Which stage of decubitus ulcer is the most serious?
A) I
B) II
C) III
D) IV
D
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All of the following can lead to malnourishment in the elderly population EXCEPT:
A) diminished salivation and gastric secretions. B) a disruption of the sleep-wake cycle. C) decreased senses of taste and smell. D) decreased financial resources.
Should the therapist perform a patient-ventilator check in addition to regularly scheduled intervals dictated by patient acuity? I. whenever the Fio2 is changed II. before an arterial blood sample is obtained III. in advance of compliance measurements IV. immediately after airway resistance measurements
A. I, IV only B. II, III only C. II, III, IV only D. I, II, III, IV
The purpose of the four valves of the heart is to ____.
A. control the rate of blood flow B. ensure one-way blood flow C. keep the blood in the correct chamber D. maintain blood pressure E. generate rhythmic contractions