Isoenzymes of lactate dehydrogenase are useful for the diagnosis of (A) Heart disease (B) Kidney disease (C) Liver disease (D) Both (A) and (C)

Isoenzymes of lactate dehydrogenase are useful for the diagnosis of (A) Heart disease (B) Kidney disease (C) Liver disease (D) Both (A) and (C)
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The first enzyme found to have isoenzymes was (A) Alkaline Phosphatase (B) Lactate dehydrogenase (C) Acid Phosphatase (D) Creatine kinase

Description : The first enzyme found to have isoenzymes was (A) Alkaline Phosphatase (B) Lactate dehydrogenase (C) Acid Phosphatase (D) Creatine kinase

Last Answer : Answer : B

In which diseases of the following organs, isoenzymes LDH-1 and LDH-2 will be released in plasma? (A) Kidney, R.B.C and Liver (B) Heart, Kidney and R.B.C (C) Heart, Kidney and Liver (D) Heart, Lungs and Brain

Description : In which diseases of the following organs, isoenzymes LDH-1 and LDH-2 will be released in plasma? (A) Kidney, R.B.C and Liver (B) Heart, Kidney and R.B.C (C) Heart, Kidney and Liver (D) Heart, Lungs and Brain

Last Answer : Answer : B

The isoenzymes LDH5 is elevated in (A) Myocardial infarction (B) Peptic ulcer (C) Liver disease (D) Infectious diseases

Description : The isoenzymes LDH5 is elevated in (A) Myocardial infarction (B) Peptic ulcer (C) Liver disease (D) Infectious diseases

Last Answer : Answer : C

Zn is present as prosthetic group in this enzyme: (A) Carbonic anhydrase (B) Carboxy peptidase (C) Lactate dehydrogenase (D) All of these

Description : Zn is present as prosthetic group in this enzyme: (A) Carbonic anhydrase (B) Carboxy peptidase (C) Lactate dehydrogenase (D) All of these

Last Answer : Answer : D

Schardinger’s enzyme is (A) Lactate dehydrogenase (B) Xanthine dehydrogenase (C) Uric oxidase (D) L amino acid dehydrogenase

Description : Schardinger’s enzyme is (A) Lactate dehydrogenase (B) Xanthine dehydrogenase (C) Uric oxidase (D) L amino acid dehydrogenase

Last Answer : Answer : B

Which of the following is not having an apoenzyme and coenzyme? (A) Lactate dehydrogenase (B) Succinate dehydrogenase (C) Malate dehydrogenase (D) Pepsin

Description : Which of the following is not having an apoenzyme and coenzyme? (A) Lactate dehydrogenase (B) Succinate dehydrogenase (C) Malate dehydrogenase (D) Pepsin

Last Answer : Answer : D

Coenzymes derived from the vitamin shown below are required by which of the following enzymes? (A) Lactate dehydrogenase (B) Glutamate dehydrogenase (C) Pyruvate dehydrogenase (D) Malate dehydrogenase

Description : Coenzymes derived from the vitamin shown below are required by which of the following enzymes? (A) Lactate dehydrogenase (B) Glutamate dehydrogenase (C) Pyruvate dehydrogenase (D) Malate dehydrogenase

Last Answer : Answer : C

Which of the following is an allosteric enzyme? (A) Phosphohexose isomerase (B) Phosphotriose isomerase (C) Lactate dehydrogenase (D) Phosphofructokinase

Description : Which of the following is an allosteric enzyme? (A) Phosphohexose isomerase (B) Phosphotriose isomerase (C) Lactate dehydrogenase (D) Phosphofructokinase

Last Answer : Answer : D

Lactate dehydrogenase is a (A) Monomer (B) Dimer (C) Tetramer (D) Hexamer

Description : Lactate dehydrogenase is a (A) Monomer (B) Dimer (C) Tetramer (D) Hexamer

Last Answer : Answer : C

Lactate dehydrogenase is located in (A) Lysosomes (B) Mitochondria (C) Cytosol (D) Microsomes

Description : Lactate dehydrogenase is located in (A) Lysosomes (B) Mitochondria (C) Cytosol (D) Microsomes

Last Answer : Answer : C

Which of the following isoenzyme of lactate dehydrogenase is raised in serum in myocardial infarction: (A) LD1 (B) LD2 (C) LD1 and LD2 (D) LD5

Description : Which of the following isoenzyme of lactate dehydrogenase is raised in serum in myocardial infarction: (A) LD1 (B) LD2 (C) LD1 and LD2 (D) LD5

Last Answer : Answer : C

Serum lactate dehydrogenase rises in (A) Viral hepatitis (B) Myocardial infarction (C) Carcinomatosis (D) All of these

