The most prominent distinguishing characteristic of elastic cartilage is the presence of ________
A) numerous thick collagen fibers interspersed between alternating rows of lacunae in the matrix
B) chondrocytes
C) densely packed elastic fibers in the matrix.
D) a glassy appearance
C
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The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function properly. Which of the following cells is most responsible for this?
A) satellite cells B) astrocytes C) Schwann cells D) oligodendrocytes
An exocrine gland has two parts,
A. a duct and a secretory portion. B. a basement membrane and a goblet cell. C. a brush border and a glandular portion. D. an acinus and a brush border. E. a duct and a basement membrane.
A Ca2+-binding protein in smooth muscle is calmodulin
Indicate whether the statement is true or false.
Decreased renal filtration that occurs with aging can be the result of
A. increased respiratory effort. B. decreased cardiac output. C. increased fluid volume. D. decreased ADH secretion. E. decreased peripheral resistance.