Digestion and Absorption Test

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Digestion and Absorption Test - 43

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Weekly Quiz Competition

Question 1
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Which of the following regarding the dietary requirements of the major food stuffs is correct?

A
Adults can synthesise all of the amino acids found in proteins.

B
Children who have a protein deficient diet may develop kwashiorkor.

C
Edema is a characteristic feature of marasmus.

D
People whose diets are low in fats often suffer from fatty acid deficiency diseases.

Solution

Kwashiorkor is the Malnutrition that occurs when there is not enough protein in the diet.

Symptoms include abdominal swelling, diarrhoea, enlarged liver, frequent infections, generalized infections, failure to thrive, severe unintentional weight loss, swelling in extremities, apathy, hair loss, irritability, middle ear infection, or skin rash. Hence Children who have a protein deficient diet may develop kwashiorkor.

So, the correct option is 'Children who have a protein deficient diet may develop kwashiorkor'.
Question 2
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Kwashiorkor is a disease which is caused due to deficiency of

A
Only carbohydrates

B
Only proteins

C
Both carbohydrates and protein

D
Fats and carbohydrates

Solution

Kwashiorkor is the most common and widespread nutritional disorder in developing countries. It is a form of malnutrition caused by not getting enough protein in your diet. Every cell in your body contains protein. You need protein in your diet for your body to repair cells and make new cells. A healthy body regenerates cells in this manner constantly. Protein is also important for growth during childhood and pregnancy.
Therefore, the correct answer is option B.
Question 3
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The process by which the blood carries the nutrients to the rest of the body, is called as ________.

A
Absorption

B
Assimilation

C
Digestion

D
Ingestion
Solution
- After digestion of complex food into the simple soluble form, the nutrients are absorbed by the small intestine with help of finger-like projection (villi) in the wall of the intestine.
- Assimilation is the process of transfer of soluble food from the intestine to rest parts of the body through blood vessels.
Therefore, the correct answer is option B.
Question 4
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Salivary glands secrete

A
Amylase

B
Pepsin

C
Trypsin

D
Bile juice

Solution

An amylase is an enzyme that catalyses the hydrolysis of starch into sugars. Amylase is present in the saliva of humans and some other mammals, where it begins the chemical process of digestion. Bile juice is secreted by liver. Pepsin and trypsin are produced in small intestine.
Therefore, the correct answer is option A.
Question 5
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The gastric mill is the part of the stomach that is used for

A
Storage

B
Digestion

C
Excretion

D
Grinding
Solution
The gizzard also referred to as the ventriculus, gastric mill, and gigerium is an organ found in the digestive tract of some animals, including crocodiles, alligators, dinosaurs, birds, earthworms, some fish, and some crustaceans. This specialized stomach is constructed of thick muscular walls used for grinding up food. In certain insects and molluscs, the gizzard features chitinous plates or teeth. Hence, the gastric mill is the part of the stomach that is used for grinding.

So, the correct answer is 'grinding'.
Question 6
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Salivary secretion

A
Is only affected by parasympathetic innervation

B
Contains an enzyme thatmust be stored in zymogen granules before it is secreted

C
Is stimulated by sympathetic innervation

D
Cantains the enzyme salivary amylase

Solution

An amylase is an enzyme that catalyses the hydrolysis of starch into sugars. Amylase is present in the saliva of humans and some other mammals, where it begins the chemical process of digestion.
Therefore, the correct answer is option D.
Question 7
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The salivary glands secrete saliva which contains the enzyme

A
Pepsin

B
Renin

C
Ptyalin

D
Lipase

Solution

An amylase or ptyalin present in saliva, that catalyzes the hydrolysis of starch into maltose and dextrin. An enzyme found in the saliva of humans and herbivorous animals that helps in the pre digestion of starches. Ptyalin is a type of amylase. Pepsin, rennin and lipase are absent in saliva.
Therefore, the correct answer is option C.
Question 8
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Most of the digestion and absorption of the food takes place in

A
Stomach

B
Liver

C
Small intestine

D
Large intestine
Solution
Correct Option: C
Explanation:
The organs of the duct are the mouth, pharynx, esophagus, stomach, bowel(small intestine), Brobdingnagian internal organs, and anus.
The tiny gut may be a portion of the duct between the abdomen and the gut where abundant digestion of food takes place.
The first operation of the tiny gut is that the absorption of nutrients and minerals found in food.

Hence, most of the digestion and absorption takes place in the small intestine.
Question 9
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The major site of absorption in alimentary canal is

A
Duodenum

B
Stomach

C
Ileum

D
Large intestine

Solution

The small intestine is the most important part of the gastrointestinal tract between the stomach and the large intestine where much of the digestion and absorption of food takes place due to the finger-like projection. The small intestine has three distinct regions the duodenum, jejunum, and ileum. It is the part of the digestive tract where approx 90% of the digestion and absorption of food occurs, the other 10% taking place in the stomach and large intestine. Most of the absorption part of the digestive process occurs in the jejunum and the ileum.
Therefore, the correct answer is option C.
Question 10
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Duodenum, jejunum and ileum are the parts associated to

A
Stomach

B
Small intenstine

C
Large intenstine

D
Colon

Solution

The small intestine is the most important part of the digestive system because much of the digestion and absorption of food takes place. The small intestine has three distinct regions the duodenum, jejunum, and ileum. It receives bile and pancreatic juice through the pancreatic duct, controlled by the sphincter of Oddi. The primary function of the small intestine is the absorption of nutrients and minerals from food.
Therefore, the correct answer is option B.

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Digestion and Absorption Test - 43

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Digestion and Absorption Test - 43

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Question 1

Adults can synthesise all of the amino acids found in proteins.

Children who have a protein deficient diet may develop kwashiorkor.

Edema is a characteristic feature of marasmus.

People whose diets are low in fats often suffer from fatty acid deficiency diseases.

Solution

Question 2

Only carbohydrates

Only proteins

Both carbohydrates and protein

Fats and carbohydrates

Solution

Question 3

Absorption

Assimilation

Digestion

Ingestion

Solution

Question 4

Amylase

Pepsin

Trypsin

Bile juice

Solution

Question 5

Storage

Digestion

Excretion

Grinding

Solution

Question 6

Is only affected by parasympathetic innervation

Contains an enzyme thatmust be stored in zymogen granules before it is secreted

Is stimulated by sympathetic innervation

Cantains the enzyme salivary amylase

Solution

Question 7

Pepsin

Renin

Ptyalin

Lipase

Solution

Question 8

Stomach

Liver

Small intestine

Large intestine

Solution

Question 9

Duodenum

Stomach

Ileum

Large intestine

Solution

Question 10

Stomach

Small intenstine

Large intenstine

Colon

Solution

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