Deficiency of vitamin B12 can be diagonised by (A) Carr-Price reaction (B) Ames assay (C) Watson-Schwartz test (D) Schilling test

Deficiency of vitamin B12 can be diagonised by (A) Carr-Price reaction (B) Ames assay (C) Watson-Schwartz test (D) Schilling test
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Deficiency of vitamin B12 can be diagonised by (A) Carr-Price reaction (B) Ames assay (C) Watson-Schwartz test (D) Schilling test

Description : Deficiency of vitamin B12 can be diagonised by (A) Carr-Price reaction (B) Ames assay (C) Watson-Schwartz test (D) Schilling test

Last Answer : (D) Schilling test

Ames assay is a rapid method for detection of (A) Oncoviruses (B) Retroviuses (C) Chemical carcinogens (D) Typhoid

Description : Ames assay is a rapid method for detection of (A) Oncoviruses (B) Retroviuses (C) Chemical carcinogens (D) Typhoid

Last Answer : Answer : C

In Ames’ assay, liver homogenate is included in the culture medium because (A) It converts pro-carcinogens into carcinogens (B) Liver can metabolise histidine (C) Salmonella mainly infects liver (D) Liver is very susceptible to cancer

Description : In Ames’ assay, liver homogenate is included in the culture medium because (A) It converts pro-carcinogens into carcinogens (B) Liver can metabolise histidine (C) Salmonella mainly infects liver (D) Liver is very susceptible to cancer

Last Answer : Answer : A

In Ames’ assay, addition of a carcinogen to the culture medium allows S. typhimurium to grow (A) In the presence of histidine (B) In the presence of arginine (C) In the absence of histidine (D) In the absence of arginine

Description : In Ames’ assay, addition of a carcinogen to the culture medium allows S. typhimurium to grow (A) In the presence of histidine (B) In the presence of arginine (C) In the absence of histidine (D) In the absence of arginine

Last Answer : Answer : C

Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Description : Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Last Answer : Answer : A

Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Description : Carr-Price reaction is used to detect (A) Vitamin A (B) Vitamin D (C) Ascorbic acid (D) Vitamin E

Last Answer : (C) Ascorbic acid

A biochemical indication of vitamin B12 deficiency can be obtained by measuring the urinary excretion of (A) Pyruvic acid (B) Malic acid (C) Methyl malonic acid (D) Urocanic acid

Description : A biochemical indication of vitamin B12 deficiency can be obtained by measuring the urinary excretion of (A) Pyruvic acid (B) Malic acid (C) Methyl malonic acid (D) Urocanic acid

Last Answer : Answer : C

Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Description : Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Description : Methyl malonic aciduria is seen in a deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

A deficiency of vitamin B12 causes (A) Cheliosis (B) Beriberi (C) Pernicious anemia (D) Scurvy

Description : A deficiency of vitamin B12 causes (A) Cheliosis (B) Beriberi (C) Pernicious anemia (D) Scurvy

Last Answer : Answer : C

Methyl malonic aciduria is seen in the deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Description : Methyl malonic aciduria is seen in the deficiency of (A) Vitamin B6 (B) Folic acid (C) Thiamine (D) Vitamin B12

Last Answer : Answer : D

The deficiency of Vitamin B12 leads to (A) Pernicious anaemia (B) Megablastic anaemia (C) Both (A) and (B) (D) None of these

Description : The deficiency of Vitamin B12 leads to (A) Pernicious anaemia (B) Megablastic anaemia (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

Laboratory diagnosis of vitamin B12 deficiency can be made by measuring the urinary excretion of (A) Xanthurenic acid (B) Formiminoglutamic acid (C) Methylmalonic acid (D) Homogentisic acid

Description : Laboratory diagnosis of vitamin B12 deficiency can be made by measuring the urinary excretion of (A) Xanthurenic acid (B) Formiminoglutamic acid (C) Methylmalonic acid (D) Homogentisic acid

Last Answer : Answer : C

Deficiency of vitamin B12 can occur because of (A) Decreased intake of vitamin B12 (B) Atrophy of gastric mucosa (C) Intestinal malabsorption (D) All of these

Description : Deficiency of vitamin B12 can occur because of (A) Decreased intake of vitamin B12 (B) Atrophy of gastric mucosa (C) Intestinal malabsorption (D) All of these

Last Answer : Answer : D

Vitamin B12 deficiency can be diagnosed by urinary excretion of (A) Pyruvate (B) Methylmalonate (C) Malate (D) Lactate

Description : Vitamin B12 deficiency can be diagnosed by urinary excretion of (A) Pyruvate (B) Methylmalonate (C) Malate (D) Lactate

