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Kim Ferguson
Physiology Week 4
| Question | Answer |
|---|---|
| The hair papilla consists of _____ tissue. | dermal |
| Fingernail growth is the result of the mitosis of the cells in the stratum: | germinativum. |
| Which skin layer is called the barrier area? | Stratum corneum |
| The hair follicle is found in the: | dermis. |
| Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin? | Keratinocytes |
| In which skin layer does the process of keratinization begin? | Stratum granulosum |
| Which skin layer contains closely packed, clear cells that contain a gel-like substance called eleidin? | Stratum lucidum |
| Smooth muscles that produce goose pimples when they contract are the _____ muscles. | arrector pili |
| Which skin layer has cells that look prickly because of the desmosomes that join the cells together? | Stratum spinosum |
| Apocrine sweat glands can be found in all of the following areas except the: | soles of the feet. |
| 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 |
| The gland responsible for the waxy secretion in the external ear canal is: | ceruminous. |
| Which cells of the skin act as a type of antigen-presenting cell in the skin? | Dendritic cells |
| Which is not part of a hair? | Lanugo |
| Hair: | alternates between periods of growth and rest. consists of keratinized cells. is formed from cells of the germinal matrix. is all of the above. |
| Which cells form the blood-brain barrier that protects the brain from harmful substances in the blood? | Astrocytes |
| Which of the following is not a characteristic of muscle tissue? | Cells are separated by a large quantity of extracellular matrix |
| Which type of tissue has the greatest capacity to regenerate? | Epithelial |
| Mucous membranes are important because they lubricate and protect passageways. | True |
| Of the five epidermal cell layers, the only one that can undergo mitosis is the stratum: | basale. |
| Which tissue is most likely to form a keloid scar as it heals? | Connective |
| In what area of the body would you expect to find an especially thick stratum corneum? | Sole of the foot |
| The type of tissue that contains cells called neurons is called: | nervous. |
| Which cells help destroy pathogens and damaged tissue in the brain? | Microglia |
| 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 epithelial functions is a primary activity of glandular epithelium? | Secretion |
| Which of the following vitamins is(are) absorbed through the skin? | Vitamin A Vitamin D Vitamin K All of the above |
| Which tissue is most likely to form a keloid scar as it heals? | Connective |
| Which of the following is not a characteristic of connective tissue? | Typically holds its cells together tightly by means of desmosomes |
| Basement membrane is composed of molecules made by _____ tissue. | muscle epithelial Both B and C are correct. |
| Which of the following is not a characteristic of skeletal muscles? | Having one nucleus per cell |
| What structure is s per cellformed by the union of the basal and reticular lamina? | Basement membrane |
| Which of the following is not a characteristic of smooth muscles? | Having intercalated disks |
| Which cells electrically insulate axons to increase the speed of conduction? | Oligodendrocytes Schwann cells Both A and B |
| Which type of connective tissue helps newborns maintain body temperature by producing heat? | Brown fat |
| Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
| The hypodermis: | connects the dermis to underlying tissues. |
| Which of the following is not a proteoglycan found in the matrix of connective tissue? | Collagen |
| Connective tissue forms from stem cell tissue called: | mesenchyme. |
| Which is not a function of epithelial tissue? | Assimilation |
| Which is not a function of connective tissue? | Communication |
| The area referred to as true skin is the: | dermis. |
| Hematopoietic tissue can be found in the: | bones. |
| Areolar tissue usually contains which types of cells in the greatest number? | Fibroblasts |
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Kferguson76
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