Connective Tissue Components

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What is the function of osteoblasts in bone formation?

Degrade and reabsorb bone for remodeling
Make and deposit extracellular matrix of bone (correct)
Maintain and turnover of bone matrix
Form a reservoir for calcium and phosphate ions

What is the location of osteocytes in bone tissue?

In the marrow cavities
In the Volkmann's canal
In the Haversian canal
In the lacunae (correct)

What is the function of osteoclasts in bone remodeling?

Maintain and turnover of bone matrix
Store calcium and phosphate ions
Degrade and reabsorb bone for remodeling (correct)
Produce new bone tissue

What is the characteristic of compact bone?

Has a Haversian system with a central Haversian canal (D) Signup and view all the answers

What is the purpose of Volkmann's canal in compact bone?

To connect Haversian canals (B) Signup and view all the answers

What is the difference between red bone marrow and yellow bone marrow?

Red bone marrow is involved in blood cell formation, while yellow bone marrow is composed mostly of adipose tissue (D) Signup and view all the answers

What is the primary function of elastic connective tissue?

To allow tissue to stretch and return to its original size (A) Signup and view all the answers

What is the main component of adipose connective tissue?

Fat cells (adipocytes) (D) Signup and view all the answers

Where is reticular connective tissue typically found?

In the liver and lymph nodes (A) Signup and view all the answers

What is the main function of bone tissue?

To support and protect the body and its vital organs (A) Signup and view all the answers

What is the characteristic of dense white regular connective tissue。

It has parallel thick densely packed bundles of collagen fibers (A) Signup and view all the answers

What is the function of fibroblasts in connective tissue?

To form collagen fibers (A) Signup and view all the answers

What is the characteristic of collagen fibers?

They are thick and do not branch (D) Signup and view all the answers

Which type of leukocytes migrate into connective tissue to defend against bacterial invasion?

All of the above (C) Signup and view all the answers

What is the characteristic of the ground substance in cartilage?

Semifluid (B) Signup and view all the answers

Which type of connective tissue has loose and irregular collagen fibers and is found in the umbilical cord?

Mucous CT (A) Signup and view all the answers

What is the function of loose connective tissue?

It facilitates diffusion and exchange of nutrients and wastes (A) Signup and view all the answers

What is the characteristic of reticular fibers?

They are thin and highly branched (B) Signup and view all the answers

What is the main function of neurons?

To transmit electrical impulses and synthesize neurotransmitters (A) Signup and view all the answers

What is the main function of neuroglia?

To provide support and protection to neurons (B) Signup and view all the answers

What is the structure that surrounds the axon and provides insulation?

Myelin sheath (A) Signup and view all the answers

What type of neuron has a single axon emerging from one side of the cell body and a single dendrite emerging from the other side?

Bipolar neuron (D) Signup and view all the answers

What is the term for the short branches that emerge from the cell body of a neuron?

Dendrites (B) Signup and view all the answers

What is the term for the fatty substance that surrounds the axon and provides insulation?

Myelin sheath (D) Signup and view all the answers

What is the functional unit of a neuron that receives signals from other neurons?

Dendrites (D) Signup and view all the answers

What is the main function of the myelin sheath in a nerve fiber?

To insulate and facilitate the transmission of signals (A) Signup and view all the answers

What is the term for the gap between two segments of myelin sheath in a nerve fiber?

Node of Ranvier (B) Signup and view all the answers

What is the structure that releases acetylcholine into the synaptic cleft to initiate muscle contraction?

Axonal terminal (C) Signup and view all the answers

What is the term for the junction between a neuron and a skeletal muscle fiber?

Motor end plate (A) Signup and view all the answers

What is the purpose of the motor end plate?

To activate skeletal muscle contraction (B) Signup and view all the answers