Part 2/15

Question 1

11.Which Ig provides immunological protection for fetus and which Ig protects neonates?
A. IgA, IgG
B. IgM,IgA

Answer 1

A. IgA, IgG

Question 2

12.Which of the following molecules neutralize toxins?
A. IgA
B. IgM

Answer 2

IgA

Question 3

13.What is the special molecule in T helper cells?
A. CD4
B. TCR
C. CD3

Answer 3

A. CD4

Question 4

14.Which of the following bacteria is seen as bacilli in macrophages by giemsa stain?
A. Hemophillus ducreyi
B. K. granulomatous (in the exam, the old name was in the choices
“Calymmatobacterium granulomatous”

Answer 4

B. K. granulomatous (in the exam, the old name was in the choices
“Calymmatobacterium granulomatous”

Question 5

15.Which bacteria causes soft, painful chancre?

A. H. ducreyi
B. Treponema pallidum

Answer 5

A. H. ducreyi

Question 6

.16What does chlamydia trachomatis cause?
A. Chancre
B. Pelvicinflammatorydisease
C. Inguinallymphadenopathywithgrooves

Answer 6

C. Inguinallymphadenopathywithgrooves

Question 7

17.Which of the following pathogens result in bloody diarrhea with a complication of Gillian-Barre syndrome?
A. EHEC
B. S. Dysentriae C.
C.jejuni

Answer 7

C. C.jejuni

Question 8

18.A patient experienced bloody diarrhea after a meal of seafood, what could be the causative agent?
A. E. Coli
B. V. parahaemolyticus

Answer 8

B. V. parahaemolyticus

Question 9

19.What helps E. coli in causing UTIs?
A. common type fimbriae
B. polysaccharidecapsule

Answer 9

A. common type fimbriae

Question 10

20.Which antibiotic acts on bacterial mRNA?
A. Nitrofurantoin
B. Trimethoprim

Answer 10

A. Nitrofurantoin