2000 march - paper 1 and 2

Discussion in 'MRCOG Forum' started by Guest, Feb 15, 2005.

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  1. Guest

    Guest Guest

    march 1 2

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  2. Guest

    Guest Guest

    paper 2, q 12 - is placenta impermeable to maternal ketone bodies??
  3. Guest

    Guest Guest

    paper 2 - q 2 a: ACT controls hydroxylation of cholesterol to pregnenolone: false???
  4. Guest

    Guest Guest

    Corrections

    Paper 1

    Q 6, D, True, ilioinguinal nerve supplies both Internal oblique and transversus in addition to the lower intercostal and the subcostal nerves, Ref Last's Anatomy page 219...

    Q 6, E, True, Pyramidalis is supplied by subcostal nerve (T12),Ref Last's Anatomy page 219...

    Q 10, A, Not sure but in Tim chard page 67, it is written that the roof of the femoral triangle is formed by skin, fascia together with the superficial circumflex iliac vein and the femoral branch of genitofemoral nerve, and as you know that the femoral triangle contains the femoral vein, femoral artery and femoral nerve, so it lies above all these structures, so I suggest it to be true... (any comment)

    Q. 12, A, true, Ref Last's Anatomy page 288, it said "in the female the base of the bladder has a firm connective tissue union with the anterior vaginal wall, and upper uterine cervix with no peritoneum intervening..

    Q. 14, A, not sure but doesnt the gonadal differentiation starts int he testis first at 7 weeks, Chamberlain page 37, so that would be around 28 days, so it shall be false

    Q. 14, B, is it the medulla or the cortex...? not sure its a very confusing question..

    Q. 15 C, does it enter the maternal circulation or is it the Trophblastic cells, Trophblastic cells will be a more precise term , or do we mean by trophoblast that it is trophoblastic cells in maternal circulation (any comment)

    Q. 15 D, True, Ref, Chamberlain Page 39, it says " These cells which form the endovascular trophoblast replace the endothelium and invade the walls of the intradecidual portion of the spiral vessle wall.

    Q. 29 B, False, Ref Tim chard page 109
    Sources of various andorgens
    Testosterone "ovary 20%" "adrenal 30%" "peripheral conversion 50%"
    Androstendione "ovary 30%" "adrenal 60%" "peripheral conversion 10%"
    DHEA and DHEASO4 "adrenal 80%"
    Dihydrotestosterone 100 % peripheral conversion

    Q 31, C, False, It has a thyrotrophic activity not antithyroid

    Q 45, A, true, Propranolol is a Beta blocker and they Cause bronchoconstriction

    Regards to all.
    Dr. Mohamed A. Otify
  5. roni

    roni Guest

    you said
    Q. 14, A, not sure but doesnt the gonadal differentiation starts int he testis first at 7 weeks, Chamberlain page 37, so that would be around 28 days, so it shall be false

    7 weeks is 49 days not 28 so i think it's true.
  6. Guest

    Guest Guest

    will get back guys....
  7. Guest

    Guest Guest

    Q 6, D, True, ilioinguinal nerve supplies both Internal oblique and transversus in addition to the lower intercostal and the subcostal nerves, Ref Last's Anatomy page 219... - does this mean it innervates the rectus sheath??? shipra - ur comments?
  8. Guest

    Guest Guest

    Q 10, A, Not sure but in Tim chard page 67, it is written that the roof of the femoral triangle is formed by skin, fascia together with the superficial circumflex iliac vein and the femoral branch of genitofemoral nerve, and as you know that the femoral triangle contains the femoral vein, femoral artery and femoral nerve, so it lies above all these structures, so I suggest it to be true... (any comment) - i think u r right. it is! wil get bck onthis only if its false, else true.
  9. Guest

    Guest Guest

    Q. 12, A, true, Ref Last's Anatomy page 288, it said "in the female the base of the bladder has a firm connective tissue union with the anterior vaginal wall, and upper uterine cervix with no peritoneum intervening.. - that would be the vesiclocervical fascia - but does this mean its in contact with it - i am not to sure???? shipra ur views??
  10. Guest

