\nBilateral lens subluxation<\/td>\n Marfan\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nBird\u00e2\u20ac\u2122s beak on barium swallow<\/td>\n Achalasia<\/td>\n<\/tr>\n \nBlack-colored urine<\/td>\n Acute intermittent porphyria<\/td>\n<\/tr>\n \nBlack eschars in nose<\/td>\n Mucormycosis<\/td>\n<\/tr>\n \nBone spicules in retina<\/td>\n Retinitis pigmentosa<\/td>\n<\/tr>\n \nBoot-shaped heart on chest radiograph<\/td>\n Tetralogy of Fallot<\/td>\n<\/tr>\n \nBorrelia burgdorferi<\/td>\n Lyme disease<\/td>\n<\/tr>\n \nBouchard\u00e2\u20ac\u2122s, Heberden\u00e2\u20ac\u2122s nodes<\/td>\n Osteoarthritis<\/td>\n<\/tr>\n \nBoutonniere deformity of fingers<\/td>\n Rheumatoid arthritis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nBoxcars under microscope<\/td>\n Anthrax<\/td>\n<\/tr>\n \nBreslow\u00e2\u20ac\u2122s classification<\/td>\n Melanoma<\/td>\n<\/tr>\n \nBrushfield\u00e2\u20ac\u2122s spots<\/td>\n Down\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nBull-neck edema<\/td>\n Diphtheria<\/td>\n<\/tr>\n \nBunch-of-grapes tissue mass<\/td>\n Hydatidiform mole<\/td>\n<\/tr>\n \nBurkolderia cepacia<\/td>\n Cystic fibrosis<\/td>\n<\/tr>\n \nBurr\u00e2\u20ac\u2122s cells (acanthocytosis)<\/td>\n Abetalipoproteinemia<\/td>\n<\/tr>\n \nButterfly rash on face<\/td>\n Lupus<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nButterfly shape of brain mass on MRI<\/td>\n Astrocytoma (glioblastoma)<\/td>\n<\/tr>\n \nButton-hole sign<\/td>\n Neurofibromatosis<\/td>\n<\/tr>\n \nC3 nephritic factor<\/td>\n Membranoproliferative glomerulonephritis<\/td>\n<\/tr>\n \nCaf\u00c3\u00a9-au-lait spots<\/td>\n Neurofibromatosis<\/td>\n<\/tr>\n \nCalf muscle pseudohypertrophy<\/td>\n Duchenne\u00e2\u20ac\u2122s muscular dystrophy<\/td>\n<\/tr>\n \nc-ANCA positive<\/td>\n Wegener\u00e2\u20ac\u2122s granulomatosis<\/td>\n<\/tr>\n \nCandle-drippings tumor<\/td>\n Tuberous sclerosis<\/td>\n<\/tr>\n \nCaput medusae<\/td>\n Portal hypertension<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nChagoma, Romana\u00e2\u20ac\u2122s sign<\/td>\n Chagas disease<\/td>\n<\/tr>\n \nChain-o-lakes duct<\/td>\n Chronic pancreatitis<\/td>\n<\/tr>\n \nCharcot-Leyden crystals<\/td>\n Asthma<\/td>\n<\/tr>\n \nCherry red spot on macula<\/td>\n Tay-Sachs, Niemann-Pick disease<\/td>\n<\/tr>\n \nChinese letter-shaped microbe<\/td>\n Diphtheria<\/td>\n<\/tr>\n \nChipmunk facies<\/td>\n Beta-thalassemia<\/td>\n<\/tr>\n \nChlamydia trachomatis<\/td>\n Lymphogranuloma venereum<\/td>\n<\/tr>\n \nChloride sweat test positive<\/td>\n Cystic fibrosis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nChocolate cysts, powder burn tissue<\/td>\n Endometriosis<\/td>\n<\/tr>\n \nChoreoathetoid movements<\/td>\n Huntington\u00e2\u20ac\u2122s chorea<\/td>\n<\/tr>\n \nChromosome 5 partial deletion<\/td>\n Cri-du-chat<\/td>\n<\/tr>\n \nChvostek\u00e2\u20ac\u2122s sign<\/td>\n Hypocalcemia<\/td>\n<\/tr>\n \nCodman\u00e2\u20ac\u2122s triangle<\/td>\n Osteosarcoma<\/td>\n<\/tr>\n \nCogwheel rigidity<\/td>\n Parkinson\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nComplement (CH50) decreased<\/td>\n Lupus<\/td>\n<\/tr>\n \nCondylomata lata, gummas<\/td>\n