Nats 1670 Exam Questions with 100% Correct
Answers | Latest Version 2024 | Verified
what illness caused 3rd world countries life expectancies to decrease? - ✔✔AIDS
Common illness in 3rd world countries - ✔✔
HIV
Tuberculosis
Malaria
What is the primary function of microbes - ✔✔to break everything down
What vitamin 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 percentage people died from infection in 19th century compared to 20th century - ✔✔19th
century - 60%
20th century - 6%
what are the 3 reasons infectious disease will never leave - ✔✔
1) drug resistant strain
2) outbreaks of existing disease
4) new disease causing agents
who uses the most amount of antibiotics? - ✔✔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
signal transduction - ✔✔A series of molecular changes that converts a signal on a target cell's surface to
a specific response inside the cell.
How are mitochondria similar to bacterial cell - ✔✔1) double membrane
2) circular DNA
3) genes without introns
Answers | Latest Version 2024 | Verified
what illness caused 3rd world countries life expectancies to decrease? - ✔✔AIDS
Common illness in 3rd world countries - ✔✔
HIV
Tuberculosis
Malaria
What is the primary function of microbes - ✔✔to break everything down
What vitamin 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 percentage people died from infection in 19th century compared to 20th century - ✔✔19th
century - 60%
20th century - 6%
what are the 3 reasons infectious disease will never leave - ✔✔
1) drug resistant strain
2) outbreaks of existing disease
4) new disease causing agents
who uses the most amount of antibiotics? - ✔✔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
signal transduction - ✔✔A series of molecular changes that converts a signal on a target cell's surface to
a specific response inside the cell.
How are mitochondria similar to bacterial cell - ✔✔1) double membrane
2) circular DNA
3) genes without introns
