Anatomy embryology histology videos & books

Correct Answer - A Ans: A. Fluent aphasia Fluent aphasia Lesions in the posterior portion of the left STG were associated with the loss of the ability to comprehend and produce spoken words which are called as “fluent aphasia” BDC 7th edition, volume 4, page no 129.

Correct Answer - D Ans: D. Motor speech Motor speech defect is also called apraxia of speech. Injury to the Broca’s area/left inferior frontal gyrus causes motor speech defect. BDC 7th edition, volume 4, page no 129.

Correct Answer - B Ans: B. IVC Highly oxygenated blood from the placenta is carried to the fetus by the umbilical vein, which is shunted to the inferior vena cava. Nelson Textbook of Pediatrics 20th Edition (Page no 2161)

Correct Answer - C Ans. C. It is derived from the fourth Pharyngeal pouch The thymus is a specialized primary lymphoid organ of the immune system. Within the thymus, T cells or T lymphocytes mature. The thymus is largest and most active during the neonatal and pre- adolescent periods. By the early teens, the thymus begins to atrophy and thymic stroma is mostly replaced by adipose (fat) tissue Thymus is derived from the third pharyngeal pouch

Correct Answer - D Ans- Ans. is 'd' i.e., Right recurrent laryngeal nerve [Ref- BDC 6h/e Vol.l p. 192] Thoracic inlet (superior aperture) The narrow upper end of the thorax, which is continuous with the neck is called the inlet of the thorax' The structure passing through the inlet are : -l. Vkcera:- Trachea, esophagus, apex of lung with pleura, remains of the thymus, thoracic duct.

Correct Answer - A Ans. is 'a' i.e., Middle ear Contents of middle ear Contents of middle ear (tympanic cavity) are :? 1. Ear ossicles Malleus, incus, stapes 2. Muscles →Tensor tympani, stapedius 3. Chorda tympani 4. Tympanic plexus

Correct Answer - D Ans. is 'd' i.e., Profunda femoris Arterial supply of femoral head? 1. Medial circumflex femoral artery (major supply). 2. Lateral circumflex femoral artery. 3. Obturator artery through artery of ligamentum teres. 4. Intramedullary vessels in the femoral neck . Medial and lateral circumflex femoral arteries are branches of profanda femoris artery which in turn is a branch-of femoral artery.

Correct Answer - C Trigone of bladder has following features : 1) Lined by transitional epithelium 2) Mucosa is smooth and firmly adherent 3) Ureters open at lateral angles of base and internal urethral orifice lies at apex. 4) Has Trigonal muscle of bell (smooth muscle layer just beneath mucosa). 5) Derived from absorbed part of mesonephric duct (Wolffian duct).

Correct Answer - B Ans. is 'b' i.e., Median nerve Anterior interosseous nerve is a branch of median nerve.