Tissue level organization

Question 1

which pigment secreted by specialized cells in the skin is capable of absorbing ultraviolet light

Answer 1

melanin

Question 2

In a skin infection, which cell will take up and process microbial antigens

Answer 2

intraepidermal macrophages

(Langerhans cells)

Question 3

which layer does apoptosis occur

Answer 3

stratum granulosum

Question 4

layers from deepest to most superficial

“brown skin gives lots of color”

Answer 4

stratum basale
stratum spinosum
stratum granulosum
stratum luciderm
stratum corneum

Question 5

These types of cell junctions anchor adjacent cells together and resist their separation during contractile activities

Answer 5

adherens junctions and desmosomes

Question 6

Which epithelial tissue is found lining the kidney glomerulus, and performs blood filtration

Answer 6

simple squamous epithelium

Question 7

Which epithelial tissue forms the most superficial layer of the skin?

Answer 7

keratinized stratified squamous epithelium

Question 8

Which epithelial tissue lines the ducts of sweat glands and oil glands

Answer 8

stratified cuboidal

Question 9

Which epithelial tissue lines most bronchioles and fallopian tubes and moves mucus and oocytes

Answer 9

ciliated simple columnar

Question 10

where would transitional epithelial cells be found

Answer 10

lining of urinary bladder

Question 11

which gland will produce the most viscous secretion

Answer 11

holocrine

Question 13

Which of the following is NOT a primary tissue type?

Answer 13

D. Skeletal

Question 14

Epithelial tissues are primarily involved in which function?

Answer 14

C. Covering surfaces and forming glands

Question 15

What type of epithelial tissue is found in areas of high abrasion, such as the skin?

Answer 15

B. Stratified squamous

Question 16

What is the main characteristic of connective tissue?

Answer 16

B. Extensive extracellular matrix with few cells

Question 17

Which type of muscle tissue is under voluntary control?

Answer 17

C. Skeletal

Skeletal muscle is the only muscle type that is consciously controlled by the somatic nervous system.

Question 18

Which connective tissue fiber provides tensile strength?

Answer 18

B. Collagen fibers

Collagen fibers are the most abundant connective tissue fibers and are known for their high tensile strength.

Question 19

Where is transitional epithelium commonly found?

Answer 19

B. In the urinary bladder

Transitional epithelium is specialized to stretch and is primarily found in the urinary system.

Question 20

What type of gland releases its products by exocytosis without losing cellular material?

Answer 20

C. Merocrine

Merocrine glands secrete their products without any loss of cellular material, unlike apocrine and holocrine glands.

Question 21

Which of the following is a characteristic of nervous tissue?

Answer 21

B. Conducts electrical impulses

Nervous tissue is specialized for communication through electrical signals, essential for the functioning of the nervous system.

Question 22

Which type of connective tissue acts as a reservoir for energy storage?

Answer 22

Adipose tissue

Adipose tissue stores energy in the form of fat.

Question 23

Which epithelial tissue type is specialized for diffusion and filtration?

Answer 23

Simple squamous

Simple squamous epithelium is thin and allows for efficient exchange of materials.

Question 24

The extracellular matrix of connective tissue is composed of:

Answer 24

Fibers and ground substance

The extracellular matrix provides structural and biochemical support to surrounding cells.

Question 25

Which muscle tissue has intercalated discs?

Answer 25

Cardiac muscle ## Footnote Intercalated discs are unique to cardiac muscle and facilitate synchronized contractions.

Question 26

Which connective tissue forms tendons and ligaments?

Answer 26

Dense regular connective tissue ## Footnote Dense regular connective tissue provides strength and resistance to pulling forces.

Question 27

Which cell type is responsible for producing fibers in connective tissue?

Answer 27

Fibroblasts ## Footnote Fibroblasts synthesize collagen and other fibers that provide structure to connective tissues.

Question 28

Which type of epithelial tissue lines the respiratory tract and contains cilia?

Answer 28

Pseudostratified columnar ## Footnote Cilia help to move mucus and trapped particles out of the respiratory tract.

Question 29

What is the primary function of reticular connective tissue?

Answer 29

Form a supportive framework for organs ## Footnote Reticular connective tissue provides a scaffold for cells in organs such as the spleen and lymph nodes.

Question 30

Which layer anchors epithelial tissue to underlying connective tissue?

Answer 30

Basement membrane ## Footnote The basement membrane is a thin, fibrous structure that provides support and regulates the exchange of materials.

Question 31

What type of cartilage is found in the external ear?

