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- Multiple ChoicePlease save your changes before editing any questions.
Bile juice helps in the digestion of fat because it contains
enzymes
vitamins
bile salts
bile pigments
- Multiple ChoicePlease save your changes before editing any questions.
The stomach wall produces mucus to cover its surface. Which of the following statements correctly describe(s) the function of the mucus?
(1) It kills the bacteria in the ingested food.
(2) It prevents the rubbing of food against the stomach wall.
(3) It protects the stomach wall from the action of the digestive enzymes.
(1) only
(3) only
(1) and (2) only
(2) and (3) only
- Multiple ChoicePlease save your changes before editing any questions.
In the alimentary canal, most water is absorbed in the
oesophagus
stomach
small intestine
colon
- Multiple ChoicePlease save your changes before editing any questions.
In the alimentary canal, bacteria in food are mainly killed by
saliva
mucus
gastric juice
pancreatic juice
- Multiple ChoicePlease save your changes before editing any questions.
The liver is said to be a digestive gland because it
converts stored glycogen into glucose
breaks down excess amino acids
produces bile
stores iron
- Multiple ChoicePlease save your changes before editing any questions.
Protein digestion occurs mainly in
1 and 3
2 and 3
2 and 5
3 and 5
- Multiple ChoicePlease save your changes before editing any questions.
Bile is a digestive juice in our body. Which of the following statements about bile is correct?
It is produced by the gall bladder.
It contains an enzyme that digests fat.
It helps break down fat into droplets.
It stimulates peristaltic movement of the small intestine.
- Multiple ChoicePlease save your changes before editing any questions.
Chemical digestion of carbohydrate occurs in
1 and 2 only
1 and 4 only
2 and 3 only
3 and 4 only
- Multiple ChoicePlease save your changes before editing any questions.
Peristalsis occurs in
1, 2 and 3 only
1, 2 and 4 only
1, 3 and 4 only
2, 3 and 4 only
- Multiple ChoicePlease save your changes before editing any questions.
Which structure(s) will produce the enzyme(s) needed for the digestion of egg white?
X only
X and Y only
Y and Z only
X, Y and Z
- Multiple ChoicePlease save your changes before editing any questions.
Physical digestion takes place at
1 and 3
1 and 4
3 and 4
1, 3 and 4
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following organs produces digestive juice that does not contain enzymes?
liver
mouth
stomach
pancreas
- Multiple ChoicePlease save your changes before editing any questions.
Amylase is secreted by
salivary glands only
pancreatic glands only
Salivary and pancreatic glands
liver and small intestine
- Multiple ChoicePlease save your changes before editing any questions.
Protein digestion takes place
in the mouth
in the stomach
in the stomach and duodenum
all of the above
- Multiple ChoicePlease save your changes before editing any questions.
Waves of contractions that move food one way through the digestive system are called
Impulse
Peristalsis
Action Potential
Metabolism
- Multiple ChoicePlease save your changes before editing any questions.This is the enzyme that works on protein.pepsinHClBicarbonateLactase
- Multiple ChoicePlease save your changes before editing any questions.
In which order do these events occur in human nutrition? *2014 Q25
digestion-ingestion-absorption-assimilation
digestion-ingestion-assimilation-absorption
ingestion-digestion-absorption-assimilation
ingestion-digestion-assimilation-absorption
- Multiple ChoicePlease save your changes before editing any questions.
What is the function of the gall bladder? *2015 Q26
absorption of fat
digestion of fat
production of bile
storage of bile
- Multiple ChoicePlease save your changes before editing any questions.
Hydrochloric acid is secreted in the _______________ .
oesophagus
stomach
large intestine
small intestine
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following is the correct order for the major parts of the gastrointestinal tract?
oesophagus, stomach, large intestine, small intestine, mouth
mouth, stomach, oesophagus, large intestine, small intestine
mouth, small intestine, stomach, oesophagus, large intestine
mouth, oesophagus, stomach, small intestine, large intestine