Tissues (Ch 4) Flashcards
The study of tissues and their relationships within organs is called ______.
histology
physiology
cytology
embryology
histology
The majority of glands are composed of ______.
nervous tissue
muscle tissue
connective tissue
epithelial tissue
epithelial tissue
Select all that apply
Which characteristics describe epithelial tissue?
The cells are bound closely together.
A large amount of extracellular matrix separates the cells.
It is composed almost entirely of cells.
It is composed almost entirely of extracellular matrix.
The basal surface is bound to a basement membrane.
The cells are bound closely together.
It is composed almost entirely of cells.
The basal surface is bound to a basement membrane.
Select all that apply
Which of the following are functions of epithelial tissue?
Secretions
Physical protection
Sensations
Storage and transport
Selective permeability
Secretions
Physical protection
Sensations
Selective permeability
Select all that apply
Which are functions of the basement membrane?
Anchors epithelial cells together
Acts as a barrier
Anchors the epithelium to connective tissue
Provides physical support
Acts as a barrier
Anchors the epithelium to connective tissue
Provides physical support
The study of blood, which is a group of similar cells that have a common function, would be an example of ______.
pathology
histology
chemistry
gross anatomy
histology
The ___________ surfaces of epithelial cells contain intercellular junctions.
lateral
Select all that apply
Which statements describe the locations of epithelial tissue?
Lines body cavities
Attached to bones
Covers body surfaces
Covers many organs
Lines many organs
Lines body cavities
Covers body surfaces
Covers many organs
Lines many organs
Select all that apply
Which criteria are used to classify epithelia?
Shape of cells at basal surface
Number of cell layers
Shape of cells at apical surface
Function
Number of cell layers
Shape of cells at apical surface
Select all that apply
Which statements correctly describe epithelial tissue?
It lacks innervation.
It lacks blood vessels.
It is richly innervated.
It has a high regeneration capacity.
It is richly vascularized.
It lacks blood vessels.
It is richly innervated.
It has a high regeneration capacity.
Simple squamous
One layer of flat, wide irregular shaped cells
Simple cuboidal
One layer of cells that are about as high as they are wide
Simple columnar, nonciliated
One layer of tall, narrow cells that often contain microvilli
Simple columnar, ciliated
One layer of tall, narrow cells that can move objects along their apical surface
One of the four major tissue types in the human body, _____________ tissue acts as ‘gatekeepers’ in that it regulates the movement of materials in and out of certain body regions.
Epithelial
Which structure binds epithelial tissue to connective tissue?
Basement membrane
Tight junction
Adhering junction
Gap junction
Basement membrane
Which type of epithelium is in the lining of the lung air sacs?
Simple columnar
Pseudostratified columnar
Transitional
Simple squamous
Simple squamous
Tight junction
Complete attachment between neighboring cells sealing off the intercellular space
Adhering junctions
Acts like a belt providing strength and support between cells
Gap junctions
Has connexons which provide a pore or tunnel between cells
An epithelial cell is classified as _____ if it is thin and flat.
columnar
cuboidal
squamous
squamous
Endothelium lines the ______.
air sacs of the lungs
stomach
liver
heart
heart
Nonkeratinized stratified squamous
Body openings like the oral cavity, vagina and anus
Keratinized stratified squamous
Epidermis of skin
Pseudostratified ciliated columnar
Lines upper respiratory tract
Transitional
Lining of urinary bladder, ureters and part of the urethra
Select all that apply
Where might you find simple squamous epithelium?
Lining of lumen of blood vessels (endothelium)
Lining of air sacs (alveoli) of lungs
Lining of lumen of ureters
Lining of upper respiratory tract
Lining of lumen of blood vessels (endothelium)
Lining of air sacs (alveoli) of lungs
Select all that apply
Which statements characterize simple squamous epithelial tissue?
It lines blood vessels.
It secretes mucus.
It allows for rapid diffusion or filtration.
It lines most digestive organs.
It lines blood vessels.
It allows for rapid diffusion or filtration.
Which of the following secretes mucin?
