Topic content:
From April to May 2009, influenza A (H1N1) broke out in Mexico, the United States, Japan and other countries. Research shows that the disease is a respiratory infectious disease caused by influenza A (H1N1) virus. The following statement is wrong ().
A. Influenza A (H1N1) virus invading human body can be called antigen
B. The medical isolation treatment of patients is to control the source of infection
C. Wash hands in time after contacting public goods. This behavior can only prevent digestive tract infectious diseases, but is not effective in preventing respiratory infectious diseases such as influenza
D. Influenza A (H1N1) is infectious, epidemic and immune
Best answer:
C
Answer analysis:
A、 Influenza A (HIN1) virus invading human body can be called antigen, which will stimulate lymphocytes in human body to produce antibodies against influenza virus. B. Medical isolation treatment for patients, which is to control the source of infection, and the measures taken against the source of infection are to control the source of infection. D. Influenza A (HIN1) is an infectious disease with infectious and epidemic characteristics, so A B. D is not consistent with the question.
C、 The hand may become the carrier of pathogens, so as to reach healthy people through hand and wash hands. This behavior belongs to cutting off the transmission route, which can prevent digestive tract infectious diseases, and also can prevent respiratory infectious diseases such as influenza, which is in line with the topic.
Comment: This is a basic question with ordinary difficulty. The key to solving this question is to clarify the measures to prevent infectious diseases and the three links of infectious disease prevalence.
Test core:
Infectious disease: a disease caused by a pathogen that can spread between people or between people and animals is called infectious disease. Pathogens include viruses, bacteria, fungi, parasites, etc. Infectious diseases are infectious and epidemic.