Description : Serum lactate dehydrogenase rises in (A) Viral hepatitis (B) Myocardial infarction (C) Carcinomatosis (D) All of these

Last Answer : Answer : D

Pyruvate dehydrogenase a multienzyme complex is required for the production of (A) Acetyl-CoA (B) Lactate (C) Phosphoenolpyruvate (D) Enolpyruvate

Description : Pyruvate dehydrogenase a multienzyme complex is required for the production of (A) Acetyl-CoA (B) Lactate (C) Phosphoenolpyruvate (D) Enolpyruvate

Last Answer : Answer : A

An example of functional plasma enzyme is (A) Lipoprotein lipase (B) Amylase (C) Aminotransferase (D) Lactate dehydrogenase

Description : An example of functional plasma enzyme is (A) Lipoprotein lipase (B) Amylase (C) Aminotransferase (D) Lactate dehydrogenase

Last Answer : Answer : A

An enzyme catalyzing oxidoreduction, using oxygen as hydrogen acceptor is (A) Cytochrome oxidase (B) Lactate dehydrogenase (C) Malate dehydrogenase (D) Succinate dehydrogenase

Description : An enzyme catalyzing oxidoreduction, using oxygen as hydrogen acceptor is (A) Cytochrome oxidase (B) Lactate dehydrogenase (C) Malate dehydrogenase (D) Succinate dehydrogenase

Last Answer : Answer : A

Example of an extracellular enzyme is (A) Lactate dehydrogenase (B) Cytochrome oxidase (C) Pancreatic lipase (D) Hexokinase

Description : Example of an extracellular enzyme is (A) Lactate dehydrogenase (B) Cytochrome oxidase (C) Pancreatic lipase (D) Hexokinase

Last Answer : Answer : C

Lactate dehydrogenase has how many iso-enzymes?

Description : Lactate dehydrogenase has how many iso-enzymes?

Last Answer : H4, H3M, H2M2, M3H and M4 varieties, forming five iso-enzymes. All these five forms are seen in all persons.

Lactate dehydrogenase has how many polypeptide subunits?

Description : Lactate dehydrogenase has how many polypeptide subunits? 

Last Answer : Four. It is a tetramer.

Which of the following techniques would be most useful in the differential diagnosis between ectopic Cushing's syndrome and pituitary dependent Cushing's disease. 1) Urine free cortisol 2) High dose Dexamethasone suppression test 3) ACTH concentrations 4) Inferior petrosal sinus sampling 5) CRF test

Description : Which of the following techniques would be most useful in the differential diagnosis between ectopic Cushing's syndrome and pituitary dependent Cushing's disease. 1) Urine free cortisol 2) ... Dexamethasone suppression test 3) ACTH concentrations 4) Inferior petrosal sinus sampling 5) CRF test

Last Answer : Answers-4 Inferior petrosal sinus sampling with an elevated central ACTH concentration compared with the peripheral value is the most valuable test in the differential diagnosis of either Cushing's disease or ectopic Cushing's syndrome. The other tests are far less useful in comparison.

Lactate dehydrogenase test?

Description : Lactate dehydrogenase test?

Last Answer : DefinitionThe lactate dehydrogenase (LDH) test measures the amount of LDH in the blood.See also: LDH isoenzymesAlternative NamesLDH test; Lactic acid dehydrogenase testHow the test is performedThe ... aspirin, clofibrate, fluorides, mithramycin, narcotics, and procainamide.Why the test is perfor

All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is (a) isocitrate dehydrogenase (b) malate dehydrogenase (c) succinate dehydrogenase (d) lactate dehydrogenase.

Description : All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is (a) isocitrate dehydrogenase (b) malate dehydrogenase (c) succinate dehydrogenase (d) lactate dehydrogenase.

Last Answer : (c) succinate dehydrogenase

The number of ATP molecules required to convert 2 molecules of lactate into glucose in mammalian liver is (A) 2 (B) 4 (C) 5 (D) 6

Description : The number of ATP molecules required to convert 2 molecules of lactate into glucose in mammalian liver is (A) 2 (B) 4 (C) 5 (D) 6

Last Answer : Answer : D

Cori’s cycle transfers (A) Glucose from muscles to liver (B) Lactate from muscles to liver (C) Lactate from liver to muscles (D) Pyruvate from liver to muscles

Description : Cori’s cycle transfers (A) Glucose from muscles to liver (B) Lactate from muscles to liver (C) Lactate from liver to muscles (D) Pyruvate from liver to muscles

Last Answer : B

Why lactate is transported from muscle to liver?

Description : Why lactate is transported from muscle to liver?

