Multimedia (Images, Video and Audio)

Copyright: Commercial use of the PowerPoint slides, images, videos, etc., is not permitted. Users may display, download, or print out multimedia for personal and educational use only. Educational use refers to classroom teaching, lectures, presentations, rounds, and other instructional activities, such as displaying, linking to, downloading, printing and making and distributing multiple copies of said isolated materials in both print and electronic format.
Users may modify the content of downloaded PowerPoint slides only for educational (non-commercial) use, however the source and attribution may not be modified. Users may not otherwise copy, print, transmit, rent, lend, sell or modify any images or modify or remove any proprietary notices contained therein, or create derivative works based on materials therefrom. They also many not disseminate any portion of the applicable sites subscribed to hereunder through electronic means except as outlined above, including mail lists or electronic bulletin boards.
Permission to photocopy or republish excerpts from McGraw-Hill books and digital resources may be obtained by submitting a written request to McGraw-Hill Education's Permissions Department. 
http://mhmedical.com/SS/help.aspx#image guidelines