A32-year-old woman is theorizing that breathing 100% oxygen should increase the amount of oxygen in her blood about fivefold, because room air is composed of approximately 21% oxygen. which of the following statement is most accurate answer to the hypothesis?
a. the amount of oxygen carried by her hemoglobin probably will increase markedly, but the mount soluble in her serum will remain the same.
b. the amount of oxygen carried in her blood will not rise appreciably.
c. the amount of oxygen in her blood will rise about fivefold.
d. the partial pressure of oxygen in her blood probably will remain unchanged.

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Anurse is preparing to administer lidocaine via continuous iv infusion at 4 mg/min. available is lidocaine 2 g dextrose 5% in water 500 ml. the nurse should set the iv pump to deliver how many ml/hr? (round the answer to the nearest whole number. use a leading zero if applicable. do not use a trailing zero.)

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?