All of the following are true about the classical pathway except
a. Begins with formation of C1 from C1q, C1r, and C1s molecules
b. Consists of C5b and C6-C9
c. Is regulated by two mechanisms in the fluid phase
d. Is regulated on cell surfaces with complement control proteins
Answer: b
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Which of the following is not a function of the kidneys?
A. produce urine B. maintain correct fluid balance C. regulate acid-base balance D. destroy red blood cells
Near the end of the blood's journey through the kidney, in which area are the other substances that have not already been filtered secreted into the urine?
a. Glomerulus b. Proximal convoluted tubule c. Henle's loop d. Distal convoluted tubule
The outermost covering of the spinal cord is the
A) pia mater. B) arachnoid. C) endosteal layer of the dura mater. D) meningeal layer of the dura mater.
________ expressions include such terms as "each and every," "first and foremost," and "physician's patient."
A. Redundant B. Inactive C. Active D. Passive