-
What three components comprise connective tissue?
- cell populations
- protein fibers
- ground substance
-
Which two of the three components of connective tissue make up the matrix?
- protein fibers
- ground substance
-
The suffix -cyte, refers to a:
mature adult cell
-
The suffix -clast, refers to:
cells that break down tissue
-
The suffix -blast, refers to:
cells that build up tissue
-
A cell that builds up bone tissue is known as an:
osteoblast
-
A cell that breaks down bone tissue is known as a:
osteoclast
-
What is the primary function of adipocytes?
fat storage
-
What is the primary function of mast cells?
to produce and release histamine and heparin
-
The substance released by mast cells that increases inflammation and vasodilation is:
histamine
-
Heparin is an:
anti-coagulant
-
What is the primary function of melanocytes?
to produce melanin
-
Mesenchymal cells are essentially:
stem cells
-
Large phagocytic cells that engulf old cells and worn out organelles are called:
macrophages
-
Cells that secrete protein fibers and build up connective tissues are known as:
fibroblasts
-
A mature connective tissue cell is called a:
fibrocyte
-
A cell that travels around looking for pathogens and initiating an immune response is a:
lymphocyte
-
Small phagocytic cells are known as:
microphages
-
List three characteristics of elastic fibers?
- made up of elastins
- able to stretch and recoil
- branched
-
List the three types of connective tissue fiber.
-
List the three characteristics of collagen fibers.
- made up of collagen
- strong
- long and straight
-
List the two characteristics of reticular fibers discussed in class.
- made up of collagen
- branched
-
List the seven general functions of connective tissue.
- connect tissue to each other
- separate and surround tissue
- movement and support
- storage of nutrients
- cushioning and insulation
- transport
- protection
-
What are the two categories of connective tissue in regards to development?
-
What are the two categories of connective tissue in regards to physical structure?
- loose connective
- dense connective
-
Where will you find mesenchyme?
under the skin of an embryo
-
Mesenchyme is essentially:
a population of stem cells
-
What is the function of mesenchyme?
to differentiate into all other types of connective tissue
-
Where in the human body do you find mucous connective tissue?
the umbillical cord
-
What is the primary function of mucous connective tissue?
to support embryonic life
-
List the three classes of loose connective tissue.
- areolar connective tissue
- adipose tissue
- reticular connective tissue
-
What is the function of areolar connective tissue?
it is a generalized "packing" tissue
-
True or False: Areolar connective tissue is the most specialized of the connective tissues.
False - it is the least specialized
-
True or False: Areolar connective tissue can contain all nine cell types and all three fiber types.
True
-
List the three locations for adipose discussed in class.
- deep to the skin
- around the eyeballs
- around the kidneys
-
List the three functions of adipose discussed in class.
- energy storage
- cushioning
- insulation
-
In an adipocyte, where would you normally locate the nucleus?
near the cell membrane
-
What is a primary function of brown fat in infants?
heat production
-
List the four locations of reticular connective tissue discussed in class.
- liver
- spleen
- kidney
- bone marrow
-
What is the primary function of reticular connective tissue?
to provide a supportive framework
-
List the four types of dense connective tissue discussed in lecture.
- regular collagenous
- irregular collagenous
- regular elastic
- irregular elastic
-
List the three locations given for dense regular collagenous connective tissue in lecture.
- ligaments
- tendons
- aponeurosis
-
What are the two primary functions of dense regular collagenous connective tissue?
- stabilizers
- provide firm attachment
-
True or False: Regular collagenous tissue can withstand tension or stretching only in the direction of fiber orientation.
True
-
A dense connective tissue whose fibers run in the same direction is classified as:
regular connective tissue
-
List the three locations of dense irregular collagenous connective tissue discussed in class.
- muscle sheaths
- deep dermis
- organ capsules
-
What is the primary function of dense irregular collagenous connective tissue?
strength
-
Where in the human body do we find dense regular elastic connective tissue?
- vocal cords
- ligaments between vertebrae
-
What is the primary function of dense regular elastic connective tissue?
stabilization
-
What is the primary benefit of dense regular elastic connective tissue?
able to expand and return to the original shape
-
True or False: Dense regular elastic connective tissue can be stretched in any direction.
