Chapter 4: Tissues (Review)

Which of the following is/are characteristics of epithelial tissue (select all that apply):

• Specialized contact points between cells (i.e., tight junctions and desmosomes)

• Polarity (top and bottom to cells)

• Avascular (no blood vessels)

• Supported by connective tissue

• High regeneration capability

Which of the following tissue types is shown in the following figure:

• Pseudostratified epithelium

• Simple cuboidal epithelium

• Simple squamous epithelium

• Stratified columnar epithelium

• Stratified squamous epithelium

Glands, such as the thyroid or pancreas, that secrete their products directly into the blood rather than through ducts are classified as:

• Exocrine glands

• Endocrine glands

• Sebaceous glands

• Ceruminous glands

Which cells (capable of secreting mucus) are commonly found wedged between simple columnar epithelial cells and pseudostratified epithelial cells:

• Mast cells

• Fibroblasts

• Goblet cells

• Osteocytes

Exocrine glands release their secretions directly into a body cavity or onto a body surface.

• True

• False

The following figure is BEST defined as which of the types of tissues listed:

• Stratified cuboidal epithelium

• Simple squamous epithelium

• Stratified squamous epithelium

• Simple cuboidal epithelium

Which of the following tissue types is the most widely distributed stratified epithelia, and is localized in areas of wear and tear (such as the skin):

• Simple squamous epithelium

• Stratified squamous epithelium

• Stratified cuboidal epithelium

• Stratified columnar epithelium

• Pseudostratified epithelium

The primary functions for SIMPLE EPITHELIAL tissue are filtration, absorption, and/or secretion.

• True

• False

The adhesive sheet that holds basal surfaces of epithelial cells to underlying cells is known as the:

• Apical lamina

• Basal lamina

• Microvilli

• Intercalated disks

Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs:

• Pseudostratified columnar

• Simple columnar

• Simple squamous

• Simple cuboidal