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Understanding Anatomy and Physiology 3rd Edition by Gale Sloan Thompson

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Understanding Anatomy and Physiology 3rd Edition by Gale Sloan Thompson

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  • September 10, 2024
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  • 2024/2025
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TEST BANK for Understanding Anatomy and Physiology 3rd
Edition by Gale Sloan Thompson
What are the 4 distinct groups of tissues - ANSWER:Epithelial
Connective
Nervous

define tissue - ANSWER:groups of similar cells that perform a common function

three layers of developing cells page 57 - ANSWER:Ectoderm
Endoderm
Mesoderm

Ectoderm - ANSWER:give rise to the epidermis and nervous system

endoderm - ANSWER:produces mucous membrane of respiratory tract, thyroid
gland, secretory parts of the pancreas

mesoderm - ANSWER:gives rise to the connective and muscle tissue

differentiation - ANSWER:when cells divide and become increasingly distinct from
cells of other layers

Stem Cells Embryonic vs Adult - ANSWER:Embryonic Stem cells-
occur early embryo
can differentiate into more than 200 differant kinds of cells

Epithelial Tissue Function/Structure - ANSWER:Continue a sheet of tightly packed
cells
covers the body surface
Lines body cavity and many of the organs
forms certain glands

the key function involves protection, absorption, Filtration and secretion

Basement membrane - ANSWER:Cells at the base of an epithelial layer are attached
to this.

Supplies Oxygen and nutrients

3 shapes of Epithelial cells - ANSWER:Squamous
Cuboidal
Columnar

, Simple Squamous Epithelium Function/Location - ANSWER:Single layer of Flat plate-
like cells

Allows for ready diffusion because of thinness

Location Alveoli

Simple Cuboidal Epithelium Function/Location - ANSWER:Single layer of cube-like
cells

Location: ducts and tubules of many organs including kidneys

Simple Columnar Epithelium Structure/Function/Location - ANSWER:Consist of single
layer of columnar cells

Participates in absorption
secretes mucus by goblet cells

lines the intestines

Pseudostratified columnar epithelium Structure/Function/Location -
ANSWER:Consist of single layer of irregularly shaped cells
cells of different height with nuclei at different levels make it appearstratified

provides protection
secretes mucus

Trachea, large bronchi and Nasal mucosa

Stratified Squamous Epithelium Structure/Function/Location - ANSWER:Contains
multiple cell layers
making it stronger than simple epithelia
the most wide spread epithelium in the body

Resists abrasion and penetration by pathogens
some contain keratin some do not

epidermis of the skin
esophagus
Vagina

Transitional epithelium Structure/Function/Location - ANSWER:Consist of multiple
cell layers
When stretched, cell layers decrease and cell shape changes from cuboidal to
squamous

Simple epithelium - ANSWER:Every cell touches the basement membrane

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