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Bio 250 Exam 1 (100%) Questions and
Answers (2025 Updated version).
which is the most accurate statement? anatomy has always been known to reveal the relationship between body parts it is important to study the discipline of anatomy because it _________. all of the answers are correct anatomical information statement Anatomic information is all historical OR It describes body parts and considers probable function the branch of science that studies groups of cells and how they work together is called__________ anatomy the study of the early processes during the first two months of development from conception is called_________ embryology the anatomical specialty that refers to the study of general form (or morphology) and superficial anatomical markings is called________ surface anatomy
which type of anatomy refers to the study of all of the superficial and internal features in a specific ... body regional anatomy the study of the heart, blood, and blood vessels in which of the following approaches systemic anatomy choose the correct arrangement of items 1-5, ranking them from the highest to the least level of complexity 1,5,2,4,3 (organism, organ system, tissue, cellular, chemical or molecular) the basic functions preformed by all living organisms include(s) all of the above the viral ability of an organism to take certain actions when changes occur in its immediate environment is called_________ responsiveness which of the following refers to all the chemical operations underway in the body? metabolism
the viscous, superficial coating on the outer surface of the plasmalemma is called the
glycocalyx how do peripheral proteins contribute to the structure of the plasmalemma? they are attached to only one side of the membrane substances that enter the cell usually do so through the _________ integral proteins the general functions of the plasmalemma include _____________ all the answers are correct what statement describes how the plasmalemma is used in communication and sensitivity? it acts as a site for the attachment of glycoproteins and glycolipids,which act as receptors for ...in the extracellular fluid because the plasmalemma blocks some substances and allows others through, it is referred to
selectively permeable
which of the following is a passive for material movement across a plasmalemma? facilitated diffusion an active process for transporting fluid across a plasmalemma is ____________ pinocytosis iron ions and cholesterol are brought into the cell by the process of_________ receptor-mediated pinocytosis how does oxygen pass through the plasmalemma? across the membrane's lipid portion process involved in the movement of substances across a membrane at the expense of ATP, via exchange pumps, are classified as __________ active transport what is the term for the movement of water across a selectively permeable membrane from a low solute concentration to a high solute concentration? osmosis
which epithelial feature, dominated by glycoproteins and a network of five microfilaments, functions in providing a barrier that restricts the movement of proteins and other large molecules from the underlying connective tissue? clear layer of basal lamina which type of epithelium is found in proteins of the respiratory tract and includes a mixture of cell types whose nuclei are situated at varying distances from the surface? pseudostratified columnar which of the following exclusively describes stratified epithelia? they cover surfaces subjected to mechanical and chemical stress the presence of large numbers of microvilli on the exposed surfaces of epithelial cells indicates that __________ it is an area where absorption and secretion occur stereocilia are described by which of the following? present on receptor cells of the inner ear which type of epithelium is present where easy exchange of materials out of the blood is most important, such as that in the lining of the heart and all blood vessels? simple epithelium
epithelial cells usually have ___________ all the answers are correct what type of epithelium makes up the endothelium of blood vessels? simple squamous merocrine sweat glands are classified as which of the following? simple coiled tubular the integument is separated from the deep fascia around the other organs by (the)__________ hypodermis a hypodermic needle would penetrate the skin in which order epidermis, reticular layer of dermis, papillary layer of dermis which of the following cell types are wandering phagocytic cells found in the epidermis? macrophages the epidermis in a section of thin skin includes the following four layers. in what order do these occur, from the basal lamina to the superficial surface?
the most superficial layer of the epidermis in which all the cells still possess a nucleus is the
stratum granulosum which epidermal layer is not distinguishable in thin skin, and stains poorly in thick skin? stratum lucidum a bluish coloring of the skin that occurs as a result of extreme cold, or of circulatory or respiratory disorders is called_____________ cyanosis structure produce black, yellow-brown, or brown pigment in intracellular vesicles? melanocytes the superficial layer of the dermis consists of ______________ loose connective tissue which is a mojor function of the skeletal system? support of the body
the skeletal system participates in __________ all of the answers are correct in addition to osseous tissue, a typical bone contains________ other connective tissue which of the following is produced within red bone marrow? blood cells osseous tissue is classified as which of the following? connective tissue organic components of the matrix of bone include __________ collagen fibers mature bone cells that maintain and monitor the protein and mineral content of the surrounding matrix are called ____________ osteocytes
circumferential lamellae the two types of osseous tissue are_________ spongy and compact bone spongy bone is made up of a network of bony spicules arranged into parallel struts or thick, branching plates called ___________ trabeculae perforating canals___________ transmit blood vessels to osteons deep inside the bone which of the following describes a central canal contains an artery fertilization is the process whereby ____________ two haploid gametes fuse the process of cells specializing during development is_______ differentiation
a male must have at least _______ spermatozoa.
- ?x 20,000,000 (20 million)
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during implantation, the developing blastocyst receives nutrients from the _____________ none of the answers are correct formation of the germ layer is the process of _____________ gastrulation the germ layer located on the dorsum of the embryo is the _______ ectoderm
