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Chapter 4 Practice Questions (Human Anatomy)
Terms in this set (110)
You observe a tissue that has cells of varying heights. At first glance, it appears that the tissue has multiple cell layers, but upon closer investigation, you see that all of the cells attach to the same basement membrane.
What classification would you give to this epithelial tissue?
Pseudostratified columnar epithelium
Which of the following tissues lines the majority of the digestive tract?
Which of the following is not a function of epithelial tissues?
What is the role of an exocrine gland?
To secrete substances onto body surfaces or into body cavities.
Which of the following epithelial tissue types is best adapted for the rapid transport of materials across its membranes?
Epithelial tissues, bone, areolar connective tissue, dense irregular connective tissue, and blood __________.
are very good at regenerating
Epithelial Tissue - Descrption: Polarity
Tissue with a free apical surface
Which of the following exocrine glands stores its secretion until the gland ruptures?
A holocrine gland
Epithelial Tissue - Location: Simple squamous
Walls of the air sacs of the lungs and lining blood vessels
You observe a multicellular gland with branched ducts and saclike secretory areas. What type of gland would this most likely be?
A compound alveolar exocrine gland
Which of the following statement is true of glands?
The term gland refers to a great number of structures. An entire human organ system is based on glands.
__________ are important and common unicellular exocrine glands.
Epithelial tissue - Location: Simple cuboidal
Walls of smallest ducts of glands and kidney tubules
A sebaceous (oil) gland of the skin must completely rupture to release its secretory products. Thus, this type of gland is considered to be a __________.
Epithelium - Function: Simple cuboidal
Secretion and absorption
The role of microvilli is to __________.
increase surface area
Why are histological sections stained?
To enhance contrast.
Mucus that protects your stomach lining is secreted by which type of epithelial cell?
An important component of the immune system is mucus, which lines all external surfaces (respiratory, reproductive, and digestive systems) with a slimy coating that prevents the spread of pathogens.
Thus, the immune system is dependent on mucus secreted by which type of gland?
Unicellular exocrine glands
Epithelial tissue - Location: Pseudostratified ciliated columnar
Upper respiratory tract
Which of the following descriptions best describe a squamous-shaped cell?
A flattened, scale-like cell
Which of the following is true of cancer?
Neoplasms may not be life threatening.
Which of the following is true with regards to epithelia?
Epithelial cells have an apical surface and a basal surface which differ in both structure and function.
Which of the following is true concerning stratified columnar epithelium?
The layers of columnar cells provide significant protection against penetration by pathogens. Thus, these cells are found in the pharynx and male urethra.
Which of the following is true with regards to cancer?
Almost half of all Americans develop cancer in their lifetime.
Which of the following is not a known factor that contributes to cancer?
Consumption of excess food
Major tissue type - Description: Epithelium
Avascular; associated with a basement membrane; apical and basal surfaces; great powers of regeneration; sparse extracellular matrix
Epithelial tissue - Function: Pseudostratified columnar
Secrete substances, particularly mucus; propulsion of mucus by ciliary action
Epithelium - Function(s): Stratified squamous
Protection from wear and tear
Epithelial cells have all of the following properties of..
- specialized contacts
- a basement membrane
Epithelial tissue - Location: Stratified cuboidal
Mostly found in the ducts of some of the larger glands (sweat glands, mammary glands)
Epithelial tissue - Location: Transitional
Lines the urinary bladder
Which of the following types of epithelial tissue provides the greatest amount of protection from rubbing, wear, and tear?
Wich of the following are functional characteristics of epithelial tissue?
Secretion, protection, absorption, filtration
Epithelial tissue - Structure: Simple cuboidal
Single layer of cubelike cells with large, spherical central nuclei
The basement membrane is located between which of the following tissue types?
Epithelial and connective tissue
All of the body's organs are derived from three primary germ layers. Which of the primary germ layers can produce epithelial tissues?
Ectoderm, endoderm, and mesoderm can all give rise to epithelial tissues.
Epithelium - Description: Transitional
Multiple layers of cells with apical cells varying in appearance depending on the degree of stretch
Epithelial tissue - Location: Keratinized stratified squamous
Epithelium - Description: Regeneration
Rapidly replace lost cells by cell division
Epithelium - Function(s): Transitional
Which is not considered to be connective tissue proper?
What type of tissue forms tendons?
Dense regular connective tissue
Produce collagen during tissue repair
A flat sheathlike tendon that connects muscle to other muscles or to bone is known as __________.
Blast cell - Function: Fibroblast
Produces fibers and ground substance in connective tissue proper
Connective tissue fiber -Description: Reticular fibers
Short, fine collagenous fibers that branch extensively forming delicate networks.
Connective tissue fiber -Description: Collagen fibers
The strongest and most abundant fibers, they allow connective tissues to resist tension.
Major tissue type - Function: Connective
The stroma of most lymphoid organs is composed of __________.
reticular connective tissue
Connective tissue fiber - Description: Elastic fibers
These long, thin, branching fibers form wide networks within the extracellular matrix and possess the ability to stretch and then return to their original length.
Which of the following statements about collagen is true?
Collagen is a fibrous protein that provides tensile strength to certain connective tissues.
