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Mrcs Recalls- Darun > Emrcs Wrongs > Flashcards

Emrcs Wrongs Flashcards

1
Q

UTI. Mc organism

A

Proteus. Urease producing.

Favours struvite stone (alkaline)

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2
Q

Anal fissure associated with sickle cell or leukaemia

A

Leukaemia. Not sickle cell

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3
Q

Contraindication to epidural

A

Coagulopathy
Active infections (even appendicitis)

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4
Q

Annular pancreas. Most likely obstructs at

A

2nd part of duodenum

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5
Q

Vwd and haemophilia
Apla sym

A

Aptt increase. Pt normal
Increased aptt

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6
Q

Urea to creat ratio in dehydration

A

Increased

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7
Q

Cephalic vein and brachial artery separated by

A

Bicipital aponeurosis

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8
Q

VIT def
B1
B3

A

Beri beri
Pellagra

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9
Q

Chordoma

A

Bone tumour. Skull base and sacrum mc. X-ray- destructive lesion with soft tissue mass

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10
Q

Blood products with
Gram +ve inf-
Gram -ve inf-

A

Blood products with
Gram +ve inf- platelet
Gram -ve inf- packed red cells

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11
Q

Best for hiv testing

A

P24 antigen testing

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12
Q

Most imp in sepsis:

vasoconstrictor

Inotrop

A

Nor adr not dopamine

Dopamine

(Always give inotrop via central line)

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13
Q

Lower GI bleed mc causes:
Newborn-
Less than 1 Yr-
1-2 Yr-
More than 2yr-

A

Lower GI bleed mc causes:
Newborn- anal fissure
Less than 1 Yr- fissure /intussusception
1-2 Yr- me Mel’s or polyp
More than 2yr- polyps or ibd

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14
Q

Upper GI bleed mc causes:
Newborn-
Less than 1 Yr-
1-2 Yr-
More than 2yr-

A

Upper GI bleed mc causes:
Newborn- hemorrhagic disorder
Less than 1 Yr- gastritis
1-2 Yr- peptic ulcer
More than 2yr- varices

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15
Q

Diaphragm disease

A

Formation of small compartments within small bowel. Associated with NSAIDS

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16
Q

Renal tumour from a long standing staghorn calculus

A

Scc. Not adeno or tcc

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17
Q

Which analgesic to avoid in renal transplant

A

NSAIDs. (Nephrotoxic)

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18
Q

Ansa cervicalis

A

C1 c2 c3

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19
Q

Salivary gland enlargement.
1. Associated with sicca or other autoimmune disorders
2. Isolated enlargement

A

Sjogrens

Miculicz

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20
Q

Cluster randomised trial

A

More prone to unit of analysis error

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21
Q

Very large goitre with retrosternal extension. Complication after thyroidectomy?

A

Tracheomalacia

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22
Q

Metastatic calcification

A

Increased calcium levels, so deposition

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23
Q

Parotid duct pierces which muscle

A

Buccinator

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24
Q

Root of lung. Vertebral levels

A

T5-T7

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25
Q

Left hilum structures

A

2 pulm veins, 1 pulm artery
Bronchial artery and vein
1 primary bronchus
2 pulmonary plexus
Bronchopulmonary LN

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26
Q

Hilum right lung structures

A

2 pulm vein nd 1 pulm artery
1 bronchial artery and vein
2 bronchus
2 pulm plexus
LN

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27
Q

1st radiologic sign in perthes

A

Sclerosis of femoral head

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28
Q

Retinal and cerebellar Hemangioma

A

Von hippel lindau

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29
Q

Acid base balance in PE

A

Resp alkalosis due to hyperventilation

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30
Q

Rectal varices doc

A

Terlipressin

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31
Q

Massive PE treatment

A

Thrombolyse with alteplase 50 mg bolus

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32
Q

Knee locking. Delayed knee swelling.

A

Torn meniscus

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33
Q

Prostate lymph node

A

Internal iliac.

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34
Q

Coupling injury

A

Active electrode touches a metallic instrument

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35
Q

Drug that can be used in varicose veins

A

Pentoxifylline

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36
Q

Hypothermia. Which hormone production decreases

A

Insulin

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37
Q

Pancreatitis with b/l parotid enlargement

A

Viral parotitis

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38
Q

Duodenal atresia associated with

A

Trisomy 21

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39
Q

Proportion of patients presenting for chole will have cbd stones

A

10%

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40
Q

Pseudohematuria

A

Rifampicin. Quinine. Levodopa. Phenytoin

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41
Q

Level of hyoid bone

A

C3

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42
Q

Chest pain. AR murmur. Inf wall MI alike ecg

A

PROXIMAL aorticdissection

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43
Q

Only inotrop that can be given in peripheral line

A

Metaraminol. Not nor adr or adr or dobutamine

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44
Q

Percentage of normotensives in pheo

A

10%

45
Q

Approx blood loss for each class of shock :
Class 1 -
Class 2 -
Class 3-
Class 4-

3vs 4- drop in GCS in 4

A

Approx blood loss for each class of shock :
Class 1 - < 750
Class 2 - 750-1500
Class 3- 1500- 2000
Class 4- >2000ml

46
Q

False elevation of serum ferritin

A

Any septic focus present

47
Q

Drugs tgat can cause malignant hyperthermia

A

Suxamethonium
Halothane

48
Q

Sudden stoppage of dopaminergic drugs like Ldopa and antipsychotics

A

Neuroleptic malignant syndrome. Hyporelfexia, lead pipe rigidity

49
Q

Absorption independent of pancreatic secretion for folic acid or b12?

A

Folic acid.
B12 needs protease action.