Syphilis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nCongenital bicuspid aortic valve<\/td>\n Aortic stenosis<\/td>\n<\/tr>\n \nContinuous machinery murmur<\/td>\n Patent ductus arteriosus<\/td>\n<\/tr>\n \nCooing-seagull murmur<\/td>\n Mitral regurgitation<\/td>\n<\/tr>\n \nCoronary artery aneurysms<\/td>\n Kawasaki\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nCotton-candy lungs<\/td>\n COPD<\/td>\n<\/tr>\n \nCourvoisier\u00e2\u20ac\u2122s sign<\/td>\n Pancreatic cancer<\/td>\n<\/tr>\n \nCowdry type A bodies<\/td>\n Herpes<\/td>\n<\/tr>\n \nCoxiella burnetii<\/td>\n Q fever<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nCrypt abscesses in bowel mucosa<\/td>\n Ulcerative colitis<\/td>\n<\/tr>\n \nCurschmann\u00e2\u20ac\u2122s spirals<\/td>\n asthma<\/td>\n<\/tr>\n \nCystic medial necrosis of aorta<\/td>\n Marfan\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nCystic space in spinal cord<\/td>\n syringomyelia<\/td>\n<\/tr>\n \nDark lung field<\/td>\n pneumothorax<\/td>\n<\/tr>\n \nDelta wave on ECG<\/td>\n Wolff-Parkinson-White<\/td>\n<\/tr>\n \nDoughnut ring in liver on CT<\/td>\n Q fever<\/td>\n<\/tr>\n \nDrusen<\/td>\n Macular degeneration<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nDry eyes and mouth<\/td>\n Sjogren\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nDural tail streak of contrast on CT<\/td>\n Menigioma<\/td>\n<\/tr>\n \nDynein arm in cilia missing<\/td>\n Kartagener\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nE antigen<\/td>\n Hepatitis B<\/td>\n<\/tr>\n \nEaton-Lambert<\/td>\n Small cell lung cancer<\/td>\n<\/tr>\n \nErdrophonium (Tensilon) test positive<\/td>\n Myasthenia gravis<\/td>\n<\/tr>\n \nEggshell calcifications in hilar nodes<\/td>\n sarcoidosis<\/td>\n<\/tr>\n \nElliptical RBCs<\/td>\n Elliptocytosis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nGhon\u00e2\u20ac\u2122s complex<\/td>\n Tuberculosis<\/td>\n<\/tr>\n \nGleason score<\/td>\n Pancreatic cancer<\/td>\n<\/tr>\n \nGluten-caused<\/td>\n Celiac sprue<\/td>\n<\/tr>\n \nGowers\u00e2\u20ac\u2122 sign<\/td>\n Duchenne\u00e2\u20ac\u2122s muscular dystrophy<\/td>\n<\/tr>\n \nGuarnieri\u00e2\u20ac\u2122s bodies<\/td>\n Smallpox<\/td>\n<\/tr>\n \nHalo, crescent signs on chest radiograph<\/td>\n aspergillosis<\/td>\n<\/tr>\n \nHam\u00e2\u20ac\u2122s test positive<\/td>\n Paroxysmal nocturnal hemoglobinuria<\/td>\n<\/tr>\n \nHand-foot syndrome<\/td>\n Sickle cell disease<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nHemoglobin S<\/td>\n Sickle cell disease<\/td>\n<\/tr>\n \nHLA-B27<\/td>\n Ankylosing spondylitis, Reiter\u00e2\u20ac\u2122s<\/td>\n<\/tr>\n \nHLA-B35<\/td>\n De Quervain\u00e2\u20ac\u2122s thyroiditis<\/td>\n<\/tr>\n \nHoman\u00e2\u20ac\u2122s sign<\/td>\n Deep vein thrombosis (DVT)<\/td>\n<\/tr>\n \nHutchinson\u00e2\u20ac\u2122s teeth<\/td>\n syphilis<\/td>\n<\/tr>\n \nHypertrophy of gastric folds<\/td>\n Menetrier\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nHypopyon uveitis (pus in anterior eye)<\/td>\n Behcet\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nIgA in mesangium<\/td>\n Berger\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nIgG in glomerular basement