IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

IMMUNITY INNATE AND ADAPTIVE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Bacteria can harm your body and cause disease by ____
A
destroying cells and capturing toxins
B
damaging tissue and releasing toxins
C
damaging organs and ingesting cells
D
causing fungus and viruses to grow
Explanation: 

Detailed explanation-1: -But infectious bacteria can make you ill. They reproduce quickly in your body. Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E.

Detailed explanation-2: -The pathogenic bacteria that produce exotoxins mainly include Clostridium tetani, Clostridium botulinum, Clostridium perfringens, Corynebacterium diphtheriae, Group A streptococcus, Staphylococcus aureus, Shigella dysenteriae, Yersinia pestis, Vibrio cholerae, Pseudomonas aeruginosa, etc.

Detailed explanation-3: -Many disease-causing bacteria produce toxins-powerful chemicals that damage cells and make you ill. Other bacteria can directly invade and damage tissues. Some infections caused by bacteria include: Strep throat.

Detailed explanation-4: -Bacterial toxins are virulence factors that manipulate host cell functions and take over the control of vital processes of living organisms to favor microbial infection. Some toxins directly target innate immune cells, thereby annihilating a major branch of the host immune response.

Detailed explanation-5: -Bacterial toxins damage the host at the site of bacterial infection or distanced from the site of infections. Bacterial toxins can be single proteins or organized as oligomeric protein complexes and are organized with distinct AB structure-function properties.

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