Carbon dioxide (CO) from tissue cells forms ________ when combined with water. This compound dissociates into H+ and ________, and participates in an important buffering system in the blood
A) hydrochloric acid, bicarbonate ions B) carbonic acid, HCO3-
C) hydrochloric acid, Cl- D) carbonic acid, CO3
Answer: B
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The Hering-Breuer reflex
A) alters pulmonary ventilation when the PCO2 changes. B) is an important aspect of normal, quiet breathing. C) functions to increase ventilation with changes in blood pressure. D) prevents overexpansion of the lungs. E) alters pulmonary ventilation when the PO2 changes.
Each lobe of the lung can be subdivided into smaller units called ________.
Fill in the blank(s) with the appropriate word(s).
________ is the branch of medicine that studies the characteristics, causes, and effects of disease.
A. Anatomy B. Physiology C. Pathology D. Pharmacy
Secretion of ________ would not be expected to result in a fever.
A. interleukin-6 B. interferon C. tumor necrosis factor D. interleukin-1