This will affect signal transduction at the synapse by fewer ion channels will open in the postsynaptic. The correct answer is D.
Just walk out and if you end up getting in trouble tell them you really needed to go and couldn't wait anymore.
Osteoporosis. The prefix "osteo" means bone, "poro" means porous/with holes, and "osis" is a suffix that denotes an abnormal condition or state of being.