Quiz
Exam 1 Chapter 4 - Part 1
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Questions in this quiz (44)
1The Integumentary System is composed of ___?___ and its derivatives: ____?____
- ASkin; Hair, Nails, Sweat Glands, Oil Glands, and Mammary Glands
- BSkin; Hair, Nails, Sweat Glands, Oil Glands, and Endocrine Glands
- CSkin; Hair, Nails, and Sweat Glands
- DSkin only
2The Skin has more than a cosmetic role, it also:
- AProtects you from the surrounding environment
- BIts receptors tell you a lot about the outside world
- CHelps regulate body temperature
- DNone of these
3FUNCTIONS: The Integumentary System is a physical protector from environmental hazards
- ATrue
- BFalse
4FUNCTIONS: The Integumentary System DOES NOT synthesize and store Lipid Reserves
- ATrue
- BFalse
5FUNCTIONS: The Integumentary System coordinates the immune response to pathogens and cancers in the skin
- ATrue
- BFalse
6FUNCTIONS: The Integumentary System:
- ASensory information and Synthesis of Vitamin D3
- BExcretion and Thermoregulation
- CAll of these
- DNone of these
7The Cutaneous Membrane consists of:
- AEpidermis and Dermis
- BHair Follicles and Exocrine Glands
- CEpidermis and Exocrine Glands
- DDermis and Hair Follicles
8FUNCTION: The Epidermis: (Check all that apply)
- AProtects Dermis from trauma and Chemicals
- BControls Skin Permeability, and prevents water loss
- CPrevents Entry of Pathogens
- DSynthesizes Vitamin D3
- EReceptors detect touch, pressure, pain, and temperature
- FCoordinates Immune response to Pathogens and skin cancers
- GProduce hairs that provide delicate touch sensations on body surfaces
9Hair Follicles:
- AProduce hairs that protect skull only
- BProduce hairs that provide delicate touch sensations on body surface only
- CProduce hairs that provide delicate touch sensations on body surface AND Produce hairs that protect skull
- DProduce hairs that protect skull AND assist in Thermoregulation
10The Exocrine Glands:
- AAssist in Thermoregulation
- BExcrete Wastes
- CLubricate Epidermis
- DAll of these
11The Integumentary System covers the entire body surface including the anterior surfaces of the eyes and the tympanic membranes (eardrums)
- ATrue
- BFalse
12All four tissues are found in the Integument. An _____ covers its surface, and Underlying _____ tissues provide strength and resiliency.
- AEpithelium; Connective
- BConnective; Epithelium
- CSmooth Muscle; Neural
- DEpithelium: Neural
13All four tissues are found in the Integument. Blood vessels within the _____ tissue nourish the epidermal cells.
- AConnective
- BNeural
- CSmooth Muscle
- DEpithelium
14_____ tissue within the integument controls the diameters of the blood vessels and adjusts the positions of the hairs that project above the body surface.
- AConnective
- BEpithelium
- CSmooth muscle
- DNeural
15_____ tissue controls the smooth muscles and monitors sensory receptors providing sensations of touch, pressure, temperature, and pain.
- ANeural
- BSmooth Muscle
- CEpithelium
- DConnective
16The Integumentary Systems Accessory structures include:
- AHair Follicles
- BExocrine Glands
- CNails
- DDermis
- EEpidermis
17The Skin has two components, the superficial epithelium, termed the _____, and the underlying connective tissues of the _____.
- AEpidermis; Dermis
- BDermis; Epidermis
- CHypodermis; Dermis
- DEpidermis; Hypodermis
18Deep to the DERMIS, the loose connective tissue of the subcutaneous layer, also known as the [blank_start]hypodermis[blank_end], or superficial fascia, separates the integument from the deep fascia around other organs, such as muscle and bones.
- Ahypodermis
19What are the Four cell types in the Epidermis?
- AKeratinocytes
- BMelanocytes
- CMerkel Cells
- DLangerhans Cells
- ECorpuscle Cells
- FSebaceous Cells
20Four cell types in the Epidermis: _____ form several different layers. The precise boundaries between them are often difficult to see in a light micrograph. In thick skin, found on the palms of the hands and soles of the feet, FIVE layers can be distinguished. Only FOUR layers can be distinguished in the thin skin that covers the rest of the body.
- AKeratinocytes
- BMelanocytes
- CMerkel Cells
- DLangerhans Cells
21Four cell types in the Epidermis: _____ are the pigment-producing cells in the epidermis.
- AKeratinocytes
- BMerkel Cells
- CMelanocytes
- DLangerhans Cells
22Four cell types in the Epidermis: _____ (also called dendritic cells) are wandering phagocytic cells that are important in the body's immune response.
- AKeratinocytes
- BMerkel Cells
- CMelanocytes
- DLangerhans Cells
23Starting from the Surface top layer to the Basal lamina and Dermis bottom layer, what is the correct order of the five layer Epidermis?
