Exam (Ch 4,5,6,7) A&P I

What term defines many cells of the same type coming together?

• tissue

• organ

• organ system

• body

What is not a characteristic of epithelial tissue?

• cells with little extracellular matrix

• specialized contacts with desmosomes and gap junctions

• nonpolar surface of epithelium

• polarity, with apical and basal surfaces

what is the function of microvilli?

• movement

• increase surface area for absoprtion

• hair-like extensions for motility

• propel

What is the function of cilia?

• increase absorption

• digestion

• chemistaxis

• movement

What other tissue supports the epithelial tissue?

• reticular

• nervous tissue

• muscle tissue

• connective tissue

What makes up the connective tissue underneath the epithelial tissue?

• the basement membrane

• basal surface

• nothing

• apical surface

What makes up the basement membrane?

• epithelial tissue

• reticular lamina

• basal lamina

• lumen

What is the function of the basement membrane?

• cell junctions

• Defines boundary and reinforces epithelial tissue (binds)

• there is no purpose

• polarity

What does innervated mean?

• contains nerve endings

• contains red blood vessels

• contains nothing

• contains fibers

What does avascular mean?

• contains blood vessels

• does not contain blood vessels (a-vascular)

• contains nerves

• does not contain nerves