mastering a and p chapter 4
What are the different types of connective tissue?
Connective tissue can be divided into three main types: connective tissue proper, fluid connective tissue, and supporting connective tissue.
What is fascia and where is it found?
Fasciae are layers of connective tissue that surround and support organs.
How can cartilage maintain its function even though it is avascular?
How can cartilage maintain its function even though it is avascular?
Defense cells in blood are called white blood cells or
LEUKOCYTES
What other types of fibers in addition to collagen are found in connective tissue?
Reticular and elastic fibers are also found in connective tissues.
A patient goes to his doctor because he has noticed a pain and a rubbing sound when he breathes. The patient has also noticed that his abdomen has gotten bigger, but he eats a healthy diet. What is most likely the cause of the patient's condition?
The serous membranes are inflamed and scratching against one another, resulting in pleurisy.
The function of simple cuboidal epithelium is
absorption secretion
The process of lactation (milk production) depends on both merocrine and ________ secretion by mammary gland epithelial cells.
apocrine
Which type of secretion involves the loss of apical cytoplasm?
apocrine
Which of these carries information from the neural cell body to the next cell?
axons
Which surface attaches to the underlying epithelial cells or deeper tissues?
basal
Epithelium is connected to underlying connective tissue by
basement membrane
Where is the tissue level of organization?
between cells and organs
Chondrocytes are to cartilage as osteocytes are to
bone
Most of the nervous tissue of the body is in the
brain and spinal cord
Which muscle cell type has visible striations but is not under voluntary control?
cardiac
The recirculation of fluids in the body is essential to homeostasis, eliminating local variations in the fluids, maintaining blood volume, and alerting the immune system to infection. What correctly describes the recirculation of fluids in the body?
cardiovascular system, interstitial fluid, lymph, cardiovascular system
neural tissue
carries information from one part of the body to another
A tissue with a firm gel matrix and cells inside lacunae is
cartilage
To celebrate her 50th birthday, Anna got her ear pierced in the elastic cartilage portion (pinna). The piercing specialist informed her that it will take at least 6 weeks to heal. This is because __________.
cartilage is avascular, so healing takes longer
The majority of cancers are caused by
chemical exposure or other environmental factors
Antiangiogenesis factor is a chemical produced by ________ that blocks the growth of blood vessels.
chondrocytes
What is the only type of cell found in cartilage matrix? (Figure 4-16)
chondrocytes
Identify the connective tissue fiber that resists pulling and stretching forces in one direction.
collagen
The dominant type of extracellular protein fiber in dense connective tissue is
collagen
In "simple columnar epithelium," which word describes cell shape and which word describes the number of cell layers? (Figure 4-6)
columnar simple
Which type of compound gland is found in salivary glands?
compound tubuloalveolar
Blood is which type of tissue?
connective
What basic tissue type is responsible for structural support of other tissues and also stores energy?
connective
Epithelial tissue is always attached to which other major tissue type?
connective tissue
The three categories of connective tissues are
connective tissue proper, fluid connective tissue, and supporting connective tissue.
Which type of tissue membrane is characteristically dry?
cutaneous
Which structure typically receives information from other neurons?
dendrite
__________ provide strength in many directions.
dense irregular connective tissues
Dead skin cells are shed in thin sheets because they are held together by "spots" of proteoglycan reinforced by intermediate filaments. Such strong intercellular connections are called
desmosomes
Any substance that enters or leaves your body must cross
epithelial tissue
Which of the four basic tissue types form coverings or linings of organs?
epithelial tissue
Close examination of a healthy organ reveals a lining of several layers of cells. The layers do not contain any blood vessels and one surface of the cells lines the cavity of the organ. This tissue is a type of
epithelium
What type of cell makes up almost half the volume of blood?
erythrocyte
Characteristics of epithelia do not include
extracellular matrix
Chondrocytes are to the epiglottis as osteocytes are to the __________.
femur
What connective tissue cells produces collagen?
fibroblasts
It has been shown that as a person ages, the amount of collagen in the skin decreases and becomes more disorganized. Of the choices below, which is the best explanation for why this happens?
fibroblasts become less active as we age
The permanent replacement of normal tissue by fibrous tissue is called
fibrosis
When Rachel was 10, she had a mini-bike accident resulting in severe road rash on her right calf. This injury eventually healed, but resulted in permanent __________.
