________ Active transport is a method by which cells may get nourishment and eliminate wastes
Indicate whether the statement is true or false
True
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Which of the following best explains the cause of the histamine and heparin release in response to exposure to an antigen?
A) Humoral cells have initiated a chemical attack on the antigens. B) IgE antibodies have attached themselves to the membranes of basophils and mast cells, resulting in degranulation. C) IgG and IgM antibodies have activated basophils and mast cells, resulting in degranulation. D) IgE antibodies have activated the membranes of B and T cells, resulting in release of histamine and heparin.
Which of the following organizations does NOT investigate or collect data on firefighter deaths?
A) National Fire Protection Association (NFPA) B) International Fire Service Instructors Association C) United States Fire Administration (USFA) D) National Institute for Occupational Safety and Health (NIOSH)
The office supervisor signs a lease for the office copier and fax machine. The lease is an example of a(n) ________ contract.
Fill in the blank(s) with the appropriate word(s).
Measurement is usually thought of as ________.
A. a synonym for testing B. quantitative C. qualitative D. statistical