McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What is the function of the hydrochloric acid secreted by the gastric pits of the mucosa?

A. regulates the release of intrinsic factor
B. activates pepsinogen and provides an acid environment in which this enzyme works best
C. kills microbes inhabiting the mucosa
D. initiates the hunger reflex


2. What is the role of the pyloric sphincter?

A. regulates passage of food into the stomach
B. prevents food from reentering the esophagus
C. regulates the passage of chyme into the small intestine
D. controls the release of the hormone gastrin
Copyright ©2000 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.
For further information about this site contact mhhe_webmaster@mcgraw-hill.com
or let us know what you think by filling out our site survey.

Corporate Link