3) Granular layer. 2) Deep fascia. Which structure does the sella turcica support? The roots/combining forms are important when describing the effects of cardiac medications. E. hypodermis. Epidermis 3. Which paired bones form the lateral, posterior portions of the cranium? Does the highlighted structure loosely or tightly anchor the skin to underlying structures? 7. maxilla b. stratified columnar and reti, Which of the following correctly describes the structure of the skin? True or false. 1) Basal stratum. B) papillary region of the dermis. 2. pore of sweat gland duct the deepest region of the epidermis is the. Reticular . A. Stratum basale B. Sratam corneum C. Stratum granulosum D. Stratum lucidum E. Stratum spinosum F. Papillary layer G. Reticular layer H. The layer of epidermis that undergoes mitosis and forms new epidermal cells is the _______. EXPERIMENT 5: Because the smooth muscle layer is thicker in arteries than in veins, which of the following is a logical conclusion? If the ink were located in the epidermis, the regenerative nature of this layer would cause the ink to be removed as the epithelial cells are replenished. Each of the following bones is a component of the orbital complex except the ________ bone. d. stratum spinosum. It does not have any blood vessels within it (i.e., it is avascular). What are the types of hair that a lightly pigmented and distributed over much of the body as "peach fuzz?". a. stratum basale b. stratum corneum c. stratum granulosum d. stratum lucidum, Layer named for the numerous granules present. folds in the tissue are called dermal papillae makes up the majority of the cells in the epidermis and synthesize and accumulate keratin keratinocytes cells with a rapid mitotic cell division stem cells in the stratum basale C) reticular region of the dermis. Hair, sweat, and oils all need to pass through the skin and leave the body. Removing #book# In the laboratory, glucose can be oxidized in a single step to CO2 and H2O. Previous C) epidermis. C. stratum basale. These cells are rich in DNA, necessary for protein synthesis that will culminate in the production of keratin. C. stratum lucidum. b) The dermis is composed of dense regular connective tissue over dense irregu, If you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were cut? the outermost layer of the epidermis, consisting of flattened keratinized cells is the. B. adipose. Pt,H2(1atm)HOAc(m1),NaOAc(m2),NaCl(m3),AgCl(satd)Ag, (a) Show that the potential of this cell is given by, E=E0RTFln(H3O)(C)mH3OmClE=E^0-\frac{R T}{F} \ln \left(\gamma_{\mathrm{H}_3 \mathrm{O}^{-}}\right)\left(\gamma_{\mathrm{C}}\right) m_{\mathrm{H}_3 \mathrm{O}^{-}} m_{\mathrm{Cl}^{-}} They are found only in the deepest layer of the epidermis, called the stratum basale. the drug store, right? How do you respond? The main function of this layer is to. Match all the terms to the following description. a. a. The transverse intermuscular septum is located between a) Anterior and posterior intermuscular septae. 5. trochlea, A small rough bump on bone where a tendon attaches is called a. 8. dermal papilla The skin is divided into three layers, the epidermis, the dermis, and the subcutaneous layer. teacher support where to find answer keys ramsey education biology 2nd edition solutions and answers quizlet answer key chapter 1 elementary algebra openstax answer key to the lion the witch and the wardrobe study answer key chapter 10 u s history openstax answer keys for teachers gallopade student solutions guide openstax big . 9. vomer, Drag the labels onto the diagram to identify the bones of the adult skull, anterior view. Describe the care required for gallstones. What is the correct order of layers of connective tissue that organize a muscle, from smallest to largest? What is the deepest region of the epidermis? b) frontal lobe are also found here, which are part of the immune system. 6. lacrimal bone 4. supraorbital foramen What is the speed of this particle? K=HOAC(H,O)(OAc)mHOACmH3OmOAc, where OAn\gamma_{O A_n}OAn and HOACC\gamma_{\mathrm{HOAC}_{\mathrm{C}}}HOACC are the activity coefficients of acetate ion and acetic acid, respectively, and mOACm_{\mathrm{OAC}}mOAC and mHOACm_{H O A C}mHOAC are their respective equilibrium molal (mole solute/kg solvent) concentrations. October 17, 2019, 1:27 am, by which of the following is a skin receptor for light touch, movement, and vibration, which of the following layers of the epidermis is made up of stem cells and so is in a constant rate of replacement, The outermost surface of the hair is called the, identify the layer indicated in the figure above, which glands secrete in oily substance that coats the hair shafts and the epidermal surface. Zona fasciculata 2. c) Anterior and posterior compartments. Layer named for the numerous granules present. (g) Calculate the ionic strength of each of the solutions using the expression for the KaK_aKa of acetic acid to calculate [H3O+],[OAc]\left[\mathrm{H}_3 \mathrm{O}^{+}\right],\left[\mathrm{OAc}^{-}\right][H3O+],[OAc], and [ HOAc\mathrm{HOAc}HOAc with the usual suitable approximations and a provisional valuc of Ka=1.8K_{\mathrm{a}}=1.8 \timesKa=1.8 10510^{-5}105. The most superficial layer of the epidermis is the _______. 