membrane<\/td>\n Goodpasture\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \n\u00e2\u20ac\u0153infant Hercules\u00e2\u20ac\u009d<\/td>\n Congenital hypothyroidism, cretinism<\/td>\n<\/tr>\n \nIrregularly irregular pulse<\/td>\n Atrial fibrillation<\/td>\n<\/tr>\n \nItchy, scaly skin on nipple<\/td>\n Paget\u00e2\u20ac\u2122s disease of breast<\/td>\n<\/tr>\n \nJaneway spots<\/td>\n Bacterial endocarditis<\/td>\n<\/tr>\n \nJarisch-herxheimer reaction<\/td>\n Lyme disease, syphilis<\/td>\n<\/tr>\n \nKernig\u00e2\u20ac\u2122s, brudzinski\u00e2\u20ac\u2122s signs<\/td>\n Bacterial meningitis<\/td>\n<\/tr>\n \nKoplik\u00e2\u20ac\u2122s spots<\/td>\n Measles<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nKussmaul\u00e2\u20ac\u2122s respiration<\/td>\n Diabetic ketoacidosis<\/td>\n<\/tr>\n \nlanugo<\/td>\n Anorexia nervosa<\/td>\n<\/tr>\n \nLarge motor neuron loss<\/td>\n ALS<\/td>\n<\/tr>\n \nLenticonus (anterior conical lens displacement)<\/td>\n Alport\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nLeonine facies<\/td>\n leprosy<\/td>\n<\/tr>\n \nLeukocoria (white pupil)<\/td>\n retinoblastoma<\/td>\n<\/tr>\n \nLewy body<\/td>\n Parkinson\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nLibman-sacks lesions<\/td>\n Lupus<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nLip biopsy<\/td>\n Sjogren\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nLucio\u00e2\u20ac\u2122s phenomenon<\/td>\n Leprosy<\/td>\n<\/tr>\n \nLytic bone lesions in skull<\/td>\n Multiple myeloma<\/td>\n<\/tr>\n \nMcburney\u00e2\u20ac\u2122s point tenderness<\/td>\n appendicitis<\/td>\n<\/tr>\n \nMid to late systolic click<\/td>\n Mitral valve prolapse<\/td>\n<\/tr>\n \nMonoclonal spike-protein electrophoresis<\/td>\n Multiple myeloma<\/td>\n<\/tr>\n \nMoon facies, buffalo hump, striae<\/td>\n Cushing\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nMousy odor<\/td>\n phenylketonuria<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nMultiple aneurysms in arteries<\/td>\n Polyarteritis nodosa<\/td>\n<\/tr>\n \nMultiple bone fractures in infants<\/td>\n Osteogenesis imperfecta<\/td>\n<\/tr>\n \nMurphy\u00e2\u20ac\u2122s sign<\/td>\n Acute cholecystitis<\/td>\n<\/tr>\n \nNegri body<\/td>\n Rabies<\/td>\n<\/tr>\n \nNeurofibrillary tangles, senile plaques<\/td>\n Alzheimer\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nNontender pustular papule with black eschar<\/td>\n anthrax<\/td>\n<\/tr>\n \nNotched ribs, 3 sign on chest radiograph<\/td>\n Coarctation of aorta<\/td>\n<\/tr>\n \nNutmeg liver<\/td>\n Congestive heart failure (CHF)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nObturator sign<\/td>\n Appendicitis<\/td>\n<\/tr>\n \nOmphalomesenteric duct<\/td>\n Meckel\u00e2\u20ac\u2122s diverticula<\/td>\n<\/tr>\n \nOnion-peel tumor on radiograph<\/td>\n Ewing\u00e2\u20ac\u2122s sarcoma<\/td>\n<\/tr>\n \nOsler\u00e2\u20ac\u2122s nodes<\/td>\n Bacterial endocarditis<\/td>\n<\/tr>\n \nOsmotic fragility abnormal<\/td>\n spherocytosis<\/td>\n<\/tr>\n \nPanacinar emphysema<\/td>\n Alpha-1-antitrypsin deficiency<\/td>\n<\/tr>\n \np-ANCA positive<\/td>\n Churg-Strauss disease<\/td>\n<\/tr>\n \nPancoast\u00e2\u20ac\u2122s tumor<\/td>\n