Connective tissue

Which of the following cells is responsible for the storage and release of histamine and other inflammatory substances?

A. Mast cells

What is the function of elastic connective tissue?

Answer: A. Allows stretching of various organs

What are eosinophils?

Answer: Eosinophils are white blood cells.

What are Neutrophils?

Answer: b) White blood cells

Which of the following is a resident cell found in connective tissue?

C. Fibroblasts

What is the main category of tissue that includes "proper," "loose," and "dense" types?

Connective tissue

What types of cells can be found in this substance?

Fibroblasts, macrophages, mast cells.

What are some functions of adipose tissue?

Answer: Thermal insulation, heat production, protective cushion, shaping body

Where do Neutrophils migrate to?

Answer: a) Sites of inflammation

What are the two types of cells found in connective tissue?

B. Resident cells and transient cells

What is the tensile strength of collagen fibers?

Collagen fibers have great tensile strength and can resist stretching.

What are connective tissue fibers made of?

Connective tissue fibers are made of the protein collagen.

What is the function of this substance?

Loosely binds epithelia to deeper tissues, provides strength, elasticity, and support.

What are the functions of connective tissue?

A. Binding of organs, support, physical protection, immune protection, movement, storage, heat production, and transport.

Which of the following cells is responsible for the production of mucus?

A. Eosinophils B. Monocytes C. Lymphocytes D. None of the above Answer: D (none of the above)

What do plasma cells secrete?

A: Antibodies

What type of cells do plasma cells develop from?

A: B lymphocytes

What is the function of the antibodies secreted by plasma cells?

A: To attack and neutralize foreign substances.

What is an adipocyte?

Answer: A cell that stores fat

What is the role of fibers and ground substance secreted by fibroblasts?

Answer: A) To provide structural support.

Why is elastic connective tissue considered strong?

Answer: A. Because it can maintain its original shape

Which organs in the body have elastic connective tissue?

Answer: A. Lungs

What is the function of elastic arteries?

Answer: A. To help maintain blood flow

What occupies most of the space in adipose tissue?

Answer: Adipocytes

What are adipocytes?

Answer: Adipocytes are fat cells that store fats.

Where are adipocytes found in the body?

Answer: Adipocytes are found below the skin and around organs such as the heart and kidney.

Are adipocytes present only in specific parts of the body?

Answer: Adipocytes are present in different parts of the body such as below the skin and around organs.

What are fibroblasts?

Answer: B) Large flat cells

What is connective tissue?

Answer: B. A type of tissue in which cells occupy less space than the extracellular material.

Do cells in a connective tissue typically have direct contact with each other?

Answer: B. No, most cells of a connective tissue are not in direct contact with each other.

How many categories do mature connective tissues fall into?

Answer: B. Three - fibrous connective tissue, supportive connective tissue (cartilage and bone), and fluid connective tissue (blood).

Are connective tissues abundant in the body?

Answer: B. Yes, they are the most abundant and widely distributed tissues in the body.

How are the collagen fibers arranged in this tissue?

Answer: Bundles of collagen fibers are regularly arranged in parallel patterns for strength.

What is the main component of dense irregular connective tissue?

Answer: Bundles of collagen fibers.

How do fibroblasts move through connective tissue?

Answer: C) By gliding

What is the function of fibroblasts in connective tissue?

Answer: C) They secrete fibers and ground substance

How are collagen fibers arranged in dense irregular connective tissue?

Answer: Collagen fibers are usually irregularly arranged.

What are the three main components of this tissue?

Answer: Collagen fibers, ground substance, and fibroblast nuclei.

What is the name of the tissue being discussed?

Answer: Dense Regular Connective Tissue.

What is the main function of adipose tissue?

Answer: Energy storage

What is the color of eosinophils?

Answer: Eosinophils are white blood cells and do not have a specific color.

Can eosinophils respond to viral infections?

Answer: Eosinophils do not typically respond to viral infections, but they can be elevated in some viral infections.

In which situations do eosinophils migrate?

Answer: Eosinophils migrate to sites of parasitic infection and allergic responses.

What do eosinophils do?

Answer: Eosinophils migrate to sites of parasitic infection and allergic responses.

Can adipocytes be harmful to the body?

Answer: Excessive amounts of adipocytes can be harmful to the body as it can lead to obesity and related health issues.

What can be found in dense irregular connective tissue besides collagen fibers?

Answer: Gland ducts and fibroblast nuclei.

What is the role of histamine produced by Mast cells?

Answer: Histamine produced by Mast cells dilates small blood vessels during inflammation and kills bacteria.

Where can dense irregular connective tissue be found in the body?

Answer: In areas where pulling forces are exerted in many directions, such as the dermis of skin, muscles, heart, etc.

Where is lipid stored in an adipocyte?

Answer: Inside the cell

What are the different states of connective tissue ground substance?