Goblet cells
Microvilli
Basement membrane
Cilia
Goblet cells
The simple squamous epithelium that lines blood and lymphatic vessels is called a(n) ______.
pseudothelium
endoderm
endothelium
mesothelium
endothelium
Select all that apply
Simple cuboidal epithelium can be found ______.
in kidney tubules
in ducts of most glands
in the lumen of blood vessels (endothelium)
in the lining of the digestive tract
The secretions of endocrine glands are ______.
synovial fluid
mucus
hormones
lymph
hormones
Tiny, cytoplasmic projections on the apical surface of a cell that increases the surface area for secretion and absorption are called _____.
villi
microvilli
mucin
cilia
microvilli
A multicellular exocrine gland consists of ______.
acini and at least one duct
at least one duct and no acini
acini and no duct
acini and at least one duct
Morphology is a(n) ______ classification of an exocrine gland.
physiologic
secretory
anatomic
anatomic
This type of epithelium is known for its ability to move structures like the oocyte in a uterine tube or small particles in the bronchioles of the lung.
Nonciliated simple columnar epithelium
Transitional epithelium
Ciliated simple columnar epitheliu
Ciliated simple columnar epithelium
true or false: An exocrine gland with both secretory tubules and secretory acini called a tubuloacinar gland.
True
Select all that apply
Connective tissues, although diverse, share the following basic components.
Cilia
Ground substance
Exocrine glands
Cells
Proteins fibers
Ground substance
Cells
Proteins fibers
These glands have ducts and excrete their products onto the surface of the skin or into the lumen.
Endocrine
Exocrine
Exocrine
Sacs that produce secretions of multicellular exocrine glands are ______.
ducts
acini
goblet cells
endocrines
acini
Select all that apply
Which are considered the functions of connective tissue?
Binding and support of structures
Cellular communication
Secretion and Sensation
Storage and transport
Physical protection
Binding and support of structures
Storage and transport
Physical protection
Select all that apply
Criteria used to classify multicellular exocrine glands include ______.
acidity of secretion
morphology
hardness of secretion
method of secretio
morphology
method of secretion
The embryonic ______ forms all connective tissues.
endoderm
ectoderm
mesoderm
mesoderm
The three types of connectives include fluid connective tissue,______________ connective tissue, and connective tissue proper
supporting
The secretions of endocrine glands are ______.
hormones
mucus
lymph
synovial fluid
hormones
Which connective tissue cells are derived from monocytes in the blood and reside in the extracellular matrix after leaving the blood?
Mast Cells
Fibroblasts
Adipocytes
Macrophages
Macrophages
______ tissues function to support tissues and bind structures together.
Nervous
Muscle
Connective
Epithelial
Connective
Which is a resident cell of connective tissues and produces fibers?
Leukocyte
Macrophage
Fibroblast
Mast cell
Fibroblast
The embryonic connective tissue called the _________
connective tissue is located in the umbilical cord only.
mucous
Which type of protein fiber, in connective tissue, is the most abundant type of protein in the body and appears pink under the microscope when stained with hemotoxylin and eosin?
Reticular
Elastic
Collagen
Collagen
true or false: An exocrine gland with both secretory tubules and secretory acini called a tubuloacinar gland.
true
Select all that apply
Which are characteristics of collagen fibers?
They are smaller than elastic fibers.
They resist stretching.
They are strong and flexible.
They appear white in fresh tissues.
They resist stretching.
They are strong and flexible.
They appear white in fresh tissues.
Select all that apply
Which is NOT a type of connective tissue?
Fluid connective tissue
Pseudostratified connective tissue
Connective tissue proper
Simple squamous connective tissue
Supporting connective tissue
Pseudostratified connective tissue
Simple squamous connective tissue
Fibroplast
Produce fibers and ground substance
Adipocytes
Store lipid reserves
Fixed macrophages
These large cells phagocytize damaged cells and pathogens
Cells of connective tissue that are stationary and help support, maintain, and repair extracellular matrix are ______.
parenchymal cells
pluripotent cells
wandering cells
resident cells
resident cells
This type of connective tissue is found nearly everywhere in the body. It is also found just deep to all epithelia. It is called ______ connective tissue.
areolar
dense
adipose
blood
cartilage
areolar