The genetically unique carbohydrate coat that enables the cell to identify "self " from "non-self " is the ________.
A. glycocalyx
B. basement membrane
C. cytoskeleton
D. plasma membrane
E. serosa
Answer: A
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Which of the following tissues are classified as "connective tissue proper"? 1. areolar connective tissue 2. adipose tissue 3. fibrocartilage 4. dense irregular connective tissue
A) 3 and 4 B) 1, 2, and 3 C) 1 and 2 D) 1, 2, and 4 E) 1 and 3
All prostaglandins are derived from a 20-carbon precursor molecule called
a) thromboxane. b) intrinsic factor. c) thymopoietin. d) arachidonic acid. e) cholesterol.
Which of the following is NOT a part of MALT (mucosa-associated lymphoid tissue)?
A. lymph nodes B. tonsils C. appendix D. Peyer's patches
The ________ of the stomach and intestine secrete histamine and serotonin.
A. chief cells B. parietal cells C. enterochromaffin-like (ECL) cells D. G cells