Squamous cell lung cancer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nPaul-Bunnell heterophile antibodies<\/td>\n Mononucleosis<\/td>\n<\/tr>\n \nPeaked T waves on ECG<\/td>\n Hyperkalemai, MI<\/td>\n<\/tr>\n \nPebbling of skin<\/td>\n Hunter\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nPericardial friction rub<\/td>\n Acute pericarditis<\/td>\n<\/tr>\n \nPhiladelphia chromosome (t9\/22)<\/td>\n Chronic myelogenous leukemia (CML)<\/td>\n<\/tr>\n \nPipestem fibrosis of liver<\/td>\n Schistosomiasis<\/td>\n<\/tr>\n \nPlasmodium<\/td>\n Malaria<\/td>\n<\/tr>\n \nPlucked-chicken skin<\/td>\n Pseudoxanthoma elasticum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nPodagra, tophi<\/td>\n gout<\/td>\n<\/tr>\n \nPopcorn cells<\/td>\n Hodgkin\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nPretibial myxedema<\/td>\n Hypothyroidism, Hashimoto\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nPsammoma bodies<\/td>\n Papillary thyroid carcinoma<\/td>\n<\/tr>\n \nPsoas sign<\/td>\n Appendicitis<\/td>\n<\/tr>\n \nQ wave on ECG<\/td>\n Myocardial infarction<\/td>\n<\/tr>\n \nRachitic rosary chest<\/td>\n Rickets<\/td>\n<\/tr>\n \nRanke\u00e2\u20ac\u2122s complex<\/td>\n Tuberculosis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nRanson\u00e2\u20ac\u2122s criteria<\/td>\n Acute pancreatitis<\/td>\n<\/tr>\n \nRed, swollen Stensen\u00e2\u20ac\u2122s duct<\/td>\n Mumps<\/td>\n<\/tr>\n \nReed-sternberg cell<\/td>\n Hodgkin\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nRET gene mutations<\/td>\n MEN<\/td>\n<\/tr>\n \nRhodopsin defect<\/td>\n Retinitis pigmentosa<\/td>\n<\/tr>\n \nRice-water stools<\/td>\n Cholera<\/td>\n<\/tr>\n \nRickettsia rickettsii<\/td>\n Rocky mountain spotted fever<\/td>\n<\/tr>\n \nRing hemorrhages in brain<\/td>\n Wernicke\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nRistocetin cofactor<\/td>\n Von Willebrand\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nRose spot rash on trunk<\/td>\n Typhoid fever<\/td>\n<\/tr>\n \nRoth\u00e2\u20ac\u2122s spots<\/td>\n Bacterial endocarditis<\/td>\n<\/tr>\n \nRotten egg smell on belching<\/td>\n Giardiasis<\/td>\n<\/tr>\n \nS1-Q3-T3 on ECG<\/td>\n Pulmonary embolus<\/td>\n<\/tr>\n \n\u00e2\u20ac\u0153safety pin\u00e2\u20ac\u009d under microscopy<\/td>\n plague<\/td>\n<\/tr>\n \nSalty tasting skin<\/td>\n Cystic fibrosis<\/td>\n<\/tr>\n \nSawtooth waves on ECG<\/td>\n Atrial flutter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nScalloped pupils<\/td>\n Familial amyloid polyneuropathy<\/td>\n<\/tr>\n \nSentinel loop on abdominal radiograph<\/td>\n Acute pancreatitis<\/td>\n<\/tr>\n \nSerotonin secretion increased<\/td>\n Carcinoid syndrome<\/td>\n<\/tr>\n \nSezary\u00e2\u20ac\u2122s syndrome<\/td>\n Mycosis fungoides<\/td>\n<\/tr>\n \nSkin crepitus<\/td>\n Gas gangrene<\/td>\n<\/tr>\n \nSkip areas in bowel<\/td>\n Crohn\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nSmall platelet size<\/td>\n Wiskott-Aldrich syndrome<\/td>\n<\/tr>\n \nSmudge cell<\/td>\n Chronic lymphocytic leukemia (CLL)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nSnowstorm on ultrasound<\/td>\n Hydatidiform mole<\/td>\n<\/tr>\n \nSpectrin