TOPIC 3 - CONNECTIVE TISSUE (INTRODUCTORY)

Question 1

Give the 5 types of connective tissue.

Answer 1

1. Embryonic
2. Connective tissue proper
3. Cartilage
4. Bone
5. Blood

Question 2

It is a type of connective tissue formed during the development of the embryo.

Answer 2

Embryonic connective tissue

Question 3

Sub-divisions of embryonic connective tissue

Answer 3

1. Mesenchyme (in embryos)
2. Mucoid connective tissue (umbilical cord)

Question 4

This embryonic connective tissue develops into the various connective tissues of the body.

Answer 4

Mesenchyme

Question 5

This embryonic connective tissue is a gelatinous substance.

Answer 5

Mucoid connective tissue

Question 6

Which embryonic germ layer is mesenchyme part of?

Answer 6

Embryonic mesoderm

Question 7

What are the functions of connective tissues?

Answer 7

1. Binding and support
2. Protection
3. Insulation
4. Transportation

Question 8

Give the 3 characteristics of connective tissue.

Answer 8

1. Mesenchyme as their common tissue of origin
2. Varying degrees of vascularity
3. Nonliving extracellular matrix, consisting of ground substance and fibers

Question 9

Give the 3 structural elements of connective tissue.

Answer 9

1. Ground substance
2. Fibers
3. Cells

Question 10

This is unstructured material that fills the space between cells.

Answer 10

Ground substance

Question 11

What are the three types of fiber?

Answer 11

1. Collagen
2. Elastic
3. Reticular

Question 12

What is the composition of ground substance of connective tissue?

Note: 3 answers

Answer 12

1. Interstitial fluid
2. Adhesion proteins (fibronectin and laminin)
3. Proteoglycans (glycosaminoglycans)

Question 13

This type of fiber is tough and provides high tensile strength.

Answer 13

Collagen

Question 14

This type of fiber is long and thin that allows for stretching.

Answer 14

Elastic

Question 15

This type of fiber is a branched collagenous fiber that form delicate networks.

Answer 15

Reticular

Question 16

These cells of connective tissue is found in connective tissue proper.

Answer 16

Fibroblasts

Question 17

These cells of connective tissue is found in cartilages.

Answer 17

Chondroblasts

Question 18

These cells of connective tissue is found in bones.

Answer 18

Osteoblasts

Question 19

These cells of connective tissue is found in blood.

Answer 19

Hematopoietic stem cells

Question 20

Give 3 loose connective tissues.

Answer 20

1. Areolar connective tissue
2. Adipose connective tissue
3. Reticular connective tissue

Question 21

This connective tissue proper has a gel-like matrix with all three connective tissue fibers; wraps and cushions organs

Answer 21

Areolar connective tissue

Question 22

This connective tissue proper reserves food stores, insulates against heat loss, and supports and protects;

Answer 22

Adipose connective tissue

Question 23

This connective tissue proper has a loose ground substance with reticular fibers; forms a soft internal skeleton, or stroma that supports other cell type.

Answer 23

Reticular connective tissue

Question 24

This connective tissue proper is found in lymph nodes, bone marrow, and the spleen.

Answer 24

Reticular connective tissue

Question 25

This connective tissue proper is found under skin, around kidneys, within abdomen, and in breasts.

Answer 25

Adipose connective tissue

Question 26

This connective tissue proper is widely distributed throughout the body.

Answer 26

Areolar connective tissue

Question 27

2 types of dense connective tissue

Answer 27

1. Dense regular 2. Dense irregular

Question 28

This type of dense connective tissue has a parallel collagen fibers with a few elastic fibers.

Answer 28

Dense regular

Question 29

The major cell type in dense regular is ?

Answer 29

Fibroblasts

Question 30

Give the 3 locations where you can find dense regular connective tissue.

Answer 30

1. Tendons 2. Ligaments 3. Aponeuroses

Question 31

This type of dense connective tissue is irregularly-arranged collagen fibers with some elastic fibers.

Answer 31

Dense irregular

Question 32

Both dense regular and irregular has fibroblast as its major cell type. True or False?

Answer 32

True

Question 33

DENSE REGULAR: TENSION::DENSE IRREGULAR: ATTACHMENT Correct or wrong?

Answer 33

Wrong, other way around.

Question 34

Give the three locations where you can find dense irregular connective tissue proper.

Answer 34

1. Dermis 2. Submucosa of digestive tract 3. Fibrous organ capsules

Question 35

This type of connective tissue is amorphous, firm matrix with imperceptible network of collagen fibers.

Answer 35

Hyaline cartilage

Question 36

This type of connective tissue is found in embryonic skeleton, the end of long bones, nose, trachea, and larynx.

Answer 36

Hyaline cartilage

Question 37

This connective tissue has the same matrix with hyaline cartilage but less firm with thick collagen fibers.

Answer 37

Fibrocartilage

Question 38

Give the 3 locations of fibrocartilage.

Answer 38

1. Intervertebral discs 2. Pubic symphysis 3. Discs of the knee joint

Question 39

What is the function of fibrocartilage?

Answer 39

Provides tensile strength and absorbs compressive shock

Question 40

This connective tissue has hard, calcified matrix with collagen fibers.

Answer 40

Osseous tissue

Question 41

This connective tissue supports, protect, and provides levers for muscular action.

Answer 41

Osseous tissue

Question 42

This connective tissue stores calcium, minerals, and fat.

Answer 42

Osseous tissue

Question 43

This connective tissue is in a fluid matrix.

Answer 43

Blood

Question 44

Function of blood as connective tissue

Answer 44

Transport of respiratory gases, nutrients, and wastes

Question 45

Location of blood

Answer 45

Blood vessels