2nd Quarter- MICROBIOLOGY Exam 3 Flashcards Preview

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Flashcards in 2nd Quarter- MICROBIOLOGY Exam 3 Deck (97)
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1

inhibits microorganisms from entering the body

Mechanical Defenses (Anatomical barriers)

2

types of anatomical barriers

skin, mucous membranes - soft moist tissue inside the nose, ear, mouth, and eyes. Bony encasements - skull, ribcage

3

types of defenses of the body against infection

mechanical, physiological, chemical

4

functional defenses of the body against infection

physiological defenses

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types of physiological defenses of the body against infection

inflammation, fever, phagocytosis

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the body’s total response to an injury

inflammation

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the substance that stimulates the production that causes a fever. They may come from within or from outside the body. They are literally an agent that causes the body temperature to rise

pyrogens

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(white blood cells) scavengers - cell ingestion like pac man.

phagocytosis

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specific chemical substances found within the body that protect us from infection

chemical defense

10

useful substance (glands).

body secretions

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types of chemical defenses

body secretions, antibodies, interferon

12

(type of body secretion)enzymes present in tears, which kill bacteria

Lysozyme

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(type of body secretion)- (HCL) hydrochloric acid produced within the stomach to kill bacteria

gastric juice

14

Specific proteins produced by the body in response to a specific foreign protein (antigen) or bacteria

antibodies

15

trigger production of antibodes

antigens

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medical name for antibodies chemical defense against infection.

Immunoglobulins (Ig)

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virus neutralizing substance produced individually by the body cells. Can be enhanced by vaccination

interferon

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glycoprotein substance developed in response to, and interacting specifically with antigen. Once formed in the body, it will remain forever. It may decrease over the years. Another name is immunogoblin (Ig). They are classified as chemical defenses against specific infection in the body

antibodies

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The study of immunity

immunology

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a highly developed state of resistance of the body in response to a specific infection or disease.

immunity

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the absence or suppression of factors responsible for development of immunity.

Susceptibility

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Characteristics of Antigen

very specific; true. A true antibody is a substance produced by the body and has bivalent receptor sites (two ends) and only formed in response to antigens. A true antibody will have bivalent receptor sites; if incomplete, (only one end) an allergic reaction can occur

23

kinds of immunity

Natural (innate) immunity
Acquired immunity

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type of immunity that is inborn (at conception, not birth)

natural (innate) immunity

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three types of natural (innate) immunity

racial
species
individual- interferon

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A type of natural immunity where a particular race is predisposed to a disease

racial immunity

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Red Blood Cells are not round but look like a sickle, absence or lack blood

sickle cell anemia

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distemper non-human disease

species

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obtained immunity through the natural life process (not born with)

acquired immunity

30

type of immunity- natural life process. The body was actively involved in producing antibodies.

naturally acquired immunity