Typhoid Fever: Pathogenesis (vectors, bacteria), Symptoms, Diagnosis, Treatment, Vaccine

The video tutorial covers typhoid fever, its causes, transmission, pathogenesis, symptoms, diagnosis, treatment, and prevention. It explains how Salmonella bacteria cause the disease, the clinical symptoms, and the importance of sanitation and vaccination in prevention. The video also discusses relapse and chronic carriage, highlighting the need for appropriate antibiotic treatment.

What is the primary reservoir for the bacteria causing typhoid fever?

• Insects

• Plants

• Animals

• Humans

Which bacteria are responsible for causing typhoid fever?

• Salmonella Typhi and Salmonella Paratyphi

• Escherichia coli

• Staphylococcus aureus

• Bacillus anthracis

How do Salmonella Typhi bacteria penetrate intestinal epithelial cells?

• Through direct cell lysis

• By forming spores

• By producing toxins

• Through M cells and CFTR channels

What symptom is characterized by a gradual increase in fever levels?

• Sudden fever

• Stepwise fever

• Intermittent fever

• Constant fever

Which of the following is a potential complication of typhoid fever?

• Hair loss

• Joint pain

• Skin rash

• Intestinal bleeding

What is a common method for diagnosing typhoid fever?

• X-ray

• Ultrasound

• Blood and stool cultures

• MRI

What is a key prevention strategy for typhoid fever?

• Vaccination and sanitation

• Regular exercise

• High-protein diet

• Avoiding dairy products