Nokea
Carcinoid tumor, Is tumor of:
- A. Parietal cells
- B. Enteroendocrine APUD cells
- C. Zymogen cell
- D. Paneth cells
Correct Answer: B
Rationale: Carcinoid tumors arise from enteroendocrine (APUD) cells, which secrete hormones like serotonin.
You may also like to solve these questions
A client is being prepared for a colonoscopy, a test to visualize the large intestine. The nurse is aware that this examination will assist in identification of pathology of the:
- A. Large intestine
- B. Stomach
- C. Small intestine
- D. Esophagus
Correct Answer: A
Rationale: A colonoscopy visualizes the large intestine to detect abnormalities.
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.
Saliva contains two enzymes. What are they?
- A. Amylase and pepsin
- B. Amylase and lysozyme
- C. Amylase and lipase
- D. Amylase and renin
Correct Answer: B
Rationale: Saliva contains salivary amylase (ptyalin) for starch digestion and lysozyme for antibacterial action. Pepsin is in the stomach, lipase is mainly pancreatic, and renin is unrelated to saliva.
The nutrient that is needed in small amounts that helps to regulate body processes and perform chemical reactions is
- A. vitamins
- B. minerals
- C. fibre
- D. carbohydrate
Correct Answer: A
Rationale: Vitamins are required in small amounts to regulate body processes and support various chemical reactions in the body.
Which part(s) of the esophagus necessitate(s) input from the central nervous system to orchestrate peristalsis?
- A. The upper third
- B. The middle third
- C. The lower third
- D. The upper and middle portions
Correct Answer: A
Rationale: The upper third of the esophagus, with striated muscle, requires CNS input (via the vagus nerve) for primary peristalsis.