Exam 2

Question 1

Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?

Answer 1

parathyroid hormone

Question 2

Wolff’s law is concerned with __

Answer 2

the thickness and shape of a bone being dependent on stresses placed upon it

Question 3

What controls bone remodeling?

Answer 3

Mechanical stress and hormones

Question 4

The correct order (from start to finish) of fracture repair is

Answer 4

hematoma formation, soft callus formation, bony callus formation, and bone remodeling

Question 5

Your instructor gives you an unknown organ for you to examine and identify through microscopy. What should you do first with the sample?

Answer 5

fix it with preservative

Question 6

the standard preparation of a histological specimen.

Answer 6

Fixed,sectioned and stained

Question 7

Which of the following is a modification of the simple columnar epithelium that allows for efficient absorption along portions of the digestive tract?

Answer 7

Dense microvilli

Question 8

A ciliated version of pseudostratified columnar epithelium containing mucus-secreting goblet cells ____

Answer 8

lines most of the respiratory tract

Question 9

Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as

Answer 9

Endocrine

Question 10

epithelium appears to have two or three layers of cells, but all the cells are in contact with the basement membrane

Answer 10

Pseudostratified columnar

Question 11

Are water-soluble, complex glycoproteins that are secreted by goblet cells.

Answer 11

Mucin

Question 12

Which tissue type consists of a sheet of cells that covers a body surface or lines a body cavity?

Answer 12

epithelial tissue

Question 13

stratified cuboidal?

Answer 13

the cells would be in multiple layer and have a boxlike appearance on the apical surface

Question 14

Squamous cells are _

Answer 14

Flattened

Question 15

Long, cylindrical, multinucleated, striated cells best describe

Answer 15

Skeletal muscle

Question 16

The primary blast cell for cartilage is the​

Answer 16

chondroblast

Question 17

Yellow bone marrow contain a large percentage of

Answer 17

Adipose

Question 18

Most bones formed via intramembrane ossification are

Answer 18

Flat

Question 19

Osteoblasts

Answer 19

Break down bone

Question 21

The fiber that gives connective tissue great tensile strength is

Answer 21

Collagen

Question 22

An epithelial cell that has a central nucleus and is about as tall as it is wide is classified as

Answer 22

Cuboidal

Question 23

During intramembrane ossification, bone develops from

Answer 23

Fibrous connective tissue membrane

Question 24

Skeletal muscle

Answer 24

Long, unbranching, cylindrical cells

Question 25

Smooth muscle

Answer 25

Found in GI tract

Question 26

In which location could elastic cartilage be found

Answer 26

External ear

Question 27

Cartilage

Answer 27

Chondroblast

Question 28

The role of elastic fibers

Answer 28

Provide flexibility and recoil

Question 29

The periosteum is secured to the underlying bone by

Answer 29

Sharpey’s fibers

Question 30

The dermis has two major layers. Which layer constitutes 80% of the dermis

Answer 30

The reticular layer

Question 31

What hormone increases blood calcium levels by activating osteoclasts?

Answer 31

Parathyroid hormone

Question 32

Which cell type is often found scattered throughout simple columnar?

Answer 32

Goblet cells

Question 33

The cells that maintain mature compact bone are

Answer 33

Osteocytes

Question 34

Mesenchymal cells are most commonly found in ———- connective tissue

Answer 34

Embryonic

Question 35

——- epithelium can be found lining the digestive system. It functions to absorb digested nutrients and secrete mucus

Answer 35

Simple columnar

Question 36

What do the sebaceous glands do?

Answer 36

Secrete oil

Question 37

Epithelium layer is found in

Answer 37

Epidermis

Question 38

What produces keratin in the epidermis

Question 39

Layer only present in thick skin

Answer 39

stratum lucidum

Question 40

The dermis is primarily composed of which tissue type?

Answer 40

Dense irregular connective tissue

Question 41

Within the epidermis, cell division would be most common among cells in which layer?

Answer 41

Stratum basale

Question 42

Which skin pigment is made in the skin as a natural defense against UV​ radiation?

Answer 42

Melatonin

Question 43

In what two ways do bones form during embryonic development?

Answer 43

Endochondral and intramembranous ossification

Question 44

The periosteum is composed of two layers, the outer ______ and the inner ______.

Answer 44

fibrous layer; osteogenic layer

Question 45

Which bone-forming cells secrete unmineralized bone matrix?

Answer 45

Osteoblasts

Question 46

What is in the medullary cavity of long bones?

Answer 46

Bone marrow

Question 47

What is the structural unit of compact bone?

Answer 47

Osteon

Question 48

What is the most abundant type of cartilage in the human body?

Answer 48

Hyaline

Question 49

Where is fibrocartilage located?

Answer 49

Pubic symphysis

Question 50

Hairs consist largely of __________.

Answer 50

Dead keratinized cells

Question 51

Which of the following is not a chemical barrier of the skin?

Answer 51

Dendritic cells

Question 52

What is another name for sweat glands?

Answer 52

sudoriferous glands

Question 53

What is the most common cell type in the​ epidermis?

Answer 53

keratinocytes

Question 54

Which of the following is NOT a characteristic of epithelium?

Answer 54

Vascularized

Question 55

Why are adipose​ tissue, blood, and bone all considered to be connective​ tissues?

Answer 55

They have a common​ origin: the embryonic tissue mesenchyme.

Question 57

Smooth muscle​ __________.

Answer 57

is under involuntary control

Question 59

Which of the following is NOT a type of muscle tissue?

Answer 59

Reticular

Question 60

Which statement best describes the serous membrane?

Answer 60

It has a parietal and visceral layer.

Question 61

Cutaneous

Answer 61

Is dry

Question 62

Nervous tissue consists of two major types of cells, known as

Answer 62

Neurons and supporting

Question 63

The cutaneous membrane is _

Answer 63

The skin

Question 64

The principle tissue found in the reticular layer of the dermis is

Answer 64

Dense irregular connective tissue