BIO 168 FINAL EXAM QUESTIONS & ANSWERS
True or False: The structure of the body is not related to function at all. - Answers -
False
The ______ level of organization consists of groups of similar cells that have a common
function. - Answers -Tissue
______ includes all chemical reactions occurring within the cells of the body. - Answers
-Metabolism
Normal body temperature must be maintained for survival for what reason? - Answers -
To provide the optimal temperature for chemical reactions to occur
Water is necessary for life for what reason? - Answers -All chemical reactions that
occur in the body take place in water.
______ is the body's ability to maintain a relatively stable internal condition even though
the external environment changes continuously. - Answers -Homeostasis
In a ______ feedback mechanism, the output of the system shuts off the original
stimulus or reduces its intensity, which causes the variable to change in a direction
opposite of that of the initial change. - Answers -Negative
______ feedback mechanisms are uncommon in the body, because they provide the
opportunity for the loss of homeostasis. - Answers -Positive
A ______ plane divides the body into equal right and left halves. - Answers -Midsagittal
The ______ contains the pericardial cavity and the pleural cavities. - Answers -Thoracic
cavity
A ______ serosa lines the walls of a body cavity, while a ______ serosa covers organs.
- Answers -Parietal; visceral
True or False: Using the nine regions as descriptors give a better - Answers -True
______ tissue covers a body surface or lines a body cavity. - Answers -Epithelial
All of the below are functions of epithelial tissue except:
absorption, filtration, protection, movement - Answers -Movement
What are characteristics of epithelial tissue? - Answers -Having a free surface, cells
divide rapidly, and avascular and supported by connective tissue
,______ epithelia are found where filtration or substance exchange by rapid diffusion is
necessary. - Answers -Simple squamous
______ epithelia are found in areas subject to wear and tear. - Answers -Stratified
squamous
______ epithelia are found lining the digestive tract and are associated with absorption
and secretion. - Answers -Simple columnar
______ glands secrete products by exocytosis as they are accumulated in the cell
through a duct onto the surface of epithelial tissue. - Answers -Merocrine
Some glands produce ______. - Answers -Watery lubricating fluid
______ are commonly found wedged between simple columnar epithelial cells. -
Answers -Goblet cells
What statement best describes connective tissue? - Answers -Contains cells, fibers,
and a large amount of matrix
Matrix is ______. - Answers -Fibers and ground substance
The fiber type that gives connective tissue great tensile strength is ______. - Answers -
Collagen
The fiber type that gives connective tissue elasticity is ______. - Answers -Elastic
The cell type indicative of areolar connective tissue is the ______. - Answers -
Fibroblast/fibrocyte
______ connective tissue is the most widely distributed in the body and functions to
support and bind other tissues, hold bodily fluids, defend against infection, and stores
nutrients. - Answers -Areolar
The primary functions of ______ tissue are to store nutrients as fat, insulate the body,
and serve as a shock absorber. - Answers -Adipose
The most abundant cartilage in the body is ______. - Answers -Hyaline
The shape of the external ear is maintained by ______ cartilage. - Answers -Elastic
An epithelial membrane ______. - Answers -Consists of epithelial tissue bound to
underlying connective tissue, covers body surfaces and lines body cavities, and is a
continuous, multicellular sheet
, ______ membranes line body cavities that open to the external environment. - Answers
-Mucous
The integumentary system consists of ______. - Answers -Skin, hair, nails, and various
glands
The functions of the integumentary system include: - Answers -Protection, regulation of
body temperature, sensory reception, excretion, metabolic functions, and service as a
blood reservoir
The ______ is not a true part of the skin but shares some of its protective functions and
anchors it to underlying tissues. - Answers -Subcutaneous layer (hypodermis)
The hypodermis is made up of mostly ______ tissue. - Answers -Areolar and adipose
Keratin is ______. - Answers -A fibrous protein that gives the skin its protective function
______ are epithelial cells that produce melanin. - Answers -Melanocytes
True or False: It takes about 2 weeks for epidermal cells to migrate from the basal layer
to the surface layer. - Answers -True
The ______ is the layer of the epidermis where stem cells are found. - Answers -
Stratum basale
Melanocytes are found in the ______. - Answers -Stratum basale
True or False: The epidermis is very well vascularized. - Answers -False
The dermis is made up of mostly ______ tissue. - Answers -Connective
The main function of the dermal papillae of the dermis is: - Answers -To provide
nourishment for the epidermis and provide touch receptors for the skin.
