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