0

Physiology and Anatomy of Digestive System (MP DMAT)

Description: Proteins
Number of Questions: 15
Created by:
Tags: Proteins Digestion and Absorption
Attempted 0/15 Correct 0 Score 0

Which layer of GI tract is responsible for segmental contractions and peristaltic movements?

  1. Sub-mucosa

  2. Mucosa

  3. Muscularis

  4. Serosa


Correct Option: C
Explanation:

Muscularis layer of GI tract is responsible for segmental contractions and peristaltic movements in the GI tract. 

Which type of muscles constitute the upper part of oesophagus?

  1. Straited and smooth muscles

  2. Only straited muscles

  3. Only smooth muscles

  4. Circular muscles


Correct Option: B
Explanation:

The upper (superior) part of the oesophagus consists of only straited muscles.

Which of the following enzymes is/are produced in the pancreas?

  1. Nuclease, Lipase and Nucleosidase

  2. Pepsin

  3. Maltase and Peptidase

  4. Amylase


Correct Option: A
Explanation:

The enzymes  produced in pancreas are Nuclease, Lipase and Nucleosidase.

In which region of the body does the large intestine take a downward bend?

  1. Right hypochondric region

  2. Left hypochondric region

  3. Right iliac region

  4. Umbilical region


Correct Option: B
Explanation:

The large intestine takes a downward bend at left hypochondric region. 

In which form are protein digesting enzymes released by chief cells of the stomach?

  1. Pepsin

  2. Pepsinogen

  3. Intrinsic factor

  4. Zymogen


Correct Option: B
Explanation:

Pepsinogen is the inactive form of pepsin secreted by chief cells of the stomach.

Which section of stomach facilitates the emptying of contents into the small intestine?

  1. Cardiac section

  2. Pylorus section

  3. Fundus section

  4. Body section


Correct Option: B
Explanation:

Pylorus section is the lower section of the organ and facilitates the emptying of contents into the small intestine.

Where are Aschoff's recesses located?

  1. Pancreas

  2. Liver

  3. Gall bladder

  4. Jejunum


Correct Option: C
Explanation:

Aschoff's recesses are located in the gall bladder.

What does the blockage in the supply of bile into the digestive tract lead to?

  1. Biliary colic

  2. Cholecystitis

  3. Cholestasis

  4. Cystic fibrosis


Correct Option: C
Explanation:

Cholestasis is the blockage in the supply of bile into the digestive tract. 

Which of the following diseases is caused due to gluten intolerance?

  1. Diventriculitis

  2. Gastritis

  3. Celiac disease

  4. Irritable bowel syndrome


Correct Option: C
Explanation:

Celiac disease is caused due to gluten intolerance. 

"A bitter, alkaline, brownish-yellow or greenish-yellow fluid that aids in emulsification, digestion and absorption of fats"

Where is the fluid mentioned in the above passage stored?

  1. Liver

  2. Gall bladder

  3. Pancreas

  4. Stomach


Correct Option: B
Explanation:

The fluid mentioned in the passage is bile and it is stored in the gall bladder.

Which type of contraction is seen in sphincter?

  1. Segmental contraction

  2. Peristalisis

  3. Tonic contraction

  4. No contraction


Correct Option: C
Explanation:

Tonic contractions are observed in sphincter. 

Which structure(s) act(s) as a pacemaker of gastrointestinal tract?

  1. Intermuscular interstitial cells of cajal

  2. Myenteric interstitial cells of cajal

  3. Enteric motor neurons

  4. Rostral interstitial nucleus


Correct Option: B
Explanation:

Myenteric interstitial cells of cajal [ICC-MY] serve as a pacemaker.

Which of the following is/are formed by the inner layer of muscularis externa (smooth muscle)?

  1. Oesophagus

  2. Pyloric sphincters

  3. Stomach

  4. Large intestine


Correct Option: B
Explanation:

The pyloric sphincter is formed by the inner layer of muscularis externa.

Which of the following is/are secreted in maximum amount by the digestive tract?

  1. Digestive enzymes

  2. Bile

  3. Ions

  4. Mucus


Correct Option: C
Explanation:

The largest components of secreted fluids are ions and water.

Which kind of volvulus (intestinal malrotation) is common in infants?

  1. Transverse colon volvulus

  2. Segmental volvulus

  3. Midgut volvulus

  4. Sigmoid volvulus


Correct Option: C
Explanation:

Midgut volvulus occurs in infants that are predisposed because of congenital intestinal malrotation.

- Hide questions