NBCE - General Anatomy| 172 QUESTIONS| WITH COMPLETE SOLUTIONS

What structure in the IVD is a remnant of the notochord? CORRECT ANSWERS: Nucleus Pulposis T4 Dermatome is level with what? CORRECT ANSWERS: nipple T10 dermatome is level with what? CORRECT ANSWERS: umbilicus T1-T6 Dorsal Rami CORRECT ANSWERS: medial branches = intrinsic back muscles, then cutaneous, lateral branches = purely motor (erectors) T7-T12 Dorsal Rami CORRECT ANSWERS: medial branches = purely motor (erectors), lateral branches = intrinsic back muscles, then cutaneous What are the abdominal quadrants? CORRECT ANSWERS: RUQ, RLQ, LUQ, LLQ What are the abdominal regions? CORRECT ANSWERS: R/L hypochondriac, RL lumbar, RL iliac, epigastric, umbilical, hypogastric What are the layers of the skin? CORRECT ANSWERS: Basale, spinosum, granulosum, lucidum, corneum (lucidum only found in thick skin) what nerve supplies the T12 dermatome? CORRECT ANSWERS: subcostal n. what 2 nerves supply the L1 dermatome? CORRECT ANSWERS: ilioinguinal, iliohypogastric Where do osteocytes live? CORRECT ANSWERS: lacunae T/F. Haversian canals have a horizontal orientation. CORRECT ANSWERS: false, vertical orientation Volkman's canals CORRECT ANSWERS: perpendicular orientation, connect haversian canals canaliculi CORRECT ANSWERS: gap junctions in bone, provide means for osteocytes to communicate and exchange nutrients endochondral ossification CORRECT ANSWERS: most common, preformed cartilage mold gets turned into bone, primary ossification centers in diaphysis, secondary ossification centers in epiphysis intramembranous ossification CORRECT ANSWERS: starts with a layer of mesenchymal cells, skull, mandible, clavicles osteoprogenitor cells are precursors to what? CORREC