IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

THE GOOD BAD AND UGLY OF THE IMMUNE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a virus?
A
A infectious disease that attacks the body
B
A cancer cell that can kill you
C
A infectious cell that heals the body
D
A cell that reverses red blood cell growth
Explanation: 

Detailed explanation-1: -Viruses are very tiny germs. They are made of genetic material inside of a protein coating. Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19. Viruses are like hijackers.

Detailed explanation-2: -Cytotoxic T lymphocytes, natural killer (NK) cells and antiviral macrophages can recognize and kill virus-infected cells. Helper T cells can recognize virus-infected cells and produce a number of important cytokines.

Detailed explanation-3: -Infectious diseases are disorders caused by organisms-such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They’re normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person.

Detailed explanation-4: -Communicable diseases, also known as infectious diseases or transmissible diseases, are illnesses that result from the infection, presence and growth of pathogenic (capable of causing disease) biologic agents in an individual human or other animal host.

Detailed explanation-5: -Chickenpox. COVID-19. Diphtheria, tetanus and pertussis (whooping cough). Hepatitis A. Hepatitis B. Human papillomavirus (HPV). Influenza. Malaria. More items •06-Jun-2022

Detailed explanation-6: -Common cold. Norovirus. Stomach flu. Hepatitis. 18-Jun-2020

Detailed explanation-7: -Campylobacter Infection. Hepatitis A. Hepatitis B. Hepatitis C. Novel Coronavirus (COVID-19) Influenza (Flu) Measles. Meningococcal Disease. More items

There is 1 question to complete.