Barriers include all of the following EXCEPT ________.

A. mucous membranes
B. skin
C. sebaceous gland secretions
D. erythrocytes


Answer: D

Anatomy & Physiology

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In adipose tissue, hormone-sensitive lipase

A) Is controlled by corticotropin, epinephrine, and glucagon. B) Is activated via the IP3 pathway of signal transduction. C) Regulates the docking of LDL and other lipoproteins. D) All of the above

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What type of chemical messenger will act locally on nearby cells?

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Air passing from the pharynx to the trachea must pass through the:

A. nasal cavity. B. bronchi. C. larynx. D. diaphragm.

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