The design of the operating theatre recommends good ventilation. the air flow should be from

While gloving prior to beginning an arthroscopic procedure, the surgeon questions the necessity for double-gloving. which of the following are the most appropriate reasons to double-glove? 1. the barrier efficacy of latex decreases over time. 2. latex has a lattice-like structure that can lead to fluid passage. 3. minimally invasive procedures increase the risk of infection. 4. double-gloving adds protection from infection due to puncture injuries. a. 1,2, and 3 only b. 1,2, and 4 only c. 1,3, and 4 only d. 2,3, and 4 only

The nurse in a gynecology clinic is completing preoperative teaching for a patient scheduled for an abdominal hysterectomy next week. the patient states that she is currently taking 325 mg of aspirin daily for chronic joint pain, along with multivitamin. the patient has type 2 diabetes; she closely monitors her blood glucose levels. currently she is taking an oral hypoglycemic agent. the nurse advises her to ask the anesthesiologist whether she should take this medication the morning of surgery. q1. the nurse instructs the patient to stop taking the aspirin. what is the rationale for this action. q2. why is it important to assess the patient of use of herbal products prior to surgery. q3. the patient asks how surgery could affect her blood glucose; how should the nurse respond?

Which of the following statements is accurate in describing the activity of the lactase enzyme? a. lactase can function equally effectively at many different ph levels b. the shape of lactase does not change during the reaction c. lactase is converted to glucose and galactose by the reaction d. one lactase enzyme can catalyze many reactions