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Physiology

Week 4 Chapters 8, 9, & 10

QuestionAnswer
Which skin layer has cells that look prickly because of the desmosomes that join the cells together? Stratum spinosum
The nail body forms at the nail root, which has a matrix of proliferating cells from the _____________ that enables the nail to grow continuously. stratum basale
Which cells of the skin act as a type of antigen-presenting cell in the skin? Dendritic cells
The waxy secretion in the external ear canal is: ceruminous.
Apocrine sweat glands can be found in all of the following areas except the: soles of the feet.
In which skin layer does the process of keratinization begin? Stratum granulosum
Hair: alternates between periods of growth and rest, consists of keratinized cells, is formed from cells of the germinal matrix.
Which skin layer is called the barrier area? Stratum corneum
Fingernail growth is the result of the mitosis of the cells in the stratum: germinativum.
Smooth muscles that produce goose pimples when they contract are the _____ muscles. arrector pili
The hair follicle is found in the: dermis
Which is not part of a hair? Lanugo
Which skin layer contains closely packed, clear cells that contain a gel-like substance called eleidin? Stratum lucidum
Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin? Keratinocytes
The hair papilla consists of _____ tissue. dermal
Which type of connective tissue helps newborns maintain body temperature by producing heat? brown fat
Which of the following is not a function of the skin? Synthesis of vitamin E
A tissue is: a group of similar cells that perform a common function.
Which of the following vitamins is(are) absorbed through the skin? Vitamin A, D, K
Which is not a function of connective tissue? Communication
Which of the following epithelial functions is a primary activity of glandular epithelium? Secretion
Which of the following is not a characteristic of skeletal muscles? Having one nucleus per cell
Which cells electrically insulate axons to increase the speed of conduction? Oligodendrocytes and Schwann cells
Which of the following is not a characteristic of smooth muscles? Having intercalated disks
Which of the following is not a characteristic of muscle tissue? Cells are separated by a large quantity of extracellular matrix
The area referred to as true skin is the: dermis
Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? Astrocytes
Hematopoietic tissue can be found in the: bones
Which of the following is not a characteristic of connective tissue? Typically holds its cells together tightly by means of desmosomes
Which of the following is not a function of adipose tissue? Defends the body from microbes and injurious substances
Connective tissue forms from stem cell tissue called: mesenchyme.
Which type of tissue has the greatest capacity to regenerate? Epithelial
Which of the following is not a characteristic of epithelial tissue? Is important in communication and control
Mucous membranes are important because they lubricate and protect passageways. true
The type of tissue that contains cells called neurons is called: nervous
What structure is formed by the union of the basal and reticular lamina? Basement membrane
Which of the following is not a proteoglycan found in the matrix of connective tissue? collagen
Basement membrane is composed of molecules made by _____ tissue. connective and epithelial
Which tissue is most likely to form a keloid scar as it heals? connective
Which cells help destroy pathogens and damaged tissue in the brain? Microglia
Of the five epidermal cell layers, the only one that can undergo mitosis is the stratum: basale
In what area of the body would you expect to find an especially thick stratum corneum? Sole of the foot
Which tissue is most likely to form a keloid scar as it heals? connective
Areolar tissue usually contains which types of cells in the greatest number? Fibroblasts
Which is not a function of epithelial tissue? Assimilation
Created by: ashleysummers
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