(Test Bank) Understanding Pathophysiology The Biologic Basis For Disease In Adults And Children

Rogers, 9

Physiology

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9th Edition

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Test Bank for Understanding Pathophysiology The Biologic Basis For Disease In Adults And Children, The downloadable file consists of 372 pages, and the total size of the file is 2.44 MB. Purchase now only for highly discounted price.

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Prof.Exams TEST BANK 2022 Prof.Exams COMPLETE Elaborated Test Bank for McCan ce & Huether’s Understanding Pathophysiology The Biologic Basis for Disease in Adults and Children 9Ed. by Julia Rogers 2022 Prof.Exams TABLE OF CONTENTS PART ONE: Central Concepts of Pathophysiology: Cells and Tissues UNIT I The Cell 1 Cellular Biology 2 Alter ed Cellular and Tissue Biology: Environmental Agents 3 The Cellular Environment: Fluids and Electrolytes, Acids and Bases UNIT II Genes and Gene -Environment Interaction 4 Genes and Genetic Diseases 5 Genes, Environment -Lifestyle, and Common Diseases 6 Epig enetics and Disease UNIT III Mechanisms of Self -Defense 7 Innate Immunity: Inflammation and Wound Healing 8 Adaptive Immunity 9 Alterations in Immunity 10 Infection 11 Stress and Disease UNIT IV Cellular Proliferation: Cancer 12 Cancer Biology 13 Cancer Ep idemiology 14 Cancer in Children and Adolescents UNIT V The Neurologic System 15 Structure and Function of the Neurologic System 16 Pain, Temperature Regulation, Sleep, and Sensory Function Alterations in Cognitive Systems, Cerebral Hemodynamics, and Motor Function 18 Alterations of the Brain, Spinal Cord, and Peripheral Nerves 19 Neurobiology of Schizophrenia, Mood Disorders, Anxiety Disorders, Posttraumatic Stress Disorder, and obsessive -compulsive disorder Prof.Exams 20 Alterations of Neurologic Function in Children UNIT VI The Endocrine System 21 Mechanisms of Hormonal Regulation 22 Alterations of Hormonal Regulation 23 Obesity, Starvation, and Anorexia of Aging UNIT VII The Reproductive Systems 24 S tructure and Function of the Reproductive Systems 25 Alterations of the Female Reproductive System 26 Alterations of the Male Reproductive System 27 Sexually Transmitted Infections UNIT VIII The Hematologic System 28 Structure and Function of the Hematolog ic System 29 Alterations of Hematologic Function 30 Alterations of Hematologic Function in Children UNIT IX The Cardiovascular and Lymphatic Systems 31 Structure and Function of the Cardiovascular and Lymphatic Systems 32 Alterations of Cardiovascular Func tion 33 Alterations of Cardiovascular Function in Children UNIT X The Pulmonary System 34 Structure and Function of the Pulmonary System 35 Alterations of Pulmonary Function 36 Alterations of Pulmonary Function in Children UNIT XI The Renal and Urologic Sy stems 37 Structure and Function of the Renal and Urologic Systems 38 Alterations of Renal and Urinary Tract Function 39 Alterations of Renal and Urinary Tract Function in Children UNIT XII The Digestive System 40 Structure and Function of the Digestive System, 1285 Prof.Exams 41 Alterations of Digestive Function 42 Alterations of Digestive Function in Children UNIT XIII The Musculoskeletal System 43 Structure and Function of the Musculoskeletal System 44 Alterations of Mus culoskeletal Function 45 Alterations of Musculoskeletal Function in Children UNIT XIV The Integumentary System 46 Structure, Function, and Disorders of the Integument 47 Alterations of the Integument in Children UNIT XV Multiple Interacting Systems 48 Shoc k, Multiple Organ Dysfunction Syndrome, and Burns in Adults 49 Shock, Multiple Organ Dysfunction Syndrome, and Burns in Children Chapter 01: Cellular Biology Huether & McCance: Understanding Pathophysiology, 9th Edition MULTIPLE CHOICE 1. A student is observing a cell under the microscope. It is observed to have supercoiled DNA with histones. Which of the following would also be observed by the student? a. A single circular chromosome b. A nucleus c. Free-floating nuclear material d. No organelles ANS: B The cell described is a eukaryotic cell, so it has histones and a supercoiled DNA within its nucleus; thus, the nucleus should be observed. A single