When administered intravenously, this hormone has the capability to initiate a phase of robust sequential contractions in the proximal duodenum, which gradually moves towards the cecum:

Correct Answer: C

Rationale: Motilin triggers the migrating motor complex, initiating strong contractions from the duodenum to the cecum during fasting.

Correct Answer: A

Rationale: Fat breakdown products (fatty acids and glycerol) are lipid-soluble and can diffuse through the phospholipid bilayer of cell membranes.

Correct Answer: C

Rationale: Homeostasis maintains internal stability using nerves and hormones despite external changes.

Correct Answer: D

Rationale: The renal artery supplies blood to the kidney for filtration.

Correct Answer: D

Rationale: Alcohol inhibits ADH, reducing water reabsorption and increasing urine output, leading to dehydration.