Anatomy Exam 2 Quizlet PDF

Transitional epithelium, such as found in parts of the urinary system, has which of the following functions? A. Absorption B. Filtration C. Stretch D. Secretion A(n) _____ consists of groups of cells that are similar in structure and work towards a common function A. organ system B. tissue C. organ...

Transitional epithelium, such as found in parts of the urinary system, has which of the following functions? A. Absorption B. Filtration C. Stretch D. Secretion A(n) _____ consists of groups of cells that are similar in structure and work towards a common function A. organ system B. tissue C. organelle D. organ Scatterer among columnar epithelial cells of the digestive tract is another cell type called _________ A. Fibroblasts B. Macrophages C. Mast cells D. Goblet Cells What type of cartilage is the outer ear made of? A. hyaline cartilage B. elastic cartilage C. fibrocartilage Which of the following choices describes smooth muscle cells? A. Short, branching shape; single nucleus; voluntary control B. round, shape; multiple nuclei; voluntary control C. fusiform shape; single nucleus; involuntary control D. long, cylindrical shape; multiple nuclei; involuntary control Intercalated discs are found within _______ A. cardiac muscle B. Areolar tissue C. hyaline cartilage D. Smooth Muscle The free surface of an epithelial tissue is called the _______ layer. A. reticular B. papillary C. basal D. apical What are the most abundant fibers in connective tissue? Hint they provide high tensile strength. A. collagen fibers B. dietary fibers C. elastic fibers D. reticular fibers Which tissue contains striations? A. cardiac and skeletal muscle B. dense regular and irregular connective tissue. C. skeletal and smooth muscle D. areolar and elastic tissue The inner lining of blood vessels is called _______ A. plasma B. endothelium C. mesothelium D. transitional epithelium How is hyaline cartilage different from elastic cartilage or fibrocartilage? A. it contains more blood vessels B. its chondrocytes contain more nuclei. C. it is more easily degraded D. its fibers are not usually visible The walls of the urinary bladder consists of __________ muscle tissue A. Skeletal B. Cardiac C. Smooth Based on your knowledge of diffusion, which layer of the epidermis would receive the least amount of oxygen from dermal capillaries? A. Stratum granulosum B. Stratum spinosum C. stratum basale Sunlight initiates vitamin D production in the skin. Which mineral is more abundantly absorbed from our diets because of vitamin D? A. Na+ B. Ca2+ C. Mg2+ D. Cl- Which statement is true regarding apocrine and eccrine sweat glands? A. Apocrine glands are not capable of producing milk, but eccrine glands are capable B. Apocrine glands are active from birth, eccrine glands are activated at puberty C. Apocrine Gland secretions have more fat and protein than eccrine gland secretions. D. Apocrine glands are used for thermoregulation, eccrine glands have no known function Another name for a Merkel Cell is _______ A. dendritic cell B. tactile cell C. Pacinian Corpuscle D. melanocyte Which of the following is NOT a region of the hair shaft? A. cuticle B. bulb C. Cortex D. medulla Mitosis occurs primarily in the _______ of the epidermis A. stratum granulosum B. stratum corneum C. stratum basale D. stratum lucidum The functional unit of compact bone, composed of concentric rings of bone matrix, is called a(n) A. Osteon B. Lamella C. canaliculus D. trabecula Which gland produces calcitonin? A. thyroid gland B. parathyroid gland C. thymus gland D. pituitary gland A ________ is a sharp, slender, often pointed projection on a bone. A. spine B. ramus C. foramen D. facet The zone of _________ in the epiphyseal plate represents the area of cartilage where chondrocytes are growing in size rather than numbers. A. Hypertrophy B. quiescence (resting zone) C. proliferation D. calcification Which bone cell type is involved in bone resorption? A. Bone lining cells B. osteoblast C. osteoclast D. osteocytes Which statement best describes Wolff's law? A. vertical growth of bones is dependent on age B. Shape and thickness of bone is dependent upon the stresses placed upon it C. Bone diameter is dependent on osteoblast to osteoclast ration D. Bone function is dependent on bone shape What is the trigger for secretion of parathyroid hormone? A. hematopoiesis B. Low blood calcium levels C. bone fracture D. high blood calcium levels Which of the following best describes a greenstick fracture? A. common sports fracture resulting from a twisting force B. bone fragments into three or more pieces common in the elderly C. fracture bone ends are misaligned D. Incomplete fracture of bone without actual separation of the parts; common in children osteoclasts are involved in the process of ________ A. bone addition B. bone sizing C. bone deposition D. bone resorption The Periosteum is secured to the underlying bone by ___________ A. Sharpey's fibers B. trabeculae C. Volksmann's canals D. osteogenic stem cells What does the term Diploë reference? A. two types of marrow found within most bones B. that most bones are formed of two types of bone tissue C. double-layered nature of the connective tissue covering the bone D. internal layer of spongy bone between two layers of compact bone Which hormone increases blood calcium levels by activating osteoclasts? A. estrogen B. thyroid hormone C. calcitonin D. parathyroid hormone What do cartilage and epithelium have in common? A. both contain goblet cells B. both are nutrient storage tissues C. both are amitotic D. both are avascular connective tissues are diverse in both structure and function. What is one thing that all have in common? A. same type of fibers B. mesenchyme as an origin C. they connect with each other D. same type of cells What can be found inside intercalated discs? A. erythrocytes and leukocytes B. collagen fibers and tight junctions C. gap junctions and desmosomes D. elastic fibers and fat droplets the superficial layer of the. dermis is called the ________ layer A. papillary B. reticular C. basal D. apical the glassy membrane of the hair follicle is another name for a thickened _________ A. dermal papilla B. hair matrix C. basement membrane D. layer of melanocytes the reticular layer of the dermis consists of ________ tissue A. stratified squamous B. dense irregular connective C. adipose D. areolar The periosteum has two distinct layers> One is a layer of fibrous tissue and the other is. a layer of ________ A. articular cartilage B. sharpey's fiber C. osteogenic cells D. trabeculae of spongy bone