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WorksheetsQuiz 6 (CH 5 and 6)
Total questions: 15
Worksheet time: 8mins
The epidermis is composed of which of the following tissues?
Stratified columnar epithelial tissue
dense irregular connective tissue
adipose connective tissue
keratinized stratified squamous epithelial tissue
What is the primary function of melanin?
to produce sebum
to waterproof the skin
uptake calcium from the diet
to provide protection against the sun's UV rays
Which of the following is the correct sequence of the epidermal layers of thick skin, from deep to superficial
Stratum spinosum, stratum lucidum, stratum corneum, stratum basale, and stratum granulosum
Stratum granulosum, stratum corneum, stratum lucidum, stratum spinosum, and stratum basale
Stratum basale, stratum granulosum, stratum corneum, stratum spinosum,and stratum lucidum
stratum basale, stratum spinosum, stratum granulosum, stratum lucium, and stratum corneum
Adipose tissue is concentrated in which of the following layers
stratum lucidum
hypodermis
papillary layer of the dermis
stratum basale
A condition that produces a reduction in bone mass sufficient to compromise normal function is ___
osteomyelitis
osteoporosis
osteopenia
osteolitis
Which of the following statements concerning the periosteum of a bone is NOT true?
The periosteum is important for bone growth in width
Blood vessels enter bone through the periosteum
All bone surfaces in the body are covered by the periosteum
The periosteum provides strong attachment and continuity from tendon to bon e
During fetal imbramembraneous ossification, bone develops from ____
lamallae
the medullary cavity
hyaline cartilage
fibrous connective tissue membranes
Mary is 50 years old. During a checkup, a bone scan reveals that portions of her skeleton show signs of osteoporosis. After revieweing the test results, her physician suggests hormone therapy. What hormone is prescribed for Mary?
Parathyroid hormone
Thyroid hormone
Growth hormone
estrogen
Bones store energy as lipids in
the ground substance
spongy bone
yellow marrow
red marrow
The principal role of melanin is to __________.
give one a mellow feeling
keep the body cool
provide a waterproof layer
shield the nucleus from damage by ultraviolet radiation.
The touch sensors of the epidermis are the _________.
keratinocytes
tactile cells
epidermal dendritic cells
melanocytes
A patient taking a drug that inhibits cell division (such as certain chemotherapy drugs) would expect which layer of the epidermis to be affected first?
Stratum corneum
Stratum lucidum
Stratum spinosum
Stratum Basale
Which of the following types of skin cancer is the most dangerous?
Basal cell
Squamous cell
Melanoma,
All are equally dangerous.
What is the immediate threat from severe burns?
Bacterial infection
Inadequate body temperature maintenance
Loss of water and electrolytes
Scarring
Unipotent stem cells are those which, like other stem cells, undergo perpetual self-renewal while remaining in their undifferentiated state, and can differentiate to produce only one specialized cell type. An example of unipotent stem cells includes:
Neurons
Bone marrow stem cells.
Mesodermal cells
Basal cells of the epidermis
