Chapter 12 Health
Infectious diseases, also called _ are caused by pathogens that can be transmitted from one living thing to another
Communicable diseases
Evidence of a disease that is not easily observed and measured is called objective evidence
False
Evidence of a disease that is observable and measurable is called subjective evidence
False
In the convalescent stage, signs and symptoms of an illness gradually worsen
False
Which of the following is the plural form of fungus?
Fungi
A substance that targets and destroys pathogenic bacteria
Antibiotic
The ability of some strains of bacteria to "fight back" against antibiotics
Antibiotic resistance
An infection that naturally occurs at low levels in a particular area
Endemic
An infection that occurs in unexpectedly large numbers over a particular area
Epidemic
Bacteria, viruses, fungi, and phagocytes are examples of pathogens
False
Microorganisms that cause disease are known as _
Germ theory
Simple actions taken to prevent the spread of communicable diseases
Hand washing
A process by which a persons immune system becomes active, rendering the body immune from disease
Immunization
A strain of S. aureus that is highly resistant to antibiotic control
MRSA
Which of the following is true about viruses?
Viruses do not grow or reproduce independently, viruses have no metabolism, and viruses do not use energy in the way that other cells do
Infectious diseases are caused by _ living in or on humans, animals, or plants.
Microorganisms
Parasitic worms are _ organisms with specialized tissues and organs.
Multicellular
Disease not caused by pathogens are called _ diseases
Noncommunicable
Mycosis which usually attacks damaged tissues or people weakened by other infections is described as a(n) _
Opportunistic infection
An infection that impacts an enormous number of people as it spreads from one country to much of the world
Pandemic
A good sanitation practice in which pathogens are destroyed by heating foods and beverages to certain temperatures and then quickly cooling them
Pasteurization
A simple practice that is universally acknowledged to be the most important method of preventing many infectious diseases
Respiratory etiquette
_ are evidence of disease that can be outwardly observed or measured
Signs
Which of the following is not an example of fungus?
Streptococcus pyogenes
_ are evidence of disease sensed by a sick person; they are subjective and cannot be easily seen or measured by other people.
Symptoms
Bacterial cells make up 90% of cells in the human body.
True
During the clinical stage, a pathogen produces toxins and the immune response reaches its height, causing familiar signs of illness
True
Escherichia coli is a bacterium that resides in animal and human insta stones causes food poisoning.
True
Most bacteria are not harmful to the body
True
The incubation period is the time between a pathogen's entrance into the body and the first appearance of symptoms
True
A dead pathogen or a nontoxic component of a pathogen, that is injected into the body, where it stimulates production of white blood cells, proteins, and chemicals to provide immunity against disease
Vaccine
An organism that transmits disease from one living thing to another; examples include flies, mosquitoes, ticks, and fleas
Vector
An infectious disease that is transmitted from animals to humans
Zoonosis
