Topic content:
A man suffered from repeated cough, chest tightness and low fever, and was confirmed by hospital tests to have H7N9 avian influenza virus in his body
(1) From the perspective of infectious disease, H7N9 avian influenza virus belongs to ______
(2) When he was ill, his temperature was higher than the normal value, but his nervous system was still trying to regulate and control his temperature. The basic way of neural regulation was ______
(3) When a new infectious disease occurs, researchers often make efforts to develop targeted vaccines, hoping to prevent it through vaccination. This kind of immunization is called ______ immunization
Best answer:
(1) Infectious diseases refer to diseases caused by external pathogens that can spread between people or between people and animals. Bacteria, viruses, parasites and other organisms that cause infectious diseases are called pathogens. H7N9 avian influenza is a respiratory infectious disease caused by the pathogen H7N9 avian influenza virus
(2) The basic mode of neural regulation is reflex, which refers to the regular response of the human body to various external or internal stimuli through the nervous system
(3) The immunity generated after birth that only works on a specific pathogen or foreign body is specific immunity. The immunity obtained by injecting vaccine only works on the corresponding pathogen and belongs to specific immunity
So the answer is:
(1) Pathogen;
(2) Reflection;
(3) Specificity (or artificial)
Answer analysis:
There is no explanation for this question
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.