Bio 2024 Exam Verified Answers 2024
Appositional Growth
Increases width of bone
Intersitial Growth
Inceases legth of bone
epiphyseal plate become epiphyseal line
What are the sequence of a fracture?
When you break a bone, bone will form hematoma (blood clot), soft calculus, hard calc...
bio 2024 exam verified answers 2024 appositional g
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Bio 2024 Exam Verified Answers 2024
Appositional Growth
Increases width of bone
Intersitial Growth
Inceases legth of bone
epiphyseal plate become epiphyseal line
What are the sequence of a fracture?
When you break a bone, bone will form hematoma (blood clot), soft calculus, hard calculus, bone
remodel
What is an expensive calcium?
calcotinin
What bone has formen magnum
Occipital bone
What bone has optic canal?
Sphenoid bone
What is special about the inferior nasal concha?
It is its own bone
How many vertebra in each region?
C -7
T - 12
L-5
S-5
C-4
What are thin filaments made up of?
Actin
What are thick filaments are made up of?
myofilaments, dark, bands
light
What binds to troponin?
Calcium
Why is osteoporosis more common in females are menopause?
less estrogen which is basis of Vitamin D
, SEX HORMONES - ESTROGEN AND TESTOSTERONE ARE PRECURSORS FOR VITAMIN D), without
vitamin d you cant absorb calcium, so you absorb calcium in much less quantities; take vitamin d and
calcium to slow down or reverse loss of bone - must do on daily basis
What is osteoporosis?
loss of bone mass
What bones occur for intramembranous ossification?
Flat bones
Endochodral ossification occurs to what bones?
long bones
What is the function of calcium?
Blood clotting
Nervous System
Muscular System
Exocytosis
2nd messenger system
sperm/egg interactions
enzyme cofacto
Imbalance of ca 2+ homeostasis
What is the other name for vitamin D and what is its base? where is it found
calcitriol, found in skin, base is cholesterol.
calcium homeostasis: excess ca2+
calcitonin production
reduses osteoclast activity - less bone absorption
increases - oseteblast activity
calcitonin (produced in thyroid) hormone activated to tone down calcium in blood; osteoblasts
increased, osteoclasts inhibited
calcium homeostasis: deficiency ca2+
parathyroid hormone (produced in parathyroid gland) activated to stimulate osteoclasts to liberate
more calcium, inhibit osteoblast activity
What is vitamin d responsible for?
bringing calcium into body
During resting potential, is it (+) or (-) inside cell?
negative
During resting potential, is it (+) or (-) outside cell?
positve
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