Last Answer : Oxygen is limited in muscle, so lactic acid could not be made to pyruvate in muscle. So, it is transported to liver, where it is made to pyruvate and then to glucose.

Which organ gets affected in Weirs disease? (1) Liver (2) Lung (3) Heart (4) Kidney

Description : Which organ gets affected in Weirs disease? (1) Liver (2) Lung (3) Heart (4) Kidney

Last Answer : (4) Kidney Explanation: Weil's disease is a severe form of leptospirosis, a type of infection caused by Leptospira bacteria. The classic form of severe leptospirosis is known as Weil's disease, which is characterized by liver damage (causing jaundice), kidney failure, and bleeding.

Which organ gets affected in Weil’s disease? (1) Liver (2) Lung (3) Heart (4) Kidney

Description : Which organ gets affected in Weil’s disease? (1) Liver (2) Lung (3) Heart (4) Kidney

Last Answer : Kidney

Hepatitis is a (1) heart disease (2) lung disease (3) liver disease (4) kidney disease

Description : Hepatitis is a (1) heart disease (2) lung disease (3) liver disease (4) kidney disease

Last Answer :  liver disease

The affected organ in Mc Ardle’s syndrome is (A) Liver (B) Kidney (C) Liver and Heart (D) Skeletal muscle

Description : The affected organ in Mc Ardle’s syndrome is (A) Liver (B) Kidney (C) Liver and Heart (D) Skeletal muscle

Last Answer : Answer : D

Ketone bodies are formed in (A) Kidney (B) Liver (C) Heart (D) Intestines

Description : Ketone bodies are formed in (A) Kidney (B) Liver (C) Heart (D) Intestines

Last Answer : Answer : B

Urea synthesis takes place in (A) Blood (B) Liver (C) Kidney (D) Heart

Description : Urea synthesis takes place in (A) Blood (B) Liver (C) Kidney (D) Heart

Last Answer : Answer : B

An organ which is extremely sensitive to ammonia toxicity is (A) Liver (B) Brain (C) Kidney (D) Heart

Description : An organ which is extremely sensitive to ammonia toxicity is (A) Liver (B) Brain (C) Kidney (D) Heart

Last Answer : Answer : B

LDH assays are most useful in diagnosing diseases of the (A) Heart (B) Pancreas (C) Brain (D) Kidney

Description : LDH assays are most useful in diagnosing diseases of the (A) Heart (B) Pancreas (C) Brain (D) Kidney

Last Answer : Answer : A

Creatine phosphokinase isoenzyme is a marker for (A) Kidney disease (B) Liver disease (C) Myocardial infarction (D) None of these

Description : Creatine phosphokinase isoenzyme is a marker for (A) Kidney disease (B) Liver disease (C) Myocardial infarction (D) None of these

Last Answer : Answer : C

LDH1 and LDH2 are elevated in (A) Myocardial infarction (B) Liver disease (C) Kidney disease (D) Brain disease

Description : LDH1 and LDH2 are elevated in (A) Myocardial infarction (B) Liver disease (C) Kidney disease (D) Brain disease

Last Answer : Answer : A

Alcohol dehydrogenase from liver contains (A) Sodium (B) Copper (C) Zinc (D) Magnesium

Description : Alcohol dehydrogenase from liver contains (A) Sodium (B) Copper (C) Zinc (D) Magnesium

Last Answer : Answer : C

Conversion of glucose to glucose-6- phosphate in human liver is by (A) Hexokinase only (B) Glucokinase only (C) Hexokinase and glucokinase (D) Glucose-6-phosphate dehydrogenase

Description : Conversion of glucose to glucose-6- phosphate in human liver is by (A) Hexokinase only (B) Glucokinase only (C) Hexokinase and glucokinase (D) Glucose-6-phosphate dehydrogenase

Last Answer : C

The most useful test for the diagnosis of acute hemorrhagic pancreatitis during the first few days is (A) Urinary lipase test (B) Serum calcium (C) Urinary amylase (D) Serum amylase

Description : The most useful test for the diagnosis of acute hemorrhagic pancreatitis during the first few days is (A) Urinary lipase test (B) Serum calcium (C) Urinary amylase (D) Serum amylase

Last Answer : Answer : D

Calcitriol synthesis involves (A) Both liver and kidney (B) Intestine (C) Adipose tissue (D) Muscle

Description : Calcitriol synthesis involves (A) Both liver and kidney (B) Intestine (C) Adipose tissue (D) Muscle

Last Answer : Answer : A

All the isoenzymes function with the coenzyme: (A) NADP+ (B) FAD (C) Lipoate (D) NAD+

Description : All the isoenzymes function with the coenzyme: (A) NADP+ (B) FAD (C) Lipoate (D) NAD+

