Mock 10 Flashcards

1
Q

What anatomical structure or landmark lies just above the midpoint of the inguinal ligament?

A

Deep inguinal ring

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2
Q

82-year old man brought into ED due to low level of consciousness + severe headache for the last 20 hrs + very sensitive to light + temp of 39 + tachycardic at 118 + hypotensive at 80/55 + tachypneic at 32 + conscious but confused + positive Kernig’s sign + high-flow O2 and IVF were started
Most appropriate immediate action?

A. IV antibiotics
B. Lumbar puncture
C. CT brain
D. Head MRI
E. Blood culture
A

IV antibiotics - given Ceftriaxone or Cefotaxime; may add amoxicillin on top of ceftriaxone

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3
Q

A 75-year old man has urinary symptoms of frequency and nocturia. he finds it difficult to start his urine flow. Once he starts, the flow stops halfway through and starts again. He has sensation of not being able to empty his bladder.

PMH: prostate CA 11 years ago - treated and went into remission

DRE: irregular, hard, asymmetric prostate gland

Single most appropriate investigation to perform next?

A. MRI spine
B. UTZ pelvis
C. X-ray of pelvis
D. IV Urogram
E. Serum PSA
A

Serum PSA

***always pick PSA as the investigation of choice if you suspect prostate cancer in any patient

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4
Q

39-year old man + hx of swelling in the region of the submandibular region + more prominent and painful on chewing + hx of sour taste in the mouth + dry mouth + palpation - area is tender

Single most likely underlying diagnosis?

A. Chronic Sialadenitis
B. Adenolymphoma
C. Mikulicz’s disease
D. Adenoid cystic carcinoma
E. Submandibular abscess
A

A. Chronic sialadenitis

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5
Q

22-year old sexually active male + 2-day history of fever with increasing pain in the scrotal area + painful micturition + no history of trauma + red and tender scrotal skin + temp 37.8C
Single most likely diagnosis?

A. Testicular torsion
B. Torsion of a pedunculated cyst of Morgagni
C. Hematocele
D. Epididymo-orchitis
E. Spermatocele
A

Epididymo-orchitis

  • more gradual onset
  • presence of fever
  • also: dysuria
Think testicular torsion if 
- WITH HISTORY OF TRAUMA
- PREVIOUS ATTACKS OF PAIN
- VOMITING
Mx: urgent exploratory surgery
Think EO if
- SEXUALLY ACTIVE
- DULL PAIN
- pain and swelling LOCALISED TO THE POSTERIOR SCROTUM
Mx: antibiotics
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6
Q

55y/o presents to the clinic with SOB and increased daytime sleepiness + drinks 25 u of alcohol weekly + BMI is 35 kg/m2 + BP 150/70 + wife complains that he snores loudly at night

Most initial diagnostic test?
Single most appropriate investigation likely to confirm diagnosis?

A

Most initial - pulse oximetry

Most appropriate to confirm diagnosis - Polysomnography

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7
Q

44 y/o from Mozambique + 6-month hx of progressive SOB on exertion + recently moved to UK a year ago + last CXR shows straightening of left atrial appendage + audible diastolic murmur + 2D echo shows severe reduction of the mitral valve area
What is the single most likely complication associated with this condition?

A. Buerger’s disease
B. Sepsis
C. Pulmonary embolism
D. LVH
E. Cerebral infarction
A

Cerebral infarction

***Rheumatic Fever is the MCC of mitral stenosis. Rheumatic MVD is common in developing countries.
CXR showing straightening of left atrial appendage = LAE which is a complication of mitral stenosis (confirmed by echo)
Mitral stenosis > LAE > AF > VTE > cerebral infarction

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8
Q

Most common cause of mitral valve stenosis?

A

Rheumatic fever

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9
Q

Pathophysiology of mitral stenosis and how it causes RV failure

A

Mitral stenosis > LV filling impeded > LA pressure is increased > pulmonary congestion > decreased cardiac output (prob from decreased stroke volume) > pulmonary vasoconstriction > RV failure

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10
Q

Malar flush on the cheeks + atrial fibrillation + pulmonary rales + loud S1 + diastolic rumble

A

Mitral stenosis

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11
Q

Definitive management for postpartum psychosis

A

ECT - produces a dramatic response

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12
Q

45-year old man + Type 1 DM + with ulcer on his right ankle with agonising burning pain + pain worsened upon walking and during late hours of the night + not well-controlled glucose levels + currently undergoing investigation for DM retinopathy and nephropathy

Most appropriate management for pain?

A

Amitriptyline*
Duloxetine
Gabapentine
Pregabalin

*most preferred as it it cheaper and has simple OD dosing

Remember the mnemonic Away Goes D Neuropathic Pain

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13
Q

What is Away Goes D Neuropathic Pain?

A
Medical treatment indicated for neuropathic pain which include:
Amitriptyine
Gabapentin
Duloxetine
Pregabalin
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14
Q

Sites of hydroxylation of Vitamin D3

A

Liver (2i5er) - 25-hydroxylation

K1dney - 1,25-hyroxylation

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15
Q

72-year old due for a lower anterior resection of the colon due to CRCA

Single most appropriate antibiotic

A

Cefuroxime - cover GP and GN

Metronidazole - covers the anaerobes

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