61) Cancer can arise from each of the following
except
A) induced apoptosis.
B) exposure to a carcinogen.
C) inactivation of a tumor-suppressor gene.
D) turning on of oncogenes.
62) In connective tissue, extracellular matrix is not exactly the same as ground substance, because the matrix also contains
A) fibers.
B) cells.
C) an epithelium.
D) blood.
63) When cells from a cancerous tumor travel to other parts of the body, this process is called
A) carcinogenesis.
B) malignancy.
C) metastasis.
D) transformation.
64) A muscle fiber is
A) the same as a collagen fiber that is viewed by electron microscopy.
B) part of a striation of a muscle cell.
C) a muscle cell.
D) an intercalated disc.
65) Of the following, the tissue with the greatest capacity for regeneration is
A) skeletal muscle.
B) neurons.
C) epithelium.
D) smooth muscle.
66) Cartilage is a form of ________ tissue.
A) epithelial
B) connective
C) muscle
D) nervous
67) A common example of a unicellular exocrine gland is
A) a fibroblast.
B) any hormone-secreting cell.
C) an endothelial cell.
D) a goblet cell.
68) Tissue types which are known as mucous and serous membranes are comprised of sheets of epithelial cells and
A) adipose tissue.
B) areolar connective tissue.
C) reticular connective tissue
D) elastic connective tissue.
69) When unstretched, transitional epithelium looks most like ________ epithelium.
A) simple squamous
B) pseudostratified columnar
C) stratified squamous
D) stratified cuboidal
70) A pseudostratified epithelium is always
A) simple.
B) ciliated.
C) stratified.
D) cuboidal.
71) The embryonic tissue that gives rise to the adult connective tissues, consisting of star-shaped cells separated by large amounts of extracellular matrix, is
A) ectoderm.
B) epithelium.
C) mesenchyme.
D) hypoblast.
72) The type of cell junction that closes off the space between epithelial cells, thereby limiting the passage of small molecules, is the
A) tight junction.
B) adherens junction.
C) desmosome.
D) gap junction.
73) Cell junctions occur in which plasma membrane of epithelial cells?
A) apical
B) lateral
C) nuclear
D) basal lamina
74) In connective tissues, the primary extracellular molecules responsible for resisting tension are
A) intermediate filaments in fibroblasts.
B) collagen fibers.
C) proteoglycans
D) elastin fibers.
75) A connective tissue that has a liquid matrix is
A) areolar connective tissue.
B) tissue fluid.
C) blood.
D) epithelium.