False - it can only be safely stretched in the direction of fiber orientation
-
Where in the human body do we encounter dense irregular elastic connective tissue?
elastic arteries
-
What are the two primary functions/benefits of dense irregular elastic connective tissue?
- able to expand in all directions
- returns to original shape after expansion
-
What is the primary function of red blood cells?
transportation of gases
-
Blood consists of what two components?
- fluid matrix or plasma
- formed elements - blood cells
-
List the three types of blood cells.
- red blood cells
- white blood cells
- platelets
-
List the five types of white blood cells discussed in class.
- monocytes
- lymphocytes
- eosinophils
- neutrophils
- basophils
-
Which type of white blood cell becomes a macrophage when it leaves the blood?
monocytes
-
Which type of white blood cell travels through the blood looking for pathogens?
lymphocytes
-
Which two types of white blood cells are microphages?
-
Which type of white blood cell releases histamine and heparin in order to support mast cell function?
basophils
-
Little cell fragments that secrete clotting factors are known as:
platelets
-
List the four steps of the lymph process discussed in class.
- lymph is collected from the interstitial space
- monitored by the immune system
- transported by the lymphatic system
- returned by means of the venous system
-
Cartilage is comprised of what two components?
-
List the three types of cartilage.
- hyaline
- elastic
- fibrocartilage
-
List the three locations of hyaline cartilage discussed in class.
- embryonic skeleton
- nasal septum
- articulation of joints
-
What are the two functions of hyaline cartilage discussed in class?
- reduction of friction
- support with flexibility
-
Which type of cartilage has the least amount of visible fiber?
hyaline cartilage
-
List the three locations for elastic cartilage given in lecture.
- epiglottis
- auricle
- auditory tubes
-
What is the primary benefit of elastic cartilage?
it withstands distortion
-
True or False: Elastic cartilage is more maleable than hyaline cartilage.
True
-
In what two locations in the human body will you find fibrocartilage?
- intervertebral discs
- pubic symphisis
-
What are the two functions of fibrocartilage discussed in class?
- compression resistance
- limit range of motion
-
Which type of cartilage contains the greatest number of collagen fibers, and thus possesses the greatest amount of strengh?
fibrocartilage
-
List the three functions of bone.
- structure
- protection
- mineral storage
-
Describe the basic structure of bone.
a hard mineral matrix with protein fibers
-
Define membrane.
physical barriers that line or cover a part of the body
-
What is the basic structure of a membrane?
an epithelium supported by a connective tissue
-
List the four types of membranes.
- mucous
- serous
- cutaneous
- synovial
-
List the three locations of mucous membranes discussed in class.
- lining the stomach and intestines
- lining most of our airways
- lining cavities exposed to the environment
-
List the two main components of mucous membranes.
- columnar epithelium
- areolar connective tissue
-
A simple, thin membrane is known as:
serous membrane
-
Where would you likely find serous membrane?
cavities of the body not exposed to the environment
-
What are the two primary components of serous membrane?
- simple squamos epithelium (mesothelium)
- areolar connective tissue
-
List the two primary components of cutaneous membrane.
- epidermis - stratified squamos epithelium
- dermis - connective tissue
-
Which type of membrane lines your joints?
synovial membrane
-
What are the two primary components of synovial membrane?
- simple squamos epithelium
- areolar connective tissue
-
Which type of muscle tissue are striated?
skeletal and cardiac
-
Which type of muscle tissue is voluntary?
skeletal
-
Which type of muscle tissue is involuntary?
smooth and cardiac
-
Which type of muscle tissue has multiple nuclei per cell?
skeletal
-
Which type of muscle tissue exhibits branching?
cardiac
-
Where will smooth muscle tissue be found?
- walls of digestive tract
- respiratory tract
- urinary tract
- blood vessels
-
What is the primary function of smooth muscle tissue?
to change the diameter or a tract or vessel
-
What are the two types of nervous tissue?
-
What are the four cardinal signs of Inflammation?
-
What is the primary function of neurons?
to conduct electrical systems
-
The nervous tissue that is a "support staff" for neurons is known as:
neuroglia
-
What type of cells removes toxins and waste products as part of the inflammation process.
phagocytes
-
What type of hormone causes pain?
prostaglandins
|
|