fibrosis
A herniated disc is an injury of the pads of cartilage between the vertebrae in which the cartilage bulges from normal position. What type of cartilage is affected?
fibrous
You are observing a type of connective tissue that contains a variety of cells in a watery matrix. Based on these observations, what category of connective tissue are you looking at?
fluid connective tissue
The junction type that lets neighboring cells exchange small molecules is the
gap junction
Which junction is required for cell-to-cell communication
gap junction
The viscous component of connective tissue matrix is called
ground substance
the study of tissues
histology
Glands that secrete their product by the bursting of cells are ________ glands.
holocrine
Which method of secretion destroys the cell? (Figure 4-8)
holocrine
The most common type of cartilage is ________ cartilage.
hyaline
Which type of connective tissue is found in the trachea and between the ribs and sternum?
hyaline cartilage
The body's first tissue response to any injury is
inflammation
Growth of cartilage by accumulation of new matrix around chondrocytes that are embedded in existing matrix is called ________ growth.
interatitial
The color distinction between white fat and brown fat exists because brown fat
is highly vascular
Simple squamous epithelium is found __________.
lining blood vessels
The three major subdivisions of extracellular fluid found in the body are plasma, interstitial fluid, and
lymph
What cell is activated during an injury to connective tissue that stimulates the inflammatory response?
mast cell
The combination of fibers and ground substance in supporting connective tissues is known as
matrix
Which cell is present in many connective tissues and can differentiate into different types of cells?
mesenchymal
Cells that respond to injury by dividing to assist in connective tissue repair are
mesenchymal cells
What is the name of the epithelium that lines the peritoneal cavity? (Figure 4-18)
mesothelium
Epithelial cells with important transport functions such as absorption and secretion often bear __________ on their free surfaces.
microvilli
Unicellular exocrine glands secrete
mucus
________ support, protect, and nourish nerve cells.
neuroglia
The body's longest cells are
neurons
The function of ________ is to propagate electrical signals from one place to another.
neurons
Cartilage is separated from surrounding tissues by a fibrous
perichondrium
Antibodies are produced by
plasma cells
The three kinds of formed elements in blood are erythrocytes, leukocytes, and
platelets
The serous membrane covering the lungs is the __________.
pleura
Which connective tissue component imparts strength and elasticity?
proteinaceous connective tissue
What is the purpose of the fasciae in the body?
providing strength and stability providing a supply route for the distribution of blood vessels, lymphatic vessels, and nerves maintaining the relative positions of internal organs
The internal framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of ________ tissue.
reticular tissue
Many types of epithelial cells perform the function of __________.
secretion
Which of the following membranes covers the surface of visceral organs?
serous
The reduction of friction between the parietal and visceral surfaces of an internal cavity is the function of
serous membranes
The proximal tubule of the nephron (kidney tubule) in the kidney is composed of which type of epithelium?
simple cuboidal epithelium
The wall of the alveolus (air sac) in the lung is composed of which type of epithelium?
simple squamous epithelium
Myosatellite cells are found in association with ________ muscle.
skeletal
Myosatellite cells are found within __________ muscle.
skeletal
Which of the three muscle cell types has multiple nuclei?
skeletal
Which type of muscle tissue is under your conscious control?
skeletal
Voluntary movements are carried out by the contraction of
skeletal msucle
Which muscle tissue consists of multinucleate cells?
skeletal muscle
The muscle tissue that shows no striations is ________ muscle.
smooth
__________ muscle tissue lack(s) microscopic striations.
smooth
The muscle found in the walls of most hollow organs of the body is
smooth muscle
Which part of the neuron (a specialized nerve cell) receives signals from other cells and is also the main metabolic region of the neuron?
soma
Cells that are flat and thin are classified as
squamous
The epithelium of the esophagus is composed of which type of epithelial tissue?
stratified squamous epithelium
The framework of connective tissue between the skin and underlying muscles is called the
superficial fascia
Which of the following is NOT a property of neuroglia? a. They supply nutrients to neurons. b. They support neural tissue. c. They conduct electrical impulses. d. They repair neural tissue.
they conduct electrical impulses
What tissue change is not commonly found in an aging body?
thicker epidermis
The __________ stops materials from moving between cells across an epithelium.
tight junction
What type of epithelial tissue is specialized to stretch repeatedly without damage?
transitional epithelium
Which formed element of the blood contains a nucleus? (Figure 4-14)
white blood cells