Nokea
The pylorus is best described as the:
- A. Area of the stomach that accepts food from the esophagus
- B. Valve between the ileum and the cecum
- C. Terminal portion of the large intestine
- D. Area of the stomach that empties into the small intestine
Correct Answer: D
Rationale: The pylorus is the lower part of the stomach that connects to the duodenum.
You may also like to solve these questions
During physical examination the nurse notes an absence of bowel sounds. What does this finding indicate about the function of the gastrointestinal tract?
- A. Reduced peristalsis
- B. Normal digestion
- C. Increased motility
- D. Excessive gas
Correct Answer: A
Rationale: Absent bowel sounds suggest reduced or absent peristalsis, possibly indicating ileus or obstruction.
During physical examination the nurse notes an absence of bowel sounds. What does this finding indicate about the function of the gastrointestinal tract?
- A. Reduced peristalsis
- B. Normal digestion
- C. Increased motility
- D. Excessive gas
Correct Answer: A
Rationale: Absent bowel sounds suggest reduced or absent peristalsis, possibly indicating ileus or obstruction.
Which of the following is a common passage in swallowing food and breathing-
- A. Pharynx
- B. Larynx
- C. Glottis
- D. Gullet
Correct Answer: A
Rationale: The pharynx serves as a common pathway for both food (to the esophagus) and air (to the larynx).
How many muscles does the action of swallowing use?
- A. 92
- B. 6
- C. 60
- D. 29
Correct Answer: D
Rationale: Swallowing involves approximately 29 muscles, including those in the pharynx and esophagus, coordinated by the autonomic nervous system.
Oxyntic (parietal) cells show the following EXCEPT:
- A. Rich in rER
- B. Intracellular C shaped canaliculi
- C. Numerous mitochondria & actin filaments
- D. Tubulovesicular system
Correct Answer: A
Rationale: Parietal cells are rich in mitochondria for energy, not rER, which is more prominent in chief cells.