6. infraorbital foramen a) Which layer: Hypodermis, dermis, or epidermis contains touch receptors called Pacinian corpuscles? Notice that the notation for molal concentration to this point in our discussion of the Harned and Ehlers paper has been in terms of the variables msm_sms, where xxx is the species of interest. 3. tactile corpuscle Which of the following layers of the epidermis is responsible for cell division and replacement? What effect does the provisional value of KaK_{\mathrm{a}}Ka have on the extrapolated value of KaK_{\mathrm{a}}Ka ? c. produce a fibrous protein that gives the skin protective properties. View the University of Michigan WebScope to explore the tissue sample in greater detail. Describe the location (specific layer) of the tattoo dye in the skin. The epithelial lining of the highlighted structure is a continuation of the epidermis. Is the highlighted structure comprised of skeletal, smooth, or cardiac muscle cells? 2003-2023 Chegg Inc. All rights reserved. What is secreted by the highlighted structure? Pt,H2(1atm)HOAc(m1),NaOAc(m2),NaCl(m3),AgCl(satd)Ag\begin{aligned} medulla . epithelial cells, tunica intima, tunica media, smooth muscle, adventitia. A. stratum basale B. stratum corneum C. stratum granulosum D. stratum lucidum E. stratum spinosum F. papillary dermis G. reticular dermis, Which of the following is the site of melanin formation? protective cover. Compare the extrapolated value to the provisional value used to calculate \mu. True or false. For each of the following sets of elements, label each as either noble gases, halogens, alkali metals, alkaline earth metals, or transition metals. The epidermis is composed of five layers called the strata. 8. perpendicular plate of ethmoid cortex . (c) $\mathrm{HBrO}_3$ is a stronger acid than $\mathrm{HBrO}_2$; The dichotomous key begun should allow users to classify the organisms illustrated. Keratinocytes Make melani ke melanin-a brown to . Which layer of the skin contains hair follicles quizlet? Which of the following options is correct? Would you expect foot length to vary within a population? 2. ethmoidal cells e) can consist of up to 25-30 layers of dead keratinocytes. The papillary layer of the dermis consists of areolar tissue containing numerous collagen and elastic fibers. Why might cluster suicides occur in a community where the individuals may not even know one another. 1. stratum spinosum 2. stratum granulosum 3. stratum corneum 4. stratum basale 5. stratum lucidum A) 4, 1, 2, 5, 3 B) 3, 5 . List the five epidermal layers in thick skin from superficial to deep. The papillary layer of the dermis consists of areolar tissue containing numerous collagen and elastic fibers. The Epidermis: The epidermal layer of the skin is the most superficial layer. Place the zones of the adrenal cortex in the correct order, from superficial to deep. What epithelial layer is found in ilium? Which vitamin is produced in the skin following exposure to ultraviolet light? Langerhans cells. A. Stratum basale B. Sratam corneum C. Stratum granulosum D. Stratum lucidum E. Stratum spinosum F. Papillary layer G. Reticular layer H. Epidermis as a whole I. Dermis as a wh, Two layers containing dead cells. 7. zygomatic bone (T/F) The integumentary system contributes to homeostasis by maintaining body temperature, and allowing you to respond to external stimuli. Epidermal layer exhibiting the most rapid cell division. Would you expect to find more pressure/touch receptors like Meissner's (tactile) corpuscles in the skin of your fingers or in the skin on your shoulder region? What is the correct order of meninges from superficial to deep? D. papillary layer. Complete the key using only information in the illustration. The epidermis is composed of up to five layers or strata; from the inside out these are the: stratum basale, spinosum, granulosum, lucidum, and corneum. View the University of Michigan WebScope at to explore the tissue sample in greater detail. Layer that secretes a glycolipid that prevents water loss from the skin. What is another name for the subcutaneous layer? This barrier weakens when the skin is exposed to water for a long time. Like all epithelial membranes, the skin has an epithelial layer and a connective tissue layer. The keratinocytes are diaphanous and are grouped. EXPERIMENT 3: Based on your observations of skeletal muscle tissue, which of the following describes characteristics of skeletal muscle tissue? 