Nokea
About filiform papilla all true except:
- A. Secondary papillae extend from the primary papillae. Each one has a separate epithelial cap
- B. Found on the anterior two thirds of the tongue in oblique transverse rows
- C. Less numerous than fungiform papilla
- D. No taste buds in filiform papillae, but they contain nerve endings for touch.
Correct Answer: C
Rationale: Filiform papillae are the most numerous type on the tongue, not less numerous than fungiform papillae, and they lack taste buds.
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Absorption of digested food chiefly occurs in-
- A. Stomach
- B. Colon
- C. Small Intestine
- D. Large Intestine
Correct Answer: C
Rationale: The small intestine is the primary site for nutrient absorption due to its large surface area.
Match each term with the correct description: carries urine from bladder to outside of the body
- A. urethra
- B. urinary system
- C. bladder
- D. kidneys
Correct Answer: A
Rationale: The urethra carries urine from the bladder to the outside.
The contraction and expansion of the walls of food pipe is called movement.
- A. Peristalsis
- B. Gastric
- C. Oscillatory
- D. Diastolic
Correct Answer: A
Rationale: Peristalsis is a type of wave-like movement occurring in the alimentary canal which involves contraction and relaxation of the muscles. It begins in the esophagus and helps to move the food along the alimentary canal for the process of digestion.
Which process matches the definition: Circular muscles behind a bolus of food contract and longitudinal muscles relax, thus pushing a bolus of food onwards?
- A. Segmentation
- B. Peristalsis
- C. Emesis
- D. Deglutition
Correct Answer: B
Rationale: Peristalsis involves coordinated muscle contractions to push food forward.
Which structure is the uppermost part of the alimentary canal or gastrointestinal (GI) tract?
- A. Esophagus
- B. Liver
- C. Cecum
- D. Sigmoid
Correct Answer: A
Rationale: The alimentary canal begins at the mouth, followed by the esophagus, making the esophagus the uppermost structure listed.