Which of the following are flow-measuring devices?

I. water seal spirometer
II. Fleisch pneumotachometer
III. dry rolling seal spirometer
IV. thermal anemometer
A) I and II
B) I and III
C) II and III
D) II and IV


D

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With increasing age there is an increase in the prevalence of anemia, primarily due to________ deficiency

Fill in the blank(s) with correct word

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The clear, circular disk located just posterior to the iris that helps the eye focus is the ________, which is shown at letter F in the figure. 

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The term meaning difficulty swallowing is

a. dysphasia. b. dysphagia. c. atrophy. d. dystrophy.

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Trichomonas is an example of a

A) rickettsia infection B) bacterial infection C) protozoal infection D) viral infection

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