quiz 27 Flashcards
Give 2 ways to prevent the spread of HIV
use condoms,do not share needles and avoid sexual intercourse
How is HIV spread?
sexual contact or exchange of bodily fluids
Give 2 ways to prevent the spread of HIV
Use condoms, do not share needles and avoid sexual intercourse
What kind of pathogen causes measles?
Virus
How is the measles virus spread?
Inhalation of cough droplets
Why do plants with tobacco mosaic virus grow less?
Discoloured leaves means less photosynthesis, so less glucose produced,so less respiration, so less energy released is released for growth
How does HIV lead to AIDS?
When the bodies immune system becomes so badly damaged it can no longer deal with other infections or cancers
What kind of pathogen cause HIV?
Virus
What are the symptoms of tobacco mosaic virus?
Leaves are discoloured, plant has reduced growth
What does inhalation mean?
Breathing in
How is tobacco mosaic virus spread?
Contact between plants
What type of organism does tobacco mosaic virus affect?
Plants
Give 2 ways to prevent the spread of measles
Vaccinate young children, isolate patients and wear masks
What are the symptoms of measles?
Fever and red skin rash
What are the early symptoms of HIV infection?
HIV initially causes a flu-like illness
