When an action potential abides by the all-or-nothing principle, once it reaches its threshold it moves all the way down the axon Multiple choice question.

slowly losing half of its intensity.

losing its intensity before gaining it again.

immediately increasing in intensity.

without losing any of its intensity.

One possible issue in adherence to medication regimen. explain how this can be overcome.

How can a failure to contain your emotions harm your advancement prospects?

Ahealthy 26-year-old woman sustained a significant crush injury to her right upper extremity while on the job at a local construction site. she was brought to the emergency department and subsequently underwent pinning and reconstructive surgery and received perioperative broad-spectrum antibiotics. her blood pressure remained normal throughout her hospital course. on the second hospital day, a medical consultant noted a marked increase in her creatinine, from 0.8 to 1.9 mg/dl. her urine output dropped to 20 ml/h. serum creatine kinase was ordered and reported as 3400 units/l. questions what are the primary causes of this patient’s acute kidney injury? how should her kidney injury be categorized (as prerenal, intrarenal, or postrenal)? how should she be treated?