GCU BIO-201 Exam 2 Question and
answers verified to pass 2025
What are the 5 layers of the skin?
(From deep to superficial) - correct answer ✔Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum (only in palms and soles of feet)
Stratum Corneum
What causes osteoporosis? - correct answer ✔Deficiency of calcium
What hormone is released when CA levels are too high? - correct answer
✔Calcitonin (*Think "can tone it down")
What hormone(s) is released when CA levels are too low? - correct answer
✔Parathyroid & Calcitriol
Whats the difference between Appositional growth & Epiphyseal growth? -
correct answer ✔Appositional grows in width
Epiphyseal grows in length
What do ligament do? - correct answer ✔Attach bone to bone
What do tendons do? - correct answer ✔Attach bone to muscle
What is bone formation called? - correct answer ✔Osteogenesis
, What happens when growing stops? - correct answer ✔Epiphyseal plate
ossifies
What is ossification? - correct answer ✔Hardening
The metatarsophalangeal joint is associated with what small bone? - correct
answer ✔Sesamoid bone (ex Patella)
What part of bone do tendons & ligaments attach to? - correct answer
✔Periosteum
What vessels can be found in Haversian & Volkmann's canals? - correct
answer ✔Artery, Vein, & Lymph
What does the matrix of spongy bone look like? - correct answer ✔Open
network of trabeculae
What is 1/3 of Osseous tissue composed of? - correct answer ✔CA ions
What type of bone cell resides in endosteum? - correct answer ✔Osteoclasts
What are osteocytes? - correct answer ✔Most common cell in bone
Where are osteocytes held? - correct answer ✔In the Lacunae
What is the process when mesenchyme cells differentiate? - correct answer
✔Intramembranous ossification
answers verified to pass 2025
What are the 5 layers of the skin?
(From deep to superficial) - correct answer ✔Stratum basale
Stratum spinosum
Stratum granulosum
Stratum lucidum (only in palms and soles of feet)
Stratum Corneum
What causes osteoporosis? - correct answer ✔Deficiency of calcium
What hormone is released when CA levels are too high? - correct answer
✔Calcitonin (*Think "can tone it down")
What hormone(s) is released when CA levels are too low? - correct answer
✔Parathyroid & Calcitriol
Whats the difference between Appositional growth & Epiphyseal growth? -
correct answer ✔Appositional grows in width
Epiphyseal grows in length
What do ligament do? - correct answer ✔Attach bone to bone
What do tendons do? - correct answer ✔Attach bone to muscle
What is bone formation called? - correct answer ✔Osteogenesis
, What happens when growing stops? - correct answer ✔Epiphyseal plate
ossifies
What is ossification? - correct answer ✔Hardening
The metatarsophalangeal joint is associated with what small bone? - correct
answer ✔Sesamoid bone (ex Patella)
What part of bone do tendons & ligaments attach to? - correct answer
✔Periosteum
What vessels can be found in Haversian & Volkmann's canals? - correct
answer ✔Artery, Vein, & Lymph
What does the matrix of spongy bone look like? - correct answer ✔Open
network of trabeculae
What is 1/3 of Osseous tissue composed of? - correct answer ✔CA ions
What type of bone cell resides in endosteum? - correct answer ✔Osteoclasts
What are osteocytes? - correct answer ✔Most common cell in bone
Where are osteocytes held? - correct answer ✔In the Lacunae
What is the process when mesenchyme cells differentiate? - correct answer
✔Intramembranous ossification
