1 Mesoderm, what are the derivatives? Paraxial Intermediate Head Lateral plate - Correct Answer: Paraxial - Somites (31) Intermediate - Urogenital system and kidneys Head - Skull, MM, CT of head, dentine Lateral plate - Adrenal cortex, blood & lymph, spleen spleen and adrenal cortex are from - Correct Answer: mesoderm lateral plate Kidneys are from - Correct Answer: mesoderm intermediate Anterior pituitary and lens of eye are from - Correct Answer: surface ectoderm enamel is from - Correct Answer: surface ectoderm Neuroectoderm consists of - Correct Answer: Neural tube and neural crest cells Post pituitary, retina, CNS and pineal body are from - Correct Answer: Neural tube DRG, ANS, parafollicular cells of thyroid and adrenal medulla are from - Correct Answer: Neural crest stomadium - Correct Answer: mouth General Anatomy (NBCE Part 1) Questions and Correct Answers 2 Gubernaculum becomes what In males: In females: - Correct Answer: Males: scrotal lig (gubernacular testis) Females: Suspensory lig of ovary, ovarian lig and round lig Foramen cecum gives rise to the - Correct Answer: Thyroid (seek the thyroid) Limb bud rotation - Correct Answer: Arms: 90 lateral Legs: 90 medial Example of parasagittal - Correct Answer: Elbow flexion/extension Entire pulm tract: nasal mucosa to terminal bronchiole - Correct Answer: PSCC 4 CT types - Correct Answer: Dense reg - tendons and lig Dense irreg - dermis of skin Elastic - blood vessels Reticular - lymph nodes and spleen Epidermis from sup to deep - Correct Answer: corneum, lucidum (only on plantar surfaces), granulosum, spinosum, germinativum (basal layer) "cows like green soft grass" Dermis sup to deep - Correct Answer: Papillary, reticular, hypodermis (subcutaneous fascia) Extrinsic MM of tongue and innervation - Correct Answer: Palatoglossus - CN10 Styloglossus - CN12 Hyoglossus - CN12 Genioglossus - CN12 All MM ending in glossus inn. by CN12 except palatoglossus 3 Intrinsic MM of tongue - Correct Answer: Longitudinal, tansverse, verticle and of the lingual septum Tast buds of tongue (CAFFF) - Correct Answer: Circumvallate - largest & fewest (ant to sulcus terminalis) Filiform - smallest and most numerous not inv w/ taste Fungiform Foliate - sides of tongue & most sensitive Taste of tongue topography - Correct Answer: sweet -anterior, salty -ant/lat, sour -post/lat, bitter -posterior AkA for tonsils and list the three. Which are AKA adenoids? - Correct Answer: Rings of waldeyer Palatine, lingual & pharyngeal Pharyngeal tonsils in nasoph arynx AKA adenoids Torus Tubaris - Correct Answer: naso -pharynx opening of auditory tube When adenoids swell they can occlude what? - Correct Answer: Torus Tubaris Which M of mastication att to articular disc, and is the only one to open the mouth and protrude jaw? - Correct Answer: Lateral/External pterygoid All MM ending in pharygeus inn. by CN except for - Correct Answer: 10, except for stylopharygeus (9) Contents of ant. cervical triangle - Correct Answer: salivary glands, larynx and thyroid Contents of inf. carotid AKA muscular triangle - Correct Answer: Larynx, trachea, thyroid Contents of carotid triangle (sup carotid) - Correct Answer: carotid A, internal jugular, vagus N 4 Borders of suboccipital triangle - Correct Answer: RCP major, sup oblique, inf oblique Contents of suboccipital triangle - Correct Answer: Suboccipital N (from dorsal rami C1), Vertebral A, and occipital N Cricoid is at what level and what begins at its inf edge - Correct Answer: C6, trachea What level is the thyroid - Correct Answer: C4/C5 Unpaired and paired laryngeal cartilage - Correct Answer: unpaired: Thyroid (C4), Epiglottis, and Cricoid (C6) paired: Arytenoids (att. vocal cords), sternothyroid, thyrohyoid Voice production - Correct Answer: from glottis and vocal folds/cords What are the vocal cords (4) - Correct Answer: PCA - Abd LCA - Add TA - relax/shorten CT - tense/lengthen Sliding hernia is where - Correct Answer: cardiac notch at esophagus I eat very tasty A apples - Correct Answer: 8, 10, 10, 12, 12, 12 Ligaments of the diaphragm (3) - Correct Answer: Median arcuate (Lt & Rt crus), Medial arcuate, Lateral Arcuate Derived from psoas fascia - Correct Answer: Medial arcuate lig of diaphragm