(Paper) AIIMS EXAMINATION PAPER WITH ANSWERS EXPLANATIONS YEAR 2003 (Pg-2)
AIIMS EXAMINATION PAPER WITH ANSWERS EXPLANATIONS YEAR 2003
Page -2
26 With reference to bacteroides fragilis all of the following statements are
true except.
1 It is the most frequent anaerobe isolated from clinical samples.
2. It is not uniformly sensitive to metronidazole.
3. The lipopolysaccharide formed by B. fragills is structurally and functionally
different from the conventional endotoxin.
4. Shock and disseminated intravascular coagulation are common in bacteremia due
to B. fragilis
Ans 4 DIC and purpura are less common as LPS lacks biological potency as seen in
other gram -ve bacteria.
27. All of following statements are true regarding Q fever except.
1. It is a zoonotic infection.
2. Human disease is characterized by an interstitial pneumonia
3. No rash is seen
4. Weil Felix reaction is very useful for diagnosis.
Ans 4
28. The following statements are true regarding botulism except.
1. Infant botulism is caused by ingestion of preformed toxin.
2. Clostridium botulinum A, B, C and F cause human disease.
3. The gene for botulinum toxin is encoded by a bacteriophage.
4. Clostridium boriatti may cause botulism.
Ans 1
29. Streptococcal Toxic shock syndrome is due to the following virulence factor.
1. M protein
2. Pyrogenic exotoxin
3. Streptolysin O.
4. Carbohydrate cell wall.
Ans 2 M protein resists phagocytosis. Pyrogenic toxin causes TSS.
30. A 24 year old male presents to a STD clinic with a single painless ulcer on
external genitalia. The choice of laboratory test to look for the etiological
agent would be:
1. Scrappings from ulcer for culture on chocolate agar with antibiotic
supplement.
2. Serology for detection of specific IgM antibodies.
3. Scrappings from ulcer for dark field microscopy.
4. Scrappings from ulcer for tissue culture.
Ans 3 (presumably to look for Treponema pallidium.)
31. There has been an outbreak of food borne salmonella gastroenteritis in the
community and the stool samples have been received in the laboratory. Which is
the enrichment medium of choice:
1. Cary Blair medium
2. V R medium
3. Selenite "F" medium
4. Thioglycollate medium.
Ans 3
32. A 20 year old male had pain abdomen and mild fever followed by
gastroenteritis. The stool examination showed presence of pus cells and RBCs on
microscopy. The etiological agent responsible is most likely to be:
1. Enteroinvasive E. coli.
2. Enterotoxigenic E. coli.
3. Enteropathiogenic E. coli.
4. Enetroaggregative E. coli.
Ans 1
33. A man presents with fever and chills 2 weeks after a louse bite. There was a
maculo-popular rash on the trunk which spread peripherally. The casue of this
infection can be:
1. Scurb typhus.
2. Endemic typhus.
3. Rickettsial pox.
4. Epidemic typhus.
Ans 2
34. The virulence factor of Nesseria gonorrhoeae includes all of the following
except.
1. Outer membrane proteins
2. IgA Protease
3. M- Proteins
4. Pilli
Ans 3
35 A patient in an ICU is on a CVP line. His blood culture shows growth of grain
positive cocci which are catalase positive and coagulase negative. The most
likely etiological agent is:
1. Staplylococcus aureus
2. Staplylococcus epidermidis
3. Streptococcus pyogenes
4. Enterococcus faecalis.
Ans 2
36. According to WHO criteria, the minimum normal sperm count is:
1 10 million/ml
2 20 million/ml
3 40 million/ml
4 60 million/ml
Ans 2 (Below 20 is oligospermia, Normal is 60-120 Million/ ml)
37 In triple screening test for Down's syndrome during pregnancy all of the
following are included except.
1. Serum beta hCG
2. Serum oestriol
3. Maternal serum Alfa fetoprotein
4. Acetyl cholinesterase
Ans 4
38 An optic nerve injury may result in all of the following except.
1. Loss of vision in that eye.
2. Dilatation of pupil.
3. Ptosis
4. Loss of light reflex.
Ans 3
39. The commonest cause of occipito- posterior position of fetal head during
labour is:
1.Maternal obesity
2.Deflexion of fetal head
3.Multiparity
4.Android pelvis.
