Which electrolytes pose the most potential hazard if not within normal limits for a person with renal failure?
a. Phosphorous and calcium c. Magnesium and sodium
b. Potassium and calcium d. Phosphorous and magnesium
B
Although most electrolytes, such as potassium, become increasingly elevated in patients with acute renal failure, calcium levels are reduced. In each case, these conditions produce life-threatening cardiac dysrhythmias.
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A nurse is assessing a healthy, older adult patient for an exercise program to be offered at the local hospital. During the evaluation, the nurse notes the following vital signs:
P = 72, RR = 16, BP = 132/70 . After 3 minutes of moderate-intensity running on the treadmill, the patient becomes short of breath and states, "I have to stop. I can't do this anymore." The nurse measures his vital signs again: P = 152, RR = 40, BP = 172/98 . She instructs him to rest. Vital signs return to baseline after 15 minutes. The nurse should recognize his symptoms as associated with which of the following? a. Anxiety b. Orthostatic hypotension c. Limited activity tolerance d. Respiratory distress
An electrician who has been working 14 to 16 hour/day for several weeks in order to ensure the financial survival of his business presents to his family physician with complaints of persistent headaches and insomnia
His family physician attributes the physical complaints to the ongoing stress that the man has been undergoing. Which of the following factors has most likely contributed the most to the man's response to this stressful period of his life? A) The fact that he has previously had difficulty coping with stress B) The fact that he is not physically active on a regular basis C) The fact that his company is heavily in debt D) The fact that he takes diuretic medication for his hypertension
An older patient asks a nurse, "My doctor referred me to a hearing specialist who thinks that surgery for a cochlear implant may be beneficial for me. Can you tell me how one of those things works?"
The nurse formulates a response based on the knowledge that: a. a cochlear implant is permanent, surgical-ly-implanted hearing aid. b. a cochlear implant speeds up the conduc-tion of sound to the auditory nerve. c. a cochlear implant functions as an artificial auditory nerve. d. a cochlear implant directly stimulates the auditory nerve.
You are caring for an elderly patient who is overweight. Your patient has been admitted to the surgical unit following a colon resection. What complication is this patient at increased risk for in the postoperative period?
A) Hyperglycemia B) Azotemia C) Falls D) Infection