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MAS 112 Ch1-3 Test

Terms

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B LYMPHOCYTES
lymphocytes that produce antibodies in cell-mediated immunity.
SUPPURATIVE
a type of inflammation associated w/ pus formation
KELOID
the healing that occurs after surgery or a severe burn, consisting of a hard, raised scar.
sequala
The aftermath of a particular disease
IMMUNITY
is the ability of the body to defend itself against infectious agents, foreign cells, and even abnormal body cells, such as cancer cells.
HORIZONTAL TRANSMISSION
the route by w/c an infectious diseas is transmitted directly from an infected human to a susceptible human
ANTIBIOTIC
drugs used to treat bacterial infections
ENDOTOXIN
a potent toxin from certain bacteria that causes life-threatening shock.
PYOGENIC
bacteria that cause pus formation
ENDEMIC
describes a disease in w/c endometrial tissue from the uterus becomes embedded elsewhere
OUTBREAK
the sudden occurrence of a disease, in unexpected numbers in a limited area, w/c then subsides
NOTIFIABLE DISEASES
diseases under surveillance that must be reported by physicians to the Centers for Disease Control and Prevention (CDC)
BRADYKININ
substance released by damaged tissue that promotes inflammation
ANTIBODIES
protein secreted by plasma cells that aid in defense against infectious agents.
BASOPHILS
a type of WBC that promotes inflammation and participates in allergic responses.
MAST CELLS
cells found in connective tissue; they contain heparin, serotonin, bradykinin, and histamine
DISINFECTION
reduing the risk of infection or contamination
PANDEMIC
describes an epidemic that has spread to include several large areas worldwide
terminal
A disease that will end in death
FLAGELLA
whip-like cell appendages used for locomotion
SPIRILLA
spiral-shaped bacterial cells.
complication
A disease or state that occurs in a person already suffering from a disease
SEROTONIN
one of many neurotransmitters involved in regulating mood, emotions, and behavior
FLATWORMS
a wormlike animal that has a flattened body
MONOCYTES
a type of WBC that aids in clearing pus.
HUMAN IMMUNODEFICIENCY VIRUS (HIV)
the causative agent of AIDS; a retrovirus--that is, it carries its genetic information as RNA rather than DNA
INTERFERON
a group of substances that stimulates the immune system.
MYCOSES
infectious diseases caused by fungi
acute
A disease that has a sudden onset and a short duration.
CYTOTOXIC T CELLS
T cells, often called killer cells because of their capability to kill invading organisms.
CILIA
the hairlike projections found in the mucous membrane that lines the respiratory tract
SPIROCHETES
corkscrew-shaped bacterial cells.
FIBROBLASTS
connective tissue cells that produce fibers to ain in healing damaged tissue.
homeostasis
A constant state of equilibrium within the body
physiology
The study of the normal function of the body
ENDOSPORES
structures produced by bacteria and formed to cope with harsh environmental conditions
INFECTIOUS DISEASE
diseases caused by pathogenic microorganisms
NUCLEIC ACID ANALOGUES
anti-viral medications
POLYMORPHS
WBCs specialized to figtht against invading agents or injury.
ANTIBIOTIC RESISTANCE
resistance arising when bacteria adapt to antibiotics and the adaptation becomes common in the bacterial population, rendering the antibiotics ineffective
FLAGELLATES
a type of protozoa that moves using whiplike appendages called flagella
EPIDEMIC
the occurrence of a disease in unusually large numbers over a specific area
Rh FACTOR
antigen on erythrocyte, used for blood typing
CHEMOTAXIS
the attraction of WBCs to the site of inflammation
TOXOID
a chemically altered toxin that stimulates an immune response.
exacerbation
When signs and symptoms of a chronic disease recur in all their severity
LYMPHATIC SYSTEM
an important part of the body's immunity, it consists of modes, organs, and a complex network of thin-walled capillaries carrying lymph fluid to help to maintain the internal fluid environment of the body.
VIBRIOS
comma-shaped bacterial cells.
QUARANTINE
the separation of persons who may or may not be infected from healthy people until period of infectious risk is passed
EPINEPHRINE
the hormone secreted by the adrenal medulla in emergency situations or during periods of high stress; also used as a drug to dilate bronchioles in some asthma attacks.
ACTIVE IMMUNITY
a type of artificial immunity; the person is given a vaccine or toxoid as the antigen, and he or she forms antibodies to counteract it.
PLASMA CELLS
cells that develop from B cells and produce antibodies.
PASSIVE IMMUNITY
doses of preformed antibodies from immune serum of an animal, usually a horse. This type of immunity is short-lived but acts immediately
ALLERGY
abnormal immunologic response to allergens such as pollen, dust, dog hair, and certain foods.
ROUNDWORMS
a wormlike animal that is relatively round in cross-section
LEUKOCYTOSIS
the excessive production or white cells
relapse
When a disease returns weeks or months after its apparent cessation
MEMORY CELLS
B lymphocytes that do not become plasma cells but remain dormant until reactivated by the same antigen.
ANTIGEN
a substance, usually foreign to the body w/c triggers the immune response
HYPERSENSITIVITY
an abnormal immune response and sensitivity to allergens such as pollens, dust, dog hair and certain foods.
SCLERODERMA
a chronic, progressive autoimmune disorder of the skin
HISTAMINE
