Exam 2: BIO210 / BIO 210 (Latest 2024 / 2025 Update) Anatomy and Physiology for Science Majors I Exam | Questions and Verified Answers | 100% Correct | Grade A - GCU

Exam 2: BIO210 / BIO 210 (Latest Update) Anatomy and Physiology for Science Majors I Exam | Questions and Verified Answers | 100% Correct | Grade A - GCU Question: hypocalcemia Answer: deficiency of calcium in the blood stream, excitability Question: hypercalcemia Answer: excess calcium in the blood stream, sluggishness Question: Calcitriol (Activated Vitamin D) Answer: converted in the kidney to help reabsorb calcium in the blood stream Question: calcitonin Answer: thyroid hormone that lowers calcium levels in the blood stream Question: parathyroid hormone Answer: increases blood calcium levels Question: correcting hypercalcemia Answer: calcitonin is released from the thyroid which reduces osteoclasts and kidney absorption Question: correcting hypocalcemia Answer: PTH is released to stimulate osteoclasts and calcitriol in order to reabsorb calcium in diet Question: osteoporosis Answer: bones become weakened due to loss of estrogen and bone matrix/minerals Question: osteogenesis Answer: bone formation Question: ossification Answer: converts osteoid matrix to bone by calcification Question: intramembranous ossification Answer: occurs in dermis to produce flat bones of skull, face, clavicle Question: intramembranous ossification steps Answer: mesenchymal cells replicate, spicules are projected, trap blood vessels, spongy bone is made and remodeled Question: endochondral ossification Answer: ossifies bone that originates as hyaline cartilage Question: steps of endochondral ossification Answer: chondrocytes die, blood vessels produce compact bone, spongy bone at primary ossification center, medullary cavity is produced and replaces cartilage, capillaries and osteoblasts create a secondary ossification center, epiphyses fill with spongy bone, arti cular cartilage and epiphyseal cartilage