Unit 5

Question 1

______________ is the anterior side, ________________ is the posterior side.

Answer 1

Ventral, Dorsal

Question 2

All descriptions of the body begin with the assumption that it is in the _____________ position.

Answer 2

Anatomical

Question 3

Although its main function is protection, ____________ epithelium also serves a secretory function by lining the larger ducts of most exocrine glands.

Answer 3

Pseudostratified columnar

Question 4

The term ‘medial’ refers to a position on the body that is

Answer 4

closer to the midline

Question 5

Looking at a microscopic slide, you see a sheet of tissue one layer thick, lining a open space. The tissue must be

Answer 5

a simple epithelium

Question 6

Which structures may be composed of either elastic or dense regular connective tissues?

Answer 6

One or more of the above

Question 7

Nervous tissue cells that play supportive roles rather than transmitting signals are called:

Answer 7

Glial cells

Question 8

The germ (reproductive) layer of the skin is in the ____________.

Answer 8

Stratum basale

Question 9

The outermost layer of the skin is composed of

Answer 9

Stratified squamous epithelium.

Question 10

What function do the fibroblasts serve in connective tissue?

Answer 10

Secrete proteins that become fibers in the connective tissue?

Question 11

What type of cell would you suspect to be most common in areolar tissue?

Answer 11

fibroblasts

Question 12

The knees are _________ to the head.

Answer 12

Inferiors

Question 13

Which muscle tissue is multinucleate, voluntary, and bears striations?

Answer 13

Skeletal tissue

Question 14

Melanoma is most likely to arise from what type of cell?

Answer 14

Melanocytes

Question 15

A band of dense regular connective tissue that connect two bones could be best described as _____________.

Answer 15

a ligament

Question 16

Which of the following are characteristics of cardiac muscle that distinguish it from the skeletal muscle? (There may be more than one answer)

Answer 16

Cardiac muscle is involuntary and Cardiac muscle is composed of cells with a single nucleus

Question 17

Connective tissue is complex because it has a variety of cells and a noncellular background called ________________ surrounding them.

Answer 17

Ground substance

Question 18

The cells that directly and specifically secrete mucous are called _______________ cells.

Answer 18

Goblet

Question 19

The types of cartilage found in intervertebral disks of the spinal column is:

Answer 19

Fibrocartilage

Question 20

Epithelial tissue is characterized by each of the following traits except:

Answer 20

epithelial cells are loosely packed and have much intercellular material.

Question 21

Which connective tissue is the least vascular?

Answer 21

Cartilage

Question 22

Melanocytes are found in:

Answer 22

Deeper layers of the epidermis

Question 23

The pigment that helps protect the deepest layer of the epidermis and dermis is called _________________

Answer 23

Melanin

Question 24

Sensory fibers are located in the:

Answer 24

Dermis

Question 25

The ____________ separates the epidermis and the dermis

Answer 25

Basement membrane

Question 26

The gland usually associated with hair are:

Answer 26

sebaceous glands

Question 27

The layers of skin with the highest keratin content is:

Answer 27

Stratum corneum

Question 28

The most plausible explanation for the "smoker's cough" that develops when the tracheal (your wind pipe) epithelium changes from pseudostratified columnar to stratified squamous is that

Answer 28

The stratified squamous epithelium has no cilia and are therefore unable to remove accumulating mucous

Question 29

The youngest cells would be found in the stratum:

Answer 29

Basale

Question 30

Epidermolysis bullosa is a disorder that results in a separation between which layers? (Select all that apply)

Answer 30

Epidermis, dermis

Question 31

Melanomas are skin cancers arising from which layer of the skin cells.

Answer 31

Stratum basale

Question 32

What vitamin is produced by the skin in response to UV exposure?

Answer 32

D

Question 33

Where are the apocrine sweat glands most numerous?

Answer 33

the groin and axilla (armpits)

Question 34

A tissue section containing successive layer of smooth muscle, connective tissue, and transitional epithelium could be from the wall of the

Answer 34

Urinary bladder

Question 35

Aging affects connective tissues which results in which of the following:

Answer 35

all of the above are correct

Question 36

Collagen fibers

Answer 36

The strongest and most abundant fibers, they allow connective tissues to resist tension

Question 37

Reticular fibers

Answer 37

These shorts branching fibers cluster into delicate networks and have the ability to glide freely across one another whenever the networks is pulled, allowing give.

Question 38

Elastin fibers

Answer 38

These long, thin, branching fibers form wife networks within the extracellular matrix and possess the ability to stretch and then return to their original length.

Question 39

Smooth muscle

Answer 39

Nonstriated and involuntary

Question 40

Which muscle type consists of long, cylindrical cells with multinucleated cells?

Answer 40

Skeletal muscle

Question 41

Which of the following is not a characteristic of tight junctions?

Answer 41

allow a free flowing of cytoplasm between neighboring cells

Question 42

Which of the following pairing is incorrect?

Answer 42

Supporting connective tissue: blood

Question 43

Which tissue contains a calcified ground substance and is specialized for structural

Answer 43

bone connective tissues

Question 44

The nerves impulse travels down a(n) _____________, away from the cell body.

Answer 44

Axon

Question 45

Schwann cells are more likely to be found:

Answer 45

in the peripheral nervous system