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Bio 161 Exam 5 Practice Questions And Answers With Verified Solutions Already Passed Latest Updated 2025 $14.49
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Bio 161 Exam 5 Practice Questions And Answers With Verified Solutions Already Passed Latest Updated 2025
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Bio 161 Exam 5 Practice Questions And Answers With Verified Solutions Already Passed Latest Updated 2025

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  • December 10, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • Bio 161 psu
  • Bio 161 psu

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Bio 161 Exam 5 Practice Questions And
Answers With Verified Solutions Already
Passed Latest Updated 2025
Osteoprogenitor (osteogenic) - ANSWER✔✔ produces all other cells of bone
formation

Osteoblast - ANSWER✔✔ makes new bone tissue (construction)

Osteocyte - ANSWER✔✔ regulates existing bone (maintenance)

Osteoclast - ANSWER✔✔ erodes and recycle bone matrix (destruction)

osteon - ANSWER✔✔ structural unit of compact bone

lamellar plates - ANSWER✔✔ circular layers or rings of bone tissue

Haversian (central) canal - ANSWER✔✔ location of blood vessels and nervous
tissue

Volkmann's canal - ANSWER✔✔ allows connection of Haversian (central) canals

Lacunae - ANSWER✔✔ empty spaces within the matrix that house bone cells

canaliculi - ANSWER✔✔ connections between bone cells

Which of the following ions important for physiological function is regulated
(stored and released) by the skeletal system? - ANSWER✔✔ Calcium

The skull is a part of the ______________________ skeleton. - ANSWER✔✔
axial

Increased force on bones will result in an increase in bone matrix production. -
ANSWER✔✔ True

(Force will activate osteocytes, ultimately leading to increased bone remodeling
and deposition of matrix.)

, Lined with endosteum - ANSWER✔✔ Structure 2
medullary cavity

Fibrous outer layer of a bone - ANSWER✔✔ Structure 3
periosteum

Matrix tissue that lacks central canals - ANSWER✔✔ Structure 9

Small opening in matrix that helps to connect neighboring osteocytes -
ANSWER✔✔ Structure 11
lacunae

The structural unit of compact bone - ANSWER✔✔ Structure 1
osteon

A disease that decreases the amount of organic material in the matrix will result in
which of the following symptoms? - ANSWER✔✔ Brittle bones

Which sample was likely taken from a astronaut that traveled to space AND chose
to participate in daily weight-bearing exercises while in low gravity. -
ANSWER✔✔ Middle sample

(The far left sample is the "control" sample of the astronaut that trained on Earth.
The middle sample is less dense that then control but more dense than the third
sample. This would likely be from an astronaut that attemped weight-bearing
exercises in low gravity to help maintain some of his/her bone density.
The far right sample is likely from an astronaut that chose not to participate in
weight bearing exercises in low gravity, so he/she faced the greatest lost of bone
density.)

Resting zone - ANSWER✔✔ inactive zone of epiphyseal plate

Proliferation zone - ANSWER✔✔ zone of high levels of cell division (mitosis)

Hypertrophic zone - ANSWER✔✔ chondrocytes enlarge and create spaces in
matrix

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