51. What disease is caused by the bacterium Clostridium tetani?
a) Tetanus
b) Diphtheria
c) Pertussis
d) Tuberculosis
52. What disease is characterized by the inflammation of the bronchi?
a) Bronchitis
b) Pneumonia
c) Tuberculosis
d) Emphysema
53. What disease is caused by the bacterium Clostridium botulinum?
a) Botulism
b) Tetanus
c) Diphtheria
d) Pertussis
54. What disease is characterized by the abnormal growth of cells in the colon?
a) Colorectal cancer
b) Pancreatic cancer
c) Lung cancer
d) Breast cancer
55. What disease is caused by the bacterium Streptococcus pneumoniae?
a) Pneumonia
b) Bronchitis
c) Tuberculosis
d) Emphysema