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]
Which answer best describes how infectious diseases get transmitted (passed on)?
A
people can sneeze or cough and pass disease on through the air
B
drinking water can be contaminated with diseases
C
objects such as doorknobs and towels can be contaminated by disease
D
all of the above answers are ways that diseases are transmitted
Explanation: 

Detailed explanation-1: -Touching an infected person, or their body fluids such as saliva, blood, sweat, urine, etc. transfer the infections to a healthy person, e.g. chickenpox, measles, etc. Touching the objects or areas touched by an infected person can transfer the infection to a non-infected person and cause diseases.

Detailed explanation-2: -Infectious diseases spread from one infected person to a healthy person. They are spread by various agents such as water, food, vectors, etc. Water-borne diseases are spread by the consumption of contaminated water such as cholera.

Detailed explanation-3: -You can’t get noninfectious diseases from other people, by getting a bug bite or from your food. The flu, measles, HIV, strep throat, COVID-19 and salmonella are all examples of infectious diseases.

Detailed explanation-4: -Nose, mouth, or eyes to hands to others: Germs can spread to the hands by sneezing, coughing, or rubbing the eyes and then can be transferred to other family members or friends. Hands to food: Food to hands to food: Infected child to hands to other children: Animals to people: 04-Oct-2022

There is 1 question to complete.