Why is a cell membrane important in the defense of a cell

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?