Sound waves are converted to impulses that are transmitted to the brain through which cranial nerve?

Rectal administration of medication:

a. results in rapid drug absorption. b. is subject to hepatic alteration. c. has an unpredictable absorption rate. d. should not be used for Valium.

Which of the following GI peptides relaxes smooth muscles of gut, blood, and genitourinary system; increases water and electrolyte secretion; and stimulates the release of hormones from pancreas, gut, and hypothalamus?

A. Gastrin B. Cholecystokinin C. Vasoactive intestinal polypeptide D. Secretin