50
Q

Upper limb (axillary/subclavian) thrombosis. Best treatment

A

Catheter direct tPA

51
Q

VWf stabilizes

A

Factor 8

52
Q

Iron is absorbed at
Total body iron
Most of iron is at

A

Proximal small bowel (duodenum and jejunum)

4g

Hb

53
Q

Thebesian veins drain into

A

Atrium

54
Q

Sartorius innervated by

A

Superficial br of femoral N

55
Q

Long head of biceps is innervated by

A

Tibial component of sciatic nerve

56
Q

Acid base disorder nd calcium relation

A

Alkalosis lowers calcium

57
Q

Brain death

A

Fixed pupil
No corneal reflex
Absent occulo vestibular reflex
No response to supraorbital pressure
No cough reflex
Co2- 6 kpa

58
Q

Crutch palsy

A

Radial nerve

59
Q

Marfan syndrome. Defective protein

A

Fibrillin

60
Q

Tender hyperthyroid goitre

A

Subacute thyroiditis

61
Q

Ct indications in children

A

LoC> 5 mins
Vomiting >3
Ent bleed
Seizure
Lesion > 5 cm

62
Q

Superficial irregular pigmented patches with itching

A

Seborrhoeic wart.
DO SHAVE BX

63
Q

Bolam test

A

Professional standards met?

64
Q

Consent 2 form

A

Parent for children

65
Q

Consent 4

A

When pt is unable to consent

66
Q

Upper third esophageal Ca

A

Radical chemo radio or mceveon 3 field

67
Q

Hematoma in transphenoidal hypophysectomy

A

Bi temporal hemianopia

68
Q

Atrial repolarisation on Ecg

A

None

69
Q

Fistula in ano in crohns pt. Managed by

A

Loose seton

70
Q

Conns syndrome. Parotid secretion Na and K

A

Same as kidney!! Less Na and more K

71
Q

Rare disease or condition. Best study design

A

Case control study

72
Q

Atracurium
2 important points

A

Histamine release
Metabolised by hydrolysis. Not kidney or liver.

73
Q

Malena after stoma

A

Diversion colitis

74
Q

X-ray KUB ureter landmark

A

Tip of transverse process of L2 to L5

75
Q

Mc adverse event following

Packed red cells

FFP

A

Pyrexia

Urticaria

76
Q

Popcorn cells seen in which Hodgkin lymphoma type

A

Lymphocyte predominant

77
Q

Best investigation to assess for possible compression of upper airways eg due to retrosternal goitre

A

Flow volume loop

78
Q

Thoracic duct

Azygous vein

A

Right to left at louis(T4-T5). Enters left subclavian at c7

Right. Post to eso. Ascends up to T4. Arches for ward to drain into svc

79
Q

Anaemia with sore tongue

A

B12 def

80
Q

Tunneled lines popular for long term chemo

A

Groshong and Hickman. It’s like chemoport.

81
Q

Young Asian female. Pulseless peripheries.

A

Takayasu. Variable cvs and cns symp.

82
Q

Prolactin release
stimulated by
Inhibited by

A

Thyrotrophin releasing hormone.
Dopamine #

83
Q

When to stop ufH preSX

A

6hrs preop.
Cleared from circulation by 2 hours.

84
Q

Commonest cause of LGI bleed in adult

A

Diverticular

85
Q

Uncomplicated lap chole. Risk of wound infection

A

3-5%

86
Q

Most imp urinary acid base buffer

A

Phosphate

87
Q

Most water is absorbed at

A

Jejunum and ileum

88
Q

Halothane most imp side effect

A

Hepatotoxicity

89
Q

Adrenaline dose for anaphylaxis

A

1:1000 im (0.5 ml)

90
Q

Bleeding PR post illeocolic anastomosis

A

Anastomotic staple line bleed

91
Q

Long standing venous ulcer. Which bx

A

Punch bx

92
Q

Sudden spontaneous spleen rupture cause

A

Epstein Barr

93
Q

Metastatic breast cancer with lytic deposits in femoral shaft.
Mx

A

IM nailing. Not RT since it will reduce risk of fracture.

If near neck, THR

94
Q

Pancreatic secretions volume

A

1000-1500ml

95
Q

Mc type of fistula in ano

A

Intersphincteric

96
Q

Lymphatic drainage of female urthera

A

Internal iliac

97
Q

Acute haemolytic transfusion reaction. Test to confirm

A

Direct Coombs

98
Q

Chords tympani in middle ear

A

Medial to par flaccida

99
Q

Hematuria. Textile industry. Rubber industry.

A

Tcc renal cancer

100
Q

Causes of AVN.

PLASTIC RAGS

A

Pancreatitis
Lupus
Alcohol
Steroids
Trauma
Idiopathic,infections
Caisson
Radiation, rheumatoid
Amyloid
Gaucher
Sickle cell anemia

101
Q

Supination and pronation restriction. Tenderness in proximal forearm.

A

Radial #

102
Q

Gustilo 3A- adequate skin cover
Gustily 3B- inadequate skin cover gustily sc- vascular injury

Management?

A

3A ); _ debridement and external fi’xation. Closedefect later

3B - skeletal and soft tissue reconstruction within 72hrs
3C - immediatevasador repair

103
Q

Consider angioplasty when

A

Small well defined block. Good distal run off

104
Q

Mc location of gastrinoma

A

Duodenum

105
Q

SD percentage rule

A

68-95-99.7

106
Q

UTI mc organism

A

Proteus

107
Q

Associated with fissure. Conditions

A

Tb
Crohns
Syphillis
Leukaemia!
Not sickle cell

108
Q

Tourniquet deflation changes

A

Fall in CVP,SVR,
Increase in end tidal co2
Increased fibrinolytic
Fall in temp
Raised K and lactate

109
Q

Division of common carotid artery

A

C4

Mrcs Recalls- Darun (4 decks)

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