circular chromosome called a prokaryote contains free-floating nuclear material but has no organelles. REF: p. 2 2. A nurse is instructing the staff about cellular functions. Which cellular function is the nurse describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy? a. Metabolic absorption b. Communication c. Secretion d. Respiration ANS: D The cell’s ability to absorb oxygen is referred to as respiration while its communication ability involves maintenance of a steady dynamic state, metabolic absorption provides nutrition, and secretion allows for the synthesizing of new substances. REF: p. 2 3. A eukaryotic cell is undergoing DNA replication. In which region of the cell would most of the genetic information be contained? a. Mitochondria b. Ribosome c. Nucleolus d. Nucleus Cytoplasm ANS: C The region of the cell that contains genetic material, including a large amount of ribonucleic acid, most of the DNA, and DNA -binding proteins, is the nucleolus, which is located within the cell’s nucleus. Mitochondria is associated with cellular respiration, while ribosomes are involved with protein manufactu ring. Cytoplasm is a fluid filling that is a component of the cell. REF: p. 2 4. Which of the following can remove proteins attached to the cell’s bilayer by dissolving the layer itself? a. Peripheral membrane proteins b. Integral membrane proteins c. Glycoproteins d. Cell adhesion molecules ANS: B Proteins directly attached to the membrane bilayer can be removed by the action of integral membrane proteins that dissolve the bilayer. Peripheral membrane proteins reside at the surface while cell adhesion molecules are on the outside of the membrane. Glycoprotein marks cells and does not float. REF: p. 7 5. Which of the following can bind to plasma membrane receptors? a. Oxygen b. Ribosomes c. Amphipathic lipids d. Ligands ANS: D Ligands are the only specific molecules that can bind with receptors on the cell membrane. REF: p. 9 6. A nurse is reviewing a report from a patient with metastatic cancer. What alternation in the extracellular matrix wou ld support the diagnosis of metastatic cancer ? a. Decreased fibronectin b. Increased collagen c. Decreased elastin d. Increased glycoproteins ANS: A Only a reduced amount of fibronectin is found in some types of cancerous cells, allowing them to travel or metastasize. REF: p. 10 7. Which form of cell communication is used to relate to other cells in direct physical contact? a. Cell junction b. Gap junction c. Desmosome d. Tight junction ANS: A Cell junctions hold cells together and permit molecules to pass from cell to cell. Gap junctions allow for cellular communication between cells. Neither desmosomes nor tight junctions are associated with cellular communication. REF: p. 11 8. Pancreatic beta cells secrete insulin, which inhibits secretion of glucagon from neighboring alpha cells. This action is an example of which of the following signaling types? a. Paracrine b. Autocrine c. Neurohormonal d. Hormonal ANS: A Paracrine signaling involves the release of local chemical mediators that are quickly taken up, destroyed, or immobilized, as in the case of insulin and the inhibition of the secretion of glucagon. None of the other options involve signaling that is associated with a local chemical mediator like insulin. REF: p. 12 9. In cellular metabolism, each enzyme has a high affinity for a: a. solute. b. substrate. c. receptor. d. ribosome. ANS: B Each enzyme has a high affinity for a substrate, a specific substance converted to a product of the reaction. Cellular metabolism is not dependent on an attrac tion between an enzyme and any of the remaining options. REF: p. 16 10. An athlete runs a marathon, after which his muscles feel fatigued and unable to contract. The athlete asks the nurse why this happened. The nurse’s response is based on the knowledge that the problem is result of a deficiency of: a. GTP b. AMP c. ATP d. GMP ANS: C Whe n ATP is deficient, impaired muscle contraction results. None of the other options are involved in muscle contraction. REF: p. 16 11. Which phase of catabolism produces the most ATP? a. Digestion b. Glycolysis c. Oxidation d. Citric acid cycle ANS: D While some ATP is produced during the oxidation and glycolysis