pgaiims-Fort-Worth-Star-Telegram

Q: Ovalbumin was injected into a rabbit. Which of the following classes of antibiotics are to be produced initially:

(a) IgG
(b) IgM
(c) IgE
(d) IgD.


                                                                                                   A: c. IgE

Q: All the following about carbohydrate antigens are true except:

(a) Good memory response.
(b) Poor immunogenicity.
(c) T-cell independent immunity.
(d) Polyclonal response.



                                                                                                   A: a. Good....

Q: Which of the following cell types are the most potent activators of naive T cells:

(a) B cells
(b) Follicular dendritic cells
(c) Mature dendritic cells.
(d) Macrophages.



                                                                                                   A: c. Mature.....

Q: Which of the following complement component is the common link in the classical and alternate pathway of the complement system :

(a) C1
(b) C2
(c) C3
(d) C4


                                                                                                   A: c. C3

Q: Visceral larva migrans is associated with:

(a) Strongyloids stercoralis.
(b) Ancylostoma braziliensis.
(c) Toxocara canis.
(d) Visceral leishmaniasis.



                                                                                                   A: c. Toxocara...

Q: A patient presents to the emergency department with history of persistent fever and cough. Radiological features are suggestive of pneumonia. Sputum examination reveals aerobic branching gram positive filaments, that are partially acid fast. Which of the following is the most likely etiological agent:

(a) Actinomyces israeli
(b) Nocardia asteroides.
(c) Aspergillus fumigatus.
(d) Staphylococcus aureus.


                                                                                                   A: b. Nocardia...

Q: Aflatoxins are produced by:

(a) Aspergillus flavus
(b) Aspergillus niger
(c) Aspergillus fumigatus
(d) Candida.



                                                                                                   A: a. Asp. flavus