A patient is recovering from discomfort from a peptic ulcer. The doctor has ordered to advance the patient's diet to solid foods. The patient's lunch tray arrives. Which food should the patient avoid eating?

Correct Answer: A

Rationale: Citrus fruits like oranges can irritate ulcers due to acidity; milk, rice, and bananas are generally soothing, making A correct.

Correct Answer: D

Rationale: Lamina propria supports a variety of structures including capillaries, nerves, lymphatics, and nodules for nutrient exchange and immune function.

Correct Answer: C

Rationale: The myenteric plexus contains nerve cell bodies of parasympathetic ganglia, not sympathetic ganglia, which are outside the GI wall.

Correct Answer: D

Rationale: Pharyngeal tonsils (adenoids) have ciliated pseudostratified epithelium, reflecting their respiratory proximity.

Correct Answer: A

Rationale: Duodenal (Brunner's) glands are submucosal, secreting alkaline mucus.