BIO 146
Which of these cells are labile cells?
Skin cells
A coiled fibrous protein in connective tissue that is stretchy is called
elastin
The four primary tissue types are
epithelial, connective, muscular, nervous
Hyaluronic acid gives a very slippery qualities of fluids that contain it. Hyaluronic acid.
Is a good lubricant for joint cavities
Cartilage he'll slowly after an injury, because
It has few if any blood vessels
what type of gland possesses ducts?
exocrine
What is the permeability barrier that joins the cell membranes of adjacent cells to form a tight seal?
tight junction
epithelial tissue is characterized by
tightly packed cells
What is the collection of similar cells and surrounding substances?
tissue
What type of epithelial tissue is found in the urinary bladder
transitional epithelium
What type of tissue contains cells called neurons
nervous tissue
Fibrocartilage is found in
disks between vertebrae
What type of tissue contracts?
muscular
A tissue has the following characteristics, free surface, single layer of cells, cells are narrow and tall, micro, villi, many mitochondria, goblet cells. Which of the following is most consistent with those observations.
12347 Active transport, epithelium, simple, epithelium, columnar, epithelium, movement of mucus across its surface
What is the girl of glycoproteins just below the tight junction between epithelial cells?
Adhesion belt
In nerve cells, the ----- contains the nucleus and is the site of general cell functions.
Cell body
Intervertebral disc exhibit a great deal of strength because of the presence of thick bundles of
Collagen
which of the following statements concerning collagen is False?
Collagen is elastic and stretches
Which of the following statement is true?
Collagen, fibers provide strength to dense connective tissue
Which of the following statements is false?
Columnar epithelial cells promote diffusion
What type of tissue possesses an abundant extra cellular matrix?
Connective tissue
connective tissue in tendon is
Dense regular collagenous tissue
Epithelial tissues, I can stretch or is subject to stress, would have many
Desmosomes
What is a disc shaped structure with especially adhesive glycoproteins around each cell that bind sell to one another
Desmosomes
Which of the following statements concerning epithelial cells surface is False
Epithelium with folded services tend to be very rigid
Hey, Selah forms fibrous connective tissue would be called a
Fibroblast
adipose tissue
Functions as an insulator, and a side of energy storage
Which of the following cell organelles would be most important in secretory epithelial cells?
Golgi apparatus
A long, unbranched polysaccharide found in the extra cellular matrix of connective tissue is
Hyaluronic acid
The secretion of endocrine glands are release directly
Into the bloodstream
in which of these locations would pseudostratified columnar ciliated epithelium intermix with goblet cells be found?
Lining of the nasal cavity and trachea
what type of cells phagocytize foreign or injured cells, and play a major role in providing protection against infection
Macrophages
ethic, sticky, secretion produced by goblet cells is called
Mucus
What type of cells breakdown bone tissue?
Osteoclast
Sosa breakdown bone or called
Osteoclasts
Collagen, elastin, and reticular fibers in connective tissue all contain
Protein
Which of the following molecules consist of numerous polysaccharides attached to a protein core
Proteoglycan
All cells attached to the basement membrane but not all cells reach free services is a
Pseudostratified columnar epithelium
Tall, thin, epithelial cells that have the appearance of two or more layers, but with all cells touching the basement membrane are
Pseudostratified columnar epithelium
which of the following is a function of epithelial tissue?
Secretion of an absorption of molecules
Epithelium that is primarily secretory and function with most likely be
Simple cuboidal
What type of epithelial tissue is found in the stomach
Simple, columnar, epithelium
The other dermis of the skin is composed of
Stratified squamous epithelium
which of the following characteristics of tissues and cells would aid in diffusion or the movement of materials into and out of the body through the epithelium?
a single layer of relatively flat, thin cells
An example of a gap junction is
an intercalated disk
What type of Glenn discharges fragments of the glen cells during secretion?
apocrine
which of these is not a part of connective tissue?
basement membrane
connective tissue cells that produce the extra cellular matrix are called
blast cells
A gland produces a watery secretion that contain solutes. The secretion also contains a substantial amount of phospholipid. The type of secretory process for this gland is probably
both merocrine and apocrine
Given these characteristics: cells cylindrical, and shape; striated; usually one nucleus per cell; often branched and connected by intercalated disks; and under involuntary control. which tissue posses all of these characteristics?
