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WorksheetsCh. 21 Infectious Diseases
Total questions: 27
Worksheet time: 27mins
Infectious diseases are caused by...
cilia.
pathogens.
antibiotics.
T cells.
Which statement about pathogens is NOT true?
Pathogens belong in your body.
Pathogens can cause infectious diseases.
Some animals are pathogens.
Once inside your body, pathogens may multiply.
How can you avoid getting an infectious disease from food?
Eat chicen and beef that are rare, or slightly cooked
Eat raw eggs on a regular basis.
Do not store foods in the refrigerator.
Keep hot foods hot.
The main food in which Salmonella bacteria live are...
bread, pasta, and cereal.
carrots, potatoes, and tomatoes.
nuts, beans, and berries.
poultry, eggs, and meat.
Lyme disease, rabies, and malaria are mostly spread by...
bites from animals, such as dogs and mosquitos.
contaminated foods, like chichen and beef.
contaminated objects, like doorknobs.
indirect contact with an infected person.
Which of the following does NOT cause infectious disease?
acids in the stomach
drinking water containing pathogens
indirect contact with an infected person
sharing a needle used to inject drugs
Many pathogens are kept out of the body by the...
immune system.
inflamation response.
lymphatic system.
skin.
Your body's first line of defense against infectious disease includes...
mucous membranes, saliva, and tears.
phagocytes, lymphocytes, and puss.
T cells, B cells, and antibodies.
the lymphatic system, immune system, and inflamation response.
The body's second line of defense against pathogens is...
a vaccine.
immunity.
inflamation.
the skin.
Whithin seconds after your body is injured, the damaged cells...
begin producing powerful acids that dissolve and destroy pathogens.
destroy one another until no damaged cells remain.
release chemicals that cause blood vessels in the injured area to enlarge.
shrink until they become so small that pathogens can no longer enter.
The body's third and most sophisticated line of defense against pathogens is...
a vaccinnation.
inflamation.
the immune system.
the skin.
Which of the following diseases is caused by bacteria?
influenza
hepatitis
the common cold
tuberculosis
Which of the following diseases is caused by viruses?
influenza
Lyme disease
strep throat
tuberculosis
Organisms that are so small they can only be seen through a microscope are called antibodies.
True
False
Infectious diseases are also known as communicable diseases.
True
False
When an epidemic affects many areas of the world, as the 1918 flu outbreak did, it is sometimes called a pandemic.
True
False
Microorganisms that cause disease are called toxins.
True
Pathogens
Inflamation
Vaccination
Pus
The openings in your body, such as your mouth, eyes, and nose, are covered by protective linings called mucous membranes.
True
Pathogens
Inflamation
Vaccination
Pus
Your air passages are lined with cilia, tiny hair-like structures that help trap and remove pathogens.
True
Pathogens
Inflamation
Vaccination
Pus
The fluids, phagocytes, and dead cells that accumulate near an injury site often result in the formation of a thick, white liquid called lymph.
True
Pathogens
Inflamation
Vaccination
Pus
Your body's general response to all kinds of injury, from cuts and scrapes to internal damage, is called immunity.
True
Pathogens
Inflamation
Vaccination
Pus
White blood cells that destroy pathogens by engulfing and then digesting them are called phagocytes.
True
Pathogens
Inflamation
Vaccination
Pus
Antibodies are produced by B cells.
True
Pathogens
Inflamation
Vaccination
Pus
The interjections given to babies to protect them from infectious diseases, such as measles, mumps, and rubella, are called antibiotics.
True
Bacterial
Antibiotic
Vaccination
Pus
Immunity acquired by receiving antibodies from a source other than one's own immune system is called passive immunity.
True
Bacterial
Antibiotic
Vaccination
Pus
If your doctor determines that you have a viral disease, he or she may treat your infection with an antibiotic.
True
Bacterial
Antibiotic
Vaccination
Pus
A perscription drug that inhibits or killes bacteria is called a(n) vaccine.
True
Bacterial
Antibiotic
Vaccination
Pus
