A dendritic or Langerhan cell is a specialized ________.
A) squamous epithelial cell
B) phagocytic cell
C) melanocyte
D) nerve cell

B) phagocytic cell

True or False?

A major characteristic of fibrocartilage is its unique amount of flexibility and elasticity.

FALSE

A many-layered epithelium with cuboidal basal cells and flat cells at its surface would be classified as ______ .

A) Transitional

B) Pseudostratified columnar

C) Stratified squamous

D) Stratified cuboidal

C) Stratified squamous

A needle would pierce the epidermal layers of the forearm in which order?

A) basale, spinosum, granulosum, corneum

B) basale, spinosum, granulosum, lucidum, corneum

C) granulosum, basale, spinosum, corneum

D) corneum, granulosum, spinosum, basale

D) corneum, granulosum, spinosum, basale

A splinter penetrated into the skin of the sole of the foot, almost to the papillary region of the dermis. Which layer of the epidermis would be the final layer injured?

A) basale

B) spinosum

C) corneum

D) granulosum

A) basale

True or False?

Adipose tissue is made up of pseudostratified columnar epithelial cells.

FALSE

Apocrine glands, which begin to function at puberty under hormonal influence, seem to play little role in thermoregulation. Where would we find these glands in the human body?
A) in all body regions and buried deep in the dermis
B) in the axillary and anogenital area
C) beneath the flexure lines in the body
D) in the palms of the hands and soles of the feet

B) in the axillary and anogenital area

True or False?
Cells in the stratum corneum undergo mitosis to keep the layer thick and protective.

FALSE

True or Flase?

Epithelial cells contain both blood vessels and nerve fibers

FALSE

True or False?

Epithelial tissues always exhibit polarity; that is, they have a free surface and basal surface

TRUE

Using Figure 5.2, match the following

1) Epidermis

2) Reticular layer of the dermis

3) Hypodermis

1) A

2) C

3) D

True or False?

Functions of connective tissues include binding, support, insulation, and protection.

TRUE

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

A) ceruminous
B) sebaceous
C) exocrine
D) endocrine

D) endocrine

Mesenchymal cells are most commonly found in ________ connective tissue.

A) dense regular
B) reticular
C) areolar
D) embryonic

D) embryonic

True or False?

Regardless of race all humans have about the same number of melanocytes.

TRUE

Select the correct statement regarding factors that affect the tissue repair process.

A) The health of an individual does not seem to make any difference in the speed of repair.
B) Nutrition does not seem to influence tissue repair.
C) The age of the person is a factor in the repair process.
D) The type of tissue injured is not an important factor.

C) The age of the person is a factor in the repair process.

True or False?

Simple cuboidal epithelia are usually associated with secretion and absorption.

TRUE

True or False?

Squamous cells are flattened and scalelike when mature.

TRUE

Sudoriferous (sweat) glands are categorized as two distinct types. Which of the following are the two types of sweat glands?
A) mammary and ceruminous
B) holocrine and mammary
C) eccrine and apocrine
D) sebaceous and merocrine

C) eccrine and apocrine

True or False?

Tendons and ligaments are composed mainly of dense irregular connective tissue.

FALSE

True or False?

The action of the arrector pili muscle is very similar in humans as it is in other mammals but its beneficial functions differ.

TRUE

True or False?

The dermis contains blood vessels and nerve fibers while the epidermis does not.

TRUE

The dermis has two major layers; which of the following constitutes 80% of the dermis and is responsible for the tension lines in the skin?

A) the subcutaneous layer
B) the papillary layer
C) the hypodermal layer
D) the reticular layer

D) the reticular layer

True or False?

The apocrine sweat glands are not the primary gland involved in thermoregulation.

TRUE

The epidermis consists of five layers of cells, each layer with a distinct role to play in the health, well-being, and functioning of the skin. Which of the following layers is responsible for cell division and replacement?

A) stratum lucidum
B) stratum corneum
C) stratum basale
D) stratum granulosum

C) stratum basale

The first step in tissue repair involves ________.
A) replacement of destroyed tissue by the same kind of cells
B) proliferation of fibrous connective tissue
C) inflammation
D) formation of scar tissue

C) inflammation

True or False?

