Mark's uncle is about to have a procedure to treat his prostate cancer. the treatment involves placement of small
pellets close to the tumor to deliver a localized dose of radiation. what type of nuclear therapy is this?
external beam radiation
obrachytherapy
o radiopharmaceuticals
internal x-rays

Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.