Last Answer : Answer : D

Multiple forms of the same enzymes are known as (A) Zymogens (B) Isoenzymes (C) Proenzymes (D) Pre-enzymes

Description : Multiple forms of the same enzymes are known as (A) Zymogens (B) Isoenzymes (C) Proenzymes (D) Pre-enzymes

Last Answer : Answer : B

Different isoenzymes of an enzyme have the same (A) Amino acid sequence (B) Michaelis constant (C) Catalytic activity (D) All of these

Description : Different isoenzymes of an enzyme have the same (A) Amino acid sequence (B) Michaelis constant (C) Catalytic activity (D) All of these

Last Answer : Answer : C

The CK isoenzymes present in cardiac muscle is (A) BB and MB (B) MM and MB (C) BB only (D) MB only

Description : The CK isoenzymes present in cardiac muscle is (A) BB and MB (B) MM and MB (C) BB only (D) MB only

Last Answer : Answer : B

The isoenzymes of LDH (A) Differ only in a single amino acid (B) Differ in catalytic activity (C) Exist in 5 forms depending on M and H monomer contents (D) Occur as monomers

Description : The isoenzymes of LDH (A) Differ only in a single amino acid (B) Differ in catalytic activity (C) Exist in 5 forms depending on M and H monomer contents (D) Occur as monomers

Last Answer : Answer : C

Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction

Description : Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction

Last Answer : Answer : B

Isoenzymes are (A) Chemically, immunologically and electrophoretically different forms of an enzyme (B) Different forms of an enzyme similar in all properties (C) Catalysing different reactions (D) Having the same quaternary structures like the enzymes

Description : Isoenzymes are (A) Chemically, immunologically and electrophoretically different forms of an enzyme (B) Different forms of an enzyme similar in all properties (C) Catalysing different reactions (D) Having the same quaternary structures like the enzymes

Last Answer : Answer : A

Isoenzymes for a given reaction (A) Have different spedificities (B) Have identical affinities for the same substrate (C) Exhibit different electrophoretic motilities (D) Contain similar ratios of different polypeptide chains

Description : Isoenzymes for a given reaction (A) Have different spedificities (B) Have identical affinities for the same substrate (C) Exhibit different electrophoretic motilities (D) Contain similar ratios of different polypeptide chains

Last Answer : Answer : B

Should I take pressure medication ? Especially 22-30 years ? I am 23 years old. A few days ago , my blood pressure suddenly became 180/100. Kidney , heart , liver test was normal . I took medicine for three months. I have not taken any medicine for last 15 days. I ate everything. I didn't maintain it. Will I take pressure medication ? Share if you have any experience ?

Description : Should I take pressure medication ? Especially 22-30 years ? I am 23 years old. A few days ago , my blood pressure suddenly became 180/100. Kidney , heart , liver test was normal . I took ... everything. I didn't maintain it. Will I take pressure medication ? Share if you have any experience ?

Last Answer : Since you have been taking medicine for the last 3 months, now if you feel well for 15 days, then stop taking the medicine and you will not have to take it. And now that your blood pressure is normal, ... for the next 1 month, if you have high BP again, take the medicine on the advice of the doctor.

Match the columns `{:(,"Column I",,"Column II"),(a,"Bicuspid valve",p,"Brain"),(b,"Nephron",q,"Liver"),(c,"Alveoli",r,"Heart"),(d,"Cerebrum",s,"Kidney

Description : Match the columns `{:(,"Column I",,"Column II"),(a,"Bicuspid valve",p,"Brain"),(b,"Nephron",q,"Liver"),(c,"Alveoli",r,"Heart"),(d,"Cerebrum",s,"Kidney

Last Answer : Match the columns `{:(,"Column I",,"Column II"),(a,"Bicuspid valve",p,"Brain"),(b,"Nephron",q,"Liver"),(c,"Alveoli" ... ,c-t,d-p` D. `a-s,b-q,c-p,d-t`

Dialysis is used for a patient suffering from (a) Kidney trouble (b) Liver trouble (c) Lung trouble (d) Heart trouble

Description : Dialysis is used for a patient suffering from (a) Kidney trouble (b) Liver trouble (c) Lung trouble (d) Heart trouble

Last Answer : Ans:(a)

Pleura is the covering of – (1) Lung (2) Liver (3) Kidney (4) Heart

Description : Pleura is the covering of – (1) Lung (2) Liver (3) Kidney (4) Heart

Last Answer : (1) Lung Explanation: Pleura is a large, thin sheet of tissue that wraps around the outside of lungs. It is an exceedingly delicate serous membrane that is arranged in the form of a closed invaginated sac. The pleura are only visible when there is an abnormality present.