cardiac muscle
A tissue with collagen, fibers, proteoglycans, and chondrocytes is
cartilage
Which of the following types of connective tissue is miss matched with its matrix
cartilage-highly vascular matrix
what type of cells form cartilage
chondroblasts
Which of the following is not an adhesive molecule found in the ground substance of connective tissue
chondroitin sulfate
The three types of protein fibers found in connective tissue are
collagen, elastin, and reticular fibers
Which of the following categories of epithelium is based on cell shape
columnar
A gland with branching ducts that end in acini would be classified as
compound acinar
A general characteristics of connective tissue is that it
consists of cells with much extracellular material
Which of the following is not a function of connective tissue?
contraction
Which of the following structures is likely to consist of dense, irregular collagenous connective tissue
dermis of skin
An infant born with genetic defect that causes little or no brown fat to be formed, will have
difficulty regulating his body temperature
what type of gland does not have ducts?
endocrine
Which of the following pairs is mismatched?
endoderm - bone
What type of tissue forms linings or coverings?
epithelial
Which tissue forms glands?
epithelial
What type of cells form protein fibers in connective tissue proper
fibroblasts
What is the small protein channel that allows the passage of ions and small molecules between cells?
gap junction
Structures that function in intercellular communication are
gap junctions
Which of the following characteristics is not consistent with simple squamous epithelial tissue
has good blood supply within it
Unlike an exocrine gland, and endocrine gland
has no ducts
What attaches epithelial cells to the basement membrane?
hemidesmosomes
What is the microscopic study of tissues?
histology
what type of gland accumulates it's secretion in the cytoplasm of the cell, the cells then ruptures, and becomes part of the secretion?
holocrine
Proteoglycans trap large quantities of water and spring back to original shape after compression. They are found in
intervertebral discs
Dense, regular collagenous, connective tissue would be found in
ligament
Reticular tissue is found in
lymphatic tissue
What type of cell release chemicals in response to injury and play an important role in inflammation
mast cells
The extracellular material found in tissues is called
matrix
What type of exocrine gland uses exocytosis to secrete its product?
merocrine
The embryonic germ layer that is the source of connective tissue and muscle is
mesoderm
Stratified epithelium consist of
multiple layers of cells
what kind of cells form bone?
osteoblasts
Cells that maintain bone are called
osteocytes
Macrophages are cells specialized for
phagocytosis
which of the following matrix molecules tends to trap large quantities of water?
proteoglycan
The extra cellular matrix of connective tissue contains
proteoglycans
What type of epithelial tissue is found lining the trachea
pseudostratified ciliated columnar epithelium
blood cells are produced in hemopoietic tissue found in
red bone marrow
Which of the following is classified as a holocrine gland?
sebaceous gland
The various types of epithelium are classified by
shape of cells and number of cell layers
glands whose ducts have a few branches are called
simple
What type of epithelial tissue is found in the kidney tubules
simple cuboidal epithelium
If one of the functions of the capillaries is the supply body cells with oxygen and nutrients, you would expect the capillary walls to consist of
simple squamous epithelium
The four basic tissue types of the body include all of the following, except
skeletal tissue
The type of muscle tissue found in hollow organs that has cells that are tapered at each end, and have a single nucleus, and are under involuntary control is
smooth muscle
Which of the following epithelia types is miss matched with its function
squamous epithelium-stretching
What type of cells have the potential to differentiate to form adult cell types?
stem cells
Which type of epithelium has the following characteristics, multiple layers, squamous, cell shape, dead, outer layers of cells, and keratin present in some cells?
stratified keratinized squamous epithelium
What type of epithelial tissue is found in the mouth
stratified squamous epithelium
Connective tissue is separated into sub groups based on the
structure of the extracellular matrix
A tissue has the following characteristics: abundant extracellular matrix, abundant collagen fibers, collagen fibers mainly parallel to each other. Which of the following injuries results in damage to mainly this kind of tissue?
tear in the tissue that attaches the gastrocnemius muscle to bone
To determine that a type of epithelium is squamous, which of the following is most important
the shape of the most superficial epithelial cells
The type of cell connection that serves as a permeability barrier is a
tight junction