Mcq Subject: Unknown
An elderly diabetic has left sided orbital cellulitis, CT scan of paranasal sinuses shows evidence of left maxillary sinusitis. A Gram-stained smear of the orbital exudates shows irregularly branching septate hyphae. The following is the most likely aetiological agent.
A. Aspergillus
B. Rhizopus
C. Mucor
D. Candida
View DescriptionBezold-Jarisch reflexis apnea followed by rapid breathing, hypotension, and bradycardia and is produced by the receptors located in the
A. Lungs
B. Heart
C. Pluera
D. Brain
View DescriptionSS-A (Ro) and SS-B (LA) antibodies found in Sjogren syndrome are targeted against:
A. DNA topoisomerase 1
B. Histones
C. Ribonucleoproteins
D. Native DNA
View DescriptionGamma – Carboxylation of what requires vitamin k?
A. Glutamine
B. Glutamic Acid
C. Glycine
D. Aspartate
View DescriptionA 50-year-old lady presented with a 3-month history of pain in the lower third of the right thigh. There was no local swelling; tenderness was present under deep pressure. Plain X-rays showed an ill-defined intramedullary lesion with blotchy calcification at the lower end of the right femoral diaphysis, possibly enchondroma or chondrosarcoma. Sections showed a cartilaginous tumor. Which of the following histological features (if seen) would be most helpful to differentiate the two tumors?
A. Focal necrosis and lobulation
B. Tumor permeation between bone trabeclae at periphery
C. Extensive myxoid change
D. High cellularity
View DescriptionThe glomerular filtrate contains all except –
A. HCO.
B. Albumin
C. Glucose
D. Sodium
View DescriptionPollicization is best described as
A. Amputation of thumb
B. Equalization of fingers
C. Toe to thumb transplantation
D. Reconstruction of thumb
View DescriptionRegarding involvement of structures in Weber syndrome all true except:
A. Oculomotor nerve roots
B. Cerebellar peduncles
C. Corticobulbar tracts
D. Cortispinal tract
View DescriptionPrader-Willi syndrome includes the following except-
A. Congenital hypotonia
B. Obesity and hyperphagia
C. Mental retardation
D. Cafe-au-lait spots
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