et tissues (quiz 2)

Question 1

4 main types of tissues

Answer 1

epitherial- 8
connective- 12
muscle- 3
nerve

Question 2

first stages of embryological layers

Answer 2

1- ectoderm (outside)
2- mesoderm (middle)
3- endoderm (inside)

Question 3

cilia

Answer 3

moves things across surface
-egg to fallopian tube
-smoking can effect the cilia

Question 4

microvilli

Answer 4

helps absorb/secrete
ex: intestines

Question 5

histology

Answer 5

study of tissues

Question 6

epitherial tissue

Answer 6

-lines external/internal organs
-1st defense barrier
-cells make tight contact

Question 7

1 layer

Answer 7

simple epiterial

Question 8

2 or more layers

Answer 8

stratified

Question 9

single layer that gives impression of more than 1 layer

Answer 9

pseudostratified

Question 10

squamos

Answer 10

flat like pancake

Question 11

cuboidal

Answer 11

perfectly round

Question 12

columnar

Answer 12

long column looking

Question 13

What is Simple Squamous Epithelium?

Answer 13

Single layer of flat cells.
-lines avioli of the lungs,
-makes up pericardium/pleura/ peritoneum

Allows diffusion and filtration; located in air sacs of lungs and blood vessel linings.

Question 14

What is Simple Cuboidal Epithelium?

Answer 14

-Single layer of cube-shaped cells.
-absorbs/secretes
-lines kidneys

Functions in secretion and absorption; found in kidney tubules and glands.

Question 15

What is Simple Columnar Epithelium?

Answer 15

-Single layer of tall, column-like cells;
-lines small/large intestine
-absorption/secretion

Functions in absorption and secretion of mucus and enzymes; located in digestive tract lining and gallbladder.

Question 16

What is Pseudostratified ciliated

Answer 16

-found in trachea
-catches sweeps up dirt in air

Functions in secretion, especially mucus, and ciliary movement; found in trachea and upper respiratory tract.

Question 17

What is Stratified Squamous Epithelium?

Answer 17

-offers most protection
-keratanized? in epidermis/top layer of skin
-nonkeratanzied? every entrance and exit area of the body (anus/ esophagus/mouth)

Protects underlying tissues in areas of abrasion; located in skin (keratinized), mouth, and esophagus (non-keratinized).

Question 18

What is Stratified Cuboidal Epithelium?

Answer 18

-found in ducts of exocrine glands
-protection and secretion
-NEVER more than 3 layers

Functions in protection; found in sweat glands, mammary glands, and salivary glands.

Question 19

exocrine gland

Answer 19

secretes hormones into blood stream, lots of blood vessels
-ovaries

Question 20

endocrine glanol

Answer 20

secretes substances via a duct to surface
-sweat glands, saliva, semen, digestive

Question 21

What is Stratified Columnar Epithelium?

Answer 21

not on test.

Functions in protection and secretion; located in male urethra and some glandular ducts.

Question 22

What is Transitional Epithelium?

Answer 22

-5-10 layers
-ONLY found in urinary system

Stretches to allow urinary organ expansion; found in bladder, ureters, and part of urethra.