal (B) Total bilirubin in serum is raised (C) Bile salts are present in urine (D) Serum alkaline phosphatase is raised
Last Answer : Answer : A
Description : Markedly increased concentration responsible for kernicterus in hemolytic disease of the newborn. A A. Unconjugated bilirubin B. Conjugated bilirubin C. Both D. None of these
Last Answer : Unconjugated bilirubin
Description : In hemolytic jaundice, bilirubin in urine is (A) Usually absent (B) Usually present (C) Increased very much (D) Very low
Description : Increased urobilinogen in urine and absence of bilirubin in the urine suggests (A) Obstructive jaundice (B) Hemolytic jaundice (C) Viral hepatitis (D) Toxic jaundice
Description : All the following statements about obstructive jaundice are true except (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K (B) Serum alkaline phosphatase may be raised ... systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin
Description : Which type of jaundice in adults is the result of increased destruction of red blood cells? a) Hemolytic Hemolytic jaundice results because, although the liver is functioning normally, it cannot ... is the result of liver disease. d) Non-obstructive Non-obstructive jaundice occurs with hepatitis.
Last Answer : a) Hemolytic Hemolytic jaundice results because, although the liver is functioning normally, it cannot excrete the bilirubin as quickly as it is formed.
Description : In hemolytic jaundice, the urinary bilirubin is (A) Normal (B) Absent (C) More than normal (D) Small amount is present
Last Answer : Answer : C
Description : The presence of bilirubin in the urine without urobilinogen suggests (A) Obstructive jaundice (B) Hemolytic jaundice (C) Pernicious anemia (D) Damage to the hepatic parenchyma
Description : An increase in serum unconjugated bilirubin occurs in (A) Hemolytic jaundice (B) Obstructive jaundice (C) Nephritis (D) Glomerulonephritis
Description : A jaundice in which serum alanine transaminase and alkaline phosphatase are normal is (A) Hepatic jaundice (B) Hemolytic jaundice (C) Parenchymatous jaundice (D) Obstructive Jaundice
Description : Glucocorticoids increase the synthesis of all of the following except (A) Glucokinase (B) Glucose-6-phosphatase (C) Fructose-1, 6-biphosphatase (D) Pyruvate carboxylase
Description : The 4 rate limiting enzymes of gluconeogenesis are (A) Glucokinase, Pyruvate carboxylae phosphoenol pyruvate carboxykinase and glucose-6-phosphatase (B) Pyruvate carboxylase, phosphoenol ... fructokinase, pyruvate carboxylase, phosphoenol pyruvate carboxykinase and fructose 1, 6 diphosphatase
Last Answer : B
Description : Serum concentration is increased when destruction of erythrocytes is increased A A. Unconjugated bilirubin B. Conjugated bilirubin C. Both D. None of these
Description : In obstructive jaundice, urinary bilirubin is (A) Absent (B) Increased (C) Present (D) Present in small amount
Description : Increased serum ornithine carabamoyl transferase activity is diagnostic of (A) Myocardial infarction (B) Hemolytic jaundice (C) Bone disease (D) Acute viral hepatitis
Last Answer : Answer : D
Description : Fecal urobilinogen is increased in (A) Hemolytic jaundice (B) Obstruction of biliary duct (C) Extrahepatic gall stones (D) Enlarged lymphnodes
Description : Fecal stercobilinogen is increased in (A) Hemolytic jaundice (B) Hepatic jaundice (C) Viral hepatitis (D) Obstructive jaundice
Description : Serum LDL has been found to be increased in (A) Obstructive jaundice (B) Hepatic jaundice (C) Hemolytic jaundice (D) Malabsorption syndrome
Description : Serum alkaline phosphatase is greatly increased in (A) Haemolytic jaundice (B) Hepatic jaundice (C) Obstructive jaundice (D) None of these
Description : Hepatocellular jaundice as compared to pure obstructive type of jaundice is characterized by (A) Increased serum alkaline phosphate, LDH and ALT (B) Decreased serum alkaline phosphatase, LDH and ALT (C ... levels of LDH and ALT (D) Decreased serum alkaline phosphatase and increased serum LDH and ALT
Description : Excretion of conjugated bilirubin from liver cells into biliary canaliculi is defective in (A) Gilbert’s disease (B) Crigler-Najjar syndrome (C) Lucey-Driscoll syndrome (D) Rotor’s syndrome
Description : The normal range of direct reacting (conjugated) serum bilirubin is (A) 0–0.1 mg/100 ml (B) 0.1–0.4 mg/100 ml (C) 0.4–06 mg/100 ml (D) 0.5–1 mg/100 ml
Description : Which of the following is true of Gilbert's syndrome? 1) inheritance is autosomal recessive 2) serum conjugated bilirubin levels are elevated 3) serum bilirubin levels are decreased by fasting 4) serum bilirubin levels are decreased by liver enzyme inducers 5) there is bilirubinuria
Last Answer : Answers-4 Gilbert's syndrome is inherited in autosomal dominant fashion and affects 2-5% of the population. UDP glucuronyl transferase levels are reduced leading to an unconjugated hyperbilirubinaemia. ... the bilirubin is reabsorbed in the proximal tubule some bilirubin is detectable in the urine.