phases, most of the ATP is generated during the citric acid cycle. Digestion does not produce any ATP. REF: p. 16 12. A nurse is teaching the staff about the phases of cellular catabolism. Which phases should the nurse include? a. Digestion, glycolysis, oxidation, and the citric acid cycle b. Diffusion, osmosis, and mediated transport c. S phase, G phase, and M phase d. Metabolic absorption, respiration, and excretion ANS: A Only digestion, glycolysis, oxidation, and the citric acid cycle are the phases of cellular catabolism. REF: p. 16 13. A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? a. Electron -transport chain b. Aerobic glycolysis c. Anaerobic glycolysis d. Oxidative phosphorylation ANS: C When no oxygen is available, anaerobic glycolysis occurs. The electron -transport chain is part of the citric acid cycle. Aerobic glycolysis involves the presence of oxygen. Oxidative phosphorylation is the mechanism by which the energy produced from carbohydrates, fats, and proteins is transferred to ATP. It is not part of muscle performance. REF: p. 16 14. A faculty member asks a student to identify the appropriate term for the movement of a solute from an area of greater to lesser concentration. Which answer indicates the nursing student understood the teaching? a. Osmosis b. Diffusion c. Hydrostatic pressure d. Active transport ANS: B Diffusion is the movement of a solute molecule from an area of greater solute concentration to an area of lesser solute concentration through a permeable membrane. Osmosis is the movement of water across a semipermeable membrane from a region of higher water concentration to one of lower concentration. Hydrostatic pressure is the force of fluid against a cell membrane. In active transport, molecules move up a concentration gradient. REF: p. 19 15. Which description accurately describes electrolytes? a. Small lipid-soluble molecules b. Large protein molecules c. Micronutrients used to produce ATP d. Electrically charged molecules ANS: D Electrolytes are electrically charged molecules. They are not lipid soluble, they are not made up of protein, and they do not play a role in ATP production. REF: p. 18 16. A nurse is reading a chart and sees the term oncotic pressure. The nurse recalls that oncotic pressure (colloid osmotic pressure) is determined by: a. the concentration of sodium. b. plasma proteins. c. hydrostatic pressure. d. the availability of membrane transporter proteins. ANS: B Oncotic pressure is determined by the effect of colloids or plasma proteins. The concentration of sodium plays a role in tonicity. Hydrostatic pressure is the force within a vessel. Membrane transporter proteins are involved in active transport within a concentration gradient. REF: p. 20 17. A patient has a body fluid of 300 mOsm/kg. This lab result is measuring: a. osmolality. b. osmolarity. c. osmotic pressure. d. oncotic pressure. ANS: A NURSINGTB.COM Osmolality measures the number of milliosmoles per kilogram of water, or the concentration of molecules per weight of water, while osmolarity measures the number of milliosmoles per liter of solution, or the concentration of molecules per volume of soluti on. Osmotic pressure is the amount of hydrostatic pressure required to oppose the osmotic movement of water. Oncotic pressure is from plasma proteins, not body fluids. REF: p. 19 18. A nurse is discussing the movement of fluid across the arterial end of capillary membranes into the interstitial fluid surrounding the capillary. Which process of fluid movement is the nurse describing? a. Hydrostatic pressure b. Osmosis c. Diffusion d. Active transport ANS: A Blood reaching the capillary bed has a hydrostatic pressure of 25 –30 mm Hg, which is sufficient force to push water across the thin capillary membranes into the interstitial space. Osmosis involves the movement of fluid from an area of hig her concentration to an area of lower concentration. It does not involve pressure or force. Diffusion is the passive movement of a solute from an area of higher solute concentration to an area of lower solute concentration. Active transport involves moveme nt up a concentration gradient. REF: p. 19 19. How are potassium and sodium transported across plasma membranes? a. By passive electrolyte