Aging tends to increase bony spread within the body as chondrocytes die.
answer
False
question
Macrophages are found in areolar and lymphatic tissues.
answer
True
question
Select the correct statement regarding adipose tissue.
answer
Its primary function is nutrient storage.
question
The first step in tissue repair involves ________.
answer
inflammation
question
Smooth muscle cells possess central nuclei but lack striations.
answer
True
question
Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as ________.
answer
Endocrine
question
Which type of gland produces hormones?
answer
endocrine glands
question
What are the three main components of connective tissue?
answer
ground substance, fibers, and cells
question
Blood is considered a type of connective tissue.
answer
True
question
________ is a water-soluble, complex glycoprotein that is secreted by goblet cells.
answer
Mucin
question
What is the most obvious structural feature of areolar connective tissue?
answer
the loose arrangement of its fibers
question
Which cells are commonly found wedged between simple columnar epithelial cells?
answer
goblet cells
question
After open heart surgery, the heart's pumping efficiency may be reduced because__________.
answer
both adhesions and fibrosis will interfere with the heart's normal pumping activity and reduce its effectiveness
question
Injured cartilage might heal more quickly if a treatment were discovered that would __________.
answer
stimulate blood vessels to develop within cartilage
question
Which of the following is not found in the matrix of cartilage but is found in bone?
answer
blood vessels
question
Which type of epithelium lines the interior of the urinary bladder?
answer
transitional epithelium
question
How is hyaline cartilage different from elastic or fibrocartilage?
answer
Fibers are not normally visible.
question
Groups of cells that are similar in structure and perform a common or related function form a(n) ________.
answer
tissue
question
Simple cuboidal epithelia are usually found in areas where secretion and absorption occur.
answer
True
question
Select the correct statement regarding the stem cells of connective tissue.
answer
"Blast" cells are undifferentiated, actively dividing cells.
question
Chondroblasts ________.
answer
within the cartilage divide and secrete new matrix
question
________ epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane.
answer
Pseudostratified columnar
question
Which of the following is not a step in tissue repair?
answer
Formation of new stem cells
question
Depending on the functional state of the bladder, transitional epithelium may resemble stratified squamous or stratified cuboidal epithelium.
answer
True
question
________ is the tissue that regulates and controls body functions.
answer
Nervous tissue
question
Select the correct statement regarding epithelia.
answer
Stratified squamous epithelia are present where protection from abrasion is important.
question
A major characteristic of fibrocartilage is its unique amount of flexibility and elasticity.
answer
False
question
Which tissue type consists of a sheet of cells that covers a body surface or lines a body cavity?
answer
epithelial tissue
question
Which type of membrane is a dry membrane exposed to the air?
answer
cutaneous membrane
question
Which of the following statements is INCORRECT?
answer
Simple cuboidal epithelia are found in areas that stretch.
question
Aunt Jessie woke up one morning with excruciating pain in her chest. She had trouble breathing for several weeks. Following a visit to the doctor, she was told she had pleurisy. What is this condition and what did it affect?
answer
Pleurisy is inflammation of the serous membranes covering the lungs. Inflamed pleural serous membranes create friction, resulting in pain as the lungs move during breathing.
question
Which of the following describes a holocrine gland?
answer
Holocrine glands secrete their products by rupturing.
question
Endocrine glands are often called ducted glands.
answer
False
question
Merocrine glands produce their secretions by accumulating their secretions internally until the cell ruptures.
answer
False
question
Which of the following is NOT a role of connective tissue?
answer
absorption
question
Heart muscle cells would tend to separate without ________
answer
intercalated discs
question
Which statement best describes connective tissue?
answer
usually contains a large amount of matrix
question
Edema occurs when
answer
areolar tissue soaks up excess fluid in an inflamed area
question
Which tissues have little to no functional regenerative capacity?
answer
cardiac muscle and nervous tissue in the brain and spinal cord
question
Which of the following would be of most importance to goblet cells and other glandular epithelium?
answer
Golgi bodies
question
Mesenchymal cells are most commonly found in ________ connective tissue.
answer
embryonic
question
Inability to absorb digested nutrients and secrete mucus might indicate a disorder in which tissue?
answer
simple columnar
question
Which tissue repair process results in the formation of scar tissue?
answer
fibrosis
question
Which of the following is a property of epithelial tissue?
answer
Epithelial tissue is innervated.
question
Connective tissues ________.
answer
primarily consist of extracellular matrix
question
Connective tissues that possess a large quantity of collagen fibers often provide the framework for organs such as the spleen and lymph nodes.
answer
False
question
A many-layered epithelium with cuboidal basal cells and flat cells at its surface would be classified as ________.
