Pathology

Q: All of the following diseases are caused by trinucleotide repeat mutations affecting non-coding regions except?

(a) :  Fragile X syndrome
(b) :  Myotonic dystrophy
(c) :  Spinocerebellar ataxia
(d) :  Friedreich ataxia
(e) :  None of the above
Answer:  Spinocerebellar ataxia
Explanation:  

Q: Which of the following disease is associated with storage of nonfunctional protein in hepatocytes?

(a) :  Cystic fibrosis
(b) :  alpha 1 antitrypsin deficiency
(c) :  Tay-Sachs disease
(d) :  Familial hypercholesterolemia
(e) :  None of the above
Answer:  alpha 1 antitrypsin deficiency
Explanation:  

Q: All are true regarding desmoid tumours except?

(a) :  Consist of large infiltrative masses that do not metastasize
(b) :  Most frequent in old age
(c) :  Mutations occur in the APC gene
(d) :  Predominantly seen in women
(e) :  None of the above
Answer:  Most frequent in old age
Explanation:  

Q: Part of the respiratory tree not lined by pseudostratified epithelium?

(a) :  Bronchioles
(b) :  Larynx
(c) :  Vocal cords
(d) :  Trachea
(e) :  None of the above
Answer:  Vocal cords
Explanation:  

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