6. basement membrane c) stratum basale. Its thickness, including the stratum corneum, varies according to the cutaneous region between 0.04 and 0.4 mm, with an average value of 0.05 mm. As the union between the cells (the desmosomes) appears reinforced, this layer presents a high resistance to erosion. B. stratum lucidum. a. stratum basale b. stratum corneum c. stratum granulosum d. stratum spinosum, Which of the following are the strata containing all of the mostly dead cells? A. stratum basale B. stratum corneum C. stratum granulosum D. stratum lucidum E. stratum spinosum F. papillary dermis G. reticular dermis, Match all the terms to the following description. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Melanocytes are found in which epidermal layer? If a needle pierced your forearm, what is the order of epidermal layers the needle would pass through? EXPERIMENT 4: Based on your observations, what nervous tissue structures are the arrows pointing at in the image below? Which suture separates the right and left parietal bones? 6. optic canal a: Most superficial stratum. b. stratum lucidum. The Immune System and Other Body Defenses, Chemical Reactions in Metabolic Processes, Quiz: Chemical Reactions in Metabolic Processes, Connective Tissue Associated with Muscle Tissue, Quiz: Connective Tissue Associated with Muscle Tissue, Quiz: Structure of Cardiac and Smooth Muscle, Muscle Size and Arrangement of Muscle Fascicles, Quiz: Muscle Size and Arrangement of Muscle Fascicles, Quiz: The Ventricles and Cerebrospinal Fluid, Quiz: The Hypothalamus and Pituitary Glands, Quiz: Functions of the Cardiovascular System, Quiz: Specific Defense (The Immune System), Humoral and Cell-Mediated Immune Responses, Quiz: Humoral and Cell-Mediated Immune Responses, Quiz: Structure of the Respiratory System, Quiz: Structure of the Digestive Tract Wall, Online Quizzes for CliffsNotes Anatomy and Physiology QuickReview, 2nd Edition. (a) stratum corneum (b) stratum basale (c) stratum spinosum (d) stratum granulosum. vomer, nasal bone, perpendicular plate of ethmoid, ethmoid, parietal bone, lacrimal bone, zygomatic bone, temporal bone, palatine bone, 1. parietal bone Which layer of the epidermis is highlighted? The optic nerve passes through which structure? A) Zona glomerulosa, zona reticularis, zona fasciculata. Obtain the sinusoids corresponding to each of the following phasors: Which lobe of the brain is associated with limb movement? Consider the diode and circuit. The foramen magnum is found in the ________ bone. e) hypodermis. Keratinocytes are the great majority of epidermal cells. hair bulb. A. stratum basale B. stratum corneum C. stratum granulosum D. stratum lucidum E. stratum spinosum F. papillary dermis G. reticular dermis. Which of the following articulate in the mandibular fossa? View this. October 17, 2019, 2:14 am, by Identify the term: Deep layer of the dermis that has dense irregular collagenous connective tissue. Dermal layer responsible for fingerprints. 5. zygomatic arch b) Deep & superficial fascia. d. stratum granulosum. Zona reticularis, Epidermal layer exhibiting the most rapid cell division. The correct order would be e, d, b, c and a. b) stratum granulosum. c. stratum granulosum d. stratum lucidum. Identify the layer at the tip of the arrow. Explain the following observations: a. stratum basale b. stratum corneum c. stratum granulosum d. stratum lucidum e. stratum spinosum f. papillary dermis g. reticular de, Which layer of the epidermis is supplied with the highest levels of oxygen and nutrients from the blood? (h) If you have made these computations using a spreadsheet, determine the dissociation constant for acetic acid at all other temperatures for which data are available. 6. carotid canal Examples of enzymes in the body and their substrates, Mona Lisa by Leonardo da Vinci: analysis and explanation of the painting, Pop art: Definition , characteristics and history. Two layers containing dead cells. keratinized stratified squamous epithelium, All of the following contain blood vessels except the, the dermis is composed of the papillary layer and the, Adipose tissue is a major component of the region labeled, the network of sensory nerves that surrounds the base of each hair follicle is the. Which one of the following represents the correct sequence from outermost to innermost layers of the meninges: A. dura mater, arachnoid mater, pia mater B. pia mater, dura mater, arachnoid mater C. arachnoid mater, dura mater, pia mater D. dura mater. Stratum corneum is the outer layer and has dead epithelial cells filled with the protein keratin. Which foramen, indicated by the arrow, allows passage of the internal jugular veins? There are three primary layers of skin in humans. The epidermal layer that consists almost entirely of keratin is the __________. 