Edema (swelling) occurs when ________.
a. collagen fibers enlarge as they change from dehydrated to hydrated shape
b. areolar tissue soaks up excess fluid in an inflamed area
c. reticular connective tissue invades the area
d. adipose cells enlarge by pinocytosis
Ans: b. areolar tissue soaks up excess fluid in an inflamed area
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Refer to the accompanying figure. The function of the structure labeled as 6 is to:
a. secrete an alkaline fluid that neutralizes the acids of the vagina. b. produce a nutritive fluid for the sperm. c. provide a place for maturation and storage of sperm. d. secrete mucus that lubricates the penis. e. maintain sperm at a low body temperature
A hemagglutination test is useful for
A. determining antibody titer. B. blood typing. C. determining effectiveness of immunization. D. detecting presence of a pathogen in patient serum. E. diagnosing viral infection.
The analysis of genetic relatedness by observing the DNA fragmentation patterns resulting from restriction endonuclease cleavage is referred to as ________.
A. genetic patterning B. genetic restriction C. genetic fingerprinting D. genetic chunking
Foods made from refined white flour and refined sugars ____
a. promote fat usage b. include complex carbohydrates c. are linked to increased risk of heart disease and type 2 diabetes d. have little impact on insulin levels e. are an essential part of a balanced diet