Question 1:
Correct answer: option c
Rational:
Skin is a effective barrier by skin surface continously regenerate it helps to prevent infections, PH of the skin is around 5.5 its acidic, skin has seat glands it has high salt content it help to prevent infections, sebum inhibits most of micro organisms.
So option c is correct.
Question 2:
Correct answer: propionibacterium.
Rational:
This propionibacterium usually presents in the human skin. Its gram positive normal bacteria flora of skin. Other options are incorrect.
Question 3:
Correct answer : propionibacterium.
Rational:
Propionibacterium can cause the acne. Other options are incorrect.
Question 4:
Correct answer:a
Rational:
Staphylococcus is not normally present in human skin. Staphylococcus is present only with infectious diseases like impetigo, osteomyelitis, abscess etc.
So option a is correct answer.
As HOMEWORKLIB RULES protocol, I had answered first 4 questions.
I The skin is an e wuh ace tells contisually fall off making difficalt for parhopens...