Which of the following is NOT a chemical barrier that helps prevent entry of microbes into the body tissues?
A. Sebum
B. Normal flora
C. Lysozyme
D. Cytokines
Answer: D
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The dura mater proper is the periosteal lining of the vertebral canal below the foramen magnum.
Answer the following statement true (T) or false (F)
Each consecutive bone lamella has collagen fibers that wrap in alternating directions
Indicate whether the statement is true or false
The greater the ____________________ of the plasma membrane for a given ion, the greater the tendency for that ion to drive the membrane potential toward the ion's ____________________ potential
Fill in the blank(s) with correct word
Tubular reabsorption and tubular secretion differ in that
A. tubular secretion is a passive process; tubular reabsorption uses active transport. B. tubular secretion adds materials to the filtrate; tubular reabsorption removes materials from the filtrate. C. tubular reabsorption increases urine volume; tubular secretion decreases urine volume. D. tubular reabsorption occurs in Bowman's capsule; tubular secretion occurs in the peritubular capillary. E. tubular secretion moves materials from the filtrate into the blood; tubular reabsorption moves materials from the blood into the filtrate.