B3- Viral, Fungal And Protist Disease Flashcards
What is a viral disease caused by a virus spread by droplets?
Measles
Measles can be very serious and even fatal if complications arise.
What symptoms do people develop when infected with measles?
Skin rash and fever
Measles can lead to pneumonia or encephalitis.
What is the vaccination status for measles?
Most people are vaccinated against measles when they’re young
Vaccination is crucial to prevent outbreaks.
How is HIV primarily transmitted?
Sexual contact or exchanging bodily fluids
This includes sharing needles among drug users.
What are the initial symptoms of HIV?
Flu-like symptoms for a few weeks
After the initial phase, symptoms may not appear for years.
What type of drugs can control HIV?
Antiretroviral drugs
These drugs prevent the virus from replicating.
What does late-stage HIV infection refer to?
AIDS
At this stage, the immune system is severely compromised.
What is the tobacco mosaic virus (TMV) known to affect?
Many species of plants, including tomatoes
TMV causes a characteristic mosaic pattern on leaves.
What effect does the tobacco mosaic virus have on plants?
Discoloration of leaves, affecting photosynthesis
This leads to reduced growth and vitality of the plant.
What fungal disease affects rose plants?
Rose black spot
It causes purple or black spots on leaves, leading to yellowing and dropping.
How does rose black spot spread?
Through the environment in water or by wind
Effective management includes the use of fungicides.
What is the disease caused by a protist that causes fever?
Malaria
Malaria can be fatal and is transmitted by mosquito bites.
What role do mosquitoes play in the life cycle of the malarial protist?
They are vectors that transmit the protist
Mosquitoes pick up the protist when feeding on infected animals.
What protective measures can reduce the spread of malaria?
Stopping mosquito breeding and using insecticides and mosquito nets
These measures are crucial for malaria prevention.
Fill in the blank: The virus that affects the immune system is known as _______.
HIV
