exercise 3

Question 1

If cells in epithelial tissue are arranged in a single layer, this is called a ___ Arrangement. If the cells are in multiple layers this is called a ___ Arrangement. in a ___ Arrangement, the cells are actually in a single layer but falsely appear to be layered

Answer 1

simple

stratified

pseudostratified

Question 2

A group of similar cells that performs a specialized function is called a

Answer 2

tissue

Question 3

In connective tissues the cells are widely spaced. Cellular matrix Consists of protein fibers and a ___ A variable consistency (fluid to solid)

Answer 3

ground substance

Question 4

The extracellular matrix of connective tissues often contains collagen and or elastic fibers, which are produced by a fixed cell called a

Answer 4

fibroblast

Question 5

___. Tissues are characterized by cells that are either squamous open perm to see broad and flat), cuboidal, or columnar in shape

Answer 5

epithelial

Question 6

___. Tissues blind organs together and provide support.

Answer 6

connective tissue

Question 7

A specialized type of leukocyte that leaves the circulation and becomes a wandering cell and connected tissues, providing defense against infection is a ___

Answer 7

macrophage

Question 8

___. Tissues are capable of shortening and thickening. Are characterized by light and dark cross markings called

Answer 8

striations

Question 9

—. Tissues are always fun covering a surface or lining an organ and lack blood vessels. The tissue is bound to underline connective tissue by a non cellular substance called the basement membrane .

Answer 9

epithelial

Question 10

the outermost layer of epidermis consisting of keratinized cells is called the

Answer 10

corneum

Question 11

the ___ is the layer of skin comprised primarily of areolar connective tissue and irregular dense fibrous connective tissue

Answer 11

dermis

Question 12

technically not a layer of the skin, the ___ or ___ is the region beneath dermis consisting of loose fibrous connective tissue and adipose tissue

Answer 12

hypodermis

subcutaneous layer

Question 13

the layer of epidermis characterized by cells with shriveled nuclei is the

Answer 13

granulosum

Question 14

___. are a secretory accessory structure involved in body temperature regulation

Answer 14

eccrine sweat gland

Question 15

the actively reproducing layer of epidermal cells adjacent to basement membrane is the

Answer 15

stratum basale

Question 16

the —- is the outermost layer of skin and is comprised entirely of stratified squamous epithelium

Answer 16

epidermis

Question 17

The accessory structure that changes the position of hair in response to emotions or temperature is the —- muscle

Answer 17

arrector pili

Question 18

He used to develop at the base of a tube like depression, called the —, Extending from epidermis down into dermis

Answer 18

hair follicle

Question 19

Accessory structures associated with hair follicles that secrete oils are

Answer 19

Sebaceous gland

Question 20

The layer of epidermal cells characterized by large oval nuclei is the

Answer 20

stratum spinosum

Question 21

Accessory structures active in response to various emotions are —. They are commonly found in the axillary region

Answer 21

apocrine sweat glands

Question 22

The layer of epidermis in which this cells appear clear and the cell organelles are possible in

Answer 22

stratum lucidum