Vitamin D absorption is increased in (A) Acid pH of intestine (B) Alkaline pH of intestine (C) Impaired fat absorption (D) Contents of diet

Vitamin D absorption is increased in (A) Acid pH of intestine (B) Alkaline pH of intestine (C) Impaired fat absorption (D) Contents of diet
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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 due to increased release of the enzyme from liver cells (C) Bile salts may enter systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin

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

Last Answer : Answer : B

Calcium absorption is interfered by (A) Protein in diet (B) Phytic acid in cereals (C) Alkaline intestinal pH (D) Vitamin D

Description : Calcium absorption is interfered by (A) Protein in diet (B) Phytic acid in cereals (C) Alkaline intestinal pH (D) Vitamin D

Last Answer : Answer : B

The absorption of glucose in the digestive tract (A) Occurs in the small intestine (B) Is stimulated by the hormone Glucagon (C) Occurs more rapidly than the absorption of any other sugar (D) Is impaired in cases of diabetes mellitus

Description : The absorption of glucose in the digestive tract (A) Occurs in the small intestine (B) Is stimulated by the hormone Glucagon (C) Occurs more rapidly than the absorption of any other sugar (D) Is impaired in cases of diabetes mellitus

Last Answer : A

Absorption of calcium is increased on a (A) High protein diet (B) Low protein diet (C) High fat diet (D) Low fat diet

Description : Absorption of calcium is increased on a (A) High protein diet (B) Low protein diet (C) High fat diet (D) Low fat diet

Last Answer : Answer : A

Absorption of phosphorous from diet is favoured by (A) Moderate amount of fat (B) Acidic environment (C) High calcium content (D) High phytic acid

Description : Absorption of phosphorous from diet is favoured by (A) Moderate amount of fat (B) Acidic environment (C) High calcium content (D) High phytic acid

Last Answer : Answer : B

Chief function of large intestine is (a) Absorption of fat (b) Absorption of salts (c) Absorption of minerals (d) Absorption of water

Description : Chief function of large intestine is (a) Absorption of fat (b) Absorption of salts (c) Absorption of minerals (d) Absorption of water

Last Answer : (d) Absorption of water

What vitamin does Intrinsic factor facilitates its absorption from the small intestine?

Description : What vitamin does Intrinsic factor facilitates its absorption from the small intestine?

Last Answer : Need answer

Calcium absorption is increased by (A) Vitamin D (B) Vitamin C (C) Vitamin K (D) Vitamin E

Description : Calcium absorption is increased by (A) Vitamin D (B) Vitamin C (C) Vitamin K (D) Vitamin E

Last Answer : Answer : A

Acromegaly results in all the following except (A) Overgrowth of the bones of face, hands and feet (B) Increased stature (C) Enlargements of viscera (D) Impaired glucose tolerance

Description : Acromegaly results in all the following except (A) Overgrowth of the bones of face, hands and feet (B) Increased stature (C) Enlargements of viscera (D) Impaired glucose tolerance

Last Answer : Answer : B

Increased serum alanine during fasting is due to (A) Breakdown of muscle proteins (B) Decreased utilization of non essential amino acids (C) Leakage of aminoacids to plasma (D) Impaired renal function

Description : Increased serum alanine during fasting is due to (A) Breakdown of muscle proteins (B) Decreased utilization of non essential amino acids (C) Leakage of aminoacids to plasma (D) Impaired renal function

Last Answer : Answer : A

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

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.)

Surgical removal of Gall bladder in man would lead to (a) lmpairment of digestion of fat (b) Jaundice (c) Increased acidity in intestine {d) None of the above

Description : Surgical removal of Gall bladder in man would lead to (a) lmpairment of digestion of fat (b) Jaundice (c) Increased acidity in intestine {d) None of the above

Last Answer : (a) lmpairment of digestion of fat

Intestinal absorption of magnesium is increased in (A) Calcium deficient diet (B) High calcium diet (C) High oxalate diet (D) High phytate diet

Description : Intestinal absorption of magnesium is increased in (A) Calcium deficient diet (B) High calcium diet (C) High oxalate diet (D) High phytate diet

Last Answer : Answer : A

The requirement of vitamin E is increased with greater intake of (A) Carbohydrates (B) Proteins (C) Polyunsaturated fat (D) Saturated fat

Description : The requirement of vitamin E is increased with greater intake of (A) Carbohydrates (B) Proteins (C) Polyunsaturated fat (D) Saturated fat

