A nurse is monitoring the respiratory status of a client who has just undergone surgery and is wearing a pulse oximeter. Which coexisting problem is cause for the nurse to suspect that the oxygen saturation readings are not entirely accurate?
A. Infection
B. Hypertension
C. Low blood pressure
D. Loss of cough reflex
Ans: C. Low blood pressure
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The actions of buffer systems allow the body to rapidly and effectively respond to alterations in the H+ concentration of body fluids. How do the kidneys primarily contribute to a stable balance between acids and bases?
A) By regulating the combination of water and carbon dioxide, thus controlling levels of carbonic acid B) By selectively reabsorbing HCO3- ions, which in turn act as H+ ion receptors C) By regulating the ventilation rate and consequent blood levels of CO2 D) By controlling the process of erythropoiesis and consequent hemoglobin levels
One hour after admission to the postanesthesia care unit (PACU), the postoperative client has become very restless. What is the nurse's first action?
a. Assess for bladder distention. b. Assess the oxygen saturation level. c. Call the surgeon to assess the client. d. Administer pain medication as ordered.
If a nurse assesses a newborn as having erythema toxicum, what should be done?
A) Immediately call the doctor B) Change and bathe the infant C) Check all of the baby's vital signs before calling the doctor D) Do nothing
Chronic noncancer pain:
A. Is often psychosomatic B. Is best treated with nalbuphine C. Is exacerbated with the use of tricyclic antidepressants D. Is best treated in a multidisciplinary fashion E. Usually affects blood pressure and heart rate