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Infectious Diseases
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Q.1
Vaccines work by...
killing pathogens that are already infecting a host
helping antibodies build immunity against a specific pathogen
causing the body to expel pathogens faster than normal
preventing a specific pathogen from entering the body
Q.2
Strep throat is caused by
A bacterium.
A virus.
A fungi.
A protist.
Q.3
Fevers result from ____________ releasing substances that cause the body’s thermostat to reset to a higher temperature
Histamines
Complement Proteins
Macrophages
B Cells
Q.4
Which of these is MOST likely to be spread when two people drink from the same water bottle?
asthma
malaria
strep throat
hay fever
Q.5
Which is MOST likely a direct cause of an ear infection?
loud noises
foreign bacteria
wearing tight hats
dirty ear canals
Q.6
The symptoms of strep throat infection are a red and swollen throat. What is the MOST likely cause of strep throat?
eating raw vegetables
drinking lemonade
invading bacteria
running in cold weather
Q.7
Tooth decay is an infection that causes deterioration of the protective enamel on teeth, resulting in damage. Tooth decay is MOST likely caused by
bacteria.
acidic food.
allergies.
genetic defects.
Q.8
Twentieth-century research by such scientists as Jonas Salk on the use of vaccines has reduced the number of people who are infected with
polio.
stroke.
diabetes.
tuberculosis.
Q.9
Malaria is a common disease in many countries. What is the cause of this disease?
a virus
a bacterium
a fungus
a parasite
Q.10
Health department officials are trying to identify the source of an outbreak of an intestinal virus. Which is the most likely source of the virus?
polluted air
lack of exercise
contaminated water
poor nutritional habits
Q.11
Which pair correctly matches a vector and the infectious disease it carries?
human – influenza
opossum – rabies
mosquito – malaria
flea – Lyme disease
Q.12
The bacteria that causes bubonic plague is transmitted to humans by fleas. Which term best describes the role of the fleas in transmitting bubonic plague?
decomposer
parasite
pathogen
vector
Q.13
Which is the most effective defense against the chicken pox virus?
antibiotics
diet
exercise
vaccine
Q.14
Under which condition is a person most likely to contract E. coli poisoning?
eating burned food
drinking bottled water
eating undercooked beef
eating undercooked vegetables
Q.15
Chicken pox is an extremely contagious disease. Which organ is most frequently affected by chicken pox?
brain
intestines
lungs
skin
Q.16
Humans with HIV can transmit the HIV virus to other humans even though they do not show the symptoms of the disease. Which term best describes the unaffected individual?
carrier
contagion
mutagen
vector
Q.17
A cholera outbreak in thewas spread by polluted drinking water. Which best describes the cause?
industrial waste
pesticides
sewage
raw meat
Q.18
A tapeworm lives in the intestines of its host. Which examplebest describes the relationship between the tapeworm and its host?
The tapeworm benefits from its host; however, the host is not affected.
The tapeworm does not benefit from its host, but the host does benefit.
The tapeworm benefits from its host, and the host is negatively affected.
Q.19
Which is the best method for preventing a parasitic disease?
vaccination
wearing a mask
limiting physical contact with others
avoiding contaminated food and water
Q.20
Which best describes how athlete’s foot is spread to other individuals?
inhaling fungal spores in the air
eating food contaminated with fungus
having contact with fungus on a shower floor
swimming in a lake that has a large amount of algae
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