Practice Exam Chapter 4

1) Which one of the following is not one of the four main tissue categories?
A) muscle tissue
B) neural tissue
C) osseous tissue
D) connective tissue
E) epithelial tissue

2) The tissue that always has a "top" and a "bottom" is
A) epithelial tissue.
B) connective tissue.
C) muscle tissue.
D) basal tissue.
E) apical tissue.

3) Characteristics of epithelia include all of the following except
A) attachment.
B) avascularity.
C) regeneration.
D) polarity.
E) extracellular matrix.

4) The junction type that lets neighboring cells exchange small molecules is the
A) desmosome.
B) hemidesmosome.
C) gap junction.
D) tight junction.
E) zonula adherens.

5) Epithelial cells that are adapted for absorption or secretion usually have ________ at their free surface.
A) mitochondria
B) cilia
C) microvilli
D) junctional complexes
E) Golgi complexes

6) Dead skin cells are shed in thin sheets because they are held together by "spots" of proteoglycan reinforced by intermediate filaments. Such strong intercellular connections are called
A) gap junctions.
B) intermediate junctions.
C) tight junctions.
D) desmosomes.
E) junctional complexes.
7) Epithelial cells exhibit modifications that adapt them for
A) contraction.
B) conduction.
C) secretion.
D) circulation.
E) support.

8) Which tissue lines the small intestine and the stomach?
A) simple squamous epithelium
B) simple cuboidal epithelium
C) simple columnar epithelium
D) pseudostratified ciliated columnar epithelium
E) stratified squamous epithelium

9) A layer of glycoproteins that prevents leakage of materials from connective tissues into epithelia is the
A) integral proteins.
B) lamina lucida.
C) matrix.
D) lamina densa.
E) ground substance.

10) In stratified epithelia adapted to resist mechanical forces, which of the following types of cell-to-cell junctions are especially abundant?
A) tight junctions
B) basolateral junctions
C) gap junctions
D)