Question how did teacher react to basically ******* everyone over by poor planing and ignoring the study guide?

How did the teacher react

Get your classmates together and go to the head of his department, since he or she has probably already tried to blow it off as not being their fault. If they are the department head or the department head has the idiotic "teachers are always right" mentality, go to the dean. Get as many of your classmates together as possible- gather up all the work you've done for the class, and bring it in with the exams. Make notes of what was covered in the work, notes on what the test has on it, and show the lack of overlap. The more people the better- it's easy to dismiss one person as having been lazy but an entire class isn't so easily ignored. If you want to go for overkill, see if any of the teachers other classes had this happen, and get them to come along too if it did.

In my opinion, if the whole class fails, it speaks to the incompetency of the teacher, not the fault of the students. I'd do exactly what other people here have said, gather everyone together and take it to higher authorities, cause that's unacceptable.

Go to the head of the department. When this happened in our program (respiratory) and 8 out of 9 people failed, we went to the dean of allied health care and we were all given a second test and new study guides.