An injury to the occipital lobe will likely impair the function of the

primary visual cortex

Explanation:

The occipital lobes are the center of our visual perception system. They are not particularly vunerable to injury due to their location in the back of the brain, although any significant trauma to the brain could produce subtle changes to our visual-perceptual system, which cause defects and scotomas of the field of vision.

i don't think so because different teachers have different materials. tehy teach differently, unless you know for sure your teacher is the exact same as others. i would just contact ur teacher