Which of the following is an example of pathological metaplasia?
A. Atrophy of skeletal muscle fibers due to disuse
B. The change in the lining of the vagina from simple cuboidal epithelium to stratified squamous epithelium at puberty
C. A transformation of ciliated pseudostratified columnar epithelium to stratified squamous epithelium in respiratory passageways of smokers
D. The development of a tumor
E. The blebbing and rupture of cell plasma membranes by viruses
Answer: C
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The degree of fat on an animal that is ready for slaughter is known as ________________________________________
Fill in the blank(s) with correct word
Where in the hearts conduction system do the action potentials pause momentarily?
a. action potentials pass slowly through the atrioventricular node. b. action potentials pass slowly through the atrioventricular bundle. c. action potentials pass slowly through the Purkinje fibers. d. action potentials pass slowly through the bundle branches.
Absorbs water and electrolytes to form feces.
Water evaporation occurs on the skin as a result of both sensible and insensible perspiration.
Answer the following statement true (T) or false (F)