According to both the Chicago Manual of Style and the American Anthropological Association's protocol, in scholarly essays movie titles should be italicized.
Underlining was used when typewriters were the height of technology. It was then identified by the printer, who would be publishing the work that the words needed to be italicized. If you are hand writing, you obviously underline
No. Only titles of full-length movies and books are italicized. Names are not italicized (unless they are part of the movies' title, for example, The Curious Case of Benjamin Button).
MLA Pre-2009:
I think you underline
MLA 2009 to Present
As of the 2009, you now italicize movie titles.
Yes, movie titles should be italicized in a novel to distinguish them from the rest of the text. This helps to indicate to the reader that the title is a distinct entity within the narrative.
Most novelists do not, therefore you could argue you should not either. However, I believe under the technical rules, the answer is yes.
Yes they should be italicized.
yes, you should always italicize names of movies, books or similar in essays or stories alike.
italicize the title of the novel
yes
Italicize or underline the title.
Whenever possible, italicize novel titles. Otherwise, underline them.
In a citation, you should not italicize the title of an article, book, or journal. You should italicize the title of the journal or book, but not the title of the article itself.
Italicize it.
Well that depends. If you are writing it on paper, then you use quotations. If you are typing it on a computer, then you italicize it. You also italicize/put in quotations anything else from TV except movies, which you underline.
Italicize it. Some people might say to underline, but only do that if you're using a typewriter.
Yes - always.
Yes, it should look like H. pylori