Study Guide: Bones and Skeletal Tissues (Chapter 6)

Q1. Assign each variety of cartilage (hyaline cartilage, elastic cartilage, and fibrocartilage) to the description of its function.

Background

Topic: Types of Cartilage

This question tests your understanding of the functional properties of the three main types of cartilage found in the human body.

Key Terms:

• Hyaline cartilage

• Elastic cartilage

• Fibrocartilage

Step-by-Step Guidance

1. Read each functional description carefully: maintaining shape with flexibility, resisting compression and providing tensile strength, and providing support with flexibility and resilience.

2. Recall the main locations and roles of each cartilage type in the body (e.g., ear, joints, intervertebral discs).

3. Match each cartilage type to the function based on its structural properties and where it is found in the body.

Try solving on your own before revealing the answer!

Q2. Complete the table by assigning each variety of cartilage (hyaline cartilage, elastic cartilage, and fibrocartilage) to its location in the body.

Background

Topic: Cartilage Locations

This question tests your ability to identify where each type of cartilage is found in the adult skeleton.

Key Terms:

• Hyaline cartilage: most abundant, found in joints, ribs, nose, etc.

• Elastic cartilage: found in structures needing flexibility (ear, epiglottis).

• Fibrocartilage: found in areas needing strength and shock absorption (intervertebral discs, menisci).

Step-by-Step Guidance

1. List the locations given (e.g., ends of bones at joints, external ear, menisci of knee, etc.).

2. Recall which cartilage type is associated with each location based on its properties.

3. Assign the correct cartilage type to each location in the table.

Q3. Explain how cartilage grows (appositional vs. interstitial growth).

Background

Topic: Cartilage Growth Mechanisms

This question tests your understanding of the two main ways cartilage can grow: from within (interstitial) or by adding new layers on the outside (appositional).

Key Terms:

• Appositional growth: new layers added to the surface.

• Interstitial growth: growth from within the tissue.

Step-by-Step Guidance

1. Define both types of growth in your own words.

2. Identify which type involves new cartilage forming inside the tissue and which involves new cartilage forming at the edge.

3. Fill in the blanks with the correct terms.

Try solving on your own before revealing the answer!

Q4. True or False: The hard extracellular matrix of cartilage tissue allows for mitosis.

Background

Topic: Cartilage Structure and Growth

This question checks your understanding of how the structure of cartilage affects its ability to grow and repair.

Key Terms:

• Extracellular matrix

• Mitosis

Step-by-Step Guidance

1. Recall what the extracellular matrix is and its properties in cartilage.

2. Consider whether a hard or flexible matrix would allow for cell division (mitosis).

3. Decide if the statement is true or false, and if false, correct the underlined word.

Q5. Indicate the location of the following structures by assigning the letters (A–H) from the figure.

Background

Topic: Gross Anatomy of Long Bone

This question tests your ability to identify anatomical structures of a long bone using a labeled diagram.

Key Terms:

• Endosteum

• Distal epiphysis

• Articular cartilage

• Spongy bone

• Compact bone

• Yellow bone marrow

• Periosteum

• Diaphysis

Step-by-Step Guidance

1. Review the labeled diagram of the long bone provided.

2. Recall the definition and location of each structure listed above.

3. Match each structure to the correct letter on the diagram.

Q6. Assign each of the zones of an epiphyseal plate to their correct locations.

Background

Topic: Epiphyseal Plate Zones

This question tests your understanding of the different zones in the epiphyseal plate and their roles in bone growth.

Key Terms:

• Resting zone

• Proliferation zone

• Hypertrophic zone

• Calcification zone

• Ossification zone

Step-by-Step Guidance

1. Study the provided histological image of the epiphyseal plate.

2. Recall the function of each zone (e.g., cell division, enlargement, calcification, bone formation).

3. Assign the correct label (A–D) to each zone based on its position and description.

Q7. Assign letters A–D to each of the following conditions represented by the arrows in the femur diagram.

Background

Topic: Mechanical Stress on Bone

This question tests your understanding of how mechanical forces (compression, tension, load, and no stress) are distributed in a long bone such as the femur.

Key Terms:

• Compression

• Tension

• Load application

• No stress

Step-by-Step Guidance

1. Examine the diagram showing the femur and the direction of forces.

2. Recall where compression and tension typically occur in a loaded bone.

3. Assign the correct letter to each condition based on the arrows and their locations.