IMMUNOLOGY

MISCELLENOUS

VACCINATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Normal ora, are found on the skin, and in the mouth, nose, throat, lower part of the gastrointestinal tract and the urogenital tract in healthy individuals
A
Nasturtium tropaeolum
B
Chrysanthemums
C
Non-pathogenic bacteria
D
Pathogenic bacteria
Explanation: 

Detailed explanation-1: -Gastrointestinal Tract Flora In normal hosts the duodenal flora is sparse (0 to 103/g of contents). The ileum contains a moderately mixed flora (106 to 108/g of contents). The flora of the large bowel is dense (109 to 1011/g of contents) and is composed predominantly of anaerobes.

Detailed explanation-2: -Normal Flora of the Oral Cavity The presence of nutrients, epithelial debris, and secretions makes the mouth a favorable habitat for a great variety of bacteria. Oral bacteria include streptococci, lactobacilli, staphylococci and corynebacteria, with a great number of anaerobes, especially bacteroides.

Detailed explanation-3: -4. The normal basic throat flora includes Gram-negative cocci, non-hemolytic streptococci, and for certain individuals “large Gram-positive cocci, ‘’ B. influenzae, Bacillus “X, ‘’ and diphtheroids. Transient organisms are Staphylococcus albus, hemolytic streptococci, Staphylococcus aureus and citreus, and pneumococci.

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