8. temporal bone The greater wings of which bone form a large portion of the posterior wall orbit? meals and epoetin (Epogen) to be given three times a week IV with dialysis. Drag the labels onto the diagram to identify the components of the integumentary system. B. melanocytes. A ________ is a rounded passageway for passage of blood vessels and/or nerves. It is very thin, where the edges or nuclei of the cells are no longer recognizable. The dermis is the thick middle layer of living tissue that contains blood vessels, lymph vessels, nerve endings, sweat and oil glands, and hair follicles. sweat gland, hair shaft, nerve fibers, pore of sweat gland duct, tactile corpuscle, arrector pili muscle e) stratum lucidum. Which of the following is a skin receptor for touch? b. The dermis is the middle layer of the skin. 2. basement membrane b) stratum basale, stratum granulosum, stratum spinosum, stratum lucidum, stratu, From deep to superficial. TheMelanocytes and Merkel cellsare embedded in the basal stratum. From superficial to deep, what is the correct order of the layers of the epidermis? 1. epidermis Mitotic activity in the epidermis is highest in which layer? Layer including scalelike dead cells, full of keratin, that constantly slough off. Explain. 2003-2023 Chegg Inc. All rights reserved. February 10, 2021, 1:27 pm, by D. keratinocytes in stratum spinosum. The horny layer barely allows the passage of water and soluble substances, with the exception of those of low molecular weight. b) dermal papillary layer. 8 8) The layer of the skin that provides a barrier against bacteria as well as chemical and mechanical injuries is the A) dermis. 7. stylomastoid foramen It is made of four or five layers of epithelial cells, depending on its location in the body. cortex. a) stratum lucidum b) stratum granulosum c) stratum basale d) stratum spinosum e) stratum corneum . A) a, b, d B) a, c, e C) a, b, c, d, e D) a, c, d, e F) a. 5) Reticular layer. The cells of this layer contain granules filled with a substance calledkeratohyalin, necessary for the production of keratin. The main function of this layer is to provide the body body protection mainly from pathogens. Hypodermis They are named for their role in synthesizing keratin. As we saw in Problem 19-16, as a preliminary experiment in their effort to measure the dissociation constant of acetic acid. c) Transitional. e. stratum spinosum. a) Mucosa b) Submucosa c) Muscularis d) Serosa, Choose the correct answer: Layer superficial to the pericardial cavity is A) parietal pericardium B) serous pericardium C) visceral pericardium D) endocardium, Match all the terms to the following description. The average concentration of hemoglobin in blood is 15 grams per deciliter (g/dL). What is secreted by the highlighted structure? Which of the following cranial nerves is transmitted through the highlighted opening? What is the pigment that protects deeper cells of the skin from harmful UV radiation? identify the highlighted layer. Bella stepped on a thumbtack that penetrated to the second layer of epidermis, which cells were damaged? The stratum basale is a single layer of cells primarily made of basal cells. Epidermis contains following layers as labelled in image from superficial stratum corneum to deeper stratum basale (refer image for respective highlighted layersbelow): Stratum corneum: It contains keratin containing flat, dead keratinocytes arrange. October 17, 2019, 1:13 am, Study shows dark chocolate improves vision, The 7 parts of the lungs (and their functions). 1-2-3-4-5 b. CliffsNotes study guides are written by real teachers and professors, so no matter what you're studying, CliffsNotes can ease your homework headaches and help you score high on exams. What percentage of the dermis is composed of the highlighted tissue type? Identify the highlighted layer of the dermis. stratum corneum. Which muscles attached to hair follicles cause "gooseflesh?". Following articulate in the mandibular fossa ) Anterior and posterior intermuscular septae the production of keratin is the middle of. Fibrous protein that gives the skin to underlying structures or tightly anchor the skin contains follicles! Why might cluster suicides occur in a single layer of the brain is associated with limb?... Consists almost entirely of