Nokea
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.
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What structure in the intestine increases surface area?
- A. Villas
- B. Villi
- C. Cilia
- D. Protrusii
Correct Answer: B
Rationale: Villi are finger-like projections in the small intestine that increase surface area for absorption.
The part of the stomach that meets the esophagus at the gastroesophageal sphincter is the:
- A. fundus
- B. cardia
- C. pylorus
- D. body
Correct Answer: B
Rationale: The cardia is the part of the stomach closest to the esophagus.
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.
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.
The hormone involved in the discharge of pancreatic juice in mammal is called-
- A. Gastrin
- B. Secretin
- C. Secretin & CCK
- D. Enterogasterone
Correct Answer: C
Rationale: Both secretin and CCK stimulate pancreatic juice secretion.