Viruses Fungi And Parasites: Health Risks And Transmission Pathways

The video tutorial covers various infectious agents including viruses, fungi, and parasites. It explains how viruses spread and cause diseases, with a focus on dengue fever transmitted by mosquitoes. Fungal infections are discussed, highlighting their impact on skin and prevention methods. The video also covers parasites like protozoa causing malaria, and worms such as tapeworms and hookworms, emphasizing the importance of hygiene and cleanliness to prevent infections.

What is a common way viruses spread from one person to another?

• Through direct contact with blood

• Via droplets in the air from coughs or sneezes

• Through insect bites

• By eating contaminated food

What is the primary vector for transmitting dengue fever?

• Anopheles mosquito

• Culex mosquito

• Aedes aegypti mosquito

• Sandfly

Which part of the mosquito does the dengue virus infect after 8-10 days?

• The legs

• The salivary glands

• The antennae

• The wings

What type of infections are most commonly caused by fungi?

• Blood infections

• Skin and stomach infections

• Respiratory infections

• Neurological infections

Where are you likely to find fungi growing in your home?

• In well-lit areas

• In damp spots

• On dry surfaces

• On metal surfaces

What organism causes malaria?

• Fungus

• Bacteria

• Virus

• Protozoa

How do protozoan parasites like those causing malaria primarily spread?

• Through airborne transmission

• By direct contact with infected individuals

• Via infected mosquito bites

• Through contaminated water

What is a common effect of hookworm infestation in humans?

• Respiratory issues

• Malnutrition

• Skin rashes

• Headaches

Which of the following is NOT a common parasite that affects humans?

• Butterflies

• Fleas

• Ticks

• Lice

What is a key method to prevent parasite infestations in your home?

• Keeping your home clean and tidy

• Using air fresheners

• Avoiding outdoor activities

• Using bright lights