Nokea
(Auerbach's) plexus found in:
- A. Muscularis externa
- B. Submucosa
- C. Mucosa
- D. Serosa
Correct Answer: A
Rationale: Auerbach's plexus is located between the circular and longitudinal layers of the muscularis externa, controlling gut motility.
You may also like to solve these questions
What is the main role of the hepatic portal system?
- A. Regulating blood glucose levels through the release of insulin
- B. Supplying oxygen to the liver for metabolic processes
- C. Eliminating toxins from the bloodstream
- D. Filtering and processing nutrients absorbed from the gastrointestinal tract
Correct Answer: D
Rationale: The hepatic portal system transports nutrient-rich blood from the GI tract to the liver for processing and detoxification before entering systemic circulation.
Which element in the molecule of urea shows that it is formed from amino acids and not from glucose?
- A. carbon
- B. hydrogen
- C. nitrogen
- D. oxygen
Correct Answer: C
Rationale: Nitrogen is a key component of amino acids and is retained in urea during deamination.
Match: Carbohydrate
- A. major source of energy composed of carbon, hydrogen, and oxygen
- B. composed of amino acids
- C. made of glycerol and fatty acids
- D. used for insulation
Correct Answer: A
Rationale: Carbohydrates serve as the body's primary energy source and consist of carbon, hydrogen, and oxygen atoms.
In case of atrophic gastritis, deficiency in vitamin B12 result from damage of:
- A. Chief cells
- B. Enterocytes
- C. Parietal cells
- D. Stem cells
Correct Answer: C
Rationale: Parietal cells secrete intrinsic factor, necessary for vitamin B12 absorption; their damage in atrophic gastritis leads to B12 deficiency.
Match each term with the correct description: produces enzymes
- A. rectum
- B. esophagus
- C. pancreas
- D. liver
Correct Answer: C
Rationale: The pancreas produces digestive enzymes that aid in breaking down food.