    Guest Guest

    Q. 14, B, is it the medulla or the cortex...? not sure its a very confusing question.. - cortex!!
  11. Guest

    Guest Guest

    Q. 15 C, does it enter the maternal circulation or is it the Trophblastic cells, Trophblastic cells will be a more precise term , or do we mean by trophoblast that it is trophoblastic cells in maternal circulation (any comment) - answer is true - these cells do!
  12. Guest

    Guest Guest

    Q. 15 D, True, Ref, Chamberlain Page 39, it says " These cells which form the endovascular trophoblast replace the endothelium and invade the walls of the intradecidual portion of the spiral vessle wall. - agree
  13. Guest

    Guest Guest

    agree with the rest of ur answers Dr Otify. thx for the corrections too!
  14. Guest

    Guest Guest

    14 a in paper 1 , i agree with roni.
    thx
  15. Shipra

    Shipra Guest

    Paper-1 Q1 'c' shd be false....cudnt find its ref. anywhere...
  16. Shipra

    Shipra Guest

    paper-1 9'c' shd be true
  17. Shipra

    Shipra Guest

    paper-1 6'd' shd be false ....I coudnt find anywhere n supply of rectus sheath...
  18. Shipra

    Shipra Guest

    paper-1-- 11 'e' shd be true ( ganong)
  19. Shipra

    Shipra Guest

    Paper-1 14'b' is false..dev in cortex
  20. Shipra

    Shipra Guest

    Paper-1,Q15 ..though it has been discussed...to put it together correct ans are abcd
  21. Shipra

    Shipra Guest

    Paper-1 17'c' shd be true.
  22. Shipra

    Shipra Guest

    Paper-1 20 'c' --- are u sure abt it being false....as its only the brain cells in which the glucose uptake is independent of insulin....not all the neurones..
  23. Shipra

    Shipra Guest

    Sorry 20 'c' agreed with you...just now found an article
  24. Comments

    Dear Shipra
    Thanks for your contributions
    here are my comments on your reviews

    Paper 1
    Q1, C, True, Ref, Lasts anatomy page 318, it says "it runs straightforward to the obturator foramen supplying the parietal peritoneum"

    Q9, C, True, I agree, just found it now in Lasts as I was looking for it, Ref Page 268 lasts anatomy

    Q6, D, True, rectus sheath is formed in part by transverses and internal oblique, and ilioingunal supplies both those muscles, Ref, Lasts anatomy page 219

    Q11, E, True I agree, you are right, thx

    Q14, B, I am not sure if cortex or medulla, Any reference for that

    Q17, C, F, Ref Ganong page 387, it says "When the epiphyses are closed, linear growth is no longer possible, and growth hormone produces the pattern of bone and soft tissue deformities known in humans as acromegaly"
    And if you review acromegaly you will find that there is special type of bone growth.

    Regards,
    Dr. Mohamed A. Otify

    P.S. If you could go through my reviews in Sept 97 exam, that I posted I would be thanksful..
  25. Shipra

    Shipra Guest

    paper-1 33 'd' 'e' shd be also true...presence of necrotic tissue favours germination of spores so reverse may inhibit....what do u think??
  26. Shipra

    Shipra Guest

    Thanx Dr. Mohamed for correcting me...I shall go through ur comments as soon as possible..
  27. Shipra

    Shipra Guest

    Paper-1 34 'c' shd be true...as its a cause of intracerebral ( usually periventricular ) calcification of brain in neonates.( Ref: Ghai)
  28. Shipra

    Shipra Guest

    Paper-1 , Q35 'c' shd be true as IgM antibodies appear within 14 days of appearance of rash...and this is used in serological diagnosis of Rubella ( Park-PSM)
  29. Shipra

    Shipra Guest

    Paper-1 39 'd' shd be true...its doc in my pharmac text...dunno what t/t is follwed in uk?? :roll:
  30. Shipra

    Shipra Guest

    Paper-1 Q47 -- a, ,b, are false ..its a weak muscle relaxant...and predominantly undergoes hepatic metabolism...just checked with my pharmac text.
  31. Shipra