- AStratum CORNEUM, Stratum LUCIDUM, Stratum GRANULOSUM, Stratum SPINOSUM, and Stratum BASALE (or Stratum germinativum)
- BStratum CORNEUM, Stratum LUCIDUM, Stratum BASALE (or Stratum germinativum), Stratum GRANULOSUM, and Stratum Spinosum
- CStratum CORNEUM, Stratum GRANULOSUM, Stratum LUCIDUM, Stratum Spinosum, and Stratum BASALE (or Stratum germinativum)
- DStratum CORNEUM, Stratum Spinosum, Stratum BASALE (or Stratum germinativum), Stratum LUCIDUM, and Stratum GRANULOSUM
24Epidermis Five Layer Functions: Stratum CORNEUM (A) (Check all that apply)
- AMultiple layers of flattened, dead, interlocking keratinocytes
- BTypically relatively dry
- CWater resistant but not waterproof
- DPermits SLOW water loss by insensible perspiration
- ESmallest layer
25Epidermis Five Layer Functions: Stratum LUCIDUM (B) (Check all that apply)
- AAppears as a glassy layer in thick skin only
- BLargest layer of Epidermis
- CDeepest basal layer
- DPermits FAST water loss by insensible perspiration
26Epidermis Five Layer Functions: Stratum GRANULOSUM (C) (Check all that apply)
- AKeratinocytes produce keratohyalin and keratin
- BKeratin fibers develop as cells become thinner and flatter
- CGradually the cell membranes thicker, the organelles disintegrate, and cell dies
- DDeepest basal layer
27Epidermis Five Layer Functions: Stratum SPINOSUM (D) (check all that apply)
- AKeratinocytes are bound together by maculae adherents attach to tonofibrils of cytoskeleton
- BSome keratinocytes divide in this layer
- CLangerhans cells and melanocytes are often present
- DAppears as a glassy layer in thick skin only
28Epidermis Five Layer Functions: Stratum BASALE (E) (also called Stratum germinativum) (Check all that apply)
- ADeepest basal layer
- Battachment to basal lamina
- Ccontains epidermal stem cells, melanocytes, and Merkel cells
- DTypically relatively dry
29The single layer of cells that is firmly attached to the basal lamina that separates the epidermis from the loose connective tissue of the adjacent dermis.
- AStratum basale (or stratum germinativum)
- BStratum corneum
- CStratum Granulosum
- DStratum Spinosum
- EStratum Lucidum
30STRATUM BASALE: Large stem cells, termed _____ cells, dominate the Stratum Basale. The divisions of these cells replace the more superficial keratinocytes that are lost or shed at the epithelial surface.
- ABasal
- BMerkel
- CMelanocytes
- DMelanin
31STRATUM BASALE: The brown tones of the skin result from the synthetic activities of _____ which are pigment cells. These cells are scattered among the basal cells of the Stratum Basale. They have numerous cytoplasmic processes that inject _____, a black, yellow-brown, or brown pigment, into keratinocytes in this layer and in more superficial layers.
- AMelanocytes; Melanin
- BKeratinocytes; Keratin
- CMelanin; Melanocytes
- DKeratin; Keratinocytes
32STRATUM BASALE: _____ are most abundant in the cheeks and forehead, in the nipples, and in the genital region. Individual and racial differences in skin color result from different levels of _____ activity, not the different number of them.
- AMelanocytes
- BKeratinocytes
- CBasal cells
- DMerkel Cells
33STRATUM BASALE: Skin surfaces that lack hair contain specialized epithelial cells known as _____ Cells
- AMerkel
- BMelanin
- CKeratin
- DBasal
34The Stratum _____ is several cells thick. Each keratinocyte in this layer contains bundles of protein filaments that extend from one side of the cell to the other. These bundles are called _____.
- ASpinosum; Tonofibrils
- BCorneum; Tonofibrils
- CSpinosum; Monofibrils
- DCorneum; Monofibrils
35STRATUM SPINOSUM: _____ cells play and important role in initiating an immune response against pathogens that have penetrated the superficial layers of the epidermis and epidermal cancer cells.
- ALangerhans
- BMerkel
- CTonofibrils
- DBasal
36Stratum _____ is the most superficial layer of the epidermis in which all cells still possess a nucleus.
- ASpinosum
- BBasale
- CGranulosum
- DLucidum
37Stratum Granulosum consists of Keratinocytes displaced from the Stratum Spinosum. By the time cells reach this layer, they begin to manufacture large quantities of proteins called _____ and _____.
- AKeratohyalin; Keratin
- BKeratohyaline; Melanin
- CMelatohyaline; Keratin
- DMelatohyaline; Melanin
38STRATUM GRANULOSUM: Keratohyaline accumulates in electron dense granules called _____ that surround the keratin filaments. Cells of this layer also form sheets of lipid rich substances that coat the cells of the Stratum Granulosum. In doing so, it creates a water-resistant layer protecting the epidermis.
- AKeratohyaline Granules
- BKeratin Granules
- CKeratinocyte Granules
- DKeratin Filament Granules
39Increased friction against the skin stimulates keratohayline and Keratin synthesis and results in a localized thickening of the skin and formation of a [blank_start]callus[blank_end]
- Acallus
40In the thick skin of the palms and soles, a glassy _____ (Clear layer) covers the Stratum Granulosum.
Note: The cells in this layer lack organelles and nuclei and are flattened, densely packed, and filled with keratin filaments that are oriented parallel to the surface of the skin.- AStratum Lucidum
- BStratum Corneum
- CStratum Granulosum
- DStratum Basale
41Stratum _____ is the most superficial layer of both thick and thin skin. It consists of numerous layers of flattened, dead, cells that possess a thickened plasmalemma.
- ACorneum
- BGranulosum
- CLucidum
- DSpinosum
42STRATUM CORNEUM: The dead cells possessing a thickened plasmalemma lack organelles and a nucleus, but still contain a large amount of _____ filaments
- AKeratin
- BMelanin
- CKeratohyalin
- DKeratinocytes
43STRATUM CORNEUM: an Epithelium containing large amounts of keratin is said to be _____, or cornified.
- AKeratinized
- BKeratinocytes
- CKeratohyalinized
- DKeratosis
44The process of _____ occurs in the Stratum Corneum and consists of coating the surface with the secretions of integumentary glands. This process takes place everywhere on exposed skin except for the anterior surfaces of the eye.
- AKeratinization
- BMelatinization
- CKeratiniosis
- DKeratin Synthization
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- anatomy Quiz on Exam 1 Chapter 4 - Part 1, created by troy walter on 20/02/2017.
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- troy walter
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