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MRCOG Part 1 Jan 2022
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  • 問題数 75 • 4/7/2024

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    問題一覧

  • 1

    Nerve root of iliohypogastric, ilioinguinal nerve

    L1

  • 2

    Only structure that exit lesser sciatic foram

    Tendon of obturator internus

  • 3

    ductus venosus connects

    Umbilical vein and inferior vena cava

  • 4

    Allantois is derived from

    endoderm

  • 5

    which is correct

    c

  • 6

    Incidence of 45XO and its mosaicism

    1:3000

  • 7

    Origin of ureteric bud

    mesonephric duct

  • 8

    mode of inheritance?

    codominant

  • 9

    Pedigree : 1st gen mother carrier, father normal, 2nd generation with 4 children : 1 son normal, 1 son affected, 1 daughter carrier, 1 daughter normal. Mode of inheritance :

    x linked recessive

  • 10

    Smoking adversely affects neurological function of newborns. Which receptor does nicotine bind to that affects neurotransmitter in foetus

    acetylcholine

  • 11

    function of brca

    tumour suppressor gene

  • 12

    coagulation factors that increase in pregnancy

    VII, VIII, IX, X

  • 13

    Structure lateral to internal iliac artery

    ureter

  • 14

    ovary originates from

    mesoderm

  • 15

    cleft palate results from

    Failure of development of 1st pharyngeal arch

  • 16

    derivatives of 2nd pharyngeal arch

    -

  • 17

    Proximal internal carotid artery derived from

    3rd pharyngeal arch

  • 18

    precursor of serotonin

    tryptophan

  • 19

    phosphate excreted by

    kidneys

  • 20

    most of HCO3 resorbed in

    proximal convoluted tubule

  • 21

    where is active form of vitamin d produced

    kidney

  • 22

    Nerve supply to structure below umbilicus

    inferior hypogastric nerve

  • 23

    sympathetic inner action of bladder

    inferior gluteal nerve

  • 24

    innervation of pudendal nerve

    -

  • 25

    You intent to prescribe COCP to 4 wks postpartum woman, not breastfeeding. How long should additional contraception be used :

    7 days

  • 26

    source of vitamin k1

    leafy green vegetables

  • 27

    serum test for iron deficiency anaemia

    serum iron

  • 28

    Pt came with fever, abdominal pain, hypotension, tachycardia. Worsening of sepsis and inflammation in pregnancy due to

    upregulation of nitric oxide and PG

  • 29

    hormonal effect of prostaglandin

    paracrine

  • 30

    40% of pt with PCOS have hyperprolactinaemia

    Estradiol excess leading to hyperprolactinaemia

  • 31

    Prolactin levels in pregnancy compared to pre-pregnancy :

    50 fold increase

  • 32

    Structure passing through deep inguinal ring visualised easily on laparoscopy

    round ligament

  • 33

    Ligament arising from lateral border of cervix and attached to endopelvic fascia :

    cardinal ligament

  • 34

    Dorsal nerve of clitoris is terminal branch of :

    pudendal nerve

  • 35

    nerve passing medial to ASIS

    lateral cutaneous nerve

  • 36

    Structure supplying majority of midgut branches from aorta at which level

    L3

  • 37

    Main blood supply of transverse colon :

    middle colic artery

  • 38

    underwent open appendectomy. Surgeon needs to ligate appendiceal artery. Originof appendiceal artery

    ileocolic artery

  • 39

    Sutures enclosing largest fontanelle

    frontal, coronal, sagittal

  • 40

    diameter(s) widest in mid pelvis

    -

  • 41

    axis of ROC curve

    Sensitivity / ( 1-Specificity)

  • 42

    Foetus born with absence of mastoid process. Which structure is at increased risk of damage during delivery :

    CN VII

  • 43

    Alcohol group attached to which carbon atom of prostaglandin structure

    C20

  • 44

    name the structure

    colles fascia

  • 45

    Muscle of pelvic floor not inserted into perineal body

    ischiocavernosus

  • 46

    Term for condition in which statistical difference occurs purely by chance :

    type 1 error

  • 47

    Major estrogen produced by placenta

    estriol

  • 48

    Major oestrogen produced in premenopausal :

    estradiol

  • 49

    Structurally similar hormones with TSH :

    HCG, FSH, LH

  • 50

    Commonest cause of hypothyroidism worldwide :

    iodine deficiency

  • 51

    Healthy normal adult, what is the response to a fall in blood glucose :

    Decreased insulin, increased glucagon

  • 52

    Type of atom released during MRI used to generate image :

    hydrogen

  • 53

    Type of treatment where a device is inserted into vagina to deliver radioactive substance

    brachytherapy

  • 54

    Type of electrosurgery used in laparoscopy where a pad is placed on patient :

    monopolar diathermy

  • 55

    USG process causing lysis of cell and damage :

    heating

  • 56

    USG phase with best resolution :

    axial

  • 57

    Pt with underlying Chron’s disease presented with had numbness. Had hx of bowelresection. Hb 10.5, MCV 122. Likely cause of symptoms :

    vitamin B12 deficiency

  • 58

    Pt complained of perioral numbness and spasm over upper limbs. *Diagram showed pic of ECG : Prolonged QT interval. Likely electrolyte abnormality :

    hypocalcaemia

  • 59

    Ig which is a pentamer :

    IgM

  • 60

    Hepadnavirus containing DNA, can be transmitted via needle sharing, blood transfusion

    Hep B

  • 61

    HBsAg +ve; HBsAb +ve; HBeAg –ve; HBeAb +ve; HbcAg +ve; HBcAb –ve; which explains these results? (NOTE ANSWER MAY BE WRONG - LOOK UP AND LEARN)

    chronic infection

  • 62

    Lady with generalised fatigue. Non-pregnant. Done LFT ALP 230 ( raised ). ALT, GGT, Alb, Bili within normal range. Possible dx :

    vitamin D deficiency

  • 63

    60 yo postmenopausal. USG ET 3mm. Noted bilateral, multilocular cyst 5mm, moderate ascites. Ca 125 level 150. Calculate RMI :

    1350

  • 64

    Best sample for ?chlamydia

    endocervical swab

  • 65

    Features of neonatal herpes :

    -

  • 66

    Pregnant lady contracted CMV infection in 2nd trimester. Risk of neonatal congenital infection :

    10-15%

  • 67

    What does the picture show

    trichomonas

  • 68

    Dx criteria in Amsel’s criteria

    -

  • 69

    Absolute contratindication in pt with hx of pulmonary embolism

    COCP

  • 70

    Pt intends to take transdermal oestrogen for HRT. Risk factor for risk of breast Ca compared to those not on HRT :

    3x risk

  • 71

    20 y/o, had large complex ovarian cyst 30cm. Suggested tumour markers :

    - (bHCG, LDH, Ca125, AFP)

  • 72

    mode of spread of choriocarcinoma :

    haematogenous

  • 73

    Origin of Ca 125 :

    coelomic epithelial structures

  • 74

    Arias-Stella phenomenon seen in :

    endometrium

  • 75

    Which Ig crosses placenta from mother to foetus :

    IgG