Digestion and Absorption Test

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Digestion and Absorption Test - 6

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Weekly Quiz Competition

Question 1
1 / -0

If an imaginary food contains 5 grams of protein, 4 grams of fat and 10 grams of carbohydrates. Now calculate total calories it would provide ( given 1g protein=4 calories, 1g fat = 10 calories, 1g carbohydrates = 4 calories ) :

A
96 calories

B
50 calories

C
100 calories

D
90 calories

Solution

Five gram of protein will produce 5 x 4 = 20 calories, 4 g of fat = 4 x 10 = 40 calories and 10 g of carbohydrates = 10 x 4 = 40 calories. So total energy produced is equal to 20 + 40 + 40 = 100 calories.
Question 2
1 / -0

The reflex action of vomiting is controlled by

A
Cerebellum

B
Pons varoli

C
Cerebrum

D
Medulla

Solution

Vomiting is believed to be controlled by two distinct brain centres—the vomiting centre and the chemoreceptor trigger zone—both located in the medulla oblongata.

The vomiting centre initiates and controls the act of emesis, which involves a series of contractions of the smooth muscles lining the digestive tract.
Question 3
1 / -0

Which digestive disorder reduces the absorption of food?

A
Constipation

B
Vomitting

C
Diarrhoea

D
Indigestion

Solution

The abnormal frequency of bowel movement and increased liquidity of the faecal discharge reduces the absorption of food leading to diarrhoea.
Question 4
1 / -0

Which is a mismatched pair :

A
Diarrhoea – less enzyme secretion

B
Indigestion – food poisoning

C
Vomiting – antiperistalsis

D
Jaundice – deposition of bile pigments

Solution

The abnormal frequency of bowel movement and increased liquidity of the faecal discharge is known as diarrhoea.

Question 5

1 / -0

Match the following:

Digestive Disorder	Cause
a) Constipation	i) gallstones
b) Jaundice	ii) reflex actionanxiety
c) Indigestion	iii) intentinal ischemia
d) Vomiting	iv) irregular bowel movements

a) - ii

b) - i

c) - iv

d) - iii

a) - ii

b) - iii

c) - ii

d) - iv

a) - iv

b) - i

c) - ii

d) - iii

a) - iii

b) - iv

c) - ii

d) - i

Solution

The causes of indigestion are inadequate enzyme secretion, anxiety, food poisoning, over eating, and spicy food. In constipation, the bowel movements occur irregularly. In jaundice, deposition of bile pigments result in gall stones. A reflex action is controlled by the vomit centre in the medulla.

Question 6
1 / -0

Malnutrition covers :

A
only undernutrition

B
only overnutrition

C
Both undernutrition and overnutrition

D
all the diseases which infants suffer from

Solution

Malnutrition is the condition of having less than required amount of food or more than required amount of food. Both condition is harmful to health. So, malnutrition covers both undernutrition and overnutrition.
Question 7
1 / -0

Bacteria responsible for chronic gastritis is :

A
Bacteria responsible for chronic gastritis is :

B
Salmonella enterica

C
Helicobacter pylori

D
Lactobacillus casei

Solution

Chronic gastritis involves swelling or inflammation of the stomach lining. Helicobacter pylori colonizes the stomach and induces chronic gastritis, a long-lasting inflammation of the stomach.
Question 8
1 / -0

Regurgitation is more common in infants than in adults. The reason will be:

A
Pyloric sphincter is much less effective in infants.

B
Cardiac sphincter is much less effective in infants.

C
Peristaltic waves are not strong enough in infants.

D
Excessive acid formation and secretion in the stomach of infants.

Solution

Regurgitation is the expulsion of material from the pharynx, or esophagus, usually characterized by the presence of undigested food or blood. Regurgitation is used by a number of species to feed their young. Regurgitation is more common in infants than adults because cardiac sphincter is much less effective in infants.
Question 9
1 / -0

_____ from pharynx is conveyed into oesophagus by _____ .

A
Chyme, regurgition

B
Chyme, degluition

C
Bolus, deglutition

D
Bolus, regurgition

Solution

Bolus from pharynx is conveyed into oesophagus by deglutition. Bolus is the semisolid chewed food mixed with saliva in mouth. The food from pharynx passed to oesophagus by swallowing.

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Re-Attempt Weekly Quiz Competition

Digestion and Absorption Test - 6

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Digestion and Absorption Test - 6

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SHARING IS CARING

Question 1

96 calories

50 calories

100 calories

90 calories

Solution

Question 2

Cerebellum

Pons varoli

Cerebrum

Medulla

Solution

Question 3

Constipation

Vomitting

Diarrhoea

Indigestion

Solution

Question 4

Diarrhoea – less enzyme secretion

Indigestion – food poisoning

Vomiting – antiperistalsis

Jaundice – deposition of bile pigments

Solution

Question 5

a) - ii b) - i c) - iv d) - iii

a) - ii b) - iii c) - ii d) - iv

a) - iv b) - i c) - ii d) - iii

a) - iii b) - iv c) - ii d) - i

Solution

Question 6

only undernutrition

only overnutrition

Both undernutrition and overnutrition

all the diseases which infants suffer from

Solution

Question 7

Bacteria responsible for chronic gastritis is :

Salmonella enterica

Helicobacter pylori

Lactobacillus casei

Solution

Question 8

Pyloric sphincter is much less effective in infants.

Cardiac sphincter is much less effective in infants.

Peristaltic waves are not strong enough in infants.

Excessive acid formation and secretion in the stomach of infants.

Solution

Question 9

Chyme, regurgition

Chyme, degluition

Bolus, deglutition

Bolus, regurgition

Solution

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a) - ii

b) - i

c) - iv

d) - iii

a) - ii

b) - iii

c) - ii

d) - iv

a) - iv

b) - i

c) - ii

d) - iii

a) - iii

b) - iv

c) - ii

d) - i