The mucous membranes of the nasal cavity moisten inspired air to ________ humidity.

A. 40%
B. 60%
C. 80%
D. 100%


Answer: C

Anatomy & Physiology

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Which of the following is not a component of the conducting zone structures?

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Answer the following statement true (T) or false (F)

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Starting from the collecting duct, indicate the order in which urea molecules move to maintain the medullary concentration gradient. (1) ascending limb

(2) distal convoluted tubule (3) interstitial fluid (4) collecting duct (5) descending limb A. 2, 5, 1, 4, 3 B. 1, 3, 5, 2, 4 C. 3, 5, 1, 2, 4 D. 4, 2, 1, 3, 5 E. 4, 3, 5, 1, 2

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