This is a pretty complex societal issue, but I personally think simpak is right about nursing and education being considered 'female' occupations, and this is also a result of traditionally/historically patriarchal gender roles. Overall women statistically experience a lot more of these problems, but nursing and education are fields men are reluctant to enter (more particularly nursing) at least in part due to the gender expectations of people and society. Anecdotally speaking, whenever I throw out the possibility of taking postgrad nursing, people (including my own family) laugh openly, because it's not seen as a male profession.
Occupations don't need to be 50/50 of each majority gender, but there is a definite problem on both sides of the playing field here.
ANYWAY, re. Bardia Saeedi, so long as you're familiar with all the lecture and practical (not to such an extent, but one or two MCQs will probably involve prac material) content, the exam will be easy-breezy. I didn't do the extended response of the single sample paper either (since written responses scare me until I'm actually in the exam) and I was more than completely fine with the entirety of the exam in both semesters. Do make sure you know everything the lecturers have SAID, not only what they've put on their Powerpoint slides.

ALSO re. Ballerina, the science ratio doesn't surprise me, since more girls enrol in undergraduate biology, geography and psychology, and there are far more biology majors to choose from than chemistry, physics etc., which may have many subjects but usually only a single or a small number of available major sequences; UoM has twenty-two biologically/psychologically-based majors, but only two maths majors, five male-dominated engineering majors (out of seven) and three physics majors (one of which is an overlap with maths).