channels b. By coupled channels c. By adenosine triphosphate enzyme (ATPase) d. By diffusion ANS: C The transporter protein ATPase is directly related to sodium and potassium transport via active transport. Electrolyte movements require energy and do not move passively, nor are they transported by diffusion. Enzymes, not electrolytes, are passed via coupled channels. REF: p. 21 20. The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of which of the following types of transport? a. Biport b. Uniport c. Antiport d. Symport ANS: D When ions are transported in one direction, it is termed symport. There is no such term as biport. Uniport refers to the movement of a single molecule. Antiport refers to the movement of molecules in the opposite direction. REF: p. 19, Figure 1-22 NURSINGTB.COM 21. During which process are bacteria engulfed for ingestion? a. Endocytosis b. Pinocytosis c. Phagocytosis d. Exocytosis ANS: C Phagocytosis (cell eating) involves the ingestion of large particles, such as bacteria, through the formation of large vesicles. Endocytosis involves the formation of vesicles to facilitate movement into the cell. Pinocytosis is a type of endocytosis in which fluids and solute molecules are ingested through the formation of small ve sicles. Exocytosis occurs when coated pits invaginate and internalize ligand -receptor complexes in coated vesicles. REF: p. 22 22. Some cancer drugs work during the cell cycle phase where nuclear and cytoplasmic divisions occur. What is this cell cycle phase called? a. G1 b. S c. M d. G2 ANS: C The M phase includes both nuclear and cytoplasmic divisions. The G 1 phase includes the period between the M phase and the start of DNA synthesis. The S phase includes synthesis of DNA in the cell nucleus. The G2 phase includes RNA and protein synthesis. REF: pp. 25-26 23. Which causes the rapid change in the resting membrane potential that initiates an action potential? a. Potassium gates open, and potassium rushes into the cell, changing the membrane potential from negative to positive. b. Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive. c. Sodium gates close, allowing potassium into the cell to change the membrane potential from positive to negative. d. Potassium gates close, allowing sodium into the cell to change the membrane potential from positive to negative. ANS: B When the threshold is reached, the cell will continue to depolarize with no further stimulation. The sodium gates open, and sodium rushes into the cell, causing the membrane potential to reduce to zero and then become positive (depolarization). Sodium is involved in creating the action potential, not potassium. The sodium gate and channel must be open, not closed. The action potential is not affected by a change in the potassium gate. REF: pp. 24 -25 24. A cell is isolat ed, and electroNphUyRsiSolIogNyGstTuBdi.esCreOvMeal that the resting me mbrane potential is −70 mV. The predominant intracellular ion is Na+, and the predominant extracellular ion is K+. With voltage change, which of the following would result in an action potential? a. K+ rushing into the cell b. Na+ rushing into the cell c. Na+ rushing out of the cell d. K+ rushing out of the cell ANS: A With voltage change, potassium rushes into, not out of, the cell. Sodium movement is not related to this process. REF: pp. 24 -25 25. A nurse teaching the staff about platelet -derived growth factor includes information that platelet -derived growth factor (PDGF) stimulates the production of: a. platelets. b. epidermal cells. c. connective tissue cells. d. fibroblast cells. ANS: C Different types of cells require different growth factors; for example, PDGF stimulates the production of connective tissue cells, but not platelets, epidermal cells, or fibroblast cells. U S N T O REF: p. 27 26. The phase of the cell cycle during which the centromeres split and the sister chromatids are pulled apart is referred to as: a. anaphase. b. telophase. c. prophase. d. metaphase. ANS: A Anaphase begins when the centromeres split and the sister chromatids are pulled apart. During telophase, a new nuclear membrane is formed around each group of 46 chromosomes, the spindle fibers disappear, and the chromosomes begin to uncoil. During