Last Answer : Answer : B

A deficiency of vitamin B12 causes (A) Beri-Beri (B) Scurvy (C) Perniciuos anemia (D) Ricket

Description : A deficiency of vitamin B12 causes (A) Beri-Beri (B) Scurvy (C) Perniciuos anemia (D) Ricket

Last Answer : Answer : C

Epileptiform convulsion in human infants have been attributed to the deficiency of the vitamin (A) B1 (B) B2 (C) B6 (D) B12

Description : Epileptiform convulsion in human infants have been attributed to the deficiency of the vitamin (A) B1 (B) B2 (C) B6 (D) B12

Last Answer : Answer : C

The absorption of glucose is decreased by the deficiency of (A) Vitamin A (B) Vitamin D (C) Thiamine (D) Vitamin B12

Description : The absorption of glucose is decreased by the deficiency of (A) Vitamin A (B) Vitamin D (C) Thiamine (D) Vitamin B12

Last Answer : Answer : C

Schilling test?

Description : Schilling test?

Last Answer : DefinitionThe Schilling test is used to determine whether the body absorbs vitamin B12normally.Alternative NamesVitamin B12 absorption testHow the test is performedThis test may be performed in four different stages to find the ... Stage II may be done 3 - 7 days later.Stage II: You are given radio

Will medicare pay for Vitamin B12 shots I have a severe deficiency and dr. ordered these shots.?

Description : Will medicare pay for Vitamin B12 shots I have a severe deficiency and dr. ordered these shots.?

Last Answer : No because they do not recognize the benefits of the Vitamin B12 shots.

Disease caused due to deficiency of vitamin B12

Description : Disease caused due to deficiency of vitamin B12

Last Answer : Ans. Pernicious anaemia

Pernicious anaemia in humans is caused by the deficiency of (a) Pyridoxine (Vitamin B6) (b) Cyanocobalamin (Vitamin B12) (c) Thiamine (Vitamin B1) (d) Pantothenic acid (Vitamin B5)

Description : Pernicious anaemia in humans is caused by the deficiency of (a) Pyridoxine (Vitamin B6) (b) Cyanocobalamin (Vitamin B12) (c) Thiamine (Vitamin B1) (d) Pantothenic acid (Vitamin B5)

Last Answer : Ans:(b)

The disease Beni Beni is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Description : The disease Beni Beni is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Last Answer : (2) Vitamin B1 Explanation: Beriberi is a disease caused by a vitamin B1 (thiamine) deficiency. There are two types of the disease: wet beriberi and dry beriberi. Wet beriberi affects the heart ... -beri damages the nerves and can lead to a loss of muscle strength and eventually, muscle paralysis.

The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Description : The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Last Answer : (2) Vitamin B1 Explanation: Beriberi is a disease caused by a vitamin B1 (thiamine) deficiency. There are two types of the disease: wet beriberi and dry beriberi.

Which vitamin deficiency causes the disease, Pernicious anaemia? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

Description : Which vitamin deficiency causes the disease, Pernicious anaemia? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

Last Answer : (2) Vitamin B12 Explanation: Pernicious anemia is one of many types of the larger family of megaloblastic anemias. It is caused by loss of gastric parietal cells which are responsible, in ... secretion of intrinsic factor, a protein essential for subsequent absorption of vitamin B12 in the ileum.

Too much consumption of tea or coffee can result in deficiency of – (1) Vitamin B12 (2) Calcium (3) Vitamin C (4) Albumin

Description : Too much consumption of tea or coffee can result in deficiency of – (1) Vitamin B12 (2) Calcium (3) Vitamin C (4) Albumin

Last Answer : (2) Calcium

Diphyllobothrium latum causes megaloblastic anaemia due to deficiency of vitamin B A. A12 B. B12 C. C D. D

Description : Diphyllobothrium latum causes megaloblastic anaemia due to deficiency of vitamin B A. A12 B. B12 C. C D. D

Last Answer : B12

Vitamin B12 deficiency causes: a. optic atrophy b. papilloedema c. centrocecal scotoma d. loss of position sense

Description : Vitamin B12 deficiency causes: a. optic atrophy b. papilloedema c. centrocecal scotoma d. loss of position sense

Last Answer : loss of position sense

Vitamin B12: a. is essential for the metabolism of folic acid in the humans b. is attached to a glycoprotein in the circulation c. its deficiency is characterized by hypersegmentation of the neutrophils d. all above

Description : Vitamin B12: a. is essential for the metabolism of folic acid in the humans b. is attached to a glycoprotein in the circulation c. its deficiency is characterized by hypersegmentation of the neutrophils d. all above

Last Answer : all above

The haemorrhagic disease of new born is caused due to the deficiency of (a) vitamin K (b) vitamin B12 (c) vitamin A (d) vitamin B1.

