Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
DIT embryo quickquiz
| Question | Answer |
|---|---|
| supplies oxygenated blood to the fetus | umbilical vein |
| removes ntrogenous waste from the fetal bladder | urachal duct |
| fetal placental structure that secretes hCG | syncticiotrophoblast |
| maternal component of the placenta | decidua basalis |
| returns deoxygenated bllod from the fetal internal iliac arteries | umbilical arteries (2) |
| ascending aorta and pulmonary trunk = | truncus arteriosus |
| coronary sinus = | L horn of the sinus venosus |
| SVC = | R common and ant cardinal vv |
| smooth parts of the left and right ventricle = | bulbis cordis |
| smooth part of the RA = | R hort of the sinus venosis |
| trabeculated left and right atrium = | primitive atria |
| trabeculated parts of the L and right ventricle = | primitive ventricle |
| what structure divides the truncus arteriosus into the aortic and pulmonary trunks | aorticopulmonary septum aka spiral septum |
| what is the cellular origin of the aorticopulmonary septum | neural crest cells |
| what is the order of fetal erythropoiesis | yolk sac, liver, spleen, bone marrow |
| which bones in adults synthesize RBCs | Ribs, Pelvis, Vertebra, skull, Sternum (tibia, femur) |
| Which fetal vessel has the highest oxygenation? | umbilical v. |
| derived from the 3rd aortic arch | common carotid/prox. ICA |
| derived from the 4th aortic arch | L aortic arch, R proximal R subclavian |
| derived from the 6th aortic arch | prox pulm a, L ductus arteriosus |
| a/w maternial lithium use | ebstein's anomaly |
| tricuspid leaflets are displaced into RV, hypoplastic RV, tricuspid regurg/stenosis, dilated RA | ebstein's anomaly |
| 45 yo male presents with high BP in arms, but no palpable pulses in feet | coarctation of the aorta - postductal (after lig arteriosum |
| blood flow through a PDA | originally R to L (PA to aorta); as lung resistance decreases it becomes L to R (aorta to PA) |
| chromosome 22q11 | truncus arteriosus, tetralogy of fallot |
| down syndrome | endocardial cushion defects (ASD, VSD...) |
| congenital rubella | septal defects, PDA, PA stenosis |
| turner's syndrome | preductal coarctation of the aorta |
| marfan's syndrome | aortic insufficiency |
| What problems are offspring of diabetic mothers at higher risk for? | big babies, caudal regression syndrome, transposition of GV, clavicle fractures, E/D palsy, shoulder issues, failure to progress |
| monozygotic twins. One is pale w/ Hct of 15%, the other is flushed with Hct of 55%. Que paso? | twin/twin transfusion syndrome |
| Cleft-lip = what failed embryonic process? | fusion of the maxillary and medial nasal plate |
| What nerve innervates branchial arch 1 | CN V2/V3 |
| what innervates branchial arch 2 | VII |
| what innervates branchial arch 3 | IX |
| what innervates branchial arch 4 | X |
| what structures are derived from branchial arches? | cartilage and muscle |
| middle ear and eustachian tubes are derived from | BP1 |
| superior parathyroids are derived from | BP4 |
| inferior parathyroids are derived from | BP3(dorsal) |
| epithelial lining of the palantine tonsil is derived from | BP2 |
| thymus is derived from | BP3(ventral) |
| taste in ant 2/3 of tongue | CNVII |
| taste in post 1/3 of tongue | CNIX |
| motor of tongue | CNXII |
| sensation in ant 2/3 of tongue | CNV3 |
| sensation in post 1/3 of tongue | CNIX |
| abnormalities found with an arnold-chiari malformation? | syringomyelia, thoracolumbar myelomenigocoele, hydrocoele |
| classic presenting sx of a syringomyelia | cape like, bilateral l/o pain and temp sensation in upper extremities with preservation of touch sensation + weakness/atrophy of hand mm |
| lateral, doesn't move when swallowing | branchial cleft cyst |
| midline, moves w/ swallowing | thyroglossal duct cyst. |
Created by:
kayjames
Popular USMLE sets