Water is forced through capillary walls by ____.
A. different concentrations of substances
B. low pressure of the blood
C. filtration
D. osmosis
E. diffusion
C. filtration
Water is forced through the capillary walls via filtration because the blood is under pressure as it enters the capillary.
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With the end expiratory pause is factored in, what is the normal I:E ratio for an adult at rest?
A. 1 : 3 B. 1 : 2.5 C. 1 : 1 D. 1 : 2
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The abbreviation used for twice a day is ________
A) b.i.d. B) p.r.n. C) TAD D) TID
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Which of the following structures of the tooth appears the most radiopaque?
A) Cementum B) Enamel C) Dentin D) Pulp
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When breathing FIO2 1.0 at sea level, what would the PN2 in the alveoli equal?
A. 0 B. 593 mm Hg C. 573 mm Hg D. 47 mm Hg
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