Last Answer : Answer : C

The essential amino acids (A) must be supplied in the diet because the organism has lost the capacity to aminate the corresponding ketoacids (B) must be supplied in the diet because the human has an impaired ability to synthesize the carbon chain of the corresponding ketoacids (C) are identical in all species studied (D) are defined as these amino acids which cannot be synthesized by the organism at a rate adequate to meet metabolic requirements

Description : The essential amino acids (A) must be supplied in the diet because the organism has lost the capacity to aminate the corresponding ketoacids (B) must be supplied in the diet because the ... amino acids which cannot be synthesized by the organism at a rate adequate to meet metabolic requirements

Last Answer : Answer : B

The essential amino acids (A) Must be supplied in the diet because the organism has lost the capacity to aminate the corresponding ketoacids (B) Must be supplied in the diet because the human has an impaired ability to synthesize the carbon chain of the corresponding ketoacids (C) Are identical in all species studied (D) Are defined as those amino acids which cannot be synthesized by the organism at a rate adequate to meet metabolic requirements

Description : The essential amino acids (A) Must be supplied in the diet because the organism has lost the capacity to aminate the corresponding ketoacids (B) Must be supplied in the diet because the ... amino acids which cannot be synthesized by the organism at a rate adequate to meet metabolic requirements

Last Answer : Answer : B

Calcitriol facilitates calcium absorption by increasing the synthesis of the following in intestinal mucosa: (A) Calcium Binding Protein (B) Alkaline Phosphatase (C) Calcium-dependent ATPase (D) All of these

Description : Calcitriol facilitates calcium absorption by increasing the synthesis of the following in intestinal mucosa: (A) Calcium Binding Protein (B) Alkaline Phosphatase (C) Calcium-dependent ATPase (D) All of these

Last Answer : Answer : D

In the intestine the rate of absorption is highest for (A) Glucose and galactose (B) Fructose and mannose (C) Fructose and pentose (D) Mannose and pentose

Description : In the intestine the rate of absorption is highest for (A) Glucose and galactose (B) Fructose and mannose (C) Fructose and pentose (D) Mannose and pentose

Last Answer : Answer : A

The rate of absorption of sugars in intestine is highest for which monosaccharide?

Description : The rate of absorption of sugars in intestine is highest for which monosaccharide? 

Last Answer : Absorption rate of galactose is more than glucose, while fructose is absorbed at a lesser rate than glucose.

A 16-year-old boy suffers a mid-gut volvulus with massive loss of small intestine. Which of the following statement(s) is/are true concerning his nutritional requirements and management? a. If at least 18 inches of residual small intestine survives, the patient may tolerate some form of enteral nutrition b. A nutritional regimen consisting of supplemental glutamine, growth hormone, and a modified high carbohydrate, low fat diet may be beneficial in this patient c. The regimen described above may decrease the cost of care d. TPN needs will increase after discontinuation of growth hormone

Description : A 16-year-old boy suffers a mid-gut volvulus with massive loss of small intestine. Which of the following statement(s) is/are true concerning his nutritional requirements and management? a. If ... above may decrease the cost of care d. TPN needs will increase after discontinuation of growth hormone

Last Answer : Answer: a, b, c Prior to the availability of TPN, most patients developing short bowel syndrome from either surgery or catastrophic event died. In selected patients, however, with ... the growth hormone did not increase TPN needs in patients once they had undergone successful gut rehabilitation

The following is true of aluminium hydroxide gel except: A. It is a weak and slowly reacting antacid B. Its acid neutralizing capacity decreases on storage C. It interferes with absorption of phosphate in the intestine D. It causes loose motions as a side effect

Description : The following is true of aluminium hydroxide gel except: A. It is a weak and slowly reacting antacid B. Its acid neutralizing capacity decreases on storage C. It interferes with absorption of phosphate in the intestine D. It causes loose motions as a side effect

Last Answer : D. It causes loose motions as a side effec

A diet containing this fat is helpful in lowering the blood cholesterol level. (A) Unsaturated (B) Saturated (C) Vitamin enriched (D) Refined

Description : A diet containing this fat is helpful in lowering the blood cholesterol level. (A) Unsaturated (B) Saturated (C) Vitamin enriched (D) Refined

Last Answer : Answer : A

Coming from the acid pH of the stomach which pH level does the chyme find when it enters the duodenum? Why is it necessary to maintain that pH level in the small intestine? What are the organs responsible for that pH level and how is it kept?

Description : Coming from the acid pH of the stomach which pH level does the chyme find when it enters the duodenum? Why is it necessary to maintain that pH level in the small intestine? What are the organs responsible for that pH level and how is it kept?

