Plz help with these medical questions? need it asap practice questions 4 exams please help?

. An agent that causes a disease is called a(n)

A cholera. B copepod.

C epidemic. D pathogen.

2. Filtering contaminated water through a sari is

A an ineffective way to reduce cases of cholera.

B the best way to prevent the spread of cholera.

C a low-tech solution to reducing cases of cholera.

D another factor that causes cholera to spread rapidly.

3. All of the following should be researched in studying the epidemiology of waterborne diseases except the

A genomes of the pathogens.

B habitat of pathogens.

C food chain of the pathogens.

D environmental factors that affect pathogens.

4. All the genetic material contained in an individual or a species is called its

A epidemiology. B genome.

C DNA fingerprint. D genetic code.

5. One of the most important tools in preventing the spread of disease is

A computer modeling. B DNA fingerprinting.

C genetic engineering. D giving vaccinations.

6. computer modeling : epidemiology ::

A genetics : DNA fingerprinting

B cloning : biotechnology

C genome : vaccination

D human health : disease prevention

7. Which of the following terms is used to refer to a piece of equipment made for a specific use?

A process B cure

C device D treatment

8. Which of the following is least likely to help humans live longer?

A epidemiology B medicine