Obi is trying to determine if a powdery, solid substance is an element or a compound. After recording some observations, he strongly heats a sample of the solid over a burner flame. After fifteen minutes, he turns off the flame and allows the sample to cool. He records his final observations in the data table.

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?

Anurse is teaching about a new prescription for infliximab to a client who has rheumatoid arthritis. which of the following information should the nurse include in the teaching? a. “you will receive a mantoux test before the initial medication dose.” b. “you might experience diarrhea during the first 2 weeks of treatment.” c. “you will receive the medication every week for 6 weeks.” d. “you should receive the intranasal influenza vaccine.”

Aperson was admitted in a coma. analysis of the arterial blood gave the following vlues: pco2 16 mm hg hco3-5 mmol/l and ph 7.1. what is the underlying acid-base disorder? a. metabolic acidosis b. metabolic alkalosis c. respiratory acidosis d. respiratory alkalosis