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Clinical MCQs: Set 1 (Questions 1–20) MCQs
MBBS Professional Review: Medicine · MBBS / Medicine · 27 practice questions
- Head and neck - Parotid gland masses
- Endocrinology and paediatric presentations
- Colorectal cancer screening
- Obstetrics - Postpartum haemorrhage management
- Paediatric orthopaedics - Developmental dysplasia of the hip
- Gynaecology - Abnormal uterine bleeding
- Endocrinology - Adrenal crisis
- Paediatrics - Inhaler delivery devices
1. A 3-year-old girl has frequent episodic asthma with persistent nocturnal cough and exercise-induced wheeze. Fluticasone is prescribed. Which delivery method is most appropriate for effective administration in this child?
- AOral suspension
- BMDI with spacer device and mask
- CMetered dose inhaler (MDI) alone
- DBreath-actuated inhaler (Accuhaler)
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B. MDI with spacer device and mask Children of this age cannot use an MDI alone or a breath-actuated device effectively, and fluticasone is not available as an oral suspension; an MDI with spacer and mask is the cheapest effective option for a 3-year-old.
2. A 63-year-old man presents with a 4-month history of an enlarging, mildly uncomfortable swelling in front of the left tragus, now 5cm and of limited mobility. On grinning, the left angle of the mouth moves less than the right, but eye closure is symmetrical. Which is the most likely diagnosis?
- AChronic parotitis
- BPleomorphic adenoma of the superficial lobe
- CWarthin tumour (adenolymphoma)
- DAdenoid cystic parotid carcinoma
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D. Adenoid cystic parotid carcinoma A parotid lump with partial facial nerve palsy is pathognomonic of an infiltrative malignant tumour; benign tumours like pleomorphic adenoma and Warthin tumour displace but do not paralyse the nerve, and chronic parotitis does not cause facial nerve palsy either.
3. A 3-month-old girl born by breech delivery with extended legs is noted to have limited abduction of one hip on examination. Which additional clinical finding, elicited by abducting the flexed hip while applying forward pressure behind the thigh, would most strongly confirm developmental dysplasia of the hip?
- AInequality of leg length
- BInternal femoral version of the hip
- CAsymmetry of groin crease lines
- DA palpable 'jerk' or 'clunk' as the femoral head reduces into the acetabulum
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D. A palpable 'jerk' or 'clunk' as the femoral head reduces into the acetabulum The Ortolani manoeuvre produces an audible/palpable 'jerk' or 'clunk' as the dislocated femoral head reduces into the acetabulum, which is the diagnostic confirmatory sign; the other features are merely suggestive, and internal femoral version is not a recognised sign of DDH.
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