Week 2 - The Human Body and Bones

Question 1

An epithelium that has several layers, with an apical layer of flattened cells, is called
(choose all that apply):
a. Ciliated
b. Columnar
c. Stratified
d. Simple
e. Squamous

Answer 1

Stratified

Squamous

Question 2

The gland type that secretes products such as milk, saliva, bile or sweat through a duct
is:

Answer 2

An exocrine gland

Question 3

The membrane which lines body cavities that open to the exterior is a(n)

Answer 3

Mucous membrane

Question 4

Scar tissue is a variety of

a. Endothelium
b. Connective tissue
c. Muscle tissue
d. Nervous tissue
e. All of these

Answer 4

Connective tissue

Question 5

How many types of cells are in the body

Answer 5

About 200

Question 6

What are the types of tissues in body

Answer 6

epithelial
connective
muscle
neural

Question 7

Epithelial tissue includes:

Answer 7

glands

Question 8

Epithelial tissues cover

Answer 8

internal and external surfaces

Question 9

What lines the GI tract, respiratory tract, reproductive and urinary tracts

Answer 9

Epithelium tissue

Question 10

Characteristics of epithelium

Answer 10

cellularity
polarity
attachment
avascularity
regeneration

Question 11

Function of epithelial tissue is

Answer 11

provide physical protection, control permeability, provide sensation, and produce specialized secretions via glandular epithelium

Question 12

Epithelia that line passageways have ___ present

Answer 12

Microvilli

Question 13

Epithelia attaches to other cells by _______

Answer 13

cell junctions

Question 14

What are the cell junctions

Answer 14

tight junctions
gap junctions
desmosomes

Question 15

Squamous epithelium

Answer 15

thin flat and irregular in shape

Question 16

Simple squamous is found

Answer 16

where absorption takes place or where a slick surface is required to reduce friction

Question 17

mesothelium

Answer 17

a specialized epithelium that does not contact the outside world, they line the ventral body cavities, the pleura peritoneum and pericardium

Question 18

endothelium

Answer 18

simple epithelia that line the heart and all blood vessels.

Question 19

cuboidal epithelial

Answer 19

provide limited protection, and are located where secretions are prominent

Question 20

stratified epithelial cells are rare but can be found in the

Answer 20

sweat and mammary glands

Question 21

simple columnar is found

Answer 21

in areas of sceretion and absorption and function to protect lining from chemical stress (intestines)

Question 22

this secretion is where the product is released from secretory vesicles by exocytosis

Answer 22

merocrine secretion

Question 23

this secretion involves the loss of cytoplasm as well as the secretory product

Answer 23

apocrine secretion

Question 24

which secretion involves when the cell becomes packed with secretory material and then bursts liberating the material - destroying the cell

Answer 24

holocrine

Question 25

connective tissue includes

Answer 25

bone fat blood

Question 26

connective tissue share 3 components

Answer 26

specialized cells cellular protein fibers fluid called the ground substance

Question 27

what is the matrix?

Answer 27

ground substance and the extracellular fibers

Question 28

there are 3 classifications of connective tissue

Answer 28

connective tissue proper fluid connective tissues supportive connective tissues

Question 29

cells found in connective tissues vary from ______ cells to cells that are ________ into the tissue to perform a needed function

Answer 29

permanent | imported

Question 30

Cells found in connective tissue:

Answer 30

``` fibroblasts macrophages adipocytes mesenchymal cells melanocytes mast cells lymphocytes eosinophils neutrophils ```

Question 31

_____ are the most prevalent permanent cells in the connective tissue proper

Answer 31

fibroblasts