Directions: Read each question carefully. Choose the letter of the correct answer.
1. This is a disease that destroys nerve connections in the brain causing gradual
permanent memory loss.
a. Alzheimer's disease
c. Parkinson's disease
d. Pick's disease
b. Huntington's disease
2. What do we call the branch of science that focuses with the causes and effects of
various diseases and serves as bridge for medicine to develop possible treatment?
a. Cytology
c. Hematology
b. Immunology
d. Pathology
3. Which of the following is the most challenging issue facing vaccination?
a. the stability of the vaccine
b. the availability of the vaccine
c. the costs of vaccine production
d. the ethics and safety of using information in the testing of the vaccine
4. Which is not a benefit of genetically modified crops?
a. tastier food
c. can prolong shelf life
b. more nutritious food
d. can cause an allergic reaction
5. When was penicillin discovered?
a. 1925
c. 1930
b. 1928
d. 1938