Answer: It can be in fluid, semifluid, gelatinous, or calcified state.

What is connective tissue ground substance?

Answer: It is a substance that lies between cells and fibers in the connective tissue.

What is connective tissue ground substance composed of?

Answer: It is composed chiefly of a group of glycoproteins.

What is the function of reticular tissue?

Answer: It serves as a supportive framework for lymphatic organs.

What are the functions of connective tissue ground substance?

Answer: It supports and binds cells, stores water, and allows exchange between blood and cells.

What is the function of leukocytes in reticular tissue?

Answer: Leukocytes help in filtering and removing worn-out blood cells in the spleen.

What is the function of ligaments?

Answer: Ligaments tightly bind bones together and resist stress.

What are Mast cells?

Answer: Mast cells are cells that are abundant along blood vessels.

Where are Mast cells found?

Answer: Mast cells are found along blood vessels.

What is the function of Mast cells?

Answer: Mast cells produce histamine, which dilates small blood vessels during inflammation and kills bacteria.

How do Mast cells kill bacteria?

Answer: Mast cells produce histamine, which is toxic to bacteria and kills them.

Do eosinophils attack healthy tissues?

Answer: No, eosinophils do not attack healthy tissues. Their role is to target parasites and participate in allergic reactions.

Does this tissue have many blood vessels?

Answer: No, it has few blood vessels.

What is the role of reticular fibers?

Answer: Reticular fibers make up the meshwork of the reticular tissue.

What is the composition of reticular tissue?

Answer: Reticular tissue is composed of a mesh of reticular fibers and fibroblasts, with the space between the fibers filled with blood cells.

What are two examples of structures that are made up of this tissue?

Answer: Tendons and ligaments.

What is the function of tendons?

Answer: Tendons attach muscle to bone and move the bones when the muscles contract.

What is the function of adipocytes?

Answer: The function of adipocytes is to store fats.

What is the function of eosinophils?

Answer: The function of eosinophils is to combat parasitic infections and respond to allergic reactions.

What is the function of dense irregular connective tissue?

Answer: To be hard to tear and withstand stresses applied in unpredictable directions.

What is the function of the nucleus in an adipocyte?

Answer: To regulate cell function and control gene expression

What is the role of blood vessels in adipose tissue?

Answer: To supply nutrients and remove waste products

Are eosinophils involved in the immune system?

Answer: Yes, eosinophils are a component of the immune system.

What is the primary function of Neutrophils?

Answer: b) Fighting off infections

How do Neutrophils destroy microbes?

Answer: c) By phagocytosis

What is the role of Neutrophils in the immune system?

Answer: c) To fight off infections.

What is the most widely distributed part of the body that contains this substance?

Blood vessels, nerves, etc.

Which of the following cells is responsible for phagocytosis (engulfing and digesting foreign substances)?

C. Macrophages

Which of the following cells is responsible for the production of antibodies?

C. Plasma cells

What is the difference between resident cells and transient cells?

C. Resident cells are permanent, while transient cells are temporary.

What is the most abundant type of connective tissue fiber?

Collagen fibers are the most abundant type of connective tissue fiber.

How do collagen fibers typically appear?

Collagen fibers typically appear as bundles that are non-branching and parallel.

What are the three types of fibers found in this substance?

Collagen, elastic, reticular fibers.

Which of the following is a transient cell found in connective tissue?

D. Neutrophils

What are elastic fibers made of?

Elastic fibers are made of the protein elastin.

What is the response of elastic fibers to stretch and distension?

Elastic fibers respond to stretch and distension with elasticity, particularly in blood vessels and lungs.

How do elastic fibers typically appear?

Elastic fibers typically appear as single fibers that are branching.

Which type of fiber provides elasticity to this substance?

Elastic fibers.

what are the components of fibrous connective tissue?

Fibroblasts Macrophage (produce fibers) Leukocytes Plasma cells (secrete antibodies) Mast cells (secrete heparin and histamine) Adipocytes Collagen fibers Reticular fibers Elastic fibers Ground substance

What cells do macrophages develop from?

Monocytes.

What are reticular fibers made of?

Reticular fibers are made of collagen and glycoprotein.

What do reticular fibers form?

Reticular fibers form a network and serve as a supporting framework for organs such as the liver and spleen.

How do macrophages destroy bacteria and cell debris?

Through phagocytosis.

What is the function of macrophages?

To destroy bacteria and cell debris.

What are the different types of loose connective tissue?

areolar adipose reticular

What are the different types of bone tissue?

compact and spongy

What are the different types of connective tissue?

connective tissue proper, cartilage, bone, blood

What are the different types of cartilage?

hyaline, elastic, fibrocartilage

What are the different types of connective tissue proper?

loose dense

What are the different types of dense connective tissue?

regular irregular elastic