ATOS Question:
Which of the following signal molecules pass through the plasma membrane
and bind to intracellular receptors that move into the nucleus and function as
transcription factors to regulate gene expression? (Circle your answer)
a. Epinephrine, a protein hormone
b. Neurotransmitter released into synapse between nerve cells
Yeast mating factors alpha and beta
d. Testosterone, a steroid hormone
C.
Students are mere on this side

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?