Standard 2.1 Formative Quiz

The part of the skeleton highlighted in blue is the (a)  

• axial
• appendicular

Answer explanation

Answer found in the slide deck posted to Google Classroom: Skeletal System Part I

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Standard 2.1 Beginning/Approaching

Label the parts of a long bone using the words below.

h

g

f

e

a

b

c

d

growth plate

compact bone

top epiphysis

diaphysis

medullary cavity

spongy bone

periosteum

bottom epiphysis

Answer explanation

If this was difficult, you should interact more with the Bone View Game posted on Google Classroom; in the activity "Introduction to the Skeletal System (BIN 20).

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Standard 2.1 Meeting

Attaches muscles to bones

(a)  

• tendons
• cartilage
• ligaments
• muscles

Answer explanation

Tendons attach muscles to bone. Ligaments attach bone to bone.

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Standard 2.3 Beginning

The structural unit of compact bone (a)  

• osteon
• osteocyte
• osteoblast
• osteoclast

Answer explanation

Bone Anatomy Viewer: https://askabiologist.asu.edu/bone-viewer-game/play.html

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Standard 2.3 Approaching

If calcium levels are too high in the blood,

• the parathyroid gland will release calcitonin

• the thyroid will release calcitonin

• the parathyroid will release parathyroid hormone

• the thyroid will release parathyroid hormone

Answer explanation

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Standard 2.1 Meeting

If calcium levels are too low in the blood,

• the parathyroid gland will release calcitonin

• the thyroid will release calcitonin

• the parathyroid will release parathyroid hormone

• the thyroid will release parathyroid hormone

Answer explanation

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Standard 2.1 Meeting

When calcitonin is released, it stimulates ​ (a)   to ​ (b)   blood calcium by ​ (c)   .

• osteoclasts
• remove
• building new bone
• osteoblasts
• destroying old bone
• release

Answer explanation

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Standard 2.1 Meeting

When parathyroid hormone is released, it stimulates ​ (a)   to ​ (b)   blood calcium by ​ (c)   .

• osteoclasts
• release
• destroying old bone
• osteoblasts
• remove
• building new bone

Answer explanation

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Standard 2.1 Meeting

Reorder the following to accurately describe how a fracture heals.

• Callus ossifies - spongy bone forms replacing the cartilage

• Callus forms - new blood vessels grow. Cartilage forms to hold bone pieces together.

• Hematoma forms - blood enters the wound and cells die.

• Compact bone forms - osteoblasts turn spongy bone into compact bone; osteoclasts enlarge medullary cavity

Answer explanation

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Standard 2.1 Exceeding

Which bone is this?

• sternum

• clavical

• scapula

• verteba

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Standard 2.1 Beginning/Approaching