Skin color is determined by the interaction of: - Answers -Melanin, carotene, and
hemoglobin
The accessory structures of the skin (hair, nails, and glands) are all derivatives of the
______. - Answers -Epidermis
Sweat consists of: - Answers -Mostly water with salts, antibodies, and metabolic wastes
The major role of the eccrine sweat glands is to ______. - Answers -Reduce body
temperature
True or False: The structure of the body is not related to function at all. - Answers -
False
The ______ level of organization consists of groups of similar cells that have a common
function. - Answers -Tissue
______ includes all chemical reactions occurring within the cells of the body. - Answers
-Metabolism
Normal body temperature must be maintained for survival for what reason? - Answers -
To provide the optimal temperature for chemical reactions to occur
Water is necessary for life for what reason? - Answers -All chemical reactions that
occur in the body take place in water.
______ is the body's ability to maintain a relatively stable internal condition even though
the external environment changes continuously. - Answers -Homeostasis
In a ______ feedback mechanism, the output of the system shuts off the original
stimulus or reduces its intensity, which causes the variable to change in a direction
opposite of that of the initial change. - Answers -Negative
______ feedback mechanisms are uncommon in the body, because they provide the
opportunity for the loss of homeostasis. - Answers -Positive
A ______ plane divides the body into equal right and left halves. - Answers -Midsagittal
The ______ contains the pericardial cavity and the pleural cavities. - Answers -Thoracic
cavity
A ______ serosa lines the walls of a body cavity, while a ______ serosa covers organs.
- Answers -Parietal; visceral
True or False: Using the nine regions as descriptors give a better - Answers -True
______ tissue covers a body surface or lines a body cavity. - Answers -Epithelial
All of the below are functions of epithelial tissue except:
absorption, filtration, protection, movement - Answers -Movement
What are characteristics of epithelial tissue? - Answers -Having a free surface, cells
divide rapidly, and avascular and supported by connective tissue
,______ epithelia are found where filtration or substance exchange by rapid diffusion is
necessary. - Answers -Simple squamous
______ epithelia are found in areas subject to wear and tear. - Answers -Stratified
squamous
______ epithelia are found lining the digestive tract and are associated with absorption
and secretion. - Answers -Simple columnar
______ glands secrete products by exocytosis as they are accumulated in the cell
through a duct onto the surface of epithelial tissue. - Answers -Merocrine
Some glands produce ______. - Answers -Watery lubricating fluid
______ are commonly found wedged between simple columnar epithelial cells. -
Answers -Goblet cells
What statement best describes connective tissue? - Answers -Contains cells, fibers,
and a large amount of matrix
Matrix is ______. - Answers -Fibers and ground substance
The fiber type that gives connective tissue great tensile strength is ______. - Answers -
Collagen
The fiber type that gives connective tissue elasticity is ______. - Answers -Elastic
The cell type indicative of areolar connective tissue is the ______. - Answers -
Fibroblast/fibrocyte
______ connective tissue is the most widely distributed in the body and functions to
support and bind other tissues, hold bodily fluids, defend against infection, and stores
nutrients. - Answers -Areolar
The primary functions of ______ tissue are to store nutrients as fat, insulate the body,
and serve as a shock absorber. - Answers -Adipose
The most abundant cartilage in the body is ______. - Answers -Hyaline
The shape of the external ear is maintained by ______ cartilage. - Answers -Elastic
An epithelial membrane ______. - Answers -Consists of epithelial tissue bound to
underlying connective tissue, covers body surfaces and lines body cavities, and is a
continuous, multicellular sheet
, ______ membranes line body cavities that open to the external environment. - Answers
-Mucous
The integumentary system consists of ______. - Answers -Skin, hair, nails, and various
glands
The functions of the integumentary system include: - Answers -Protection, regulation of
body temperature, sensory reception, excretion, metabolic functions, and service as a
blood reservoir
The ______ is not a true part of the skin but shares some of its protective functions and
anchors it to underlying tissues. - Answers -Subcutaneous layer (hypodermis)
The hypodermis is made up of mostly ______ tissue. - Answers -Areolar and adipose
Keratin is ______. - Answers -A fibrous protein that gives the skin its protective function
______ are epithelial cells that produce melanin. - Answers -Melanocytes
True or False: It takes about 2 weeks for epidermal cells to migrate from the basal layer
to the surface layer. - Answers -True
The ______ is the layer of the epidermis where stem cells are found. - Answers -
Stratum basale
Melanocytes are found in the ______. - Answers -Stratum basale
True or False: The epidermis is very well vascularized. - Answers -False
The dermis is made up of mostly ______ tissue. - Answers -Connective
The main function of the dermal papillae of the dermis is: - Answers -To provide
nourishment for the epidermis and provide touch receptors for the skin.
Skin color is determined by the interaction of: - Answers -Melanin, carotene, and
hemoglobin
The accessory structures of the skin (hair, nails, and glands) are all derivatives of the
______. - Answers -Epidermis
Sweat consists of: - Answers -Mostly water with salts, antibodies, and metabolic wastes
The major role of the eccrine sweat glands is to ______. - Answers -Reduce body
temperature