Last Answer : Entering the duodenum the chyme meets the pancreatic juice under a pH of approximately 8.5. The neutralization of the chyme acidity is necessary to keep adequate pH level for the functioning of the ... chyme acidity; this acidity is also neutralized by the secretion of bile in the duodenal lumen.

The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the mouth pH and it has an important role of having IgA antibodies (also present in tears, colostrum, mother’s milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.

Description : The saliva pH is approximately 6.8. It is thus a slightly acid pH. Saliva lubricates the food bolus and initiates the enzymatic extracellular digestion of food. It also works as a buffer for the ... 's milk and in the mucosae of the intestine and airways) that protect the organism against pathogens.

Last Answer : What is the salivary digestive enzyme? Which type of food does it digest and into which smaller molecules does it transform the food?

The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. all above

Description : The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. all above

Last Answer : all above

The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. is increased by heparin

Description : The prothrombin time a. assess the extrinsic pathway of the blood coagulation cascade b. is prolonged in patients with fat absorption c. is increased by warfarin d. is increased by heparin

Last Answer : assess the extrinsic pathway of the blood coagulation cascade

Absorption of Vitamin B12 requires the presence of (A) Pepsin (B) Hydrochloric acid (C) Intrinsic factor (D) Boh (B) and (C)

Description : Absorption of Vitamin B12 requires the presence of (A) Pepsin (B) Hydrochloric acid (C) Intrinsic factor (D) Boh (B) and (C)

Last Answer : Answer : D

The Instrinisic Factor (HCl and mucoproteins) present in the gastric juice help in the absorption of (A) Vitamin B2 (B) Tocopherols (C) Folic acid (D) Vitmain B12

Description : The Instrinisic Factor (HCl and mucoproteins) present in the gastric juice help in the absorption of (A) Vitamin B2 (B) Tocopherols (C) Folic acid (D) Vitmain B12

Last Answer : Answer : D

A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. Synthesis of prostacyclin and prevents platelet aggregation C. Synthesis of prostaglandin and prevents production of blood platelets D. Thrombin and prevents formation of the fibrin network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Description : A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. ... network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Last Answer : A. Synthesis of thromboxane A2 and prevents platelet aggregation

Serum alkaline phosphatase is greatly increased in (A) Haemolytic jaundice (B) Hepatic jaundice (C) Obstructive jaundice (D) None of these

Description : Serum alkaline phosphatase is greatly increased in (A) Haemolytic jaundice (B) Hepatic jaundice (C) Obstructive jaundice (D) None of these

Last Answer : Answer : C

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) Increased serum alkaline phosphatase and decreased levels of LDH and ALT (D) Decreased serum alkaline phosphatase and increased serum LDH and ALT

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

Last Answer : Answer : D

Polymyalgia rheumatica associated with 1) raised creatinine kinase 2) increased alkaline phosphotase 3) sudden loss of vision in one eye 4) shoulder and pelvic girdle pain in 40 year old man 5) erythema nodosum

Description : Polymyalgia rheumatica associated with 1) raised creatinine kinase 2) increased alkaline phosphotase 3) sudden loss of vision in one eye 4) shoulder and pelvic girdle pain in 40 year old man 5) erythema nodosum

Last Answer : Answers-2 Liver enzymes elevated in most patients. Visual disturbances suggestive of temporal arteritis, due to ischaemic changes in ciliary arteries (optic neuritis/infarction) and less commonly due to central artery occlusion. Raised CK in polymyositis. PMR is rare before the age of 50 years.

The conversion of carotenoids to Vitamin A takes place in (A) Intestine (B) Liver (C) Kidney (D) Skin

Description : The conversion of carotenoids to Vitamin A takes place in (A) Intestine (B) Liver (C) Kidney (D) Skin

Last Answer : Answer : A

1-hydroxylation of 25-hydroxy Vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

Description : 1-hydroxylation of 25-hydroxy Vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

Last Answer : Answer : B

25-hydroxylation of vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

Description : 25-hydroxylation of vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

Last Answer : Answer : A

1-hydroxylation of 25-OH vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

Description : 1-hydroxylation of 25-OH vitamin D3 takes place in (A) Liver (B) Kidneys (C) Intestine (D) Pancreas

Last Answer : Answer : B

Vitamin A absorbed in intestine is released into (A) Portal circulation (B) Lacteals (C) Both (A) and (B) (D) None of these

