Tag: digestion

Quizzes (15) Questions (200)

Questions Related to digestion

Multiple choice bio-chemistry digestion digestive system - organs process of digestion coordination in the process of digestion

Pharyngeal tonsils are

  1. Near surface of tongue

  2. At the back of throat

  3. Active throughout life

  4. Adenoids
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Adenoids, also called Pharyngeal tonsils, a mass of lymphatic tissue, similar to the tonsils, that is attached to the back wall of the nasal pharynx (i.e., the upper part of the throat opening into the nasal cavity proper). An individual fold of such nasopharyngeal lymphatic tissue is called an adenoid.

So, the correct option is 'Adenoids'.

Multiple choice bio-chemistry digestion digestive system - organs process of digestion coordination in the process of digestion

A flap-like muscular valve controls the movement of air and food is ..........

  1. Nostrils

  2. Uvula

  3. Epiglottis

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
The epiglottis is a leaf-shaped flap-like muscular valve made up of cartilage. It is located behind the tongue. The function of epiglottis is to prevent the entry of food in the windpipe and it seal off windpipe during eating.
So, the correct answer is 'Epiglottis'.
Multiple choice bio-chemistry digestion digestive system - organs process of digestion coordination in the process of digestion

Why can a person not swallow food and talk at the same time?

  1. The brain cannot control two activities at the same time.

  2. In order to speak, air must come through the pharynx to form sounds.

  3. In order to swallow, the epiglottis must close off the larynx (trachea).

  4. Both B and C are correct.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Speaking requires air to pass through the larynx, while swallowing requires the epiglottis to close off the larynx to protect the airway. These two actions are mechanically incompatible.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

The enzyme that is not present in succus entericus is

  1. Maltase

  2. Nucleases

  3. Nucleosidase

  4. Lipase
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Succus entericus contain enzymes like disaccharidases (maltase, lactase, sucrase, invertase), dipeptidases, lipases, nucleosidases. Nucleases is found in the pancreatic juice.
  • So the correct option is 'B'
Multiple choice bio-chemistry digestion digestive glands liver pancreas

Succus entericus is the name given to

  1. A junction between ileum and large intestine

  2. Intestinal juice

  3. Swelling in the gut

  4. Appendix
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
Secretions of the brush border cells of mucosa along with the secretion of goblet cells constitute the intestinal juice which is also known as Succus entericus.
Multiple choice bio-chemistry digestion digestive glands liver pancreas

Which of the following juice passes through the ampulla of vater?
A. Succus entericus
B. Pancreatic juice
C. Bile
D. Secretion of Brunner's gland

  1. B and C

  2. A, B and C

  3. B, C and D

  4. A, B, C and D
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Ampulla of Vater is also called as hepato pancreatic duct. It is formed by the union of the pancreatic duct and the common bile duct. Hence pancreatic juice and bile passes through it.
So, the correct answer is 'B and C'.
Multiple choice bio-chemistry digestion digestive glands liver pancreas

If mucus is not released as a part of secretion of Brunner gland, the pH of the

  1. Small intestine will decrease

  2. Stomach will remain same

  3. Larger intestine will decrease

  4. Small intestine will remain same
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mucus released as a part of secretion of Brunner gland and bicarbonates from pancreas protects the intestinal mucosa from acid as well as provide an alkaline medium. if mucus is not released then the pH of the small intestine will decrease means acid nature in the small intestine will increases.

So the correct answer is 'Small intestine will decrease'.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Succus entericus is secreted by

  1. A) secretions of crypts of Lieberkuhm

  2. B) Brunner's gland

  3. C) both of these

  4. D) none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Succus entericus which is also known as the intestinal juice is secreted by Crypts of Lieberkuhn which moderates the pH of acidic chyme come from the stomach and also contains various digestive enzymes that take part in the final digestion of carbohydrate, fat and protein,

So the correct option is ' secretions of crypts of Lieberkuhm'

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Brunner's gland is located in

  1. Duodenum

  2. Jejunum

  3. Ileum

  4. Stomach
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Brunner's glands are characteristic of the duodenum, where they secrete alkaline mucus to neutralize acidic chyme entering from the stomach.