Nokea
The liver contains macrophages that have a special name. What is this name?
- A. Lymphocytes
- B. Coffee cells
- C. Kupffer cells
- D. Liver macrophage
Correct Answer: C
Rationale: Kupffer cells are specialized macrophages in the liver that remove debris and pathogens from the blood. Lymphocytes are white blood cells, and 'coffee cells' is not a term; 'liver macrophage' is less specific than Kupffer cells.
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Match: Duodenum
- A. initial section of the small intestine where most chemical digestion occurs
- B. stores bile
- C. secretes insulin
- D. absorbs water
Correct Answer: A
Rationale: The duodenum is the first part of the small intestine where most chemical digestion takes place.
Adenoids are enlarged:
- A. Palatine tonsil
- B. Pharyngeal tonsil
- C. Lingual tonsil
- D. Laryngeal tonsil
Correct Answer: B
Rationale: Adenoids refer to the enlarged pharyngeal tonsil, located in the nasopharynx, which can obstruct breathing when hypertrophied.
What are the advantages of chewing food at the start of digestion?
- A. increasing surface area
- B. lubricating food
- C. making food soluble
- D. all of the above
Correct Answer: D
Rationale: Chewing increases the surface area for enzyme action, lubricates food with saliva, and helps dissolve food particles.
Lactose composed of :-
- A. Glucose + galactose
- B. Glucose + fructose
- C. Glucose + glucose
- D. Glucose + mannose
Correct Answer: A
Rationale: Lactose is a disaccharide made of glucose and galactose.
Functions of the Tongue papillae include the following except:
- A. The filiform papillae contain nerve endings specialized for touch.
- B. Enables animals in licking layers of solids and semisolids material.
- C. Most Fungiform and all the circumvallate papillae contain taste buds
- D. Von Ebner glands important in salivary secretion
Correct Answer: D
Rationale: Von Ebner's glands (serous glands) are associated with circumvallate papillae and aid in taste perception by secreting fluid, not general salivary secretion.