Description : The haemorrhagic disease of new born is caused due to the deficiency of (a) vitamin K (b) vitamin B12 (c) vitamin A (d) vitamin B1.

Last Answer : (a) vitamin K

The percentage of patients over the age of 70 admitted to the hospital with delirium is about a) 25%. About 25% of patients over the age of 70 admitted to the hospital have delirium. The cause is often reversible and treatable (as in drug toxicity, vitamin B12 deficiency or thyroid disease) or chronic and irreversible. Depression may produce impairment of attention and memory.

Description : The percentage of patients over the age of 70 admitted to the hospital with delirium is about a) 25%. About 25% of patients over the age of 70 admitted to the hospital have delirium. The cause is ... delirium. d) 50%. About 25% of patients over the age of 70 admitted to the hospital have delirium.

Last Answer : a) 25%. About 25% of patients over the age of 70 admitted to the hospital have delirium. The cause is often reversible and treatable (as in drug toxicity, vitamin B12 deficiency or thyroid disease) or chronic and irreversible. Depression may produce impairment of attention and memory.

Decrease in absorption of which of the following vitamins in the geriatric patient results in pernicious anemia? a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for absorption. b) C Lack of vitamin C may cause development of signs and symptoms of scurvy. c) D Vitamin D deficiency results in an inability to absorb calcium. d) B6 Vitamin B6 affects neuromuscular function.

Description : Decrease in absorption of which of the following vitamins in the geriatric patient results in pernicious anemia? a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for ... results in an inability to absorb calcium. d) B6 Vitamin B6 affects neuromuscular function.

Last Answer : a) B12 Vitamin B12 requires the intrinsic factor secreted by the gastric mucosa for absorption.

Patient with macrocytic anemia without megaloblast. What’s the most likely diagnosis: a. Folic acid b. Vitamin B12 deficiency c. Alcoholism

Description : Patient with macrocytic anemia without megaloblast. What’s the most likely diagnosis: a. Folic acid b. Vitamin B12 deficiency c. Alcoholism

Last Answer : c. Alcoholism

A patient of megaloblastic anaemia was treated with oral folic acid 5 mg daily. After 2 weeks he reported back with cognitive deficit, sensory disturbance, depressed knee jerk, while blood picture and haemoglobin level were improved. What could be the most likely explanation: A. Folic acid was not adequately absorbed resulting in partial response B. Folate therapy has precipitated vitamin B12 deficiency in the neural tissue C. Folate therapy has unmasked pyridoxine deficiency D. Patient has folate reductase abnormality in the nervous system

Description : A patient of megaloblastic anaemia was treated with oral folic acid 5 mg daily. After 2 weeks he reported back with cognitive deficit, sensory disturbance, depressed knee jerk, while ... therapy has unmasked pyridoxine deficiency D. Patient has folate reductase abnormality in the nervous system

Last Answer : D. Patient has folate reductase abnormality in the nervous system

Megaloblastic anaemia developing under the following condition is due entirely to folate deficiency not associated with vitamin B12 deficiency: A. Malnutrition B. Blind loop syndrome C. Phenytoin therapy D. Pregnancy

Description : Megaloblastic anaemia developing under the following condition is due entirely to folate deficiency not associated with vitamin B12 deficiency: A. Malnutrition B. Blind loop syndrome C. Phenytoin therapy D. Pregnancy

Last Answer : C. Phenytoin therapy

A 60-year-old patient presented with anorexia, weakness, paresthesia and mental changes. His tongue was red, tendon reflexes were diminished, haemoglobin was 6 g% with large red cells and neutrophils had hypersegmented nuclei. Endoscopy revealed atrophic gastritis. Deficiency of which factor is likely to be responsible for his condition: A. Folic acid B. Vitamin B12 C. Pyridoxine D. Riboflavin

Description : A 60-year-old patient presented with anorexia, weakness, paresthesia and mental changes. His tongue was red, tendon reflexes were diminished, haemoglobin was 6 g% with large red cells and neutrophils had ... be responsible for his condition: A. Folic acid B. Vitamin B12 C. Pyridoxine D. Riboflavin

Last Answer : B. Vitamin B12

Megaloblastic anaemia occurs in: A. Vitamin B12 but not folic acid deficiency B. Folic acid but not Vitamin B12 deficiency C. Either Vitamin B12 or folic acid deficiency D. Only combined Vitamin B12 + folic acid deficiency

