E. coli MCQs Quiz: A Set of Questions, Options, and Answers

Introduction Here is a set of Multiple Choice Questions (MCQs) on E. coli (Escherichia coli) as a quiz. E. coli MCQ Quiz 1. What is Escherichia coli (E. coli)? A) VirusB) BacteriumC) FungusD) Parasite 2. E. coli is classified under which bacterial group? A) Gram-positive …

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Extra-Pulmonary Tuberculosis-Introduction, Types, and keynotes

Acid fast bacilli of Mycobacterium tuberculosis in urine sediment

Introduction Extra-pulmonary tuberculosis (EPTB) affects areas outside the lungs. It impacts the lymph nodes, pleura, and bones. Patients often experience varied symptoms, depending on the affected site. Lymph node TB causes swelling, while bone TB results in pain. Pleural TB leads to chest pain and …

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Enterococcus gallinarum – Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

E. gallunarum in Gram stain of culture showing Gram positive cocci in pairs

Introduction Enterococcus gallinarum is a Gram-positive, facultatively anaerobic bacterium. It naturally inhabits the intestines of humans and animals. This bacterium exhibits intrinsic resistance to vancomycin. It can cause infections in immunocompromised patients. It is associated with urinary tract infections and bacteremia. Proper laboratory techniques are …

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Cedecea davisae- Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Cedecea in wet mount of culture microscopy

Introduction Cedecea davisae is a rare, opportunistic pathogen in the Enterobacteriaceae family. It was first isolated from a human wound. This bacterium can cause infections in immunocompromised individuals. It exhibits resistance to several antibiotics. It is often misidentified due to its rarity. However, proper laboratory …

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Staphylococcus epidermidis- Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Staphylococcus epidermis growth on blood agar

Introduction Staphylococcus epidermidis is a common, coagulase-negative bacterium found on human skin and mucous membranes. It is part of the normal human flora. However, it can cause infections, particularly in immunocompromised individuals. Notably, it is a leading cause of hospital-acquired infections. These infections often occur …

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Candidiasis-Introduction, Types, Signs and Symptoms, Causative Agent, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Candida albicans growth on SDA after 2 days of incubation

Introduction Candidiasis is an infection caused by Candida fungi, commonly Candida albicans. These fungi naturally live on the skin and inside the body, like in the mouth, throat, gut, and vagina, without causing problems. However, if the environment inside the body changes or the immune …

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Respiratory Tract Infections-Introduction, Types, Signs and Symptoms, Common Pathogens, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Respiratory Tract Infections-Introduction, Types, Signs and Symptoms, Common Pathogens, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Respiratory tract infections (RTIs) are a group of illnesses that affect the respiratory system, which includes the organs and structures involved in breathing. These infections can range from mild to severe and may involve various parts of the respiratory tract, including the upper and …

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Chlamydia pneumoniae: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Chlamydia pneumoniae, also known as Chlamydophila pneumoniae, is a species of bacteria that belongs to the Chlamydiaceae family. It is an obligate intracellular pathogen, meaning it can only survive and replicate inside the cells of its host. It primarily infects the respiratory system, causing …

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