Nokea
Which of the following would MOST directly affect the operations of the digestive system?
- A. osteoporosis
- B. liver damage
- C. heart attack
- D. kidney failure
Correct Answer: B
Rationale: Liver damage directly impacts digestion by reducing bile production, essential for fat breakdown.
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Taste buds are found on the following papilla EXCEPT:
- A. Circumvallate papilla
- B. Filiform
- C. Fungiform
- D. Foliate
Correct Answer: B
Rationale: Filiform papillae lack taste buds and are primarily involved in touch sensation, unlike the other papillae types.
Which process matches the definition: The process of taking food, drink or other substance into the body by swallowing or absorbing it?
- A. Assimilation
- B. Ingestion
- C. Absorption
- D. Motility
Correct Answer: B
Rationale: Ingestion is the act of taking food into the body via the mouth.
Which layer of GI tract forms the innermost lining and continuously secretes mucus?
- A. serosa
- B. muscularis externa
- C. muscularis mucosa
- D. mucosa
Correct Answer: D
Rationale: The mucosa is the innermost layer of the GI tract, lined with epithelial cells that secrete mucus to protect the tract and lubricate food passage.
In gut, serosa is outer most layer and made up of
- A. Endothelium
- B. Smooth muscles
- C. Mesothelium
- D. Dense connective tissue
Correct Answer: C
Rationale: The serosa, the outermost layer of the gut, is made of mesothelium and connective tissue.
Match: Disaccharide
- A. a sugar composed of two monosaccharides
- B. stored form of energy
- C. used in DNA synthesis
- D. component of cell membranes
Correct Answer: A
Rationale: Disaccharides, like sucrose, consist of two monosaccharides linked together and are broken down into simpler sugars during digestion.