Description : Megaloblastic anaemia occurs in: A. Vitamin B12 but not folic acid deficiency B. Folic acid but not Vitamin B12 deficiency C. Either Vitamin B12 or folic acid deficiency D. Only combined Vitamin B12 + folic acid deficiency

Last Answer : C. Either Vitamin B12 or folic acid deficiency

The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Description : The disease Beri Beri is caused due to the deficiency of which of the following? (1) Vitamin B2 (2) Vitamin B1 (3) Vitamin B12 (4) Vitamin E

Last Answer : Vitamin B1 

Which vitamin deficiency causes the disease, Pernicious anaemia ? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

Description : Which vitamin deficiency causes the disease, Pernicious anaemia ? (1) Vitamin B5 (2) Vitamin B12 (3) Vitamin B6 (4) Vitamin C

Last Answer : Vitamin B12

Scurvy is a disease which is caused due to the deficiency of vitamin (1) A (2) K (3) C (4) B12

Description : Scurvy is a disease which is caused due to the deficiency of vitamin (1) A (2) K (3) C (4) B12

Last Answer : C

The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12

Description : The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12

Last Answer : Answer : C

The is used to determine an antibiotic‘s minimal inhibitory concentration (NEC). a. Ames test b. tube dilution method c. agar disk diffusion method d. Kirby-Bauer test

Description : The is used to determine an antibiotic‘s minimal inhibitory concentration (NEC). a. Ames test b. tube dilution method c. agar disk diffusion method d. Kirby-Bauer test

Last Answer : b. tube dilution method

The Ames test is an effective procedure for a. Identifying disease-causing bacterial species. b. Detecting potential human carcinogens. c. Determining if DNA replication has occurred. d. Detecting antibiotic resistance.

Description : The Ames test is an effective procedure for a. Identifying disease-causing bacterial species. b. Detecting potential human carcinogens. c. Determining if DNA replication has occurred. d. Detecting antibiotic resistance.

Last Answer : b. Detecting potential human carcinogens.

The Ames test is used toa. Identify Potential Human Carcinogens. b. Discover Auxotrophic Mutants. c. Find Pathogenic Bacterial Species. d. Identify Antibiotic Resistant Mutants.

Description : The Ames test is used to a. Identify Potential Human Carcinogens. b. Discover Auxotrophic Mutants. c. Find Pathogenic Bacterial Species. d. Identify Antibiotic Resistant Mutants.

Last Answer : a. Identify Potential Human Carcinogens.

Allen Schwartz Oscar Dresses?

Description : Allen Schwartz Oscar Dresses?

Last Answer : Allen Schwartz Oscar dresses are inspired by the gowns worn bycelebrities during the Oscars. Although not identical to thedesigner versions, these knock-offs capture the look and feel ofthe originals for a ... dress inspired by the one Sandra Bullock wore is a goldencolor full-length dress with a

The presence of Cobalt in Vitamin B12 was established for the first time by – (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Description : The presence of Cobalt in Vitamin B12 was established for the first time by – (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : (2) Spectroscopy Explanation: Atomic absorption spectroscopy is an analytical chemistry technique used for determining concentration of particular metal element and is widely used in pharmaceutics. It was used for the determination of cobalt in Vitamin B12.

The presence of Cobalt in Vitamin B12 was established for the first time by (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Description : The presence of Cobalt in Vitamin B12 was established for the first time by (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : Spectroscopy

The metabolic reaction requiring vitamin B12 but not folate is: A. Conversion of malonic acid to succinic acid B. Conversion of homocysteine to methionine C. Conversion of serine to glycine D. Thymidylate synthesis

Description : The metabolic reaction requiring vitamin B12 but not folate is: A. Conversion of malonic acid to succinic acid B. Conversion of homocysteine to methionine C. Conversion of serine to glycine D. Thymidylate synthesis

Last Answer : A. Conversion of malonic acid to succinic acid

Calcium absorption is inferred by (A) Fatty acids (B) Amino acids (C) Vitamin D (D) Vitamin B12

Description : Calcium absorption is inferred by (A) Fatty acids (B) Amino acids (C) Vitamin D (D) Vitamin B12

Last Answer : Answer : A

Cobalt is a constituent of (A) Folic acid (B) Vitamin B12 (C) Niacin (D) Biotin

Description : Cobalt is a constituent of (A) Folic acid (B) Vitamin B12 (C) Niacin (D) Biotin

Last Answer : Answer : B