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Bio 161 Psu Exam 5 Questions And Answers With Verified Solutions Already Passed!!!
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Bio 161 Psu Exam 5 Questions And Answers With Verified Solutions Already Passed!!!
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Bio 161 Psu Exam 5 Questions AndAnswers With Verified Solutions Already
Passed!!!
Functions of bone - ANSWER✔✔ 1. Support
- Hold body upright, support muscles and organs
2. Protection
- Enclose important organs
3. Movement
- Provide attachment sites for muscles
4. Electrolyte and Acid/Base Balance
- Stores and releases ions needed by the body
- Stores and release salts to buffer the blood
5. Blood Cell Differentiation
- Location of bone marrow, the main producer of blood cells
Diaphysis (long bone) location - ANSWER✔✔ shaft of a long bone
Epiphysis (long bone) location - ANSWER✔✔ ends of long bones
Medullary cavity location and function - ANSWER✔✔ - cavity within the shaft of
the long bones
- site of bone marrow production
Endosteum (inside) location and what it contains - ANSWER✔✔ - membrane
lining medullary cavity
- contains osteogenic (bone-forming) cells
Periosteum (outside) location and what it contains - ANSWER✔✔ - tough
membrane covering bone
- contains fibrous and osteogenic layers
Articular cartilage location and function - ANSWER✔✔ - covers joint
- reduces friction
Examples of each:
Flat bone
Long bone
, Short bone
Irregular bone - ANSWER✔✔ 1. flat - scapula
2. long - femur
3. short - carpals
4. irregular - vertebrae
Spaces in spongy bone vs compact bone - ANSWER✔✔ spongy has many,
compact has very few
Tissue name for bones - ANSWER✔✔ osseous tissue
Type of matrix in osseous tissue - ANSWER✔✔ solid
Three components of connective tissue - ANSWER✔✔ cells, fiber, and ground
substance
What are the cells in osseous tissue?
What are the fibers in osseous tissue?
What is the ground substance of osseous tissue like? - ANSWER✔✔ - osteocytes
- collagen
- solid and mineralized
What are the cells in cartilage?
What are the fibers in cartilage?
What is the ground substance of cartilage like? - ANSWER✔✔ - chondrocytes
- collagen
- solid and rubbery (not mineralized)
What is the fetal skeleton made of? - ANSWER✔✔ cartilage
What are osteons? - ANSWER✔✔ structural and functional unit of compact bone
The extracellular matrix of connective tissue is composed of which of the
following substances?
A. Fibers only
B. Ground substance only
C. Cytoplasm only
D. Fibers and ground substance
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