BMCC BIO 425 EXAM 2 QUESTIONS & ANSWERS
List the 4 types of tissues found in the human body. - Answer -epithelial, connective,
muscle, nervous
What is histology? - Answer -study of tissue
What are tissues made of? - Answer -50 trillion cells of 200 different cell types
List the 3 types of epithelial cells according to their shape. - Answer -simple squamous,
simple cuboidal, simple columnar
What are the special features of epithelial tissue? - Answer -has a basement
membrane, little blood supply and rapid mitosis
According to the amount of layers, what are the 2 types of epithelial tissue? - Answer -
simple and stratified
What is the main function(s) of simple squamous epithelial tissue? - Answer -permits
rapid diffusion or transport of substances
What is the main function(s) of squamous stratified epithelial tissue? - Answer -resists
abrasion; retards water loss through skin; resists penetration by pathogenic organisms
What is the main function(s) of the simple cuboidal epithelial tissue? - Answer -
absorption and secretion, mucus production and movement
What is the main function(s) of the stratified cuboidal epithelial tissue? - Answer -
secretes sweat; sperm production, and produces ovarian hormones
What is the main function(s) of the simple columnar epithelial tissue? - Answer -
absorption and secretion; mucus secretion
List 2 organs where we find simple squamous epithelial tissue. - Answer -alveoli,
glomeruli
List 2 organs where we find stratified squamous epithelial tissue. - Answer -esophagus-
nonkeratinized
skin surface-keratinized
List 2 organs where we find simple cuboidal epithelial tissue. - Answer -liver, thyroid
List 2 organs where we find stratified cuboidal epithelial tissue. - Answer -sweat gland
ducts; ovarian follicles
, List 2 organs where we find simple columnar epithelial tissue. - Answer -lining of GI
tract, uterus
What is transitional epithelial tissue? - Answer -multilayered epithelium surface cells
that change from round to flat when stretched
Give one organ where we find transitional epithelial tissue. - Answer -ureter and
bladder
Regarding epithelial tissue, what is the basement membrane? - Answer -layer between
an epithelium and the underlying connective tissue
Is the extracellular matrix of epithelial tissue abundant or scarce? - Answer -scarce
What is a gap junction? - Answer -Electrical synapse (cardiac muscle)
What is the function of gap junctions? - Answer -rapid communication
What is a tight junction? - Answer -Water tight connection between 2 adjacent cell
membranes
Does epithelial tissue have a lot of blood vessels? - Answer -No
List 4 types of connective tissue. - Answer -fibrous, cartilage, bone, blood
What is the main cell type found in fibrous connective tissue? - Answer -dense, loose
(gel-lie ground substance between cells) and adipose
What is the main difference between dense and fibrous connective tissue? - Answer -
dense regular (parallel collagen fibers) and dense irregular (randomly arranged)
List the 3 types of fibers found in the matrix of fibrous connective tissue. - Answer -
collagen, elastin, and reticular
dense regular fibrous connective tissue is found. - Answer -tendons
dense irregular fibrous connective tissue is found. - Answer -vocal cords
List the 3 types of cartilage found in the human body. - Answer -Hyaline, fibro, elastic
Give the name of the 2 cell types that make cartilage. - Answer -chondroblast-makes
cartilage chrondrocyte- maintains cartilage
hyaline cartilage is found. - Answer -joints
fibrocartilage is found. - Answer -intervertebral disc
List the 4 types of tissues found in the human body. - Answer -epithelial, connective,
muscle, nervous
What is histology? - Answer -study of tissue
What are tissues made of? - Answer -50 trillion cells of 200 different cell types
List the 3 types of epithelial cells according to their shape. - Answer -simple squamous,
simple cuboidal, simple columnar
What are the special features of epithelial tissue? - Answer -has a basement
membrane, little blood supply and rapid mitosis
According to the amount of layers, what are the 2 types of epithelial tissue? - Answer -
simple and stratified
What is the main function(s) of simple squamous epithelial tissue? - Answer -permits
rapid diffusion or transport of substances
What is the main function(s) of squamous stratified epithelial tissue? - Answer -resists
abrasion; retards water loss through skin; resists penetration by pathogenic organisms
What is the main function(s) of the simple cuboidal epithelial tissue? - Answer -
absorption and secretion, mucus production and movement
What is the main function(s) of the stratified cuboidal epithelial tissue? - Answer -
secretes sweat; sperm production, and produces ovarian hormones
What is the main function(s) of the simple columnar epithelial tissue? - Answer -
absorption and secretion; mucus secretion
List 2 organs where we find simple squamous epithelial tissue. - Answer -alveoli,
glomeruli
List 2 organs where we find stratified squamous epithelial tissue. - Answer -esophagus-
nonkeratinized
skin surface-keratinized
List 2 organs where we find simple cuboidal epithelial tissue. - Answer -liver, thyroid
List 2 organs where we find stratified cuboidal epithelial tissue. - Answer -sweat gland
ducts; ovarian follicles
, List 2 organs where we find simple columnar epithelial tissue. - Answer -lining of GI
tract, uterus
What is transitional epithelial tissue? - Answer -multilayered epithelium surface cells
that change from round to flat when stretched
Give one organ where we find transitional epithelial tissue. - Answer -ureter and
bladder
Regarding epithelial tissue, what is the basement membrane? - Answer -layer between
an epithelium and the underlying connective tissue
Is the extracellular matrix of epithelial tissue abundant or scarce? - Answer -scarce
What is a gap junction? - Answer -Electrical synapse (cardiac muscle)
What is the function of gap junctions? - Answer -rapid communication
What is a tight junction? - Answer -Water tight connection between 2 adjacent cell
membranes
Does epithelial tissue have a lot of blood vessels? - Answer -No
List 4 types of connective tissue. - Answer -fibrous, cartilage, bone, blood
What is the main cell type found in fibrous connective tissue? - Answer -dense, loose
(gel-lie ground substance between cells) and adipose
What is the main difference between dense and fibrous connective tissue? - Answer -
dense regular (parallel collagen fibers) and dense irregular (randomly arranged)
List the 3 types of fibers found in the matrix of fibrous connective tissue. - Answer -
collagen, elastin, and reticular
dense regular fibrous connective tissue is found. - Answer -tendons
dense irregular fibrous connective tissue is found. - Answer -vocal cords
List the 3 types of cartilage found in the human body. - Answer -Hyaline, fibro, elastic
Give the name of the 2 cell types that make cartilage. - Answer -chondroblast-makes
cartilage chrondrocyte- maintains cartilage
hyaline cartilage is found. - Answer -joints
fibrocartilage is found. - Answer -intervertebral disc
