Chapter 4 - FacultyWeb

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Epithelial tissue has several distinctive
properties. Which correctly lists these
properties?
1.
2.
3.
4.
Avascular and cellularity
Polarity and regeneration
Contractility and excitability
1 and 2
Which of the following is NOT a
characteristic of epithelial tissue?
1.
2.
3.
4.
It is composed entirely of cells.
It stores energy reserves.
It is avascular.
It is capable of regeneration.
An epithelial surface bears many
microvilli. What is the probable function
of this epithelium?
1.
2.
3.
4.
absorption
secretion
transportation
sensation
What is the functional significance of
gap junctions?
1.
2.
3.
4.
They maintain water-tight passages.
They resist stretching and twisting.
They share ions between adjacent cells
They attach cells to extracellular matrix.
Using a light microscope, you examine a tissue and
see a simple squamous epithelium on the outer
surface.
Can this be a sample of the skin’s surface?
1.
2.
Yes
No
Why do the pharynx, esophagus, anus,
and vagina have the same epithelial
organization?
1.
2.
3.
4.
All are subject to mechanical trauma.
All are subject to abrasion.
All must be able to expand.
1 and 2 are correct.
The secretory cells of sebaceous glands fill with
secretions and then rupture, releasing their
contents.
Which type of secretion is this?
1.
2.
3.
4.
acinar
apocrine
merocrine
holocrine
Milk production in mammary glands
involves a combination of which two types
of secretion?
1.
2.
3.
4.
Apocrine and serous
Holocrine and merocrine
Mucous and exocrine
Apocrine and merocrine
Simple branched tubular glands are
characteristic of which examples of glands?
1.
2.
3.
4.
Sweat glands and mammary glands
Gastric glands and mucous glands of
esophagus
Salivary glands and pancreas
Bulbourethral glands and seminiferous
tubules
The singular example of a unicellular
exocrine gland is the ________?
1.
2.
3.
4.
Sweat gland
Intestinal gland
Goblet cell
Not found in adult
A gland has no ducts to carry the glandular
secretions, and the gland’s secretions are released
directly into the extracellular fluid.
Which type of gland is this?
1.
2.
3.
4.
exocrine gland
endocrine gland
acinar gland
tubular gland
Mesenchyme connective tissue gives rise to
which tissue type(s)?
1.
2.
3.
4.
Stratified epithelial tissues
Smooth and cardiac muscle tissues
All nervous tissue
All connective tissues
Lack of vitamin C in the diet interferes with the
ability of fibroblasts to produce collagen. What
effect might this interference have on
connective tissue?
1.
2.
3.
4.
Tissue is unable to phagocytize.
Tissue is unable to produce melanin.
Tissue is weak and prone to damage.
Tissue is unable to produce heparin.
Brown fat is functionally and
structurally different from white fat in
which ways?
1.
2.
3.
4.
It is highly vascularized and contains
numerous mitochondria
It does not capture energy that is
released
It generates heat, which warms blood
All of the above are correct
Many allergy sufferers take antihistamines to
relieve their allergy symptoms. Which type of cell
produces the molecule that this medication
blocks?
1.
2.
3.
4.
eosinophils
mast cells
basophils
2 and 3
Connective tissues share three basic
components. Which of the following
lists these components?
1.
2.
3.
4.
Specialized cells, extracellular fibers, and
ground substance
Mast cells, adipocytes, and mesenchymal
cells
Macrophages, elastic fibers, and collagen
fibers
None of these is correct
Which type of connective tissue
contains primarily triglycerides?
1.
2.
3.
4.
areolar
adipose
reticular
mesenchyme
Why does cartilage heal so slowly?
1.
2.
3.
4.
It lacks a direct blood supply, necessary for
proper healing.
Chondroitin sulfate prevents healing.
Matrix inhibits cellular regeneration.
Interstitial fluid, necessary for proper
healing, is excluded.
If a person has a herniated intervertebral
disc, which type of cartilage has been
damaged?
1.
2.
3.
4.
elastic cartilage
fibrocartilage
hyaline cartilage
areolar cartilage
Which two types of connective tissue
have a fluid matrix?
1.
2.
3.
4.
lymph and cartilage
cartilage and bone
blood and bone
blood and lymph
Which types of connective tissue are
classified as supporting connective
tissue and why?
1.
2.
3.
4.
Adipose and dense regular connective
tissue/they are connective tissue proper
Muscle and blood/they have the highest
need for oxygen
Bone and cartilage/form framework of body
2 and 3
Which cavities in the body are lined by
serous membranes?
1.
2.
3.
4.
cranial and abdominal
pleural, peritoneal, and pericardial
synovial and fascial
nasal, urinary and reproductive
Serous membranes contrast mucous
membranes in what way?
1.
2.
3.
4.
Mucous membranes line passageways that open
to the exterior/serous membranes line sealed
internal subdivisions of the body cavity
Serous membranes line passageways that open
to the exterior/mucous membranes line sealed
internal subdivisions of the body cavity
Serous membranes are parietal/mucous
membranes are visceral
Serous membranes secrete mucous/mucous
membranes secrete transudate
Which type of muscle tissue has small,
tapering cells with single nuclei and no
obvious striations?
1.
2.
3.
4.
skeletal
cardiac
smooth
all of the above
A tissue contains irregularly shaped cells with
many fibrous projections, some several
centimeters long.
These are probably which type of cell?
1.
2.
3.
4.
neuroglia
neurons
myocytes
adipocytes
If skeletal muscle cells in adults are incapable
of dividing, how is new skeletal muscle
formed?
1.
2.
3.
4.
through the enlarging and splitting of
existing cells
through the atrophy of existing cells
through the addition of new striations
through the division and fusion of
satellite cells
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