Nokea
Kupffer's cells are found in ______________.
- A. Liver.
- B. Pancreas.
- C. Small intestine.
- D. Large intestine.
Correct Answer: A
Rationale: Kupffer cells are specialized macrophages located in the liver, where they play a role in filtering blood and immune response.
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Small finger-like projection, which produce numerous microscopic projections are supplied with a network of
- A. Blood capillaries and lacteal
- B. Blood capillaries only
- C. Lacteal only
- D. A large lymphoid vessel and valves
Correct Answer: A
Rationale: Villi contain blood capillaries and lacteals for absorbing nutrients like glucose and fats.
In which regions of the alimentary canal does amylase act?
- A. mouth cavity and pancreas
- B. mouth cavity and ileum
- C. stomach and pancreas
- D. stomach and ileum
Correct Answer: A
Rationale: Amylase acts in the mouth cavity and is also secreted by the pancreas into the duodenum.
Which is the possible cause of a urinary tract infection?
- A. bacteria in the urinary system
- B. calcium buildup in the kidney
- C. prostate enlargement
- D. kidney stones
Correct Answer: A
Rationale: Bacteria in the urinary system are the most common cause of urinary tract infections.
The nutrient that supplies bulk to help the movement of waste through the digestive system is
- A. protein
- B. vitamins
- C. minerals
- D. fibre
Correct Answer: D
Rationale: Fibre provides bulk and aids in the movement of waste through the digestive tract by promoting peristalsis.
Surface mucous cells show the following EXCEPT:
- A. Found in the isthmus of the fundic glands.
- B. Contain PAS +ve secretory granules.
- C. Secrete acidic mucous.
- D. Continuous with the covering epith of the stomach
Correct Answer: C
Rationale: Surface mucous cells secrete neutral to alkaline mucus, not acidic mucus, to protect the gastric mucosa.