One characteristic of the immune response is specificity. This means that ________.
A. immunity is carried on by a specific group of tissues of the immune system
B. immunity starts in specialized tissues in the body
C. immunity starts in defined organs in the body
D. immunity is carried on by a specific group of cells of the immune system
E. immunity is directed against a particular pathogen
Answer: E
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The enteric plexus
A. is found in the mucosa. B. consists of the myenteric plexus and the celiac plexus. C. contains sympathetic neurons and fibers. D. controls movement and secretion of the digestive tract. E. is a valve in the GI tract.
The substance that aids in the breakdown of food in the mouth is called __________
Fill in the blank(s) with correct word
What are some problems associated with glucocorticoid use?
What will be an ideal response?
Which of the following statements is NOT true?
a. In the ECF, Na+ is accompanied primarily by Cl- and to a lesser extent by HCO3-. b. In the ICF K+ is accompanied by PO43-. c. In most organisms Na+ is the primary ion in the ICF. d. A fluid compartment found in all animals is produced by the digestive tract. e. All plasma constituents except proteins are freely exchanged between plasma and interstitial fluid.