Antibiotic drugs are used to treat pneumococcal pneumonia because it is caused by a ________.
A. virus
B. fungus
C. bacterium
D. dust particle
Answer:C
Antibiotic drugs are used to treat pneumococcal pneumonia because it is caused by a ________.
A. virus B. fungus C. bacterium D. dust particle
Explanation: A) Antibiotic drugs are effective only against bacterial infections.