Answer 31

Elastic cartilage ## Footnote Elastic cartilage provides flexibility and shape, as seen in the ear.

Question 32

Smooth muscle tissue is found in:

Answer 32

The walls of hollow organs ## Footnote Smooth muscle facilitates involuntary movements in organs like the intestines and blood vessels.

Question 33

Which type of connective tissue provides insulation and cushioning for the body?

Answer 33

Adipose tissue ## Footnote Adipose tissue also serves as an energy reserve.

Question 34

Which epithelial tissue type is most associated with absorption and secretion?

Answer 34

Simple cuboidal ## Footnote Simple cuboidal epithelium is commonly found in glands and kidney tubules.

Question 35

Which connective tissue type contains a gel-like matrix with all three fiber types?

Answer 35

Areolar connective tissue ## Footnote Areolar connective tissue provides elasticity and support to surrounding structures.

Question 36

What is the role of osteocytes in bone tissue?

Answer 36

To maintain bone matrix ## Footnote Osteocytes are mature bone cells that help regulate mineral content.

Question 37

Which type of epithelial tissue is found lining the stomach and intestines?

Answer 37

Simple columnar ## Footnote Simple columnar epithelium is specialized for absorption and secretion in the gastrointestinal tract.

Question 38

What is the function of goblet cells in epithelial tissue?

Answer 38

To secrete mucus ## Footnote Goblet cells are found in various epithelial tissues and help to lubricate and protect surfaces.

Question 39

Which connective tissue type resists tension in multiple directions?

Answer 39

Dense irregular connective tissue ## Footnote Dense irregular connective tissue provides structural strength in areas like the dermis of the skin.

Question 40

Which epithelial tissue type changes shape depending on the organ's volume?

Answer 40

Transitional ## Footnote Transitional epithelium allows for stretching and is found in the bladder.

Question 41

What type of muscle tissue is found in the walls of blood vessels?

Answer 41

Smooth muscle ## Footnote Smooth muscle regulates blood flow and pressure within blood vessels.

Question 42

Which cell type in connective tissue is responsible for immune defense?

Answer 42

Mast cell ## Footnote Mast cells play a crucial role in allergic responses and inflammation.

Question 43

What type of cartilage is found in intervertebral discs?

Answer 43

Fibrocartilage ## Footnote Fibrocartilage provides strength and support while allowing for slight movement between vertebrae.

Question 44

Which type of epithelial tissue lines blood vessels?

Answer 44

Simple squamous ## Footnote Simple squamous epithelium reduces friction and facilitates the exchange of gases and nutrients.

Question 45

What is the main function of dense elastic connective tissue?

Answer 45

Recoil and stretch ## Footnote Dense elastic connective tissue is found in structures that require elasticity, such as the aorta.

Question 46

Which epithelial tissue type has microvilli to increase surface area?

Answer 46

Simple columnar ## Footnote Microvilli enhance absorption in areas like the intestines.

Question 47

Which connective tissue type forms the framework of lymphoid organs?

Answer 47

Reticular connective tissue

Question 48

Which muscle tissue lacks striations?

Answer 48

Smooth muscle

Question 49

Which connective tissue cell type stores fat?

Answer 49

Adipocyte

Question 50

Which epithelial tissue type is found in kidney tubules?

Answer 50

Simple cuboidal

Question 51

Which connective tissue has a liquid matrix?

Answer 51

Blood

Question 52

What is the function of ciliated pseudostratified columnar epithelium?

Answer 52

Secretion and movement of mucus

Question 53

Which tissue type regenerates the fastest?

Answer 53

Epithelial tissue

Question 54

Which type of connective tissue surrounds and cushions organs?

Answer 54

Areolar connective tissue

Question 55

What is the primary cell type found in cartilage?

Answer 55

Chondrocyte

Question 56

Which epithelial tissue type is designed for rapid diffusion of gases?

Answer 56

Simple squamous

Question 57

What structure connects epithelial tissue to the connective tissue below?

Answer 57

Basement membrane

Question 58

Which connective tissue is responsible for forming blood cells?

Answer 58

Bone marrow

Question 59

Which muscle tissue type is involuntary and striated?

Answer 59

Cardiac muscle

Question 60

Which connective tissue provides strength in one direction?

Answer 60

Dense regular connective tissue

Question 61

Which epithelial tissue type is found in sweat gland ducts?

Answer 61

Stratified cuboidal

Question 62

What is the primary role of mast cells in connective tissue?

Answer 62

Release of histamine during inflammation