The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells) circulating in the dermal capillaries and reflecting through the epidermis.

TRUE

The primary blast cell for bone is the ________.

a) osteoblast
b) chondroblast
c) fibroblast
d) hemocytoblast

a) osteoblast

True or False?

The protein found in large amounts in the outermost layer of epidermal cells is keratin.

TRUE

The reason the hypodermis acts as a shock absorber is that ________.

A) the cells that make up the hypodermis secrete a protective mucus
B) the major part of its makeup is adipose, which serves as an effective shock absorber
C) it is located just below the epidermis and protects the dermis from shock
D) it has no delicate nerve endings and can therefore absorb more shock

B) the major part of its makeup is adipose, which serves as an effective shock absorber

The shape of the external ear is maintained by ________.

A) hyaline cartilage
B) adipose tissue
C) elastic cartilage
D) fibrocartilage

C) elastic cartilage

True or False?

The shock-absorbing pads between the vertebrae are formed of fibrocartilage

TRUE

True or False?

The skin is not able to receive stimuli because the cells of the epidermis are not living and therefore there are no sensory receptors in the skin.

FALSE

The most important factors influencing hair growth are ________.

A) nutrition and hormones
B) sex and hormones
C) the size and number of hair follicles
D) age and glandular products

A) nutrition and hormones

The three main components of connective tissue are ________.

A) ground substance, fibers, and cells
B) collagen, elastin, and reticular fibers
C) alveoli, fibrous capsule, and secretory cells
D) fibroblasts, chondroblasts, and osteoblasts

A) ground substance, fibers, and cells

What tissue has lacunae, calcium salts, and blood vessels?

A) fibrocartilaginous tissue

B) osseous tissue

C) cartilage tissue

D) areolar tissue

B) osseous tissue

Which is true concerning muscle tissue?
A) cuboidal shape enhances function
B) is a single-celled tissue
C) highly cellular and well vascularized
D) contains contractile units made of collagen

C) highly cellular and well vascularized

Which layer of the epidermis will be supplied with the highest levels of oxygen from the blood?

A) basale

B) spinosum

C) corneum

D) granulosum

A) basale

Which of the following cells and their functions are correctly matched?

A) Dendritic cells activate the immune system
B) Melanocytes protects cells in the stratum corneum from damaging effects of sun's rays
C) Keratinocytes provide sense of touch and pressure
D) Tactile cells provide protection

A) Dendritic cells activate the immune system

Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs?

A) simple columnar
B) simple squamous
C) simple cuboidal
D) pseudostratified columna

B) simple squamous

Which of the following examples listed below illustrates homeostasis maintained by a negative feedback?
A) Lack of pain in third degree burns due to damage to sensory nerves in the dermis.
B) An increase in sebum production in response to androgens (male sex hormones).
C) Excretion of salts within the sweat.
D) Release of sweat by eccrine glands in response to heat.

D) Release of sweat by eccrine glands in response to heat.

Which of the following glands secrete sebum, an oil-like substance?

A) Merocrine glands

B) Apocrine glands

C) Sebaceous glands

D) Eccrine glands

C) Sebaceous glands

Which of the following is NOT found in cartilage but is found in bone?
A) organic fibers
B) lacunae
C) living cells
D) blood vessels

D) blood vessels

Which of the following is a skin sensory receptor for touch?
A) Ruffini body
B) Pacinian corpuscle
C) Tactile cells
D) Free nerve ending

C) Tactile cells

which of the following is found in hyaline cartilage?

A) chondrocyte

B) fibroblast

C) macrophage

D) mast cell

A) chondrocyte

Which of the following statements is true of connective tissue?

A) Reticular fibers form thick, ropelike structures.
B) Elastin fibers are sometimes called white fibers.
C) Collagen fibers provide high tensile strength.
D) When connective tissue is stretched, collagen gives it the ability to snap back.

C) Collagen fibers provide high tensile strength.