defects<\/td>\n Elliptocytosis<\/td>\n<\/tr>\n \nStarry sky pattern in lymph nodes<\/td>\n Burkitt\u00e2\u20ac\u2122s\/non-Hodgkin\u00e2\u20ac\u2122s lymphoma<\/td>\n<\/tr>\n \nStrawberry tongue<\/td>\n Toxic shock syndrome, typhoid<\/td>\n<\/tr>\n \nString sign on barium enema<\/td>\n Crohn\u00e2\u20ac\u2122s disease<\/td>\n<\/tr>\n \nSubclavian arteritis<\/td>\n Takayasu\u00e2\u20ac\u2122s arteritis<\/td>\n<\/tr>\n \nSunburst tumor<\/td>\n osteosarcoma<\/td>\n<\/tr>\n \nSwimmer\u00e2\u20ac\u2122s itch<\/td>\n schistosomiasis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nTarget\/bullseye rash<\/td>\n Lyme disease<\/td>\n<\/tr>\n \nTender, pustular papule with black eschar<\/td>\n Tularemia<\/td>\n<\/tr>\n \nTennis racket-shaped organism<\/td>\n Tetanus<\/td>\n<\/tr>\n \nTennis racket shaped structure inside cell<\/td>\n Hand-schuller-christian disease<\/td>\n<\/tr>\n \nTight skin on face, mouth , and eyes<\/td>\n scleroderma<\/td>\n<\/tr>\n \nTinel\u00e2\u20ac\u2122s, Phalen\u00e2\u20ac\u2122s signs<\/td>\n Carpal tunnel<\/td>\n<\/tr>\n \nTranslocation of 11 and 22 chromosomes<\/td>\n Ewings sarcoma<\/td>\n<\/tr>\n \nTreponema pallidum<\/td>\n Syphilis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\nTrisomy 21<\/td>\n Down\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nTrypanosome cruzi<\/td>\n Chagas\u00e2\u20ac\u2122 disease<\/td>\n<\/tr>\n \nTwo paternal 15 chromosomes<\/td>\n Prader-Willi syndrome<\/td>\n<\/tr>\n \nUrease breath test<\/td>\n Peptic ulcer disease<\/td>\n<\/tr>\n \nVanillylmandelic acid (VMA) increased in urine<\/td>\n Neuroblastoma, pheochromocytoma<\/td>\n<\/tr>\n \nWarthin-Finkeldey giant cells<\/td>\n Measles<\/td>\n<\/tr>\n \nWater bottle-shaped heart<\/td>\n Acute pericarditis<\/td>\n<\/tr>\n \nWater-hammer pulse<\/td>\n Aortic regurgitation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n
\n\n\nWire-loop complexes in mesangium<\/td>\n Lupus<\/td>\n<\/tr>\n \n\u00e2\u20ac\u0153worst headache of my life\u00e2\u20ac\u009d<\/td>\n CVA<\/td>\n<\/tr>\n \nXXY chromosomes<\/td>\n Klinefelter\u00e2\u20ac\u2122s syndrome<\/td>\n<\/tr>\n \nYersinia pestis<\/td>\n Plague<\/td>\n<\/tr>\n \nZ deformity of hand<\/td>\n Rheumatoid arthritis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n
The key to do answering USMLE questions during the examination is early and intensive preparation. Unfortunately,a poor score may not reflect on what type of physician an examinee might develop into but a high number of correctly answered USMLE questions will make obtaining a competitive residency easier.<\/p>\n","protected":false},"excerpt":{"rendered":"
USMLE questions can be notoriously “picky”. The United States Medical Licensing Examination is designed to emphasize knowledge of clinical scenarios and clinical pearls, even on Step I. Listed below are some commonly encountered disease findings and characteristics that are often included in USMLE questions .<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[63,11],"tags":[5244,5245,5246,5247],"yoast_head":"\n
USMLE Questions - Characteristic Disease Findings - InsideSurgery Medical Information Blog<\/title>\n \n \n \n \n \n \n \n \n \n \n \n \n\t \n\t \n\t \n