Mastering A&P chapter 4
What is the purpose of the fasciae in the body?
All of the listed responses are correct
Anne Marie has a condition called Ehlers-Danlos syndrome that affects the connective tissue found in her joints and skin. What are the characteristics of connective tissue?
All types of connective tissue have specialized cells embedded in a matrix composed of extracellular fibers and ground substance.
What statement about tissues is correct?
An organ combines several different tissues
Which surface attaches to the underlying epithelial cells or deeper tissues?
Basal
Where is the tissue level of organization?
Between cells and organs
Which muscle cell type has visible striations but is not under voluntary control?
Cardiac
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?
Chondrocytes
What basic tissue type is responsible for structural support of other tissues and also stores energy?
Connective
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.
Which of the four basic tissue types form coverings or linings of organs?
Epithelial tissue
In exfoliative cytology, epithelial cells are removed and examined without any lasting damage to the tissue from which these cells are removed. Why is there usually NO lasting damage?
Epithelial tissue is capable of regeneration.
Because connective tissue is found throughout the body, more than just Anne Marie's joints and skin could be affected by Ehlers-Danlos syndrome. What is fascia and where is it found?
Fasciae are layers of connective tissue that surround and support organs.
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 most common type of cartilage is ________ cartilage.
Hyaline
What cell is activated during an injury to connective tissue that stimulates the inflammatory response?
Mast cell
Ehlers-Danlos syndrome specifically affects collagen fibers. What other types of fibers in addition to collagen are found in connective tissue?
Reticular and elastic fibers are also found in connective tissues.
The proximal tubule of the nephron (kidney tubule) in the kidney is composed of which type of epithelium?
Simple cuboidal epithelium
Which of the three muscle types has multiple nuclei?
Skeletal
Which part of the neuron (a specialized nerve cell) recieves signals from other cells and is also main metabolic region of the neuron?
Soma
The epithelium of the esophagus is composed of which type of epithelial tissue?
Stratified squamous epithelium
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 gin pleurisy.
Which of the following is NOT a property of neuroglia?
They conduct electrical impulses.
A group of cells working together to perform a particular function is called a(n) __________.
Tissue
inflammation is
a process that clears damaged cells and dangerous microorganisms from an injury
The function of simple cuboidal epithelium is
absorption and secretion
Cells that store fat are called
adipocytes
An epithelial cell can be divided into two functional regions. They are the ________ and the basal surface.
apical
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
Most of the nervous tissue of the body is in the
brain and spinal cord
Which blood vessels have porous walls that allow water and small solutes to seep through?
capillaries
Intercalated discs and pacemaker cells are characteristic of ________ tissue.
cardiac muscle
Chondroitin surface is abundant in the matrix of
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.
During an inflammatory response to injury, which of the following is the LEAST likely in the region of the injury? increase in blood flow swelling increase in histamine increase in basophils cold, pale skin
cold, pale skin
Identify the connective tissue fiber at the end of the arrow that resists pulling and stretching forces in one direction.
collagen
The dominant type of extracellular protein fiber in dense connective tissue is
collagen
The three types of protein fibers in connective tissue are
collagen, reticular, and elastic
Which type of compound gland, shown at the end of the arrow, is found in salivary glands?
compound tubuloalveolar
Blood is which type of tissue?
connective
Epithelial tissue is always attached to which other major tissue type
connective tissue
Which structure typically receives information from other neurons?
dendrite
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
In stratified epithelia adapted to resist mechanical forces, which of the following types of cell-to-cell junctions are especially abundant?
desmosomes
The auricle or outer ear contains
elastic cartilage
Glands that secrete hormones into the interstitial fluid are _________ glands.
endocrine
The tissue that always has an apical and a basal surface is ________ tissue.
epithelial
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
Exfoliative cytology involves the removal of epithelial cells for examination. Which of the following is NOT a clinical application of exfoliative cytology?
examination of cardiac muscle cells after a heart attack
The Pap test for cervical cancer utilizes
exfoliative cytology
An example of keratinized stratified squamous epithelium would be
exposed skin
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 __________.
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
what junction is required for cell-to-cell communication?
gap junction
The viscous component of connective tissue matrix is called
ground substance
Glands that secrete their product by the bursting of cells are ________ glands
holocrine
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
Mast cells, in the process of stimulating an inflammatory response, secrete all EXCEPT which of the following? interleukin-1 histamine heparin prostaglandins
interleukin-1
The color distinction between white fat and brown fat exists because brown fat
is highly vascular
Defense cells in blood are called white blood cells or
leukocytes
Transitional epithelium is found
lining the urinary bladder
Interstitial fluid that enters a lymphatic vessel is called
lymph
Which tissue is correctly paired with its category of connective tissue?
lymph fluid connective tissue
Cells that engulf bacteria or cell debris within loose connective tissue are
macrophages
In areolar connective tissue, ________ cells release histamine to stimulate inflammation.
mast
The combination of fibers and ground substance in supporting connective tissues is known as
matrix
Which cell, at the end of the arrow, is present in many connective tissues and can differentiate into different types of cells?
mesenchymal
Epithelial cells that are adapted for absorption usually have ________ at their free surface.
microvilli
Which of the following membranes line cavities that communicate with the exterior of the body?
mucous
Wharton's jelly is a form of
mucous connective tissue
The body's longest cells are
neurons
The function _______ is to propagate electrical signals from one place to another.
neurons
The serous membrane lining the abdominal cavity is the
peritoneum
The watery fluid component of blood is called
plasma
Antibodies are produced by
plasma cells
The serous membrane covering the lungs is the
pleura
A marked loss in strength and elasticity of connective tissue characterizes Marfan's syndrome. Which connective tissue component imparts strength and elasticity?
proteinaceous connective tissue fibers
The internal framework or stroma of organs such as the spleen, liver, and lymph nodes is made up of ________ tissue.
reticular tissue
Gland cells produce
secretions
The reduction of friction between the parietal and visceral surfaces of an internal cavity is the function of
serous membranes
What tissue lines the small intestine and the stomach?
simple columnar epithelium
The epithelia that line body cavities and blood vessels are classified as
simple squamous
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
Voluntary movements are carried out by the contraction of
skeletal muscle
The muscle tissue that shows no striations is _______ muscle.
smooth
The muscle found in the walls of most hollow organs of the body is
smooth muscle.
The framework of connective tissue between the skin and underlying muscles is called the
superficial fascia
Microscopic examination of a tissue reveals a loose framework of fibers embedded in a large volume of fluid ground substance, with a wide variety of cell types. This tissue would most likely have come from the
superficial fascia between skin and muscle
What is the cause of the striated appearance of skeletal and cardiac muscle?
the repeating arrangement of the contractile proteins, actin and myosin
The __________ stops materials from moving between cells across an epithelium.
tight junction
You would find pseudostratified columnar epithelium lining the
trachea
What type of epithelial tissue is specialized to stretch repeatedly without damage?
transitional epithelium
Which formed element of the blood contains a nucleus?
white blood cells