The lining of the lower respiratory tract presents barriers to drug absorption and includes which of the following elements? 1. Airway surface liquid 2. Capillary vascular network 3. Epithelial cells 4. Interstitium

a. 1 and 2 only
b. 1 and 3 only
c. 1, 2, and 3 only
d. 1, 2, 3, and 4

ANS: D

Health Professions

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________ is a decrease or wasting away of muscle tissue and occurs rapidly in an inactive patient

a. Atrophy b. Strain c. Sprain d. All of the above

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Small fluid-filled sac located around freely moveable joints, usually under tendons, are called ____________ and they reduce ___________________ between moveable parts

Fill in the blank(s) with the appropriate word(s).

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