The anatomic features of the respiratory membrane that make alveolar gas exchange so efficient are
A. the high degree of moisture and the large ratio of volume to surface area.
B. its large surface area and minimal thickness.
C. its thinness, high water content, and scarcity of capillaries.
D. its hearty thickness and the presence of oxygen transport pumps.
B
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The inner ear houses the organs of both static and dynamic equilibrium.
Answer the following statement true (T) or false (F)
There is a direct correlation between the potency of a general anesthetic such as ether and its ability to
A) dissolve in water. B) dissolve in lipids. C) bind to proteins. D) interact with carbohydrates. E) bind to DNA.
Which is not a function of cerebrospinal fluid?
A. CSF helps to remove waste products from the brain. B. CSF helps to reduce the effective weight of the brain. C. CSF transports nutrients and chemicals to the brain. D. CSF helps to promote mitosis within neuronal tissue. E. CSF provides a liquid cushion to protect the brain from sudden movements.
The ________ synthesizes bile acids by metabolizing ________
A) pancreas; bile salts B) liver; cholesterol C) gallbladder; cholesterol D) duodenum; neutral fats E) ileum; bilirubin