Epithelial Tissue

Question 1

Simple Squamous Epithelium

Answer 1

A). Locations: Mesothelia lining ventral body cavities; endothelia lining heart and blood vessels; portions of kidney tubules; inner lining of cornea; alveoli of lungs

B). Functions: Reduces friction; controls vessel permeability; performs absorption and secretion

Question 2

Stratified Squamous Epithelium

Answer 2

A). Locations: Surface of skin; lining of oral cavity, throat, esophagus, rectum, anus, and vagina.

B). Functions: Provides physical protection against abrasion, pathogens, and chemical attack

Question 3

Simple Cuboidal Epithelium

Answer 3

A). Locations: Glands; Ducts; thyroid gland

B). Functions: Limited protection; secretion and absorption

Question 4

Stratified cuboidal epithelium(rare):

Answer 4

A). Locations: Lining of some ducts(rare)

B). Functions: Protection;Secretion; absorption

Question 5

Simple Columnar Epithelium

Answer 5

A). Locations: Lining of stomach, intestine, gallbladder, urine tubes, and collecting ducts of kidneys

B). Functions: Protection; secretion; absorption

Question 6

Stratified Columnar Epithelium

Answer 6

A). Locations: Small areas of the pharynx, epiglottis, anus, mammary gland, salivary gland ducts, and urethra

B). Protection

Question 7

Pseudostratified Ciliated Columnar Epithelium

Answer 7

A). Locations: Lining of nasal cavity, trachea, and bronchi; portions of male reproductive tract

B). Functions: protection; secretion

Question 8

Transitional Epithelium

Answer 8

A). Locations: Urinary bladder; renal pelvis; ureters

B). Functions: Permits expansion and recoil after stretching