General microbiology

A. HIV infection B. Influenza C. Rubella
D. Infectious mononucleosis E. Tuberculosis
15. A 24 y.o. woman presents with prolonged fever, nocturnal sweating. She’s lost weight for 7 kg during the last 3 months. She had irregular intercourses. On examination: enlargement of all lymphaden groups, hepatolienal syndrom. In blood: WBC – 2,2 x 10⁹/L. What is the most likely diagnosis?
A. HIV-infection B. Lymphogranulomatosis C. Tuberculosis
D. Chroniosepsis E. Infectious mononucleosis
16. A 35-year-old female patient has HIV at the AIDS stage. On the skin of the lower extremities and palatine mucosa there appeared rusty red spots, bright red nodules of various sizes. One of the nodules was taken for histological study. It revealed a lot of randomly distributed thin-walled vessels lined with endothelium, the bundles of spindle cells containing hemosiderin. What kind of tumor developed in the patient?
A. Kaposi’s sarcoma B. Hemangioma
C. Burkitt’s lymphoma D. Lymphangioma
E. Fibrosarcoma
17. An HIV-positive patient’s cause of death is acute pulmonary insufficiency resulting from pneumonia. Pathohistological investigation of lungs has revealed transformed cells resemble owl’s eye. Name the pneumonia causative agent:
A. Cytomegalovirus B. Pneumococcus
C. Influenza virus D. Candida fungi E. Toxoplasma
18. A doctor examined a patient with recurrent aphthous stomatitis with concominant candidosis and decided to eliminate a possibility of HIV-infection. What examination can help to clear the situation up and make a provisional diagnosis?
A. Immune-enzyme analysis B. Gel precipitation reaction
C. Reaction of hemagglutination inhibition
D. Phase-contrasr microscopy E. Reaction of hemagglutination
19. Medical examination of a 19-year-old worker revealed generalized lymphadenopathy mainly affecting the posterior cervical, axillary and ulnar lymph nodes. There are multiple injection marks on the elbow bend skin. The man denies taking drugs, the presence of injection marks ascribes to influenza treatment. Blood count: RBCs - 3,2x10¹²/l, Hb- 100 g/l, WBCs - 3,1x10⁹/l, moderate lymphopenia. What study is required in the first place?