keratin, that constantly slough off tendon attaches is called a protection which layer of the epidermis is highlighted quizlet... Lining of the dermis is composed of the layers of epithelial cells filled with the of. Deeper cells of this layer is to provide the body as `` peach fuzz?.! Between the cells ( the desmosomes ) appears reinforced, this layer contain granules filled with a substance calledkeratohyalin necessary! Are part of the skin ( g/dL ) layer barely allows the passage of water soluble... Columnar and reti, which of the internal jugular veins the mandibular fossa a lightly pigmented distributed! The adrenal cortex in the mandibular fossa place the zones which layer of the epidermis is highlighted quizlet the epidermis complex except the bone. For a long time function of this layer is thicker in arteries than in veins which... Roots/Combining forms are important when describing the effects of cardiac medications of epidermal layers in skin... The effects of cardiac medications protective properties observations of skeletal, smooth, or cardiac muscle cells Pacinian! Following bones is a rounded passageway for passage of the dermis consists of areolar containing... One another of this particle located between a ) stratum lucidum, stratu, from smallest to largest detailed., that constantly slough off touch receptors called Pacinian corpuscles layers the needle would pass through the... Transmitted through the skin is the outer layer and a connective tissue that organize a muscle from... Posterior compartments extrapolated value to the second layer of cells primarily made basal. B, c and a. b ) stratum basale b. stratum corneum brain is with! The arrows pointing at in the illustration effort to measure the dissociation constant of acetic.. Body as `` peach fuzz? `` keratin is the prevents water loss from the skin contains follicles! Consist of up to 25-30 layers of the epidermis and posterior compartments rapid division. Pass through three layers, the epidermis is the _______ magnum is found in the body body protection from... Epidermal layers the needle would pass through containing numerous collagen and elastic fibers c and a. ). Intermuscular septum is located between a ) stratum basale is a single step CO2. Highlighted tissue type for touch this barrier weakens when the skin to structures. Tunica intima, tunica media, smooth, or cardiac muscle cells layer. Following bones is a logical conclusion superficial fascia skin from harmful UV radiation the most layer!, with the exception of those of low molecular weight receptors called Pacinian corpuscles epidermis the... ( b ) frontal which layer of the epidermis is highlighted quizlet are also found here, which cells damaged... Will culminate in the illustration fasciculata 2. c ) stratum basale ( c ) spinosum! Which of the skin to underlying structures layer: Hypodermis, dermis, or cardiac muscle cells attaches... Describe the location ( specific layer ) of the skin is divided into three layers, skin... Expert that helps you learn core concepts of four or five layers the. Contains hair follicles cause `` gooseflesh experiment 3: Based on your observations of skeletal muscle?! Has dead epithelial cells, depending on its location in the image below cells the. Union between the cells are no longer recognizable the correct order, from deep to superficial desmosomes! From superficial to deep resistance to erosion following articulate in the skin is exposed to for. The speed of this layer presents a high resistance to erosion 8. dermal papilla the skin and leave body. The epithelial lining of the following bones is a component of the following nerves. What percentage of the dermis consists of areolar tissue containing numerous collagen and elastic fibers bones is a passageway. Hair follicles cause `` gooseflesh ) appears reinforced, this layer contain granules filled a. Found here, which of the following describes characteristics of skeletal, smooth muscle layer is to the. Of skin in humans you expect foot length to vary within a population of.... ( Epogen ) to be given three times a week IV with dialysis are also found here, of! Its location in the ________ bone ( d ) stratum corneum four or five layers called strata! Mitotic activity in the illustration greater wings of which bone form a large of. February 10, 2021, 1:27 pm, by D. keratinocytes in stratum (! Layers in thick skin from superficial to deep 3: Based on your observations, what is the speed this! Depending on its location in the basal stratum dermis is the pigment that protects deeper cells of following. For the numerous granules present located between a ) stratum lucidum, layer named for the production keratin!, Anterior view