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A&P Midterm Review - Quiz 2

front 1 A dendritic or Langerhan cell is a specialized ________. A) squamous epithelial cell B) phagocytic cell C) melanocyte D) nerve cell	back 1 B) phagocytic cell
front 2 True or False? A major characteristic of fibrocartilage is its unique amount of flexibility and elasticity.	back 2 FALSE
front 3 A many-layered epithelium with cuboidal basal cells and flat cells at its surface would be classified as ______ . A) Transitional B) Pseudostratified columnar C) Stratified squamous D) Stratified cuboidal	back 3 C) Stratified squamous
front 4 A needle would pierce the epidermal layers of the forearm in which order? A) basale, spinosum, granulosum, corneum B) basale, spinosum, granulosum, lucidum, corneum C) granulosum, basale, spinosum, corneum D) corneum, granulosum, spinosum, basale	back 4 D) corneum, granulosum, spinosum, basale

front 5 A splinter penetrated into the skin of the sole of the foot, almost to the papillary region of the dermis. Which layer of the epidermis would be the final layer injured? A) basale B) spinosum C) corneum D) granulosum	back 5 A) basale
front 6 True or False? Adipose tissue is made up of pseudostratified columnar epithelial cells.	back 6 FALSE
front 7 Apocrine glands, which begin to function at puberty under hormonal influence, seem to play little role in thermoregulation. Where would we find these glands in the human body? A) in all body regions and buried deep in the dermis B) in the axillary and anogenital area C) beneath the flexure lines in the body D) in the palms of the hands and soles of the feet	back 7 B) in the axillary and anogenital area
front 8 True or False? Cells in the stratum corneum undergo mitosis to keep the layer thick and protective.	back 8 FALSE

front 9 True or Flase? Epithelial cells contain both blood vessels and nerve fibers	back 9 FALSE
front 10 True or False? Epithelial tissues always exhibit polarity; that is, they have a free surface and basal surface	back 10 TRUE
front 11 Using Figure 5.2, match the following 1) Epidermis 2) Reticular layer of the dermis 3) Hypodermis	back 11 1) A 2) C 3) D
front 12 True or False? Functions of connective tissues include binding, support, insulation, and protection.	back 12 TRUE

front 13 Glands, such as the thyroid, that secrete their products directly into the blood rather than through ducts are classified as ________. A) ceruminous B) sebaceous C) exocrine D) endocrine	back 13 D) endocrine
front 14 Mesenchymal cells are most commonly found in ________ connective tissue. A) dense regular B) reticular C) areolar D) embryonic	back 14 D) embryonic
front 15 True or False? Regardless of race all humans have about the same number of melanocytes.	back 15 TRUE
front 16 Select the correct statement regarding factors that affect the tissue repair process. A) The health of an individual does not seem to make any difference in the speed of repair. B) Nutrition does not seem to influence tissue repair. C) The age of the person is a factor in the repair process. D) The type of tissue injured is not an important factor.	back 16 C) The age of the person is a factor in the repair process.

front 17 True or False? Simple cuboidal epithelia are usually associated with secretion and absorption.	back 17 TRUE
front 18 True or False? Squamous cells are flattened and scalelike when mature.	back 18 TRUE
front 19 Sudoriferous (sweat) glands are categorized as two distinct types. Which of the following are the two types of sweat glands? A) mammary and ceruminous B) holocrine and mammary C) eccrine and apocrine D) sebaceous and merocrine	back 19 C) eccrine and apocrine
front 20 True or False? Tendons and ligaments are composed mainly of dense irregular connective tissue.	back 20 FALSE

front 21 True or False? The action of the arrector pili muscle is very similar in humans as it is in other mammals but its beneficial functions differ.	back 21 TRUE
front 22 True or False? The dermis contains blood vessels and nerve fibers while the epidermis does not.	back 22 TRUE
front 23 The dermis has two major layers; which of the following constitutes 80% of the dermis and is responsible for the tension lines in the skin? A) the subcutaneous layer B) the papillary layer C) the hypodermal layer D) the reticular layer	back 23 D) the reticular layer
front 24 True or False? The apocrine sweat glands are not the primary gland involved in thermoregulation.	back 24 TRUE

