Question: Silver impregnation method of staining is useful to demonstrate_____________?

• 1. Bacterial flagella
• 2. Spirochetes
• 3. Both of the above
• 4. None of the above

Question: Gram -ve bacteria stain during gram staining____________?

• 1. Blue color
• 2. Red color
• 3. Green
• 4. Colorless

Question: The most common site where organisms are present in a typhoid carrier is______________?

• 1. Spleen
• 2. Gall Bladder
• 3. Liver
• 4. Salivary gland

Question: Diphtheria is pathogenic only when infected with______________?

• 1. Beta phage
• 2. Alfa phage
• 3. Lambda K12
• 4. Delta Phage

Question: Which of the following is an acid-fast bacillus_____________?

• 1. Mycobacterium bacilli
• 2. Treponema pallidum
• 3. Neisseria gonorrhea
• 4. All of the above

Question: Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?

• 1. Diphtheria
• 2. Typhoid fever
• 3. Rheumatic fever
• 4. Syphilis

Question: Causative agents of Vincent’s angina_____________?

• 1. Borrelia vincenti and fusobacterium fusiformis
• 2. Borrelia recurrents and bateroides
• 3. Borrelia burgoloferi and lactobacillus
• 4. Leptospira and Treponema pallidum

Question: A protoplast is best characterized as a bacterial cell______________?

• 1. with a cell wall but free of a capsule
• 2. containing a cell wall and a capsule
• 3. Free of a cell wall and a capsule
• 4. Uniquely sensitive to penicillin

Question: Which regards to temperature requirement, most pathogenic bacteria are_____________?

• 1. Psychrophiles
• 2. Mesophiles
• 3. Cryophiles
• 4. Thermophiles

Question: One of the following is an agglutination test in the diagnosis of typhoid___________?

• 1. Widal test
• 2. Eleks test
• 3. Mantoux test
• 4. Wasserman test