Mcq Subject: Unknown
All of the following statements about keloids are true except:
A. A keloid does not regress spontaneously
B. A keloid extends beyond the boundaries of the original wound.
C. Keloids or hypertrophic scars are best managed by excision and careful reapproximation of the wound
D. Keloid tissue contains an abnormally large amount of collagen
View DescriptionWhich of the following bacteria is associated with bright red fluorescence under UV light?
A. Prevotella melaninogenica
B. Porphyromonas gingivalis
C. Pseudomonas pyocyanea
D. Yersinia pestis
View DescriptionRate limiting enzyme in bile acid synthesis –
A. Desmolase
B. 21a-hydroxylase
C. 7a-hydroxylase
D. 12a-hydroxylase
View DescriptionIn a child with respiratory distress, failure to thrive. His sweat chloride levels were estimated at 35 meq/L and 41 meq/L. What is next best test to do cystic fibrosis for diagnosis –
A. Nasal transmembrane potential difference
B. DNA analysis AF 508 mutation
C. CT chest
D. 72-hour fecal fat estimation
View DescriptionWhich receptors are blocked in Myasthenia Gravis.
A. Ach receptors
B. Calcium receptors
C. Sodium receptors
D. Opioid receptors
View DescriptionWhich of the following liver disorders is a compli¬cation associated with oral contraceptives?
A. Drug-induced hepatitis with fatty change
B. Cholangiocarcinoma
C. Cavernous hemangiomas
D. Intrahepatic cholestasis
View DescriptionWhich of the following statements is not true for contact ulcer ?
A. The commonest site is the junction of anterior l/3rd and middle l/3rd of vocal cord and gastroesophageal reflux is the causative factor.
B. Can be caused by intubation injury.
C. The vocal process is the site and is caused/aggravated by acid reflux.
D. Can be caused by adductor dysphonia.
View DescriptionThe characteristic lesion of atherosclerosis is –
A. Fibrinoid necrosis of the media
B. Giant cell reaction in the retina and internal elastic lamina
C. Organised thrombus in the affected segment
D. 'Fibro-fatty' lesion in the intima of the blood vessel
View DescriptionA 85-year-old male patient has been suffering from progressive memory loss over the last two years. She also needs help with her daily activities. MRI revealed diffuse coical and hippocampal atrophy in this patient. HPE in such conditions demonstrates the following findings. Which of the following drug used in the treatment of the above condition does not act by increasing acetyl choline levels in nucleus basalis of meyne?
A. Rivastigmine
B. Donepezil
C. Memantine
D. Tacrine
View DescriptionDisease shown in this PFT is best characterized by
A. Low lung volumes
B. A decrease in the l-second forced expiratory volume-forced vital capacity (FEV1/FVC) ratio
C. An increased vital capacity (VC)
D. A decreased diffusing capacity DLCO)
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