As pO2 falls at altitudes above 9,000 to 10,000 feet, chemoreceptors create a hypoxic stimulus, decreasing ventilation.
Answer the following statement true (T) or false (F)
False
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You respond to a motor vehicle collision in which a 22-year-old woman has suffered several cuts. You determine that the airway is patent and the patient is breathing adequately. The patient's blood pressure is maintaining at a stable level, and you estimate that she has lost approximately 10 percent of her circulating blood volume. She is alert and oriented but seems nervous. From these findings,
you would determine that your patient is in ________ hemorrhage. A) Class I B) Class II C) Class III D) Class IV
A patient who has been receiving mechanical ventilation for a week has just developed VAP. How does this epidemiologic variable (time of onset) affect patient treatment and outcome?
A. no different than if the patient developed VAP after 2 days of mechanical ventilation B. involvement of multidrug resistant pathogens and increased mortality C. associated with antibiotic-sensitive bacteria, but increased mortality D. connected with variably sensitive bacteria and better prognosis
The dura mater proper is the inner meningeal layer of the dura mater
Indicate whether the statement is true or false
Which of the following statements regarding the umbilical cord is correct?
A. The umbilical arteries carry oxygenated blood to the fetus. B. Waste products from the fetus return via the umbilical vein. C. The umbilical cord contains two veins and one artery. D. The umbilical vein carries oxygenated blood to the fetus.