WGU OA D311 PRACTICE EXAM QUESTIONS
AND DETAILED SOLUTIONS 2026
▶ Pasteurization. Answer: The application of a high heat for a short time to
sterilize and kill of the microorganisms.
▶ How was the first vaccination discovered?. Answer: In 1796, Edward
Jenner inoculated a person with cowpox virus, who was then protected
from small pox.
▶ Where does the word "Vaccination" come from?. Answer: It is derived
from "vacca," which means "cow"
▶ What is protection against disease called?. Answer: Immunity
▶ Chemotherapy. Answer: Treatment with chemicals
▶ Synthetic Drugs. Answer: Another name for antibiotics, they are
chemotherapeutic agents used to treat infectious disease
▶ Antibiotic. Answer: Chemicals produced by bacteria and fungi that inhibit
or kill other microbes
, ▶ Who discovered the first antibiotic?. Answer: Alexander Fleming
observed that Penicillium fungus made an antibiotic, penicillin, that killed
S.aureus
▶ Bacteriology. Answer: The study of bacteria
▶ Mycology. Answer: Study of Fungi
▶ Virology. Answer: The study of viruses
▶ Parasitology. Answer: The study of protozoa and parasitic worms
▶ Immunology. Answer: The study of immunity
▶ What did Rebecca Lancefield propose in 1933?. Answer: That the use
of immunology to identify some bacteria according to serotypes, also
known as specific grains.
▶ Microbial Genetics. Answer: The study of how microbes inherit traits
▶ Molecular biology. Answer: The study of how DNA directs protein
synthesis
▶ Genomics. Answer: The study of an organism's genes; has provided
new tools for classifying microorganisms and link specific strains
AND DETAILED SOLUTIONS 2026
▶ Pasteurization. Answer: The application of a high heat for a short time to
sterilize and kill of the microorganisms.
▶ How was the first vaccination discovered?. Answer: In 1796, Edward
Jenner inoculated a person with cowpox virus, who was then protected
from small pox.
▶ Where does the word "Vaccination" come from?. Answer: It is derived
from "vacca," which means "cow"
▶ What is protection against disease called?. Answer: Immunity
▶ Chemotherapy. Answer: Treatment with chemicals
▶ Synthetic Drugs. Answer: Another name for antibiotics, they are
chemotherapeutic agents used to treat infectious disease
▶ Antibiotic. Answer: Chemicals produced by bacteria and fungi that inhibit
or kill other microbes
, ▶ Who discovered the first antibiotic?. Answer: Alexander Fleming
observed that Penicillium fungus made an antibiotic, penicillin, that killed
S.aureus
▶ Bacteriology. Answer: The study of bacteria
▶ Mycology. Answer: Study of Fungi
▶ Virology. Answer: The study of viruses
▶ Parasitology. Answer: The study of protozoa and parasitic worms
▶ Immunology. Answer: The study of immunity
▶ What did Rebecca Lancefield propose in 1933?. Answer: That the use
of immunology to identify some bacteria according to serotypes, also
known as specific grains.
▶ Microbial Genetics. Answer: The study of how microbes inherit traits
▶ Molecular biology. Answer: The study of how DNA directs protein
synthesis
▶ Genomics. Answer: The study of an organism's genes; has provided
new tools for classifying microorganisms and link specific strains
