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.