7) The normal habitat of Staphylococcus aureus may be: a)Unary tract b) Stomach

Question

7) The normal habitat of Staphylococcus aureus may be: a)Unary tract b) Stomach ) Healthy tissues d)Nose, twoat, and skin c) Scahp ) Clostridiom perfringens may be found as a part of the normal flora in: a) Mouth Intestines Lungs d) Urinary tract t) wounds 9) A disease consiantly present in a loxality is ssid to be aEndenic b) Epidemic c) Pandemic d) Sporadic c) Reservoir 10) Foreign substances that induce a specific immune rerponse ater gaining entrance to the body re teamed: )Antigens b) Antibodies c) Cytohsins Complement e) None of the above Essential properties of an antigen are: s) must be foreign to the host b)wust be degadable by the best chi mus be a large molecule and possess at least two different deierminant groups It must possess a threr-dimensional er tertiary structure 11) )All of the above

Explanation / Answer

Ans-7 nose,throat and skin

Found in skin/nasal passage and axillae of humans also found in Pharynx.

8-b-intestine

Clostridium perfringens cause gangrene and food poisoning.

9-A-endemic or enphytotic

This is constantly present in a locality but in assume severe form only on occasion.

10-antigen

A protein on a foreign object that stimulates the immune system to produce antibodies.

11-all of the above.

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