What is the correct order of passageways, from proximal to distal?
A) terminal bronchiole, alveolar duct, respiratory bronchiole
B) terminal bronchiole, respiratory bronchiole, alveolar duct
C) respiratory bronchiole, terminal bronchiole, alveolar duct
D) alveolar duct, respiratory bronchiole, terminal bronchiole
Answer: B
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Palytoxin is a very potent toxin from a particular seaweed in Hawaii that locks the carrier proteins of the ion pump system of the cell in an open position. What result would this have on cell function?
A) Sodium cannot enter the cells, and cell metabolism is damaged. B) The cells cannot utilize glucose. C) Phagocytosis is inhibited. D) Diffusion cannot occur. E) The cell cannot concentrate ions to achieve concentrations necessary for cell function.
Action potentials are conducted rapidly from one node of Ranvier to the next in a process called ________ conduction.
Fill in the blank(s) with the appropriate word(s).
An inflammation of sebaceous glands that occurs during adolescence is
A. acne vulgaris. B. psoriasis. C. impetigo. D. decubitus ulcer.
Match the following systems to their functions:
A) Lymphatic B) Cardiovascular C) Immune D) Endocrine 1) Controls the body with chemical molecules called hormones. 2) Delivers oxygen and nutrients to the tissues. 3) Produces antibodies that neutralize foreign substances. 4) Removes and filters excess fluid from tissues.