Description : Which one of the following would be expected in pyruvate kinase deficiency? (A) Increased levels of lactate in the R.B.C (B) Hemolytic anemia (C) Decreased ratio of ADP to ATP in R.B.C (D) Increased phosphorylation of Glucose to Glucose-6-phosphate
Description : Acute hemolytic anemia in person’s sensitive to the Fava beans is due to the deficiency of the enzyme: (A) Pyruvate dehydrogenase (B) G-6-PD (C) Aconitase (D) Transketolase
Description : The best known cause of galactosemia is the deficiency of (A) Galactose 1-phosphate and uridyl transferase (B) Phosphoglucomutase (C) Galactokinase (D) Lactose synthase
Description : If results of the serum bilirubin, serum ALP, LDH and AST determinations suggest obstructive jaundice, the best confirmatory test would be the estimation of (A) Serum ALT (B) Serum 5’ nucleotidase (C) Serum Pseudo cholinesterase (D) None of these
Description : Jaundice is visible when serum bilirubin exceeds (A) 0.5 mg/100 ml (B) 0.8 mg/100 ml (C) 1 mg/100 ml (D) 2.4 mg/100 ml
Description : Hypercholesterolemia is found in (A) Xanthomatosis (B) Thyrotoxicosis (C) Hemolytic jaundice (D) Malabsorption syndrom
Description : Immediate direct Vanden Bergh reaction indicates (A) Hemolytic jaundice (B) Hepatic jaundice (C) Obstructive jaundice (D) Megalobastic anemia
Description : A complete absence of fecal urobilinogen is strongly suggestive of (A) Obstruction of bile duct (B) Hemolytic jaundice (C) Intrahepatic cholestasis (D) Malignant obstructive disease
Description : Fecal urobilinogen is decreased in (A) Obstruction of biliary duct (B) Hemolytic jaundice (C) Excess fat intake (D) Low fat intake
Description : Folate deficiency causes (A) Microcytic anemia (B) Hemolytic anemia (C) Iron deficiency anemia (D) Megaloblastic anemia
Description : Acute hemolytic episode after administration of antimalarial, primaquin, is due to deficiency of the enzyme: (A) 6-Phosphogluconate dehydrogenase (B) Glucose-6-phosphate dehydrogenase (C) Epimerase (D) Transketolase
Description : Hemolytic anemia is caused by the deficiency of certain enzymes of the pentose phosphate pathway, the principal enzyme involved is (A) Glucose-6-phosphate dehydrogenase (B) Aldolase (C) Fructose 1, 6-bisphosphatase (D) Phosphohexose isomerase
Description : Synthesis of the following enzymes is increased during starvation. (A) Digestive enzymes (B) Gluconeogenic enzymes (C) Urea cycle enzymes (D) Glucokinase
Description : Pompe ’s d isease is caused due to deficiency of (A) Lysosomal α-1→4 and 1→6-glucosidase (B) Glucose-6-phosphatase (C) Glycogen synthase (D) Phosphofructokinase
Description : Von Gierke’s disease is characterized by the deficiency of (A) Glucose-6-phosphatase (B) α -1→ 4 Glucosidase (C) 1→ 6 Glucosidase (D) Liver phosphorylase
Description : The “Primaquin sensitivity types of haemolytic anaemia has been found to relate to reduced R.B.C activity of which enzyme? (A) Pyruvate kinase deficiency (B) Glucose-6-phosphatase deficiency (C) Glucose-6-p dehydrogenase deficiency (D) Hexokinase deficiency
Last Answer : C
Description : McArdle’s disease is due to the deficiency of (A) Glucose-6-phosphatase (B) Phosphofructokinase (C) Liver phosphorylase (D) muscle phosphorylase
Last Answer : D
Description : Glucose 6-phosphate is converted to glucose 1-phosphate in a reaction catalysed by the enzyme phosphoglucomutase, which is (A) Phosphorylated (B) Dephosphorylated (C) Phosphorylated-dephosphorylated (D) Phosphorylated-dephosphorylatedrephosphorylated
Last Answer : (D) Megaloblastic anemia
Description : Which of the following concerning the conjugation of bilirubin is correct? 1) is catalysed by a glucuronyl transferase 2) occurs in the Kupfer cells of the liver 3) is increased by valproate 4) is inhibited by rifampicin 5) is impaired in Dubin-Johnson syndrome
Last Answer : Answers-1 b - Hepatocytes. c - Enzyme inhibitor. d - Enzyme inducer. e - Conjugation is OK but excretion from the hepatocyte into the bile is impaired. (Gilbert's syndrome ... bilirubinaemia. Dubin-Johnson syndrome - bilirubin can't Depart from the hepatocyte - conjugated bilirubinaemia.)
Description : Which of the following amino acid has been shown as one of the active site of phosphoglucomutase? (A) Lysine (B) Tyrosine (C) Serine (D) Histidine
Description : ATP is ‘wasted’ in Rapoport-Lueberring cycle in RBCs as otherwise it will inhibit (A) Phosphoglucomutase (B) Phosphohexo isomerase (C) Phosphofructo kinase (D) Phosphoenol pyruvate carboxy kinase
Description : Of the following hemolytic anemias, which is categorized as inherited? a) Sickle cell anemia Glucose 6-phosphate dehydrogenase deficiency is an inherited abnormality resulting in hemolytic anemia. b ... is an acquired anemia. d) Hypersplenism Hypersplenism results in an acquired hemolytic anemia.
Last Answer : a) Sickle cell anemia Glucose 6-phosphate dehydrogenase deficiency is an inherited abnormality resulting in hemolytic anemia.
Description : Serum acid phosphatase level is increased in which condition?
Last Answer : Prostate carcinoma.
Description : Glucose-6-phosphate is an allosteric inhibitor of (A) Glucokinase (B) Hexokinase (C) Phosphohexose isomerase (D) None of these
Description : The enzymes involved in Phosphorylation of glucose to glucose 6- phosphate are (A) Hexokinase (B) Glucokinase (C) Phosphofructokinase (D) Both (A) and (B)