prophase, the first appearance of chromosomes occurs. Metaphase occurs when two centrioles located at opposite poles of the cell pull the chromosomes to opposite sides of the cell. REF: p. 26 27. What is the role of cytokines in cell reproduction? a. Provide growth factor for tissue growth and development. b. Block progress of cell reproduction through the cell cycle. c. Restrain cell growth and development. d. Provide nutrients for cell growth and development. ANS: A Cytokines play a major role in the regulation of tissue growth and development but do not restrain it. Cytokin es help ovNercoRmeIintrGaceBllu.laCr brMaking m echanism s that restrain cell growth and promote cell growth, but they do not provide nutrients. REF: p. 26 28. A biopsy of the lung bronchi revealed ciliated epithelial cells that are capable of secretion and absorption. These cells are called columnar epithelium. a. simple b. ciliated simple c. stratified d. pseudostratified ciliated ANS: B Ciliated simple columnar epithelium is found in the lungs. Simple columnar epithelium is found from the stomach to the anus. Stratified columnar epithelium is found in the lining of the epiglottis, part of the pharynx, the anus, and the male urethra. Pseud ostratified ciliate columnar epithelium is found in the lining of the large ducts of some glands (parotid, salivary), male urethra, respiratory passages, and Eustachian tubes of the ears. REF: p. 30, Table 1 -6 29. A student is reviewing functions of the cell. The student would be correct in identifying a chief function of the nerve cell as: a. sensory interpretation. b. conductivity. c. maintenance of homeostasis. d. communication. ANS: B Conductivity, not sensory interpretation, homeostasis, or communication, is one of the eight chief functions of nerve cells. REF: p. 2 MULTIPLE RESPONSE 1. A nurse recalls that the basic types of tissues are: (select all that apply) a. nerve. b. epithelial. c. mucosal. d. connective. e. skeletal. f. muscle. ANS: A, B, D, F The basic tissue types include nerve, epithelial, connective, and muscle. Mucosal is a type of epithelial cell, while skeletal is a type of connective tissue. REF: p. 27 2. Characteristics of prokaryotes include which of the following? (select all that apply) a. They contain no organelles. b. Their nuclear material is NnoUt RenScIasNedGbTyBa.nuCcOleMar memb rane. c. They contain a distinct nucleus. d. They contain histones. e. They contain a cellular membrane. ANS: A, B The prokaryotes lack a cellular membrane that encases nuclear material, thus they have no distinct nucleus; organelles and histones are also missing. REF: p. 1 Chapter 02: Genes and Genetic Diseases Huether & McCance: Understanding Pathophysiology, 9th Edition MULTIPLE CHOICE 1. A nurse recalls the basic components of DNA are: a. pentose sugars and four phosphate bases. b. a phosphate molecule, deoxyribose, and four nitrogenous bases. c. adenine, guanine, and purine. d. codons, oxygen, and cytosine. ANS: B The three basic components of DNA are deoxyribose; a phosphate molecule; and four types of nitrogenous, not phosphate, bases. DNA does not contain condone. REF: p. 38 2. Which of the following mutations have the most significant effect on protein synthesis? a. Base pair substitutions b. Silent mutations c. Intron mutations d. Frameshift mutations ANS: D The frameshift mutation involves the insertion or deletion of one or more base pairs of the DNA molecule. This greatly alters the amino acid sequence, which affects protein synthesis. The base pair subst itution is Na tUypReSoIf NmGutTatBio.n CinOwMhich one base pair replaces another. Silent mutations do not change amino acids or protein synthesis. Intron mutations are part of RNA sequencing. REF: p. 39 3. The base components of DNA are: a. A, G, C, and U. b. P, G, C, and T. c. A, G, C, and T. d. X, XX, XY, and YY. ANS: C The four base components of DNA are cytosine, thymine, adenine, and guanine, and are commonly represented by their first letters (A, C, T, and G) and not components identified as P or U. X, XX, XY, and YY are components of human chromosomes. REF: p. 38 4. A DNA strand has a region with the sequence ATCGGAT. Which of the following would be a complementary strand? a. CGATACGT b. TAGCCTAG c. TUGCCTUG