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1.Paralysis of 3rd, 4th and 6th cranial nerves with involvement of ophthalmic division of trigeminal, localizes the lesion to: A. Cavernous sinus B. Apex of orbit C. Brainstem D. Base of skull Correct answer : A. Cavernous sinus 3,4,5 cranial nerves pass in relation to the lateral wall of cavernous sinus. 6th cranial nerve passes through the cavernous sinus.       2.All of the following are branches of the external carotid artery except: A. Superior thyroid artery B. Anterior Ethmoidal artery C. Occipital artery D. Posterior auricular artery Correct answer : B. Anterior Ethmoidal artery Anterior ethmoidal artery arises from ophthalmic branch of internal carotid artery.       3.In an adult male, on per rectal examination, the following structures can be felt anteriorly except: A. Internal iliac lymph nodes B. Bulb of the penis C. Prostate D. Seminal vesicle when enlarged Correct answer : A. Internal iliac lymph nod...

1.The intricately and prodigiously looped system of veins and arteries that lie on the surface of the epididymis is known as : A. Choroid plexus B. Tuberal plexus C. Pampiniform plexus D. Pectiniform septum Correct answer : C. Pampiniform plexus 2.Infection / inflammation of all of the following causes, enlarged superficial inguinal lymph nodes except : A. Isthmus of uterine tube B. Inferior part of anal canal C. Big toe D. Penile urethra Correct answer : D. Penile urethra Lymphatic drainage of urethra Penile urethra – deep inguinal lymph nodes Prostatic urethra and membranous urethra  - Internal iliac nodes Entire female urethra – Internal iliac nodes     3.While exposing the kidney from behind, all of the following nerves are liable to injury except: A. Lateral cutaneous nerve of thigh B. Ilioinguinal nerve C. Subcostal nerve D. Iliohypogastric nerve Correct answer : A. Lateral cutaneous nerve of thigh Posterior relatio...

1.Which of the following gives rise to the muscular component of dorsal aorta? A. Intermediate mesoderm B. Lateral plate mesoderm C. Axial mesoderm D. Paraxial mesoderm Correct answer :  B. Lateral plate mesoderm Vascular smooth muscle cells are thought to arise from splanchnic layer of paraxial mesoderm. But recent studies have shown that the aortic smooth muscle cells arise from the lateral plate mesoderm. 2.Toynbee’s muscle is? A. Levator ani B. Tensor tympani C. Stapedius D. Scalenus minimus Correct answer :  B. Tensor tympani 3.Deepest layer of scalp is: a) Connective tissue b) Aponeurosis (Epicranial Aponeurosis) c) Loose areolar tissue (Danger area of scalp) d) None of these Correct answer: d) None of these From superficial to deep, the layers of scalp...