Irene Gold - General Anatomy Questions and Answers Latest Updated Graded A+.

Irene Gold - General Anatomy Questions and Answers Latest Updated Graded A+. What embryo layer are the gut and respiratory tract derived from? - Correct Answer: Endoderm What are the four subgroups that arise from mesoderm? - Correct Answer: Paraxial Intermediate Head Lateral plate What embryo layer do somites arise from? - Correct Answer: Mesoderm - paraxial What embryo layer are the urogenital system and kidneys derived from? - Correct Answer: Mesoderm - intermediate What embryo layer are the adrenal cortex, blood, lymph, CT, spleen, and CV system derived from? - Correct Answer: Mesoderm - lateral plate What are the two subgroups that arise from ectoderm? - Correct Answer: Surface ectoderm Neuroectoderm What embryo layer gives rise to neural tube and crest? - Correct Answer: Neuroectoderm What embryo layer gives rise to epidermis, anterior pituitary, eye lense, enamel, hair, and nails? - Correct Answer: Surface ectoderm What embryo layer gives rise to posterior pituitary, retina of eye, CNS, and pineal body? - Correct Answer: Neural tube Irene Gold - General Anatomy Questions and Answers Latest Updated Graded A+. What embryo layer gives rise to dorsal root ganglia, ANS, thyroid, and adrenal medulla? - Correct Answer: Neural crest Type of development that involves mesoderm being replaced by cartilage - Correct Answer: Chondrification Which type of ossification forms the clavicle and flat bones of skull? - Correct Answer: Intramembranous/intramedullary Which type of ossification forms all bones except clavicle and flat bones of skull? - Correct Answer: Endochondral Which bone is formed by both intramembranous and endochondral ossification? - Correct Answer: Scapula Type of ossification that involves mesenchymal tissue forming directly into bone - Correct Answer: Intramembranous Type of ossification that involves mesenchymal tissue -> cartilage -> bone - Correct Answer: Endochondral The embryo "mouth" will form what structure? - Correct Answer: Stomodeum The embryo foregut will form what section of GI tract? - Correct Answer: Oral cavity -> first 1/3 of duodenum The embryo midgut will form what section of GI tract? - Correct Answer: Second 2/3 duodenum -> first 2/3 transverse colon The embryo hindgut will form what section of GI tract? - Correct Answer: Second 1/3 transverse colon -> anus In males, the gubernaculum will become? - Correct Answer: Scrotal ligament/gubernacular testis In females, the gubernaculum will become? - Correct Answer: Suspensory ligament of ovary, ovarian ligament, and round ligament What embryo structure gives rise to the thyroid? - Correct Answer: Foramen cecum Limb buds rotate 90 degrees in which direction to form arms? - Correct Answer: Lateral Limb buds rotate 90 degrees in which direction to form legs? - Correct Answer: Medial What body plane does elbow F/E take place within? - Correct Answer: Parasagittal Stage of mitosis: resting - Correct Answer: Interphase Stage of mitosis: nuclear membrane disappears - Correct Answer: Prophase Stage of mitosis: chromosomes align at equator - Correct Answer: Metaphase Stage of mitosis: chromosomes move toward poles - Correct Answer: Anaphase Stage of mitosis: separation of chromosomes - Correct Answer: Telophase Epithelium type that allows for air/fluid diffusion - Correct Answer: Simple squamous Epithelium type used for areas of high friction - Correct Answer: Stratified squamous.