The ligamentum teres is the remnant of the fetal ductus venosus.
Answer the following statement true (T) or false (F)
False
Rationale: The ligamentum teres is the remnant of the fetal umbilical vein.
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Where is the series elastic component (SEC) of a muscle found?
A. tendons B. ligaments C. muscle membrane D. all of the above
The ____________________ fibers of the autonomic nerve pathway are located in the central nervous system
Fill in the blank(s) with correct word
Which of the following most accurately describes how foreign substances can activate complement?
A. Foreign proteins are phagocytized by macrophages and directly activate complement. B. Foreign substances can bind to spontaneously activated C3 and stabilize it. C. Both "Antibodies can bind to foreign antigens and activate complement through the classical pathway" and "Foreign substances can bind to spontaneously activated C3 and stabilize it" are correct. D. Foreign proteins bind to C1 and activate it. E. Antibodies can bind to foreign antigens and activate complement through the classical pathway.
Water channels in cells in the collecting duct are called ________.
Fill in the blank(s) with the appropriate word(s).