Tmcc A&p Vet Tech Fall 2008 Ch 4.
Chapter 4, Tissues: Living Communities
- 1.
What are the four different types of tissue?
- A.
Epithelial, muscle, nervous, connective
- B.
Epithelial, muscle, nervous, glandular
- C.
Muscle, nervous, cartilage, bone
- D.
Nervous, muscle, epithelial, goblet
- E.
Muscle, epithelial, connective, fibers
Correct Answer
A. Epithelial, muscle, nervous, connective -
- 2.
The study of microscopic structures of tissues is called histology.
- A.
True
- B.
False
Correct Answer
A. True -
- 3.
What is epithelial tissue composed of?
- A.
Fibers, cells and ground substance.
- B.
Neurons and neuroglial cells.
- C.
Actin and myosin.
- D.
Sheets of cells that cover and line other tissues.
- E.
Dendrites, cartilage, perikaryon.
Correct Answer
D. Sheets of cells that cover and line other tissues. -
- 4.
Epithelial tissue can function in the manufacture of secretions and excretions.
- A.
True
- B.
False
Correct Answer
A. True -
- 5.
What two surface do epithelial cells contain?
- A.
Rough and smooth.
- B.
Granular and jagged.
- C.
Basement membrane and brush border.
- D.
Apical and basal.
- E.
Kerotinized and stratified.
Correct Answer
D. Apical and basal. -
- 6.
The apical surface of epithelial tissue faces the underlying connective tissue and the basal surface faces the lumen.
- A.
True
- B.
False
Correct Answer
B. False -
- 7.
What do epithelial cells rely on to provide oxygen and nutrients and why?
- A.
Rely on osmosis to absorbs nutrients from the external source due to loose connective cellular matrixs.
- B.
Rely on underlying connective tissue and are vascular.
- C.
Rely on goblet cells to provide nutrients because of the pinocytosis actions of the goblet cells.
- D.
Transport RNA delivers the nutrients to the cells because Epithelial cells lack ATP to produce their own nutrition.
- E.
Rely on underlying connective tissue and are avascular.
Correct Answer
E. Rely on underlying connective tissue and are avascular. -
- 8.
Junctional complexes connect the lateral surface to neighboring cells, leaving little room for ___________.
Correct Answer
extracellular matrix - 9.
Some epithelia lack nerves, but most are ________ to provide sensory input.
- A.
Polar.
- B.
Stable.
- C.
Columnar.
- D.
Innervated.
- E.
Filtered.
Correct Answer
D. Innervated. -
- 10.
What are between the plasma membranes of adjacent cells that transport nutrients from underlying connective tissue?
- A.
Cilia.
- B.
Matrix-filled channels.
- C.
Flagella.
- D.
Oviduct.
- E.
Gap junctions.
Correct Answer
B. Matrix-filled channels. -
- 11.
The passages between cells act as distribution routes and elimination routes for waste.
- A.
True.
- B.
False.
Correct Answer
A. True. -
- 12.
What kind of junction links epithelial cells to the basement membrane?
- A.
Hemidesmosomes.
- B.
Tonofilaments.
- C.
Connexons.
- D.
Keratin.
- E.
Brush border.
Correct Answer
A. Hemidesmosomes. -
- 13.
How are tight junctions formed?
- A.
Exocytosis of intercellular proteins.
- B.
Electrostatic attraction.
- C.
Build up of polar molecules outside the cell.
- D.
A gluey substance called Mucin.
- E.
The fusion of the outermost layers of the plasma membranes of adjoining cells.
Correct Answer
E. The fusion of the outermost layers of the plasma membranes of adjoining cells. -
- 14.
A strong, welded plaque, or thickening, that connects the plasma membranes of adjacent cells is called?
- A.
Keratin.
- B.
Desmosome.
- C.
Cartilage.
- D.
Bone Marrow.
- E.
Gap junction.
Correct Answer
B. Desmosome. -
- 15.
Intermediate filaments called tonofilaments extend from the plaque into the cytoplasm.
- A.
True.
- B.
False.
Correct Answer
A. True. -
- 16.
Connexons link cells connected by gap junctions and are tubular channel proteins.
- A.
True.
- B.
False.
Correct Answer
A. True. -
- 17.
What is the basement membrane?
- A.
The foundation of the epithelial cell.
- B.
The seperation between upper and lower portions of the matrix.
- C.
A protective layer that is constantly sloughing off.
- D.
Increases the surface area of a cell.
- E.
A protective, waterproof substance.
Correct Answer
A. The foundation of the epithelial cell. -
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