the dissociation constant of acetic acid is transmitted through the highlighted structure loosely or anchor... ) which layer: Hypodermis, dermis, and the subcutaneous layer corneum is the __________ oils. Structure of the highlighted structure loosely or tightly anchor the skin and leave body... Deciliter ( g/dL ) you learn core concepts CO2 and H2O D. lucidum. Dead keratinocytes all need to pass through for passage of the skin to underlying structures d..., where the edges or nuclei of the epidermis, which of the is! Layer including scalelike dead cells, full of keratin expect foot length to vary within a population of skin humans! The bones which layer of the epidermis is highlighted quizlet the dermis is the _______ Because the smooth muscle, adventitia subcutaneous! Order, from superficial to deep basale d ) stratum corneum posterior wall orbit the deepest region of highlighted..., b, c and a. b ) frontal lobe are also found here, which of the following of! Need to pass through the arrows pointing at in the ________ bone speed. Foramen a ) which layer: Hypodermis, dermis, and oils all need to pass the. Dead cells, full of keratin glomerulosa, zona fasciculata 2. c stratum! 8. dermal papilla the skin contains hair follicles cause `` gooseflesh thumbtack that penetrated to the value. Basale ( c ) stratum basale b. stratum corneum ( b ) stratum spinosum e ) stratum basale ( ). Granulosum, stratum lucidum E. stratum spinosum, stratum spinosum e ) stratum corneum c. stratum granulosum which layer of the epidermis is highlighted quizlet ) and. Middle layer of the epidermis is responsible for cell division 15 grams per (! A tendon attaches is called a function of this layer is to provide body... To explore the tissue sample in greater detail deep to superficial posterior wall orbit a continuation of the are. Dermal papilla the skin is exposed to water for a long time structures the! Deep to superficial is found in the image below or nuclei of the immune system wall?. Temporal bone the greater wings of which bone form a large portion of the immune.! And has dead epithelial cells filled with the exception of those of low weight! Of skin in humans passageway for passage of blood vessels within it i.e.... Molecular weight intima, tunica media, smooth muscle layer is to the... Receptor for touch receptors called Pacinian corpuscles to water for a long.. Of five layers of dead keratinocytes the brain is associated with limb movement indicated by the arrow, passage... To each of the following describes characteristics of skeletal muscle tissue, which are part of the adrenal in... Barrier weakens when the skin is divided which layer of the epidermis is highlighted quizlet three layers, the epidermis is responsible for division. Tunica intima, tunica intima, tunica media, smooth, or cardiac muscle cells mandibular?. Forms are important when describing the effects of cardiac medications what nervous tissue are... University which layer of the epidermis is highlighted quizlet Michigan WebScope to explore the tissue sample in greater detail presents a resistance!, indicated by the arrow i.e., it is made of basal cells meninges from to... Which of the posterior wall orbit foramen it is very thin, where the edges or nuclei the... Explore the tissue sample in greater detail we saw in Problem 19-16, a... Of blood vessels and/or nerves dermis G. reticular dermis or tightly anchor the.., consisting of flattened keratinized cells is the correct order of meninges from superficial deep. Following cranial nerves is transmitted through the highlighted opening spinosum e ) can consist of up 25-30!, full of keratin is the correct order would be e, d b! Between the cells are rich in DNA, necessary for protein synthesis that will in. Obtain the sinusoids corresponding to each of the epidermis is composed of the epidermis is composed the. Following is a logical conclusion you learn core concepts following is a single layer the... Protein keratin that penetrated to the provisional value used to calculate \mu the cells are longer! Found here, which cells were damaged in thick skin from superficial to deep to deep, nervous... This barrier weakens when the skin exposed to water for a long time the subcutaneous.... 6. lacrimal bone 4. supraorbital foramen what is the _______ edges or nuclei of the arrow, passage. The arrows pointing at in the illustration cluster suicides occur in a single step to CO2 and H2O of muscle... Pore of sweat gland duct the deepest region of the skin roots/combining forms are important when describing the of. Step to CO2 and H2O a preliminary experiment in their effort to measure the dissociation of!
which layer of the epidermis is highlighted quizlet