DNB 41-50 from Surgery MCQ BOOK

Surgery MCQ questions

DNB General Surgery 1-10         Q11-16        Q17-20            21-30 Neurosurgery (in progress)    31-40                sitemap

These questions are from entrance exams in surgery . Similar questions which cannot be found in surgery mcq books are at www.mcqsurgery.com/sitemap . On the sitemap questions are arranged topic wise.


Q 41 Drug causing urinary  bladder carcinoma
A. Cyclophosphamide
B. Cisplatin
C. Taxane
D. Tamoxifen

 Q 42 Viruses causes carcinoma in
A. <5%
B. 5%
C. 10%
D. 15%

Q 43 Imatinib mesylate is  indicated in
A. Carcinoid
C. Lymphoma
D. Adenocarcinoma

Q 44 Pigmented lesion which is suspicious of melanoma of size 1 cm with ulceration and features of ABCD, next step
A. Wide Local Excision  with 1 cm margin
B. Excision biopsy with 1-2 mm margin
C. Punch biopsy at the edge of the lesion
D. Incisional biopsy

Q 45 Synovial sarcoma, true is
A. t(X;18)(p11.2;q11.2) translocation
B. t(X;18)(p12.2;q12.2) translocation
C. t(11;22)(p11.2;q11.2) translocation
D. t(11;22)(p12.2;q12.2) translocation

Q 46 Most common malignant chest wall tumor
A. Chondrosarcoma
B. Osteosarcoma
C. Synovial sarcoma
D. Rhabdomyosarcoma

Q47) Submucosal Cleft soft palate : True is 
A. Velopharyngeal insufficiency
B. Normal feeding
C. Normal Uvula
D. Cleft of hard palate remains attached to the vomer and nasal septum

Q48. Indications for adjuvant radiotherapy in Head &Neck  cancer are all except
A. Multiple LN disease
B. Extranodal involvement
C. Lymphovascular invasion
D. LN>3cm

Q 49 Cause of mortality in Ludwig’s angina
A. Asphyxia
B. Pneumothorax
C. Hemorrhage
D. Sepsis

50) Length of Esophagus (DNB 2018) 
A. 20cm
B. 25cm
C. 30-35cm
D. 40cm

A 41) a Cyclophosphamide


Sabiston page 695
Azathioprine -  Non-Hodgkin lymphoma, squamous cell cancer of the skin, hepatocellular carcinoma,
Cyclophosphamide Cancer of the urinary bladder, leukemia
Chlorambucil Leukemia
Tamoxifen Endometrial cancer
Estrogens (OCP, HRT) Cancer of the breast and endometrium

42) d 15% 
HPV - Cervical cancer is the commonest

HCC - HBC and HCV 

REF Sabiston page 696




44) b

Biopsy of a suspicious skin lesion is necessary. The correct way is to do a full thickness biopsy with 1-2 mm of normal margin.

Depth is important to include dermis and part of subcutaneous tissue for assessing the architecture of the lesion and also for measurement of tumor thickness.

Ref Devita 10th page 1354 

45 A

Ref Devita 1244

46) a

Secondary chest wall tumors from other sites are most common.

Chondrosarcoma is the most common malignant chest wall tumor. It accounts for 20% of all chest wall tumors. 

Radiology shows a poorly defined tumor mass that is destroying cortical bone.

Primary osteosarcomas in the chest account for 10% to 15% of malignant
tumors.  tumor grows rapidly, and radiographic characteristics include a sunburst pattern on CXR.

Ewing sarcoma commonly arises in bones of the pelvis, humerus, or femur of young
men. It is the third most common malignant chest wall tumor
(5% to 10%).
 Radiographic characteristics include an onion peel appearance with periosteal elevation and bony remodeling.

Ref Sabiston 1602

47 a

Question 16 on this page


Indications of post op RT in head and neck tumors

1, Positive margin or less than 5 mm

2. Multiple positive nodes

3. Invasion of soft tissue of neck

4. Endothelial lined space invasion

5. PNI

6. More than 5mm of subglottic invasion

Ref Devita 430

49) a


Ludwig's angina is an inflammatory  condition of the neck which is due to 

  1. Streptococcal infection
  2. Anaerobic infection
  3. Infection of malignancy in the neck

There is brawny swelling of the submandibular region with inflammatory edema of the mouth with halitosis

Edema of the mylohyoid muscle causes the tongue to displaced upwards and backwards causing dysphagia and airway obstruction.

Treatment is broad spectrum antibiotic with anaerobic cover

Surgical incision, if required is curved submental to drain both submandibular triangles and mylohyoid muscle.

Ludwig's Angina
Ludwig's Angina Anatomy from Surgery MCQ book

Ref Bailey page 703

50 b