स्नातकोत्तर मेडिकल प्रवेश (MECEE-PG)
स्नातकोत्तर मेडिकल प्रवेश (MECEE-PG)
MECEE-PG – MD/MS/MDS Entrance · २,८६५ प्रश्न
२,८६५ प्रश्न उपलब्ध। मोड छान्नुहोस्:
MD/MS प्रवेश: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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Which of the following best describes the primary mechanism of action for an antibiotic like metronidazole in treating anaerobic bacterial infections?
सही उत्तर: घ) D) Selective toxicity against anaerobic metabolic pathways
Metronidazole targets anaerobic bacteria by inhibiting their energy metabolism, specifically interfering with the conversion of tetrahydrofolate to dihydrofolate, which is crucial for DNA and RNA synthesis. Options A, B and C describe mechanisms used by other antibiotics that don't specifically address the unique needs of anaerobic organisms.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is the MOST appropriate initial management for a preterm infant diagnosed with pneumatosis intestinalis on abdominal X-ray?
सही उत्तर: क) Initiate broad spectrum intravenous antibiotics immediately
Pneumatosis intestinalis is a serious finding often associated with bowel ischemia. Exploratory laparotomy (option 0) is required to diagnose and treat the underlying cause, unlike the other options which would exacerbate the condition.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What is the primary purpose of performing a 'Kelly Excision' in surgical procedures? (A) To create a watertight closure of the skin edges after incision. (B) To facilitate the healing process by promoting granulation tissue formation. (C) To sterilize the wound margins and prevent infection. (D) To reduce scarring by minimizing tension on the epithelial layer.
सही उत्तर: ग) To sterilize the wound margins and prevent infection.
Kelly Excision involves burying the initial surgical incision within the deep tissues of the skin, essentially creating a sterile, non-adhering wound bed. This process is done to minimize scar tissue formation and promote efficient healing. Option A describes suture closure, B refers to granulation; C refers to antiseptic measures, and D addresses scarring reduction but not the core purpose.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A patient presents with significant rectal bleeding and a palpable mass near the anus. Imaging reveals a large, inflamed sigmoid colon. Which of the following surgical interventions would be most appropriate? (A) Colectomy with anastomosis. (B) Sigmoidectomy. (C) Hemicolectomy. (D) Total colectomy.
सही उत्तर: ख) Sigmoidectomy.
Given the presentation of significant rectal bleeding and a palpable mass along with inflammation of the sigmoid colon, a sigmoidectomy (removal of the sigmoid colon) is the most appropriate surgical intervention to address this condition. This option represents a standard procedure for sigmoid diverticulitis or cancer within that region. The other options represent broader colectomies which are less targeted.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is the most appropriate initial step in managing a patient presenting with acute abdominal pain and suspected small bowel obstruction? (A) Immediate administration of intravenous antibiotics. (B) Urgent surgical exploration of the abdomen under general anesthesia. (C) Focused assessment with directed ultrasound (FAUS) to identify the cause of obstruction. (D) Prompt initiation of nasogastric suctioning to relieve pressure.
सही उत्तर: ग) Focused assessment with directed ultrasound (FAUS) to identify the cause of obstruction.
In suspected small bowel obstruction, focused assessment with directed ultrasound (FAUS) is typically the first step for diagnosis. It helps in identifying the location and cause of the obstruction. Surgical exploration is a later step after confirmation by imaging. Options A and D are not standard initial management.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The surgical procedure known as 'Laparoscopic Cholecystectomy' primarily aims to: (A) Remove the appendix following acute appendicitis. (B) Extract tissue samples for pathological analysis of the stomach. (C) Surgically remove the gallbladder via small incisions using minimally invasive techniques. (D) Repair damage to the esophagus caused by corrosive substances.
सही उत्तर: ग) Surgically remove the gallbladder via small incisions using minimally invasive techniques.
Laparoscopic cholecystectomy involves removing the gallbladder through small incisions and utilizes laparoscopic technology. This accurately reflects the procedure's primary goal. Options A describes an appendectomy, B refers to a biopsy, and D is related to esophagus repair.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is the most accurate description of a 'transient ischemic attack (TIA)'? (A) A permanent neurological deficit resulting from cerebral infarction. (B) Temporary neurological symptoms caused by insufficient blood flow to the brain, resolving within 24 hours. (C) Chronic inflammation of the meninges leading to neurological dysfunction. (D) A rapidly progressing malignant tumor affecting the central nervous system.
सही उत्तर: ख) A permanent neurological deficit resulting from cerebral infarction.
A TIA (Transient Ischemic Attack) is defined as temporary symptoms of stroke due to reduced blood flow to the brain. Option A correctly describes this transient nature and cause. Options B and D are incorrect because a TIA does not last permanently, and it isn't a tumor. Option C describes meningitis.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 2-year-old child presents with a history of recurrent urinary tract infections. Examination reveals a palpable bladder mass. The most appropriate initial investigation is:
सही उत्तर: ख) B) Voiding Cystourethrogram (VCUG)
Option B is correct; a palpable bladder mass in a child with recurrent UTIs strongly suggests vesicoureteral reflux (VUR), which is best diagnosed with a VCUG, which provides dynamic imaging. A urine culture helps guide antibiotic therapy.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 6-month-old infant presents with failure to thrive, developmental delays, and a markedly enlarged liver. Blood tests reveal elevated levels of alpha-fetoprotein. Which condition should be strongly considered?
सही उत्तर: ख) B) Hepatocellular Carcinoma
Option B is correct; the combination of failure to thrive, developmental delays and elevated alpha-fetoprotein strongly suggests hepatocellular carcinoma. SCID typically presents with different immune abnormalities, cystic fibrosis involves pancreatic insufficiency, and Wilson's disease displays copper accumulation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a neonate with suspected congenital adrenal hyperplasia (CAH), which laboratory finding would be MOST indicative of the diagnosis?
सही उत्तर: ग) C) Increased Serum Testosterone Levels
Option C is correct; CAH results from excessive adrenocorticotropic hormone (ACTH), leading to increased testosterone production. Options A and B are associated with other conditions, while D is a finding in uncontrolled diabetes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
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