Week 2 Cells And Tissues

Question 1

What is the primary function of epithelial tissue?

Answer 1

Protective barrier and interface between internal and external environments

Question 2

Where is epithelial tissue commonly found?

Answer 2

Lining hollow organs, body cavities, and ducts

Question 3

What are the two main types of epithelial tissue?

Answer 3

• Surface/Lining epithelial
• Glandular epithelial

Question 4

What characteristic of glandular epithelial cells is notable?

Answer 4

Produce a secretion required by the body

Question 5

What are the key characteristics of epithelial tissue?

Answer 5

• Highly cellular
• Avascular
• Polar appearances
• Underlying basement membrane

Question 6

What type of epithelial cells are classified as Simple Squamous?

Answer 6

1 layer of flat cells

Question 7

Where can Simple Squamous cells be found?

Answer 7

• Inside lungs
• Blood vessels
• Outside of stomach and intestines

Question 8

What is the shape of Simple Cuboidal cells?

Answer 8

Shaped like cubes

Question 9

Where are Simple Cuboidal cells commonly located?

Answer 9

• Salivary glands
• Lung bronchioles
• Mammary glands
• Kidneys

Question 10

What shape do Simple Columnar cells have?

Answer 10

Shaped like columns

Question 11

Where can Simple Columnar cells be found?

Answer 11

• Uterus
• Inside of stomach and intestines
• Uterine tubes

Question 12

What is unique about Pseudo-stratified Columnar epithelial cells?

Answer 12

They appear to be more than 1 layer

Question 13

Where are Pseudo-stratified Columnar cells located?

Answer 13

• Nasal cavity
• Bronchi
• Trachea

Question 14

What does Stratified Squamous epithelial tissue consist of?

Answer 14

More than 1 layer of cells

Question 15

Where can Stratified Squamous epithelial cells be found?

Answer 15

• Mouth
• Oesophagus
• Anus

Question 16

What characterizes Stratified Squamous Keratinised epithelial cells?

Answer 16

Contain keratin and are found in the skin

Question 17

What type of glands contain Stratified Cuboidal epithelial cells?

Answer 17

• Salivary glands
• Sweat glands
• Ovaries

Question 18

Where are Stratified Columnar epithelial cells typically found?

Answer 18

• Mammary glands
• Oesophageal glands

Question 19

What is the defining feature of Transitional epithelial cells?

Answer 19

They can change shapes

Question 20

Where can Transitional epithelial cells be located?

Answer 20

• Ureter
• Bladder
• Urethra

Question 21

What is the function of simple epithelium?

Answer 21

Facilitates transfer of substances

Question 22

Which types of epithelial cells are classified as simple epithelium?

Answer 22

• Squamous
• Cuboidal

Question 23

What is a tissue?

Answer 23

A group of cells that function together to carry out specialised activities.

Question 24

How many different cell types are there in the body?

Answer 24

200 different cell types.

Question 25

What are the four types of cells and tissues in the body?

Answer 25

* Connective Tissue * Epithelial Tissue * Muscle Tissue * Nervous Tissue

Question 26

What are the two interacting components of tissues?

Answer 26

* Cells * Extracellular matrix

Question 27

What is the function of the extracellular matrix?

Answer 27

Provides strength and support.

Question 28

Where are collagen fibers found?

Answer 28

Bone, tendons, and ligaments.

Question 29

What is the function of elastic fibers?

Answer 29

Provides stretchiness.

Question 30

Where are reticular fibers found?

Answer 30

Skeletal and smooth muscle cells, fat cells, and nerve fibers.

Question 31

What is the primary role of connective tissue?

Answer 31

Establishes a structural framework in the body, supports and protects the body and its organs.

Question 32

What are the functions of connective tissue?

Answer 32

* Storing energy reserves as fat * Providing immunity to disease

Question 33

What are the components always found in connective tissue?

Answer 33

* Cells * Fibers * Ground substance (AGS)

Question 34

Where is loose areolar tissue found?

Answer 34

* Skin * Blood Vessels * Internal Organs * Muscles

Question 35

Where is reticular tissue found?

Answer 35

* Lymph nodes * Spleen * Bone Marrow

Question 36

Where is dense regular tissue found?

Answer 36

* Ligaments * Tendons

Question 37

Where is dense irregular tissue found?

Answer 37

* Dermis * Outer coverings of body tubes * Capsule around organs

Question 38

What organelle is involved in protein processing and packaging?

Answer 38

Golgi apparatus

Question 39

What is the function of lysosomes?

Answer 39

Digestive enzymes to break down waste.

Question 40

What is the role of peroxisomes?

Answer 40

Breakdown of fatty acids and detoxification.

Question 41

What is the structure that helps maintain cell shape?

Answer 41

Cytoskeleton

Question 42

Fill in the blank: The _______ is the control center of the cell.

Answer 42

Nucleus

Question 43

What type of epithelial tissue is simple squamous?

Answer 43

Single layer of flat cells.

Question 44

What type of epithelial tissue is stratified squamous?

Answer 44

Multiple layers of flat cells.

Question 45

What is the difference between simple cuboidal and stratified cuboidal epithelium?

Answer 45

Simple cuboidal has a single layer of cube-shaped cells; stratified cuboidal has multiple layers.

Question 46

What is the function of microvilli?

Answer 46

Increase surface area for absorption.

Question 47

What are ribosomes primarily responsible for?

Answer 47

Protein synthesis.

Question 48

Fill in the blank: The _______ is a network of membranes involved in lipid synthesis.

Answer 48

Smooth Endoplasmic Reticulum

Question 49

True or False: Adipose tissue is a type of connective tissue.

Answer 49

True

Question 50

What type of connective tissue is cartilage categorized as?

Answer 50

Dense connective tissue.

Question 51

What is the primary component of bone tissue?

Answer 51

Mineralized matrix.