Chapter 4: Tissue Level of Organization

Question 1

epithelial tissue: general characteristics

Answer 1

cellular, polar, attached, avascular, innervated, high regeneration capacity

Question 2

epithelial tissue: general functions

Answer 2

covers surfaces; lines insides of organs and body cavities

Question 3

epithelial tissue: primary germ layer derivative

Answer 3

ectoderm, mesoderm, endoderm

Question 4

epithelial tissue: example subtypes and locations

Answer 4

simple columnar epithelium-inner lining of digestive tract
stratified squamous epithelium-epidermis of skin
transitional epithelium-inner lining of urinary bladder

Question 5

connective tissue: general characteristics

Answer 5

diverse types; all contain cells, protein fibers, and ground substance

Question 6

connective tissue: general functions

Answer 6

protects, binds together, and supports organs

Question 7

connective tissue:primary germ layer derivative

Answer 7

mesoderm

Question 8

connective tissue: example subtypes and locations

Answer 8

adipose connective tissue-fat
dense regular connective tissue-ligaments and tendons
dense irregular connective tissue-dermis of skin
hyaline cartilage-articular cartilage in some joints
fluid connective tissue-blood

Question 9

muscle tissue: general characteristics

Answer 9

contractile; receives stimulation from nervous system and/or endocrine system

Question 10

muscle tissue: general functions

Answer 10

facilitates movement of skeleton or organ walss

Question 11

muscle tissue: primary germ layer derivative

Answer 11

mesoderm

Question 12

muscle tissue: example subtypes and locations

Answer 12

skeletal muscle, cardiac muscle, smooth muscle (in digestive tract)

Question 13

nervous tissue: general characteristics

Answer 13

neurons-excitable, high metabolic rate, extreme longevity, nonmitotic
glial cells-nonexcitable, mitotic

Question 14

nervous tissue: general functions

Answer 14

neurons-control activities, process information

glial cells-support and protect neurons

Question 15

nervous tissue: primary germ layer derivative

Answer 15

ectoderm

Question 16

nervous tissue: example subtypes and locations

Answer 16

neurons-brain and spinal cord

glial cells-brain and spinal cord

Question 17

basement membrane functions

Answer 17

provide physical support for the epithelium, anchor epithelium to connective tissue, act as a barrier to regulate the movement of large molecules between the epithelium and the underlying connective tissue

Question 18

types of intercellular junctions

Answer 18

tight junctions, adhering junctions, desmosomes, and gap junctions