NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Blood agar medium is
A
Selective medium
B
Differential medium
C
Selective differential medium
D
All the above
Explanation: 

Detailed explanation-1: -Blood Agar (BA) is an enriched medium used for the cultivation of bacteria or microorganisms that do not grow easily. These bacteria are called “fastidious” because they require a special, enriched nutritional environment compared to common bacteria.

Detailed explanation-2: -Blood Agar Plates (BAP) It is a rich, complex medium that contains 5% sheep red blood cells. BAP tests the ability of an organism to produce hemolysins, enzymes that damage/lyse red blood cells (erythrocytes).

Detailed explanation-3: -Chocolate agar. Chocolate agar is a type of blood agar plate in which the blood cells have been lysed by heating the cells to 80 °C. Horse blood agar. Horse blood agar is a type of blood-enriched microbiological culture media. Thayer–Martin agar. Thiosulfate–citrate–bile salts–sucrose agar.

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