    Shipra Guest

    Paper-2, 46 'e' -- are u sure abt it?.( abt several times)
  32. Shipra

    Shipra Guest

    Paper-2- 42'd' shd be false....though mast cells are seen to produce melanin in some of the tumours( still a matter of research) but they do not control melanin formation in normal course in epidermis..its done by melanocytes and dendritic cells.
  33. Guest

    Guest Guest

    Q1, C, True, Ref, Lasts anatomy page 318, it says "it runs straightforward to the obturator foramen supplying the parietal peritoneum"
    Q9, C, True, I agree, just found it now in Lasts as I was looking for it, Ref Page 268 lasts anatomy - discussed

    paper-1 6'd' shd be false ....I coudnt find anywhere n supply of rectus sheath... - i agree with u. i dont think the erectus SHEATH has any innervaion although the muscles do!
  34. Guest

    Guest Guest

    agree with 11e, 14b, 1c (false) - 17c - flase and answers to 15 as acd- in paper 1

    15b - i thought the blood vessels are formed form innercell mass that gives rise to mesenchyme. is trophoblast true then? isnt there a difference in innercell mass and trophoblast??

    agree with 34c , 35c - paper 1

    i am not sure abt paper 2 46e (several times thingi)
    ampicillin is the drug of choice for 39d

    thx for correcting me on 47a and b - i agree with ur answers - paper 1

    paper 42 b - i got my answer from the net, so nto sure what to say!!
  35. Shipra

    Shipra Guest

    Paper-2 27 'd' shd be false as epitheloid or giant cells are a feature of granuloma which is different from granulation tissue
  36. Shipra

    Shipra Guest

    paper-2 29 'd' -- Are u sure that low temp delays wound healing....temperature does affect rate of wound healing...but how...couldnt find anywhere...in any books..even on net??
  37. Guest

    Guest Guest

    AM SURE OF THE ANSWER - GO TIT FROM ONE MCQ BOOK - AND ALSO READ SOMEWHERE
  38. Guest

    Guest Guest

    SHIPRA, CAN U PLS CHECK MY DOUBT ON 15 B?
  39. Guest

    Guest Guest

    ARE U POSITIVE ON CALCIFICATION IN CMV INFECTION - I THOUGHTIT WAS CHARACTERISTIC OF TOXO???
  40. Shipra

    Shipra Guest

    Paper-2 18'e' shd be false as not the entire energy is dissipated..some of it echoes back...
  41. Shipra

    Shipra Guest

    Yes I am 100% sure..got it in Nelson as well
  42. Guest

    Guest Guest

    Paper-2 18'e' shd be false as not the entire energy is dissipated..some of it echoes back... - TRUE COZ ONLY 0.1% ECHOES BACK/ - ON THE NET
  43. Shipra

    Shipra Guest

    So how can it be "entirely"...??when 0.1% is echoing back...??
  44. Shipra

    Shipra Guest

    I agree with ur ans of Q15 paper-2

    To put it together
    In 1 turn of TCA cycle-
    -12ATP are formed
    -2 mol of CO2 are produced
    -3 NADH
    -1 FADH2 are produced
  45. Shipra

    Shipra Guest

  46. Shipra

    Shipra Guest

    paper-2,Q23 'a' and 'e' are false...its mediated by Ig G and Ig M antibodies. Damage is widespread...cytolytic ( type II )reactions are targetted at particular cell type.
  47. Shipra

    Shipra Guest

    Paper-2 Q 17 -- 'c' and 'e' are true.
  48. Shipra

    Shipra Guest

    Paper-2 Q12 'c ' shd be true, ( De swiet) its transferrred both by simple as well as facilitated diffusion. Placenta is imperbeable to ketone bodies as they are lipid insoluble..( water soluble)I agree.
  49. Shipra

    Shipra Guest

    paper-2 Q 11 'b' shd be true as thrombin acts on fibrinogen to convert it into fibrin.
  50. Shipra

    Shipra Guest

    Paper-2 10'e' shd be false as glucocorticoids decrease glycolysis in peripheral tissues ( quoting it from my biochem text)
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