Which type of barrier are coughing and sneezing?

Students were asked over to answer a question at schools and to state what is most important for them to succeed. From the numerous replies, one that that stood out was practice. Successful people are not born successful; they become successful with hard work and commitment. This is how you can get your goals. following some question and answer examples that you could certainly utilize to upgrade your knowledge and gain insight that will guide you to keep up your school studies.


Which type of barrier are coughing and sneezing?

a. mechanical
b. chemical
c. biological
d. physical



The correct answer is d. physical


Physical barrier provides the first line of defense to our body. They do not allow microbes to invade into our body. These include skin and mucous membrane. Skin does not allow the microorganism to penetrate into the blood, Skin secretes acidic sweat and other secretions that contain hydrolytic enzymes that do not allow microbes to grow.

Coughing and sneezing are also the part of physical barrier because through coughing and sneezing the microbes are thrown out of the body by physical process. Cough includes many mucus entrapped bacteria in it. Therefore the right answer is d. physical.

From the answer and question examples above, hopefully, they are able to help the student sort out the question they had been looking for and take note of all the things stated in the answer above. You will possibly then have a discussion with your classmate and continue the school learning by studying the problem together.

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