Nokea
The large intestine lacks:
- A. goblet cells
- B. epiploic appendages
- C. plicae circulares
- D. haustra
Correct Answer: C
Rationale: The large intestine lacks plicae circulares, which are present in the small intestine to increase surface area.
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Secondary papilla has separate epith. Cap in:
- A. Filiform papilla.
- B. Fungiform papilla.
- C. Foliate papilla.
- D. Circumvallate papilla.
Correct Answer: A
Rationale: Filiform papillae have secondary papillae with separate epithelial caps extending from the primary papillae, unlike other papillae types.
Food and chyme are pushed through the digestive system by:
- A. ingestion
- B. mastication
- C. assimilation
- D. peristalsis
Correct Answer: D
Rationale: Peristalsis refers to the rhythmic contractions of smooth muscle that propel food and chyme through the digestive tract.
Which type of motility in the large intestine helps in the absorption of water and electrolytes?
- A. Peristalsis
- B. Segmentation
- C. Mass movements
- D. Swallowing
Correct Answer: B
Rationale: Segmentation in the large intestine involves rhythmic contractions that mix contents, increasing contact time with the mucosa for water and electrolyte absorption.
Which process matches the definition: The process of distributing absorbed nutrients to the cells of the body for growth and repair?
- A. Ingestion
- B. Absorption
- C. Assimilation
- D. Peristalsis
Correct Answer: C
Rationale: Assimilation involves distributing absorbed nutrients to body cells for use.
The hepatic flexure of the large intestine occurs between the:
- A. transverse colon and descending colon
- B. cecum and ascending colon
- C. ascending colon and transverse colon
- D. descending colon and rectum
Correct Answer: C
Rationale: The hepatic flexure is located between the ascending colon and the transverse colon.