Which layer of the skin has NO blood vessels?
a. Dermis
b. Epidermis
c. Hypodermis
d. Papillary
b. Epidermis
Which cells in the epidermis are key activators of
the immune system?
a. Keratinocytes
b. Melanocytes
c. Dendritic cells (Langerhans' Cell)
d. Tactile cells (Merkel Cell)
c. Dendritic cells (Langerhans' Cell)
What is sweat mostly composed of?
a. Sodium chloride
b. Antibodies
c. Water
d. Metabolic wastes
c. Water
The scapulae are considered part of the ______ skeleton.
a.axial
b.vertebral
c.appendicular
d.arm
c.appendicular
The structural unit of compact bone is the _______.
a.osteon
b.osteocyte
c.lamella
d.central canal
a.osteon
Which of the following is NOT a bone projection?
a.Head
b.Meatus
c.Tuberosity
d.Crest
b.Meatus
Which layer is the deepest layer of your skin?
a. Dermis
b. Epidermis
c. Hypodermis
d. Papillary
c. Hypodermis
Most of the dermis is composed of what type of
tissue?
a. Adipose
b. Dense Irregular Connective Tissue Proper
c. Epithelial
d. Stratified squamous
b. Dense Irregular Connective Tissue Proper
The protein found in our hair and nails is ______.
a. collagen
b. carotene
c. elastin
d. keratin
d. keratin
The scapula is classified as a _________ bone.
a.long
b.short
c.flat
d.irregular
c.flat
Osteocytes are found in _______.
a.central canals
b.perforating canals
c.lacunae
d.lamellae
c.lacunae
Which bone marking would most likely be part of a joint?
a.Condyle
b.Epicondyle
c.Meatus
d.Crest
a.Condyle
All of the following contribute to skin color
EXCEPT
a. hemoglobin
b. carotene
c. keratin
d. melanin
c. keratin
Dogs track humans by the scent of epithelial cells
that are constantly being shed. These cells shed
from which stratum?
a. Basale
b. Corneum
c. Granulosum
d. Spinosum
b. Corneum
The sweat glands that are important in body
temperature regulation are the ______ glands.
a. eccrine
b. apocrine
c. ceruminous
d. sebaceous
a. eccrine
Bones that form within tendons are classified as ________ bones.
a.flat
b.axial
c.short
d.irregular
c.short
In bone, collagen is found in the _______.
a.lacunae
b.central canals
c.lamellae
d.canaliculi
c.lamellae
The bone cell that produces the bony matrix in a developing bone is the _________.
a.osteocyte
b.osteoclast
c.osteoblast
d.chondrocyte
c.osteoblast
This layer of the skin is responsible for our
fingerprints.
a. Reticular dermis
b. Epidermis
c. Hypodermis
d. Papillary dermis
d. Papillary dermis
Which of the following is NOT associated with the
dermis?
a. Blood vessels
b. Collagen
c. Elastin
d. Keratin
d. Keratin
The smooth muscle associated with a hair follicle
is called
a. arrector pili
b. arrector vellus
c. alopecia areata
d. erector folliculi
a. arrector pili
An example of an axial bone is the ________.
a.scapula
b.ilium
c.femur
d.sternum
d.sternum
The shaft of a long bone is called the ________.
a.epiphysis
b.diaphysis
c.metaphysis
d.epiphyseal line
b.diaphysis
Which structure plays an important role in thickening long bones?
a.Medullary cavity
b.Articular cartilage
c.Periosteum
d.Epiphyseal plate
c.Periosteum
Mitosis occurs primarily in which stratum of the
epidermis?
a. Basale
b. Corneum
c. Granulosum
d. Spinosum
a. Basale
Which layer of the dermis is closest to the
epidermis?
a. Stratum basale
b. Stratum corneum
c. Papillary layer
d. Reticular layer
c. Papillary layer
When people gain weight, they often also gain
inches due to an accumulation of fat in which
layer?
a. Epidermis
b. Papillary
c. Reticular
d. Hypodermis
d. Hypodermis
Phalanges are classified as _______ bones.
a.short
b.long
c.flat
d.irregular
b.long
Which of the following would NOT be found in the long bone of a 30-year-old adult?
a.Red bone marrow
b.Articular cartilage
c.Yellow bone marrow
d.Epiphyseal plate
d.Epiphyseal plate
In which disease osteoclastic activity outpaces the osteoblastic activity?
a.Osteoporosis
b.Osteomalacia
c.Rickets
d.Paget’s disease
a.Osteoporosis