Patients who are on chemotherapy drugs often lose their hair. Which BEST explains why this happens? a. Chemotherapy drugs are poisons that not only target cancerous cells, but also can affect healthy hair cells.
b. Chemotherapy drugs are antagonistic drugs that cause hair follicles to become inactive.
c. Chemotherapy drugs are agonist drugs and cause the cells to produce a protein that prevents hair cell growth.
d. Chemotherapy drugs are prodrugs and are activated when they reach the hair cells.

Explain the pathophysiologic changes that can cause the signs and symptoms associated with common bile duct obstruction.

Mr rogers is 2 days postoperative of a thoracotomy of removal of a malignant mass in his left chest. his pain is being managed via epidural catheter with morphine. as the nurse assumes care of mr rogers, he is alert and fully oriented and states that his current pain is 2 on a 1 -to-10 scale. his vital signs are 37.8-92-12, 138/82. what are benefits of epidural versus systemic administration of opioids? the nurse monitors mr roger’s respiratory status and vital signs every 2 hours. what is the rationale for this frequent assessments? the nurse monitors mr rogers for what other complications of epidural anelgesis?

List three other drugs used for anxiety or sleep that are not classified as benzodiazepines or barbiturates.