Which of the following are advantages of a Stead-Wells water seal spirometer compared with a chain-compensated water seal spirometer?
I. higher frequency response
II. can measure subtle flow rates
III. less affected by inertia
IV. more accurate volume measurement
A) I
B) I and II
C) I, II, and III
D) I, II, III, and IV
C
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Which one of the following best describes the concept of afterload?
A) Pressure that the left ventricle must pump blood against B) Ability of the heart to adequately contract and pump blood C) Amount of blood that a person has in the arteries at any one given moment D) Amount of blood returned to the lungs for oxygenation
X-rays are carriers of
a. disease. b. electrons. c. fluorescent properties that make them visible. d. manmade electromagnetic energy.
The HIPAA Security Rule established protection for all PHI stored in electronic format
Indicate whether the statement is true or false
Chlorhexidine stain is a permanent stain and cannot be removed with toothbrushing
a. True b. False Indicate whether the statement is true or false