BIO 124- Exam 2 UPDATED ACTUAL
Exam Questions and CORRECT Answers
stratum basale function - CORRECT ANSWER - where cells undergo rapid division
Epthelia - CORRECT ANSWER - line inner and outer surfaces
1. Polarity
2. Specialized contacts
3. Avascular, but Innervated
4. Supported by connective tissues
5. Regeneration - CORRECT ANSWER - Characteristics of epithelia
basement membrane - CORRECT ANSWER - tough layer of interconnected proteins that
separates tissue layers in organs and reinforces epithelial sheet
endocrine glands - CORRECT ANSWER - Ductless glands that empty their hormonal
products directly into the blood
exocrine glands - CORRECT ANSWER - Glands that secrete substances outward through
a duct
simple squamous epithelia - CORRECT ANSWER - Single layer of flat cells that usually
forms membranes
simple cuboidal epithelia - CORRECT ANSWER - Single layer of cube-like cells
simple columnar epithelia - CORRECT ANSWER - single layer of rectangular-shaped
cells with round to oval central nuclei.
,pseudostratified columnar epithelia - CORRECT ANSWER - single layer of irregular
shaped cells.
stratified squamous epithelium - CORRECT ANSWER - multiple layers of flat cells.
transitional epithelium - CORRECT ANSWER - multilayer dome-shaped surface.
Connective tissue - CORRECT ANSWER - cells suspended in an extracellular matrix
1. meets definition of cells suspended in an extracellular matrix
2. mesenchyme as common tissue of origin
3. varying degrees of vascularity + innervation
4. varying regenerative capacities - CORRECT ANSWER - characteristics of connective
tissues
Mesenchyme - CORRECT ANSWER - common tissue of origin of connective tissues
fibroblasts - CORRECT ANSWER - cells that secretes collagen fibers
chondroblasts and chondrocytes - CORRECT ANSWER - cells that are found in the
cartilage
osteoblasts and osteocytes - CORRECT ANSWER - cells that are found in bones
macrophages - CORRECT ANSWER - phagocytize foreign substances
, areolar connective tissue - CORRECT ANSWER - forms lamina propria of mucous
membranes and organs.
adipose tissue - CORRECT ANSWER - Tissue that stores fat.
reticular connective tissue - CORRECT ANSWER - Loose network of reticular fibers in a
gel-like ground substance; reticular cells lie on the network.
dense regular connective tissue - CORRECT ANSWER - Parallel collagen fibers with a
few elastic fibers
Major cell type is fibroblasts.
dense irregular connective tissue - CORRECT ANSWER - irregularly arranged collagen
fibers; some elastic fibers; major cell type is fibroblasts.
elastic connective tissue - CORRECT ANSWER - dense irregular C.T containing high
proportions of elastic fibers.
cutaneous membrane - CORRECT ANSWER - another name for skin; covers the body
surface
mucus membrane - CORRECT ANSWER - membrane found in digestive, urinary,
respiratory, and reproductive tracts.
Goblet cells - CORRECT ANSWER - cells that secrete mucus
serous membranes - CORRECT ANSWER - line body cavities that are closed to the
exterior
parietal serosae - CORRECT ANSWER - line internal body cavity walls
Exam Questions and CORRECT Answers
stratum basale function - CORRECT ANSWER - where cells undergo rapid division
Epthelia - CORRECT ANSWER - line inner and outer surfaces
1. Polarity
2. Specialized contacts
3. Avascular, but Innervated
4. Supported by connective tissues
5. Regeneration - CORRECT ANSWER - Characteristics of epithelia
basement membrane - CORRECT ANSWER - tough layer of interconnected proteins that
separates tissue layers in organs and reinforces epithelial sheet
endocrine glands - CORRECT ANSWER - Ductless glands that empty their hormonal
products directly into the blood
exocrine glands - CORRECT ANSWER - Glands that secrete substances outward through
a duct
simple squamous epithelia - CORRECT ANSWER - Single layer of flat cells that usually
forms membranes
simple cuboidal epithelia - CORRECT ANSWER - Single layer of cube-like cells
simple columnar epithelia - CORRECT ANSWER - single layer of rectangular-shaped
cells with round to oval central nuclei.
,pseudostratified columnar epithelia - CORRECT ANSWER - single layer of irregular
shaped cells.
stratified squamous epithelium - CORRECT ANSWER - multiple layers of flat cells.
transitional epithelium - CORRECT ANSWER - multilayer dome-shaped surface.
Connective tissue - CORRECT ANSWER - cells suspended in an extracellular matrix
1. meets definition of cells suspended in an extracellular matrix
2. mesenchyme as common tissue of origin
3. varying degrees of vascularity + innervation
4. varying regenerative capacities - CORRECT ANSWER - characteristics of connective
tissues
Mesenchyme - CORRECT ANSWER - common tissue of origin of connective tissues
fibroblasts - CORRECT ANSWER - cells that secretes collagen fibers
chondroblasts and chondrocytes - CORRECT ANSWER - cells that are found in the
cartilage
osteoblasts and osteocytes - CORRECT ANSWER - cells that are found in bones
macrophages - CORRECT ANSWER - phagocytize foreign substances
, areolar connective tissue - CORRECT ANSWER - forms lamina propria of mucous
membranes and organs.
adipose tissue - CORRECT ANSWER - Tissue that stores fat.
reticular connective tissue - CORRECT ANSWER - Loose network of reticular fibers in a
gel-like ground substance; reticular cells lie on the network.
dense regular connective tissue - CORRECT ANSWER - Parallel collagen fibers with a
few elastic fibers
Major cell type is fibroblasts.
dense irregular connective tissue - CORRECT ANSWER - irregularly arranged collagen
fibers; some elastic fibers; major cell type is fibroblasts.
elastic connective tissue - CORRECT ANSWER - dense irregular C.T containing high
proportions of elastic fibers.
cutaneous membrane - CORRECT ANSWER - another name for skin; covers the body
surface
mucus membrane - CORRECT ANSWER - membrane found in digestive, urinary,
respiratory, and reproductive tracts.
Goblet cells - CORRECT ANSWER - cells that secrete mucus
serous membranes - CORRECT ANSWER - line body cavities that are closed to the
exterior
parietal serosae - CORRECT ANSWER - line internal body cavity walls