Ans 2
40. The commonest cause of breech presentation is
1. Prematurity
2. Hydrocephalus
3. Placenta previa
4. Polyhydramnios
Ans 1
41. The commonest congenital anomaly seen in pregnancy with diabetes mellitus is
1. Multicystic kidneys
2. Oesophageal atresia
3. Neural tube defect
4. Enalapril
Ans 3
42. Use of which of the following drug is contra-indicated in pregnancy.
1. Digoxin
2. Nigedipine
3. Amoxycillin
4. Ealapril
Ans 4
43. Following renal disorder is associated with worst pregnancy outcome.
1. Systemic lupus erythematosus
2 IgA nephropathy
3. Autosomal dominant polycystic kidney disease
4. Scleroderma
Ans 1 COGDT 2003 says that "Scleroderma remains the same or improves
slightly during pregnancy." ADPKD presents like scleroderma after 40.IgA
nephropathy improves in pregnancy. SLE is associated with a bad outcome about
30% stillbirths. SO SLE is the answer here. ALSO as COGDT says that in quiescent
SLE pregnancy may be normal or result in preterm baby without other serious
complications.
44. A perimanopausal lady with well differentiated adenocarcinoma of uterus has
more than half myometrial invasion, vaginal metastasis and inguinal lymph node
metastasis. She is staged as:
1. Stage III B
2 Stage III C
3. Stage IV a
4. Stage IV b
Ans 4 Page 1109 CSDT 11 ed. (Table). Only vaginal metastiais would be stage
IIIB, only more than half invasion of myometrium would have been stage IC.
45. The following combination of agents are the most preferred for short day
care surgeries
1. Propofol, fentanyl, isoflurane
2 Thiopentone sodium, morphine, halothane
3. Ketamine, pethidine halothane
4. Propofol, morphine, halothane
Ans 1 Ref Lee.
46. All of the following drugs have been used for medical abortion, except.
1. Mifepristone.
2. Misoprostol
3. Methotrexate
4. Atosiban
Ans 4 [Page 547 Dutta "Atosiban is an oxytocin analogue, It counteracts the
effect of endogenous oxytocin.So, It can inhibit oxytocin induced preterm
labour.]
[Medical abortion: Done when women come within 49 days from LMP.
Protocol is IM Methotrexate (50 mg/metre square) given on day 1
and then Misoprostol (prostaglandlin E1) inserted Vaginally on day 5,6,7.
Suction curretage may be needed after 2 weeks if pregnancy appears viable, IF
gestational sac persists for more than 4 weeks after methotraxate or IF
excessive bleeding occurs during anytime. (only 10-15 % require Suction
curretage)]
[About Mifepristone: = RU-486, It is a synthetic steroid. It occupies
progesterone binding sites but does not release heat shock protein[Progesterone
does].
So this drug blocks stimulatory effect of progesterone on endometrial growth,
also it blocks inhibitory effect of progesterone on uterine contractility--causing
abortion.
It has been used with prostaglandlins to cause abortions]
[Team AIPPG; & Murali, Bangalore (MMC)]
47. A 21 year old primigravida is admitted at 39 weeks gestation with painless
antepartum haemorrhage. On examination uterus is soft, non tender and head
engaged. The management for her would be:
1. Blood transfusion and sedatives.
2. A speculum examination
3. Pelvic examination in OT
4. Tocolysis and sedatives.
Ans 3
48. Which statement is true regarding VENTOUSE (Vacuum Extractor)
1. Minor scalp abrasions and subgaleal haematomas to new born are moe frequent
than forceps.
2. Can be applied when foetal head is above the level of ischial spine.
3. Maternal trauma is more frequent than forceps.
4. Can not be used when fetal head is not fully rotated.
Ans 2
49. A drop in fetal heart rate that typically lasts less than 2 minutes and is
usually associated with umbilical cord compression is called.
1. Early declaration
2. Late declaration
3. Variable declaration
4. Prolonged declaration
Ans 3 [Visit AIPPG forum / Message Board at www.aippg.net/forum]
50. All the following are known side effects with the use of tocolytic therapy
except.
1. Tachycardia
2. Hypotension
3. Hyperglycemia
4. Fever
Ans 2
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