What causes heart sounds?
A) Blood hitting an obstruction in the peripheral circulation
B) Blood traveling through the heart
C) Closing of the heart valves
D) Opening of the heart valves
C
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A situation in which a person's behavior is so unusual that it alarms another person or requires intervention is a(n):
A) psychological crisis. B) emotional dilemma. C) behavioral emergency. D) critical affective period.
A cooperative and alert postoperative patient who is able to eat requires a continuous but low FiO2. Precise FiO2 concentrations are not needed. Which of the following devices would best achieve this end?
a. Simple O2 mask b. Air-entrainment mask c. Nasal cannula d. Nonrebreathing mask
The laboratory temperature of the refrigerator should be checked ________.
A. daily B. twice a week C. weekly D. biweekly
_____Eardrums
a. TMs b. SCDs c. RLQ d. LFTs