Which of the following is a hydrogen ion donor?
A) acid B) alkali substance C) base D) neutral substance
Answer: A
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Which of the following is/are most important factor(s) affecting the magnitude of centripetal force?
A. tangential linear velocity B. radius of rotation C. mass D. all of the above are equally important
Intermediate filaments
A) form the neurofilaments in nerve cells. B) provide the cell with strength. C) transport materials within the cytoplasm. D) stabilize the position of organelles. E) All of the answers are correct.
Major events produced by inflammation include
A) redness, swelling, heat, and pain. B) redness, pus, fever, and rapid heart rate. C) tears, swelling, pain, and fever. D) swelling, redness, tissue damage, and altered pH. E) heat, pain, fever, and activation of the complement system.
Nutrients from the digestive tract enter the
A) inferior vena cava. B) superior vena cava. C) hepatic portal vein. D) hepatic vein. E) azygos vein.