What are the only two places in the entire circulatory system at which gas exchange can take place?
a. pulmonary and cardiac capillaries
b. pulmonary and the systemic capillaries
c. bronchioles and alveoli
d. arterial and venous capillaries
e. arteries and veins
b
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Activation of sympathetic nerves that innervate lung tissue results in
A. bronchoconstriction. B. bronchodilation.
Choose the statement that is false or incorrect.
A) In chemical reactions, breaking old bonds requires energy and forming new bonds releases energy. B) Exergonic reactions release more energy than they absorb. C) Endergonic reactions absorb more energy than they release. D) A key feature of the body’s metabolism is the almost exclusive use of exergonic reactions by the body.
Inhibiting adenyl cyclase in olfactory sensory neurons would
A) convert the olfactory receptors from phasic to tonic receptors. B) expand the range of sensitivity of these receptors. C) increase the sensitivity of these receptors. D) have no effect on these receptors. E) reduce the sensitivity of these receptors.
________ is characterized by endothelial changes and plaque accumulation. (Note: Be sure to capitalize the first letter of your answer).
Fill in the blank(s) with the appropriate word(s).