Nats 1670 Questions and Answers 2023;Accurate 100%
what ilness caused 3rd world countries life expectancies to decrease?
AIDS
Common illness in 3rd world countries
HIV
Tubercolisis
Maleria
What is the primary function of microbes
to break everything down
What vitmain do microbes create
Vitamin K
what percentage of infected people does ebola kill?
90%
What influenza kill more people than the war?
Spanish influenza
what percentgae people died from infection in 19th century compared to 20th century
19th centure - 60%
20th centurey - 6%
what are the 3 reaosns infectious diseas will never leave
1) drug resistant strain
2) outbreaks of existing disease
4) new disease causing agents
who uses the most amount of antibiotcs?
80% of it is used by farmers
an example of superbug?
tuberculosis
What is cross resistance?
Can occur between antibactrial drugs that have similar actions (penicilin and
cephalosporins)
What features are part of CDC catgory A for bioterrsism agent
- Easily disseminated transmitted
- high mortality
- Public panic and social disruption
- cost of coping iwht bioterrorism
What is the cell theory?
All living things are composed of cells
light microscope
An optical instrument with lenses that refract (bend) visible light to magnify images of
specimens.
electron microscope
microscope that forms an image by focusing beams of electrons onto a specimen
Is the head of a phospholipid hydrophilic or hydrophobic?
hydrophilic and polar
Is the tail of a phospholipid hydrophilic or hydrophobic?
Hydrophobic and non polar
what ilness caused 3rd world countries life expectancies to decrease?
AIDS
Common illness in 3rd world countries
HIV
Tubercolisis
Maleria
What is the primary function of microbes
to break everything down
What vitmain do microbes create
Vitamin K
what percentage of infected people does ebola kill?
90%
What influenza kill more people than the war?
Spanish influenza
what percentgae people died from infection in 19th century compared to 20th century
19th centure - 60%
20th centurey - 6%
what are the 3 reaosns infectious diseas will never leave
1) drug resistant strain
2) outbreaks of existing disease
4) new disease causing agents
who uses the most amount of antibiotcs?
80% of it is used by farmers
an example of superbug?
tuberculosis
What is cross resistance?
Can occur between antibactrial drugs that have similar actions (penicilin and
cephalosporins)
What features are part of CDC catgory A for bioterrsism agent
- Easily disseminated transmitted
- high mortality
- Public panic and social disruption
- cost of coping iwht bioterrorism
What is the cell theory?
All living things are composed of cells
light microscope
An optical instrument with lenses that refract (bend) visible light to magnify images of
specimens.
electron microscope
microscope that forms an image by focusing beams of electrons onto a specimen
Is the head of a phospholipid hydrophilic or hydrophobic?
hydrophilic and polar
Is the tail of a phospholipid hydrophilic or hydrophobic?
Hydrophobic and non polar
