All Subjects Medicine Surgery Pathology Anatomy Pharmacology Social & Preventive Medicine Microbiology Gynaecology & Obstetrics Dental Physiology Biochemistry Pediatrics
Showing 188245 questions
Sort:
127641 Surgery

A 65-year-old male is diagnosed as having prostatic cancer based on transrectal biopsy of a 1 cm palpable nodule. Which of the following statement(s) are true concerning his management?

AIf the tumour is confined within the prostatic capsule, radical prostatectomy is an appropriate option
BIf positive lymph nodes are detected on laparoscopic pelvic lymph node dissection, radical prostatectomy is indicated
CRadical prostatectomy is invariably associated with impotence
DThere is currently no role for orchidectomy in the management of prostatic cancer
Surgery
View Explanation →
127644 Pathology

In a study of patients with non-Hodgkin B cell lymphoma, a nuclear gene is found to be actively transcribed to mRNA and is transported into the cell cytoplasm. A protein is translated from this mRNA, with up-regulation of BCL2. In a control group without lymphoma, translation of the mRNA does not occur. How is the silencing of this active gene’s mRNA most likely to occur?

AAbsence of tRNA
BBinding to miRNA
CMethylation of DNA
DMutation of mRNA
Pathology
View Explanation →