A 40 years old doctor has an ulcer on his right check after a mission in Yemen. A skin scrap from the edge of the ulcer can detect the promastigote form of Leishmania, what is the most likely method used to reveal it?

A 36 housewife has severe burn while she was cooking. She is admitted to hospital, few days later, the burned area starts oozing Greenish-pus. The physician suspects Gram-ve bacterial infection and starts antibiotic therapy immediately to avoid the development of shock. Which bacterial structure plays the most significant role in the pathogenesis of shock in this condition?

In a pathology laboratory; the students are asked to point to the T-cell zone in the spleen. Which is the most likely area in this organ showing T- cell predominance?

Following a bacteriology lecture, a first year medical Students tries to recall the function of the different bacterial structures. What bacterial structure protects the organisms against phagocytosis?

A 7-year-old boy attends clinic with a two-week history of fever, sore throat and lumps in his neck. Clinical examination reveals enlarged lymph nodes in his neck and the physician makes a diagnosis of reactive lymphadenopathy. Which structure within the lymph node is responsible for its enlargement?

A 3-year-old child has fever, and skin rash. The pediatrician suspects viral infection. Which part of the virus is mostly involved in attachment to host cell?

A 7-year-old boy has fever and skin rash. The pediatrician suspects chickenpox. When will he stop being contagious?

A 5-month-old infant boy has repeated chest infections. Laboratory investigations reveal defective phagocytic function. Which is the defective cell in this case?

A 44 year old Egyptian journalist returns from a visit to Sudan. He develops irregular episodes of fever and chills. He attends to hospital and a blood film is done. What is the most likely finding in his blood film?

A 6-year-old boy received a Measles– Mumps- Rubella vaccine (MMR) at the age of 15 months. She is exposed to a colleague with measles but does not develop measles. Which property of the adaptive immune system best describes why she does not contract measles