Procedimiento aprobado de esterilización del contra-ángulo

B. Wernike’s speech area C. primary visual area D. primary auditory area

(I)13. Above the arcuate line, the aponeurosis of this muscle splits to form the rectus sheath: A. external oblique B . internal oblique C. transversus abdominis D. rectus abdominis

®21. The common boundary between the true and false pelvis is the A. sacroiliac joint

B. symphysis pubis

C. anterior superior spine D. iliopectineal line

®25. Which of the following amino acids is needed by the epidermal melanocytes to produce melanin?

A. valine B. tyrosine C. phenylalanine D. tryptophan

®27. The common sweat gland is structurally classified as A. simple acinar

B. simple tubular

C. simple coiled tubular D. simple branched tubular

®30. The interatrial communication in the fetus through which caval blood is shunted to the left atrium

A. foramen ovale B. fossa ovalis C. ductus venosus D. sinus venosus

®31. It divides the atrium into a sinus venosus and auricle A. atrial septum

B. musculo pectini C. crista terminals

D. tricuspid valve

®33. The visceral pericardium is also called the A. epicardium

B. endocardium C. myocardium

D. fibrous pericardium

®34. Which of the following cardiac tissues has the slowest conduction velocity? A. SA node

B. AV node C. Purkinje fibers

D. ventricular muscle fibers ®35. Valves are present in

A. capillaries

B. medium caliber veins C. lymphatic ducts D. venules

®38. The most active site for hemopoiesis in adults A. femur

B. hip bones C. skull bones D. tibia

®39. T Lymphocyte differentiation occurs in the A. bone marrow

B. lymph node C. thymus

D. bursa equivalent in man

®40 The structure which is NOT composed of lymphoid tissue A. tonsils

B. appendices epiploicae C. lymph node

D. spleen

®41. Which of the following cells are responsible for antibody production? A. lymphocyte

B. macrophage C. monocyte D.plasma cell

®44. The Hassal’s corpuscles of the thymus consist of A. densely packed T-lymphocytes

B. concentric layers of epitheloid reticular cells C. clusters of multinucleated macrophages D. immature blood cells

(I)45. The most active mobile leukocyte of the body A. basophil

B. eosinophil C. neutrophil D. macrophage

®47. The epithelial lining of the pulmonary alveoli A. simple squamous

B. simple columnar

C. stratrified squamous non-keratinized D. pseudostratified columnar ciliated

®53. The motor nerve supply of the diaphragm is derived from A. vagus nerve

B. long thoracic nerve C. thoracodorsal nerve D. phrenic nerve

(A)57. The midgut loop normally herniates through the primitive umbilical ring into the extraembryonic coelom during week 6 of development. Failure of the intestinal loops to return to the abdominal cavity by week 11 results in the formation of

A. omphalocoele B. anal agenesis C. ileal diverticulum D. intestinal stenosis

®59. The pharynx joins with the esophagus at the level of A. C3

B. C4 C. C5 D. C6

®60. The valves of Houston are found in the A. ileocecal junction

B. rectum C. pylorus

D. ascending colon

(A)61. A 40 year old male sustained from a motor vehicular accident resulting to fracture of the 9th _{to the 11}th _{ribs left posterior. He is in hypovolemic shock.The most}

likely organ injured is the A. stomach

B. liver C.spleen D. pancreas

(A)63. A 30 year old female with history of 2 weeks fever developed peritonitis and was diagnosed as Typhoid Fever with perforation. The organ involved is the

A. stomach B. duodenum C. jejunum D. ileum

(I)65. The esophagus is related to which portion of the heart? A. right atrium

B. left atrium C. right ventricle D. left ventricle

®66. The vein of Mayo is the anatomical landmark demarcating the A. esophagus and stomach

B. stomach and duodenum C. duodenum and jejunum D. sigmoid and rectum

®67. The external hemorrhoidal plexus drains into the A. pudendal vein

B. internal iliac vein C. middle rectal vein D. superior rectal vein

®68. Which is closely related to the fundus of the stomach? A. jejunum

B. ileum C. sigmoid D. spleen

®69. The gastro-duodenal artery is a branch of the A. right gastro-epiploic

B. hepatic

C. superior mesenteric D. splenic

®71. As one proceeds outward from the renal medulla, the three separate functional layers of the adrenal cortex, in correct order, are

A. zona reticularis, zona fasciculata then zona glomerulosa B. zona fasciculata, zona reticularis then zona glomerulosa C. zona glomerulosa, zona fasciculata then zona reticularis D. zona glomerulosa, zona reticularis then zona fasciculate

®72. The normal kidney of an average-sized adult man weighs approximately A. 150 gms

B. 300 gms C. 600 gms D. 1,200 gms

®73. The location of the narrowest portion of the ureter A. ureteropelvic junction

B. across the iliac vessels C. ureterovessical junction D. upper third

®75. The main blood supply of the prostate gland is the A. uperior prostatic artery

B. median vesical artery C. inferior vesical artery

D. superior vesical artery

(A)76. A 28 year old man sustained a pelvic fracture due to a motorcycle accident. Which portion of the urethra was most likely injured?

A. prostatic urethra B. membranous urethra C. bulbous urethra D. penile urethra

®77. The motor nerves supplying the urinary bladder come mostly from A. parasympathetic nerves

B. pelvic nerves C. pudendal nerves D. sympathetic nerves

®79. The Darto’s layer beneath the skin of the penis is continuous with the superficial layer of the anterior abdominal wall fascia called the

A. fascia lata B. camper’s fascia C. buck’s fascia D. scarpa’s fascia

®80. The dull whitish connective tissue covering of the ovary is called A. tunica albuginea

B. theca externa C. zona pellucida D. corona radiata

®82. The right ovarian vein drains into the A. right renal vein

B. hypogastric vein C. inferior vena cava D. common iliac vein

®83. Lymphatics from the vulva drain into the A. hypogastric nodes

B. inguinal nodes C.para-aortic nodes D. common iliac nodes

®85. The layer of endometrium that remains to regenerate after menstruation A. compact layer

B. spongy layer C. functional layer D. basal layer

®88. The male homologue of the Gartner’s duct of females A. epididymis

B. inguinal ligament C. gubernaculum testis D. vas deferens

(I)89. Which of the following statements concerning the development of the reproductive system in the female is correct?

A. the clitoris is analogous to the penis B. the urethral folds fail to fuse

C. the urethral folds form the labia minora D.All of the above

®92. Fructose, a source of energy for the spermatozoa, is primarily present in the secretions of

A. seminal vesicle B. epididymis

C. bulbourethral gland D. vas deferens

®97. In which bone is the inner ear located? A. sphenoid

B. temporal C. parietal D. occipital

®98. Regarding the tympanic cavity, which of the following statements is/are true? A. an airfilled space in the petrous portion of the temporal bone

B. communicates with the pharynx via the eustachian tube C. houses the incus, malleus and stapes

D. All of the above

A. superior rectus B. medial rectus C. inferior oblique D. lateral rectus

®100. The inability to focus horizontally or vertically is a problem inherent to the

A. cornea

B. lens

C. vitreous humor D. retina