Chapter 4 Epithelial tissue

Question 1

Use the key to classify each of the following described tissue types into one of the four major tissue categories.
Key:
A - Connective tissue
B - epithelium
C - muscle
D - nervous tissue

1. tissue type composed largely of nonliving extracellular matrix; important in protection and support
2. the tissue immediately responsible for body movement
3. the tissue that enables us to be aware of the external environment
4. the tissue that lines our body cavities and covers surfaces

Answer 1

1. A
2. C
3. D
4. B

Question 2

An epithelium that has several layers, with an apical layer of flattened cells is called
A. ciliated
B. columnar
C. stratified
D. simple
E. squamous

Answer 2

E

Question 3

the gland type that secretes products such as milk ,saliva ,bile or sweat through a duct is called
A. an endocrine gland
B. an exocrine gland

Answer 3

B. exocrine gland

Question 4

the membrane which lines body cavities that open to the exterior is a
A. endothelium
B. cutaneous membrane
C. mucous membrane
D. serous membrane

Answer 4

C. serous membrane

Question 5

scar tissue us a variety of
A. epithelium
B. connective tissue
C. muscle tissue
D. nervous tissue
E. all of the above

Answer 5

B. connective tissue

Question 6

name the primary cell type
in connective tissue
In cartilage
In bone

Answer 6

Fibrocyte, chondrocyte and osteocyte

Question 7

name the two major components of the extracellular matrix and if applicable subclass of each component

Answer 7

fibers and ground substance

Subclass of fibers: collagen, elastic, and reticular

Subclass of ground substance: interstitial fluid, cell adhesion proteins and proteoglycans

Question 8

name the specific connective tissue type found in the following body locations
A. forming the soft packing around organs
B. supporting the ear pinna
C. forming “stretchy” ligaments
D. first connective tissue in the embryo
E. forming the intervertebral discs
F. covering the ends of bones at joint surfaces
G. main component of subcutaneous tissue

Answer 8

A. areolar connective tissue
B. elastic cartilage
C. elastic connective tissue
D. mesenchyme
E. fibrocartilage
F. hyaline cartilage
G. adipose tissue

Question 9

what it the function of macrophages

Answer 9

defend immune system and destroy bacteria, dead cells and other debris

Question 10

Name the special characteristics of epithelium
(CAP VR)

Answer 10

cellularity, attachment, polarity, vascularity, and regeneration

Question 11

what functions does epithelial tissue accomplish

Answer 11

• protection
• absorption
• filtration
• excretion
• secretion
  -sensory

Question 12

Describe the exocrine gland

Answer 12

• secretes oil, mucus, sweat onto the body

Question 13

describe the endocrine gland

Answer 13

• secretes hormones into the blood
• loses duct during development

Question 14

what does simple epithelial tissue do

Answer 14

• absorbs, secretes and filtrates

Question 15

where do you find stratified tissue ?

Answer 15

high absorption areas and protection areas

Question 16

what is the function of simple squamous and where can it be found

Answer 16

function - allows materials to pass by diffusion and filtration
- lungs and blood vessels

Question 17

what is the function of stratified squamous tissue and where can it be found

Answer 17

function- protects underlying tissues
- found in the esophagus and mouth

Question 18

what is the function of simple cuboidal and where can it be found

Answer 18

function- secretion and absorption
- found in the kidneys, ducts and sensory glands

Question 19

what is the function of transitional tissue and where can it be found

Answer 19

function- stretches, permits stored urine
- can be found in the uterus and bladder

Question 20

what is the function of simple columnar and where can it be found

Answer 20

function- absorbs, secretion of mucus
- can be found in the digestive tract, gallbladder and ducts and glands

Question 21

what is the function of pseudo stratified columnar and where can it be found

Answer 21

function- secrete substance
- can be found in the trachea