Connective tissue component - Description: Extracellular matrix
Nonliving material located between the cells of a connective tissue
Connective tissue - Location: Dense irregular connective tissue
Primary tissue of the dermis
The best classification of adipose tissue is __________.
a loose connective tissue
Connective tissue - Location: Dense regular connective tissue
A type of connective tissue that provides primary support and protection for body structures is __________.
Connective tissue -Location: Reticular connective tissue
- Bone marrow
- Lymph nodes
During the process of tissue repair, which of the following processes produces scar tissue?
Which of the following is not an example of connective tissue?
Cell component of connective tissue - Function: Mast cells
Connective tissue -Location: Adipose
- In mesenteries
- Surrounding kidneys
- Posterior to eyeballs
Functions of connective tissues.
- Binding and supporting
- Transporting substances within the body
- Storing reserve fuel
(wrong ex: Moving the body)
Connective tissue - Location: Blood
Located within the cardiovascular system
Connective tissue -Function: Elastic cartilage
Maintains the shape of a structure while allowing great flexibility
Connective tissue - Description: Fibrocartilage
Matrix similar to but less firm than that in hyaline cartilage; thick collagen fibers predominate
Connective tissue - Location: Hyaline cartilage
Forms embryonic skeleton and covers the ends of long bones
Connective tissue component - Description: Osteoblast
Description: Smooth muscle muscle
Spindle-shaped (elongated) cells with central nuclei; no striations; cells arranged closely to form sheets
Muscle tissue - Function: Cardiac muscle
Pumps a liquid connective tissue through vessels
Connective tissue - Location: Fibrocartilage
Intervertebral discs; pubis symphysis; menisci of knee joint
Connective tissue component - Description: Plasma
Liquid portion of blood
Body location with its associated muscle tissue type: Walls of the heart
Cardiac muscle tissue
Connective tissue -Function/description: Bone tissue
- Supports and protects body structures
- Stores fat
- Synthesizes blood cells
Function: Hematopoietic stem cells
Blood cell formation
Body location with its associated function: Skeletal muscle
- Voluntary movement
- Manipulation of the environment
- Facial expression
- Voluntary control
Connective tissue - Location: Elastic cartilage
Supports external ear, epiglottis
Cell component of connective tissue - Function: Macrophages
Phagocytic cells that engulf foreign matter
Blood is considered a connective tissue because __________.
it arises from mesenchymal tissue and has a nonliving fluid matrix
Connective tissue -Function/description: Cartilage
- Stands up to both tension and compression
- Tough and flexible, providing resilient rigidity
You observe a muscle that has intercalated discs, and contracts under involuntary conditions. What type of muscle must this be?
Which of the following is not a general feature of connective tissue proper?
Functions to cushion and support body structures
Membrane - Function: Serous
Provides secretions for lubrication of organs enclosed within the body cavities
Neurons are cells that are involved in __________.
responding to stimuli
Embryonic ectoderm develops into which of the following major tissue types?
Epithelial tissue and nervous tissue
Tissue - Structure: Nervous
Branching cells; cell processes that may be quite long
Membrane - Location: Mucous membrane (mucosa)
Lines the inside of hollow organs that open to the body's exterior
Muscle tissue - Description: Skeletal muscle tissue
- Multinucleated cells
- Long, large, cylinder-shaped cells
What is correct order of the steps of tissue repair?
Inflammation, blood clotting, organization, regeneration
Muscle tissue -Description: Smooth muscle tissue
- No striations
- Spindle-shaped cells
- Uninucleated cells
Muscle tissue - Function: Smooth muscle
Allows hollow organs to contract and propel materials through them (digestive organs, reproductive organs, etc.)
Which of the following "sets the stage" for tissue repair?
Major tissue type -Description: Nervous
Made in part of branching cells that respond to stimuli and transmit electrical impulses
Which of the following is not a component of bone?
The skin is a __________ membrane.
Muscle tissue - Function: Skeletal muscle
Allows voluntary movement to occur by changing position of bones
Which tissue type includes two major inter-dependent types of cells?
Tissue - Function: Nervous
Neurons transmit electrical signals from sensory receptors and to effectors (muscles and glands); supporting cells support and protect neurons
Besides oxygen, what other bloodborne material must be provided to the affected tissues in adequate quantities to promote normal wound healing?
Diabetics with poor lower limb circulation often have slow-healing pressure ulcers on the bottom of their feet. In speeding up the healing process, surgical removal (debridement) of dead tissue from an ulcerative area would encourage increased __________.
granulation tissue formation
The wall of the alveolus (air sac) in the lung is composed of which type of epithelium?
simple squamous epithelium
The proximal tubule of the nephron (kidney tubule) in the kidney is composed of which type of epithelium?
simple cuboidal epithelium
The epithelium of the esophagus is composed of which type of epithelial tissue?
stratified squamous epithelium
Which part of the neuron (a specialized nerve cell) receives signals from other cells and is also the main metabolic region of the neuron?
Which of the three muscle cell types has multiple nuclei?
Which muscle cell type has visible striations but is not under voluntary control?
Which tissue type consists of a sheet of cells that covers a body surface or lines a body cavity?
Which survival need shortage would most affect articular cartilage's ability to rebound after joint compression, and why does it have this effect?
Water, since it makes up to 80% of cartilage's content and helps cushion articular bone surfaces.
Predict what would happen if a lung's visceral membrane were pulled away from its parietal membrane still attached to the chest wall.
Loss of membrane adhesive force would cause lung collapse.
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