True or False? Increasing ventilation will increase the PO2 and decrease the PCO2, which promotes gas exchange.
Answer the following statement true (T) or false (F)
True
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The intrapulmonary pressure
a. is the pressure within the air sacs of the lung b. always equilibrates with atmospheric pressure c. is always less than intrapleural pressure d. is both a and b e. is both a and c
In general, polar molecules diffuse more rapidly across cell membranes than do nonpolar molecules
Indicate whether the statement is true or false.
Which of the following organs has both endocrine and exocrine functions?
A) The thymus B) The pineal gland C) The salivary glands D) The adrenal gland E) The ovary
What condition occurs when the lens of the eye loses elasticity and can no longer assume the spherical shape required to accommodate for near vision?
a. myopia b. optomia c. macular degeneration d. cataracts e. presbyopia