Description : Vitamin A absorbed in intestine is released into (A) Portal circulation (B) Lacteals (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

Vitamin synthesized by bacterial in the intestine is (A) A (B) C (C) D (D) K

Description : Vitamin synthesized by bacterial in the intestine is (A) A (B) C (C) D (D) K

Last Answer : Answer : D

A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the following? a. Increased glucose uptake and increased glycogen breakdown occur in this circumstance. b. Suppressed activity of lipoprotein lipase results from TNFa c. TNFa stimulates lipolysis d. The differentiation process of pre-adipocytes is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Description : A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the ... is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Last Answer : Answer: a, b, c, d, e Tumor cachexia appears to be mediated by TNFa. Lipopolysaccharide (LPS), as well as other cytokines, activate a variety of inflammatory cells, most ... chronic syndromes of anorexia, weight loss, and cachexia that are associated with both chronic infection and malignancy

Which of the following metabolic effects may be observed in patients with sepsis? a. Increased gluconeogenesis b. Accelerated proteolysis c. Increased lipolysis d. Impaired gut metabolism of glutamine

Description : Which of the following metabolic effects may be observed in patients with sepsis? a. Increased gluconeogenesis b. Accelerated proteolysis c. Increased lipolysis d. Impaired gut metabolism of glutamine

Last Answer : Answer: a, b, c, d A number of metabolic responses to sepsis have been defined. Glucose production is increased in infected patients which appears to be additive to the ... metabolism of lipids from peripheral fat stores is especially prominent during a period of inadequate nutritional support

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.

Absorption of Griseofulvin increases with --------------diet. a) Carbohydrate b) Fatty c) protein d) vitamin

Description : Absorption of Griseofulvin increases with --------------diet. a) Carbohydrate b) Fatty c) protein d) vitamin

Last Answer : b) Fatty 

Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid

Description : Concentration of pyruvic acid and lactic acid in blood is increased due to deficiency of the vitamin (A) Thiamin (B) Riboflavin (C) Niacin (D) Pantothenic acid

Last Answer : Answer : A

Absorption with chemical reaction' is involved in the removal of (A) Carbon dioxide from gaseous stream using alkaline solution (B) Benzol from coke oven gas using solar oil/wash oil (C) Ammonia from coke oven gas using refrigerated water (D) Tar from coke oven gas in primary gas coolers using chilled water

Description : Absorption with chemical reaction' is involved in the removal of (A) Carbon dioxide from gaseous stream using alkaline solution (B) Benzol from coke oven gas using solar oil/wash oil (C) Ammonia ... gas using refrigerated water (D) Tar from coke oven gas in primary gas coolers using chilled water

Last Answer : (A) Carbon dioxide from gaseous stream using alkaline solution

Absorption accompanied with chemical reaction is exemplified by the absorption of (A) Ammonia in water (B) Benzol present in coke oven gas by wash oil (C) SO2 in alkaline solution (D) All (A), (B) and (C)

Description : Absorption accompanied with chemical reaction is exemplified by the absorption of (A) Ammonia in water (B) Benzol present in coke oven gas by wash oil (C) SO2 in alkaline solution (D) All (A), (B) and (C)

Last Answer : (C) SO2 in alkaline solution

An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is: (A) 9.21 (B) 4.605 (C) 100 (D) 0.001

Description : An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is: (A) 9.21 (B) 4.605 (C) 100 (D) 0.001

Last Answer : (B) 4.605

Any other cause for defective absorption of fat?

Description : Any other cause for defective absorption of fat?

Last Answer : Any condition leading to a deficiency of bile salts can also result in malabsorption of fat. The most common causes are obstruction to biliary tract due to gall stones, tumours of head of pancreas, enlarged lymph glands, etc.

What is the cause for defective absorption of fat?

Description : What is the cause for defective absorption of fat?

Last Answer : It may be due to diseases in intestinal mucosa, e.g. coeliac disease, sprue, Crohnís disease.

Approximately what percentage of water absorption takes place in the small intestine vs. the colon (and a followup question)?

Description : Approximately what percentage of water absorption takes place in the small intestine vs. the colon (and a followup question)?

Last Answer : The gi tract requires chyme to be pretty liquid in order to be able to move it around through peristalsis. So even though the small bowel does absorb a lot of water from the chyme it is not until ... and left colon are much more muscular than the right colon just to deal with the more solid stool.

How are the small intestine and large intestine related to the function of absorption? -Biology

Description : How are the small intestine and large intestine related to the function of absorption? -Biology

Last Answer : answer: