Q-6. A 14 days old infant presented with conjunctivitis following which 5 days later, the patient developed pneumonitis. What is the most likely causative organism?
a) Chlamydia trachomatis
b) Streptococcus agalactiae
c) Gonococcus
d) Haemophilus influenzae
Answer: Chlamydia trachomatis
Q7. A patient comes after a dog bite with hydrophobia, tearing and altered sensorium. You suspect rabies in this patient. Corneal impression has been taken. What test will you do on it for most accurate diagnosis?
a) Indirect Immuno-fluorescence
b) RT-PCR
c) Histopathological examination for Negri bodies
d) Antibodies against Rabies virus
Answer: RT-PCR
Explanation:
Q8. A 22-year-old male presented with history of fever, sore throat and enlarged neck lymph nodes. He was ordered a Paul-Bunnell test with a suspicion of Infectious mononucleosis. What is the immunological basis behind the use of this test?
a) Heterophile antibody test
b) Complement mediated agglutination reaction
c) Homophile antibody test
d) Latex agglutination test
Answer: Heterophile antibody test
Explanation:
Q9. 1, 3-beta D-Glucan assay can identify all the following organisms except:
a) Invasive aspergillosis
b) Pneumocystis jirovecii pneumonia
c) Invasive Candidiasis
d) Invasive Cryptococcosis
Answer: Invasive Cryptococcosis
Explanation: