Nokea
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.
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Using the figure shown, indicate in which location would a client with an inflamed appendix likely have pain and tenderness?
- A. Right lower quadrant
- B. Left lower quadrant
- C. Right upper quadrant
- D. Left upper quadrant
Correct Answer: A
Rationale: The appendix is located in the right lower quadrant, where appendicitis pain is typically felt.
Which of the following combinations will lead to the highest level of acid secretion through potentiation? (Potentiation refers to a post-receptor interaction where the response obtained is greater than the sum of each individual agent acting alone.)
- A. Vagal input, histamine, gastrin
- B. Vagal input, histamine, secretin
- C. Histamine, gastrin, secretin
- D. Gastrin, vagal input, secretin
Correct Answer: A
Rationale: Vagal input, histamine, and gastrin all stimulate parietal cells synergistically (potentiation), maximizing acid secretion, while secretin inhibits it.
Which organ in the digestive system absorbs the most water from food?
- A. esophagus
- B. large intestine
- C. small intestine
- D. stomach
Correct Answer: B
Rationale: The large intestine absorbs the most water from food, turning chyme into solid waste.
Homeostasis is best described as:
- A. The process by which we change our external environment so that we are comfortable
- B. A process that uses hormones to adjust our bodily functions
- C. A process by which nerves and hormones operate together to keep the internal environment stable no matter what the external conditions
- D. A process by which the nerves make us respond to danger
Correct Answer: C
Rationale: Homeostasis maintains internal stability using nerves and hormones despite external changes.
Which organ in the digestive system absorbs the most water from food?
- A. esophagus
- B. large intestine
- C. small intestine
- D. stomach
Correct Answer: B
Rationale: The large intestine absorbs the most water from food, turning chyme into solid waste.