WBC's
also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, viruses, and germs
... [Show More] that invade the body.
Five major types of white blood cells
monocytes, neutrophils, basophils, eosinophils, and lymphocytes
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01:22
Cancer identified by the presence of Reed-Sternberg cells is called
Hodgkin's
During the period of inflammation the capillary walls become more permeable, WBC'S get to the site of the infection
True
What are chemical messengers secreted by cells of the immune system that direct immune cellular interactions?
Cytokines
All blood cells originate from a single type of cell called a
Stem Cell
Type of WBC that engulf and eat dead bacteria, viruses and cellular debris
macrophages
Phagocytes eat bacteria, viruses, and debris
True
Myasthenia gravis, psoriasis, and rheumatoid arthritis are examples of:
Autoimmune Disease
The Term Pyrexia refers to fever
True
A test for hypersensitivity is a (n):
Allergy Test
Hypersensitivity such as food allergies and bee sting allergies are called
Immediate Hypersensitivity
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01:22
In response to an allergen, the immune cells will release histamines and other inflammatory substances.
True
Acquired immunity is either active or passive
True
A lymph node is the same as lymph gland
True
The immune system is responsible for defending the body against disease
True
Patient should continue to take their allergy medicines prior to undergoing allergen skin testing.
False
Natural active immunity is short-term immunity
False
The disease caused by HIV and transmitted through body fluids via sexual contact or intravenous exposure is:
AIDS
An RBC is an example of an immunoglobulin
False
An induration of _____ or more millimeters is considered positive in any person, including persons with no known risk factors for TB.
10 or more
The thymus activate B lymphocytes
False
A hypersensitivity is the same as an allergy
True
A protein produced by the body in reaction to a perceived foreign substance in a(n):
Antibody
Hypersensitivity that appears 24-48 hours after exposure to an antigen is called
Delayed Hypersensitivity
delayed hypersensitivity
T cell-mediated inflammatory reaction that takes 24-72 hours to reach maximal intensity
An example of nonspecific immunity is vaccination
False [Show Less]