answer
stratified squamous
question
The basic difference between dense irregular and dense regular connective tissues is in the amount of elastic fibers and adipose cells present.
answer
False
question
Choose the correct pairing for a tissue and its embryonic origin.
answer
Epithelium is derived from all three primary germ layers: ectoderm, mesoderm, and endoderm.
question
Which of the following is true about the mode of secretion of exocrine glands?
answer
Merocrine glands are not altered by the secretory process.
question
The shape of the external ear is maintained by ________.
answer
elastic cartilage
question
In adult humans, most cancers are carcinomas or adenocarcinomas. These include cancers of the skin, lung, colon, breast, and prostate. Which of the four basic tissue types is involved, and why?
answer
Epithelial tissue: it is exposed to the environment and is constantly dividing, both factors allowing more opportunity for damage and overcoming growth control mechanisms.
question
Connective tissue matrix is composed of ________.
answer
fibers and ground substance
question
Why are adipose, blood, and bone all considered to be connective tissues?
answer
They have a common origin, mesenchyme.
question
Which of the following glands might utilize the secretory mechanism and duct structure shown in A?
answer
salivary
question
The reason that intervertebral discs exhibit a large amount of tensile strength, which allows them to absorb shock, is because they possess ________.
answer
collagen fibers
question
Elastic cartilage tissue is found in the walls of the large arteries that leave the heart.
answer
False
question
Cell type not found in areolar connective tissue.
answer
chondrocytes
question
Which is the most atypical connective tissue since it does not connect things or provide structural support?
answer
blood
question
Choose the answer that shows the correct order for the standard preparation of a histological specimen.
answer
(1) fixation, (2) sectioning, (3) staining
question
Arteries, veins, and lymphatics keep clots from sticking as long as their ________ is intact and healthy.
answer
endothelium
question
An infection may occur in a tissue injury. Why?
answer
The increased availability of nutrients allows microorganisms to replicate. The skin and mucous membranes are body's first line of defense and are mostly impenetrable to microorganisms, unless broken or damaged by tissue injury.
question
All connective tissues arise from an embryonic tissue called mesenchyme.
answer
True
question
Which of the following is true about epithelia?
answer
Endothelium provides a slick surface lining all hollow cardiovascular organs.
question
What tissue has lacunae, calcium salts, and blood vessels?
answer
osseous tissue
question
Which of the following is a single-celled layer of epithelium that forms the lining of serous membranes?
answer
simple squamous
question
Where is transitional epithelium found?
answer
in areas subjected to stretching
question
Goblet cells are found within pseudostratified ciliated columnar epithelium.
answer
True
question
Cartilage has good regenerative capacity, while most epithelial tissues do not.
answer
False
question
All epithelia have two surfaces, an apical surface and a basal surface, that differ in both structure and function.
Which of the following increases the surface area of certain epithelial tissues?
answer
microvilli
question
Exocrine glands ________.
answer
secrete substances onto body surfaces
question
Squamous cells are flattened and scalelike when mature.
answer
True
question
The simple columnar epithelium that form absorptive cells of the digestive tract have which characteristic?
answer
dense microvilli
question
Which tissue is correctly paired with its primary cell type?
answer
bone: osteoblast
question
Epithelial tissues always exhibit apica-basal polarity; meaning that cell regions near the apical surface differ from those near the basal surface.
answer
true
question
After a heart attack, fibrosis occurs at the site of cardiac muscle cell death. This reduces the efficiency of the heart's pumping activity because __________.
answer
fibrous connective tissue is incapable of contracting
question
The shock-absorbing pads between the vertebrae are formed of fibrocartilage.
answer
true
question
Smooth muscle ________.
answer
is under involuntary control
question
Tendons and ligaments are composed mainly of dense irregular connective tissue.
answer
false
question
________ are highly phagocytic cells that are a part of the body's defense system. These cells can be localized (fixed), or they can wander throughout the body.
answer
macrophages
question
The blast cell for blood production is the ________.
answer
hemocytoblast
question
Select the TRUE statement.
answer
Dense connective tissue is often called fibrous connective tissue
question
The fiber type that gives connective tissue great tensile strength is ________.
answer
collagen
question
Functions of connective tissues include binding, support, insulation, and protection.
answer
true
question
Mucous cells are ________.
answer
unicellular exocrine glands
question
Which is true concerning muscle tissue?
answer
highly cellular and well vascularized
question
Cartilage tissue tends to heal less rapidly than bone tissue.
answer
true
question
In connective tissue, the role of collagen fibers is to ________.
answer
provide tensile strength
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