a substance that causes the capillary walls to become more permeable
HYPEREMIA
increased bloodflow to an injured area, causing heat and redness associated w/ inflammation
symptoms
Subjective indications of disease reported by the patient.- pain, dizziness,itching
NONCOMMUNICABLE
infectious diseases that are not transmitted directly by humans.
NEUTROPHILS
WBCs that fight against invading agents or injury.
RESERVOIRS
the sources of a pathogen and a potential source of disease
idiopathic
A term to describe a disease for which the cause is not known.
prognosis
The predicted course or outcome of the disease
signs
Objective evidence of disease observed on physical exams- abnormal pulse,fever,sweatingor pallor
syndrome
A certain sets of signs and symptoms that occur concurrently in some diseases
BACILLI
rod-shaped bacterial cells.
STANDARD PRECAUTIONS
precautions such as gloves required of medical personnel when handling patiens or bodily fluids
INCIDENCE
the number of new cases of a disease in a population
disease
A state of functional disequilibrium that may be resloved by recovery or death.
PREVALENCE
the number of existing cases of a disease
T LYMPHOCYTES
provide cell-mediated immunity and are processed by the thymus gland.
INFESTATIONS
infections involving wormlike animals called helminths.
ACTIVATED LYMPHOCYTES
WBCs that have been stimulated by antigens that include B and T cells.
PSEUDOPODIA
cell membrane extensions used for locomotion of phagocytosi
remission
A period of time when signs and symptoms of a chronic disease subside
CAPSID
protein coat of viruses
CORTISOL
the principle hormone in the group of steroid hormones, also known as hydrocortisone; stress increases production of cortisol.
VECTORS
animals that transmit pathogenic microorganisms to humans
CILIATES
a type of protozoa that moves using hairlike cilia
HEPARIN
an anticoagulant
AUTOIMMUNE DISEASES
failure of immune tolerance; activated T cells and antibodies attack the body's own tissue.
LATENT INFECTION
a condition caused when viruses insert themselves in cells and do not reproduce.
LYSE
the infecting of cells by viruses
SPECIFIC DEFENSE
defenses that are effective against particular identified foreign agents.
VERTICAL TRANSMISSION
the route by w/c an infectious disease is transmitted from one generation to the next
INFLAMMATORY EXUDATE
fluid composed of plasma and white cells that escape from capillaries
HUMORAL IMMUNITY
protection from infection provided by antibodies
LEUKOCYTES
white blood cells; WBCs
SUPPRESSOR T CELLS
the type of T cell that controls the immune response
GRAM STAIN
the staining technique that permits the identification of bacteria
CONTAGIOUS/COMMUNICABLE
an infectious disease transmitted from human to human
mortality
The mesure of the number of deaths attributed to a disease in a given population in a given period of time.
CELL WALLS
a rigid layer of organic material surrounding delicate cell membranes of bacteria
PATHOGENS
microorganisms that cause disease
ISOLATION
keeping an infected person in the hospital or staying at home in bed when suffering form a disease as a way of controlling the transmission of infectious diseases
NONSPECIFIC DEFENSE
defenses that are effective against any foreign agent that enters the body.
DISCOID
the mild form of lupus erythematosus in w/c red, raised, itchy lesions develop
COCCI
Spherical, round bacterial cells.
FIBRIN
a plasma protein essential for blood-clotting
morbidity
The measure of the disability and extent of illiness caused by a disease.
ANAPHYLACTIC SHOCK
a severe inflammation brought on by a severe antigen-antibody reaction such as occurs in an incompatible blood tranfusion.
MYCELIA
filaments in fungi specialized for absorption of nutrients.
CHRONIC FATIGUE SYNDROME
a disease that produces flulike symptoms, including severe and persistant fatique, muscle and joint pain, and fever.
HELPER T CELLS
T cells that help the immune system by increasing the activity of killer cells and stimulating the suppressor T cells
CELL-MEDIATED IMMUNITY
protection from infection provided by T cells
diagnosis
The determination of the nature of the disease based on many factors like signs,symptoms and lab results
pathogenesis
The source or cause of the disease together with its development
anatomy
The study of the normal structure of the body
ACQUIRED IMMUNODEFICIENCY SYNDROME (AIDS)
the deadly disease caused by HIV that destroys an individual's immune system, making the victim remarkably susceptible to infection
ADHESIONS
connective tissue fibers that anchor adjacent structures together; a kinking of the intestines
SPORES
microscopic fungal reproductive structures that can induce allergies
AUTOANTIBODIES
antibodies produced against self antigens
chronic
A disease that may be insidiuous and is long lived
SPOROZOANS
a form of protozoa; a single-celled, not mobile, eukaryotic microorganism
AMOEBOIDS
a type of protozoa that moves with pseudopodia
VACCINE
a low dose of dead or deactivated bacteria or virus that stimulates an immune response.
pathology
The study of disease
SYSTEMIC LUPUS ERYTHEMATOSUS (SLE)
an autoimmune disease that not only affects the skin but also causes the deterioration of collagenous connective tissue.
etiology
The cause of a disease
BINARY FISSION
process in w/c bacteria reproduce by splitting in half
lesion
An abnormal change in structure of an organ or part due to injury or disease
IMMUNOGLOBULIN (Ig)
antibodies

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