Of the following, the tissue with the greatest capacity for regeneration is
A) skeletal muscle.
B) neurons.
C) epithelium.
D) smooth muscle.
C
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.
B
Which of the following provides the least resistance to diffusion?
A) simple columnar epithelium
B) simple cuboidal epithelium
C) simple squamous epithelium
D) stratified squamous epithelium
C
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.
A
Inflamed tissue is often warm to the touch because of
A) accumulation of bacterial toxins.
B) increased blood flow to the area.
C) infiltration by neutrophils.
D) leakage of clotting proteins.
B
The best definition of fibrosis is
A) the production of collagen fibers.
B) the production of elastic fibers.
C) the formation of dense regular connective tissue.
D) the formation of scar tissue.
D
Which one of the following basic types of tissues functions as a covering tissue for the body?
A) epithelial
B) connective
C) muscle
D) nervous
A
Which of the following is not a characteristic of the inflammatory response?
A) attacks and eliminates specific foreign molecules
B) involves release of chemicals that cause local vasodilation
C) occurs within connective tissue
D) results in edema and delivery of chemicals needed for repair
A
A structure that secretes hormones into the blood is
A) a plasma cell.
B) a goblet cell.
C) an endocrine gland.
D) an exocrine gland.
C
Connective tissue that must resist forces pulling it from many different directions without stretching would most likely be
A) areolar connective tissue.
B) dense irregular connective tissue.
C) dense regular connective tissue.
D) reticular connective tissues.
B
The distinguishing characteristic between tight junctions and adherens junctions is that
A) adherens junctions attach to the actin myofilaments of the cytoskeleton, whereas tight junctions do not.
B) adherens junctions involve integral membrane proteins, whereas tight junctions do not.
C) tight junctions are present near apical lateral borders, whereas adherens junctions are located near basal lateral borders.
D) tight junctions involve fusion of proteins on adjacent cells, whereas adherens junctions create tunnels between adjacent cells.
A
Which letter indicates the connective tissue layer?
C
Which letter indicates the epithelium?
B
Which letter indicates microvilli?
E
Which letter indicates the cytoplasmic protein fiber that connects desmosomes?
E
Which letter indicates a cellular junction that prevents molecules from passing between epithelial cells?
A
Which letter indicates tunnel-like junctions in the lateral membranes of adjacent epithelial cells?
D
This tissue type, in addition to certain muscle tissues, is capable of generating electrical impulses.
a. muscle
b. nervous
c. connective tissue
B
Bone and cartilage are examples of tissues in this category.
a. muscle
b. nervous
c. connective tissue
C
This type of tissue includes smooth and cardiac
a. muscle
b. nervous
c. connective tissue
A