Which of the Following Is NOT True of 5-Hydroxytryptamine

question 120

Multiple Choice

Which of the following is NOT true of 5-hydroxytryptamine?

• A)it is secreted by ECL cells of the intestinal mucosa
• B)stimulates intrinsic afferent to activate motor neurons for peristalsis
• C)stimulates secretion of Cl- and water
• D)All of the choices are not true.

---

Definitions:

Serial Passage

A method used in microbiology and virology involving the sequential transfer of a sample containing viruses or bacteria from one culture medium to another to study the evolution of the pathogen.

Jumped

In a biological context, often used metaphorically to describe a sudden change or rapid evolution in a species or genetic material.

Species

A fundamental category in biological classification, defined as a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.

Pandemic

An outbreak of a disease that occurs over a wide geographic area and affects an exceptionally high proportion of the population.