Tag: liver

Quizzes (2) Questions (207)

Questions Related to liver

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Crypts in between the bases of villi in the intestine are crypts of Lieberkuhn. Which of the following cells in these crypts secrete digestive enzymes?

  1. Pariental cells

  2. Paneth cells

  3. Zymogen cells

  4. Argentaffin cells
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation


Crypts are anatomical structures that are narrow but deep invaginations into a larger structure. One common type of anatomical crypt is the Crypts of Lieberkühn. Crypts of Lieberkuhn between the bases of villi in the intestine have the Paneth cells which secrete digestive enzymes.

So, the correct option is 'paneth cells'.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

A carbohydrate splitting enzyme is secreted by 

  1. Liver

  2. Zymogen cells of gastric glands

  3. Spleen

  4. Crypts of Lieberkuhn
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

While the chyme is present within the small intestine, glands within this structure begin to secrete different types of digestive enzymes, called carbohydrases (amylase, proteases, and lipases or fat splitting enzymes). The glands responsible for these enzymatic secretions are found in the mucosal layer of the small intestine, called the crypts of Lieberkuhn.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Crypts of lieberkuhn are present in

  1. Intestine

  2. Stomach

  3. Oesophagus

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An intestinal gland (crypts of Lieberkuhn) is a gland found in the epithelial lining of the small intestine and colon. The glands are named after German anatomist J. N. Lieberkuhn.

Multiple choice bio-chemistry digestion digestive glands liver pancreas

Crypts of Lieber kuhn are present in ___________.

  1. Intestine

  2. Stomach

  3. Oesophagus

  4. All of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Crypts of Lieberkuhn are tubular glands found in the intestinal mucosa, specifically between the villi in the small intestine.

Multiple choice biology digestive system of human digestive glands liver pancreas

Which of the following gland is partly exocrine and partly exocrine?

  1. Pituitary

  2. Thyroid

  3. Pancreas

  4. Hypothalamus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Pancreas acts both as endocrine (ductless) and exocrine (with duct) gland. It works as exocrine gland as it excretes enzymes to break down the proteins, lipids, carbohydrates, and nucleic acids in food and helps in digestion. It works as endocrine gland as it secretes the hormones insulin and glucagon to control blood sugar levels throughout the day. 
Hence option C is correct.
Multiple choice biology digestive system of human digestive glands liver pancreas

Heparin is synthesised in

  1. Kidney

  2. Salivary glands

  3. Pancreas

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

Heparin is an anticoagulant formed in the liver and mast cells. It is found in blood and connective tissues. It belongs to a class of mucopolysaccharides and helps to prevent blood clots in arteries and veins. It is an anticoagulant that prevents the formation of blood clots. It is also used before surgery to reduce the risk of blood clots. It helps the blood to flow smoothly in the body by making a certain natural substance in the body work better. 

Thus, the correct answer is option D. 

Multiple choice biology digestive system of human digestive glands liver pancreas

In human beings, sphincter of oddi is situated in 

  1. Common bile duct

  2. Ampulla of vater

  3. Main pancreatic duct

  4. Common hepatic duct
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The sphincter of Oddi, abbreviated as SO, is a muscular valve that controls the flow of digestive juices through the ampulla of Vater into the second part of the duodenum. The sphincter of Oddi is relaxed by the hormone cholecystokinin via vasoactive intestinal peptide. 

So, the correct option is 'Ampulla of Vater'.

Multiple choice biology digestive system of human digestive glands liver pancreas

Stool of a person contain whitish grey colour due to malfunction of which type of organ : -

  1. Pancrease

  2. Spleen

  3. Kidney

  4. Liver
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Bilirubin is broken down to urobilinogen and stereobilinogen. The yellowish-brown colour of stool is due to the stereobilinogen. Due to the malfunctioning of the liver, insufficient production of stereobilinogen leads to white stool.

So, the correct answer is 'Liver'.
Multiple choice biology digestive system of human digestive glands liver pancreas

The pancreas produces?

  1. Three digestive enzymes and one hormone

  2. Three types of digestive enzymes and two hormones

  3. Two digestive enzymes and one hormone

  4. Only digestive enzyme and no hormone
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
The pancreas produces majorly three types of digestive enzymes:
  • Proteases: to digest proteins.
  • Lipase: to break down fats.
  • Amylase: for the digestion of carbohydrates.

 The pancreas maintains the body’s blood glucose (sugar) balance. Primary hormones of the pancreas include insulin and glucagon, and both regulate blood glucose.
  • Insulin: This hormone regulates blood glucose by allowing many of your body’s cells to absorb and use glucose. In turn, this drops blood glucose levels.
  • Glucagon: Glucagon helps insulin maintain normal blood glucose by working in the opposite way of insulin. It stimulates your cells to release glucose, and this raises your blood glucose levels.

So, the correct answer is 'Three types of digestive enzymes and two hormones'.

Multiple choice biology digestive system of human digestive glands liver pancreas

Kupffer's cells of liver are an example of ________________.

  1. Anatomical barrier

  2. Inflammatory barrier

  3. Physiological barrier

  4. none of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Kupffer cells are also known as stellate macrophages (star-shaped) located in the liver, lining the walls of the sinusoids. They form part of the mononuclear phagocyte system. This means that they are a part of the first line of defense (inflammatory barrier) of the body and are involved in engulfing any invading pathogen (virus, bacteria, etc.) and destroy them.

So, the correct answer is 'Inflammatory barrier'.