Lab Exam

Laboratory Safety

Following safety protocols, wearing protective gear, handling chemicals carefully, and knowing emergency procedures.

Aseptic Technique

Maintaining sterility by sterilizing equipment, working in a clean environment, and avoiding contamination.

Streak Plate Technique

Method to isolate colonies on an agar plate using an inoculating loop.

Microscope Basics

Identifying parts like eyepiece, objective lenses, stage, condenser, and light source.

Procedures for Preparing Slides for Staining

Fixing bacteria on a slide, staining with appropriate dyes, and rinsing.

Gram-positive vs negative

Differences in cell wall composition affecting staining results.

Selective and Differential Media

Allowing growth of specific organisms and differentiating based on reactions.

Staphylococci

Characteristics of Gram-positive cocci found in clusters.

Streptococci

Characteristics of Gram-positive cocci found in chains or pairs.

Dental Caries

Causing organisms, attachment to teeth, and acid production test.

Coliform Testing

Importance, method, and selective media used.

Antiseptics and Disinfectants

Chemicals for killing or inhibiting microorganisms on living tissues or inanimate objects.

Bacteriostatic vs

Inhibiting growth vs. killing bacteria.

Bacteriophage

Viral life cycle, parts of the virus, and plaque formation.

Antibiotics

Definitions, Kirby-Bauer Procedure, synergism, and MIC testing.

Slide Agglutination

Correlation with serological tests, reactive components in S. aureus, and interpretation.

Synthetic Epidemic

Terms related to infectious diseases, spread methods, and epidemiology.