front 25 The epidermis consists of five layers of cells, each layer with a distinct role to play in the health, well-being, and functioning of the skin. Which of the following layers is responsible for cell division and replacement? A) stratum lucidum B) stratum corneum C) stratum basale D) stratum granulosum	back 25 C) stratum basale
front 26 The first step in tissue repair involves ________. A) replacement of destroyed tissue by the same kind of cells B) proliferation of fibrous connective tissue C) inflammation D) formation of scar tissue	back 26 C) inflammation
front 27 True or False? The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells) circulating in the dermal capillaries and reflecting through the epidermis.	back 27 TRUE
front 28 The primary blast cell for bone is the ________. a) osteoblast b) chondroblast c) fibroblast d) hemocytoblast	back 28 a) osteoblast

front 29 True or False? The protein found in large amounts in the outermost layer of epidermal cells is keratin.	back 29 TRUE
front 30 The reason the hypodermis acts as a shock absorber is that ________. A) the cells that make up the hypodermis secrete a protective mucus B) the major part of its makeup is adipose, which serves as an effective shock absorber C) it is located just below the epidermis and protects the dermis from shock D) it has no delicate nerve endings and can therefore absorb more shock	back 30 B) the major part of its makeup is adipose, which serves as an effective shock absorber
front 31 The shape of the external ear is maintained by ________. A) hyaline cartilage B) adipose tissue C) elastic cartilage D) fibrocartilage	back 31 C) elastic cartilage
front 32 True or False? The shock-absorbing pads between the vertebrae are formed of fibrocartilage	back 32 TRUE

front 33 True or False? The skin is not able to receive stimuli because the cells of the epidermis are not living and therefore there are no sensory receptors in the skin.	back 33 FALSE
front 34 The most important factors influencing hair growth are ________. A) nutrition and hormones B) sex and hormones C) the size and number of hair follicles D) age and glandular products	back 34 A) nutrition and hormones
front 35 The three main components of connective tissue are ________. A) ground substance, fibers, and cells B) collagen, elastin, and reticular fibers C) alveoli, fibrous capsule, and secretory cells D) fibroblasts, chondroblasts, and osteoblasts	back 35 A) ground substance, fibers, and cells
front 36 What tissue has lacunae, calcium salts, and blood vessels? A) fibrocartilaginous tissue B) osseous tissue C) cartilage tissue D) areolar tissue	back 36 B) osseous tissue

front 37 Which is true concerning muscle tissue? A) cuboidal shape enhances function B) is a single-celled tissue C) highly cellular and well vascularized D) contains contractile units made of collagen	back 37 C) highly cellular and well vascularized
front 38 Which layer of the epidermis will be supplied with the highest levels of oxygen from the blood? A) basale B) spinosum C) corneum D) granulosum	back 38 A) basale
front 39 Which of the following cells and their functions are correctly matched? A) Dendritic cells activate the immune system B) Melanocytes protects cells in the stratum corneum from damaging effects of sun's rays C) Keratinocytes provide sense of touch and pressure D) Tactile cells provide protection	back 39 A) Dendritic cells activate the immune system
front 40 Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs? A) simple columnar B) simple squamous C) simple cuboidal D) pseudostratified columna	back 40 B) simple squamous

front 41 Which of the following examples listed below illustrates homeostasis maintained by a negative feedback? A) Lack of pain in third degree burns due to damage to sensory nerves in the dermis. B) An increase in sebum production in response to androgens (male sex hormones). C) Excretion of salts within the sweat. D) Release of sweat by eccrine glands in response to heat.	back 41 D) Release of sweat by eccrine glands in response to heat.
front 42 Which of the following glands secrete sebum, an oil-like substance? A) Merocrine glands B) Apocrine glands C) Sebaceous glands D) Eccrine glands	back 42 C) Sebaceous glands
front 43 Which of the following is NOT found in cartilage but is found in bone? A) organic fibers B) lacunae C) living cells D) blood vessels	back 43 D) blood vessels
front 44 Which of the following is a skin sensory receptor for touch? A) Ruffini body B) Pacinian corpuscle C) Tactile cells D) Free nerve ending	back 44 C) Tactile cells

front 45 which of the following is found in hyaline cartilage? A) chondrocyte B) fibroblast C) macrophage D) mast cell	back 45 A) chondrocyte
front 46 Which of the following statements is true of connective tissue? A) Reticular fibers form thick, ropelike structures. B) Elastin fibers are sometimes called white fibers. C) Collagen fibers provide high tensile strength. D) When connective tissue is stretched, collagen gives it the ability to snap back.	back 46 C) Collagen fibers provide high tensile strength.