Understanding the Germ Theory of Diseases

Who first suggested that diseases are caused by invisible living organisms transmitted from one person to another?

• Girolamo Fracastoro

• Marcus von Plancies

• Louis Pasteur

• Robert Koch

What did Marcus von Plancies contribute to the germ theory?

• Proposed the theory of evolution

• Discovered the structure of DNA

• Stated that living germs are causative agents of diseases

• Developed vaccines

Which practice did Ignaz Philip Semmelweis introduce to reduce infections in childbirth?

• Use of surgical masks

• Use of antiseptics for hand disinfection

• Blood transfusions

• Quarantine measures

What disease did Oliver Wendell Holmes associate with germ transmission during childbirth?

• Puerperal fever

• Cholera

• Tuberculosis

• Smallpox

Which disease did Louis Pasteur work on that affected the silk industry in France?

• Pepperine disease

• Bubonic plague

• Anthrax

• Tuberculosis

What are Koch's postulates intended to prove?

• The effectiveness of vaccines

• The genetic basis of diseases

• That bacteria are the causative agents of diseases

• The structure of viruses

Which of the following is NOT a limitation of Koch's postulates as mentioned in the text?

• They can be applied to all infectious diseases

• They do not explain viral infections

• They fail to account for asymptomatic carriers

• They do not explain prion diseases

Who was referred to as the 'savior of mothers' for his work in obstetrics?

• Joseph Lister

• Ignaz Philip Semmelweis

• Robert Koch

• Louis Pasteur