I.Explain in the rationale the given answer to the question…. I.??????????Explain in the rationale the given answer to the question. 1.???Which of the following activities does NOT represent an anatomical study:a.???Making a section through the heart to observe its interiorb.???Examining the surface of a bone viewing muscle tissue through a microscopec.???Viewing muscle tissue through a microscoped.???Studying how the nerves conduct electrical impulsese.???Observing the parts of a reproducing cellAnswer: D Rationale: 2.???Which of the following components of control system is responsible for detecting any change and motor the value of variables? a.???Control centerb.???Stimulusc.???Effectord.???ReceptorAnswer: D Rationale: 3.???All are considered negative feedback mechanism, except:a.???Body temperature regulationb.???Uterine contraction during deliveryc.???Increase in blood pressured.???Doing exercises Answer: B Rationale:4.???Which basic approach to study anatomy is taken in the vast majority of medical and dentals schools?a.???Regional anatomy b.???Systemic anatomyc.???Surface anatomyd.???Anatomical anatomyAnswer: A Rationale: 5.???As a student nurse, you understand that it is important to study how the human body works because:a.???It is fixed and unchanging. b.???It provides a way to understand how the body maintains external conditionsc.???It can predict the responses that the body can do in every stimulusd.???It has a wide range of values to maintain homeostasisAnswer: C Rationale: 6.???Differentiation in an organism depicts a change in cell structure and function from generalize to specialized. This process is involved in: Answer: DEVELOPMENT Rationale:7.???The mechanism of homeostasis is mainly governed by: Answer: Nervous and Endocrine System Rationale:8.???During the summer, Pepper and her friends would go on a trip and hike at noon. As a student nurse, Pepper knows that her body would compensate with the change in core temperature. All of the following are expected, except:a.???The hypothalamus stimulates the blood vessels in the skin to constrictb.???The sweat glands produce sweatc.???The blood vessels send more blood to the body’s surfaced.???All the aforementioned statement are correctAnswer: ARationale:9.???Disruption in normal functioning of cells may result in death. No possible cause of disruption is occurrence of disease.a.???The first statement is correct. The second statement is wrong.b.???The first statement is wrong. The second statement is correct.c.???Both statements are correct.d.???Bothe statements are wrong.Answer: C Rationale: 10.?There are four primary types of tissues: epithelial, connective, muscle, and nervous. To be able to perform its function, each system is composed of only one specific type of tissue.a.???The first statement is correct. The second statement is wrong.b.???The first statement is wrong. The second statement is correct.c.???Both statements are correct.d.???Bothe statements are wrong.Answer: A Rationale: ?I.?????????Explain in the rationale the given answer to the question. 1.???A cell that was producing large amount of lipoproteins (proteins combine with lipids) for secretion from the cell would have large numbers of: Answer: GOLGI APPARATUS Rationale:2.???Most likely to have the largest number of mitochondria. Answer: MUSCLE CELL Rationale:3.???Substance outside the cell membrane are called: Answer: BOTH EXTRACELLULAR MATERIAL AND INTERCELLULAR MATERIAL ARE CORRECT NAMES Rationale:4.???According to fluid-mosaic model of the cell membrane: Answer: PROTEIN MOLECULES THAT PERFORM IMPORTANT CELLULAR FUNCTIONS FLOAT IN A LIPID BILAYER Rationale:5.???___________ is an example of a molecule that can directly pass through the phospholipid bilayer of the plasma membrane.Answer: CARBON DIOXIDE Rationale:6.???Cell membranes are said to be selectively permeable because they: Answer: ALLOW THE FREE PASSAGE OF SOME MATERIALS AND RESTRICT THE PASSAGE OF OTHERS Rationale:7.???Which of the following statements is TRUE concerning the cell membrane? (select all that apply) a. cholesterol within the membrane gives it added strength and flexibility. b. receptor molecules are embedded in the membrane for intercellular communication. c. carbohydrates bind to protein molecules thereby modifying the protein function as a membrane channel. d. receptor molecules embedded in the membrane are involved in cellular recognition. Answer: A,B,C,D Rationale:8.???Which of the following would occur if all cell membranes were no longer selectively permeable? (select all that apply) a. action potentials would no longer be generated b. cells would be hypertonic to their environment c. you would be subject to a higher rate of illness and disease d. cells would not be able to get and keep enough glucose to function Answer: A,C,D Rationale:?II.????????Select the correct answer and rationalize.1.???Understanding tissue structure and function is important because:a.???There is a relationship between the structure of each tissue type (how it is organized) and its function (what it does)b.???There is a relationship between tissue structure and organ functionc.???Many diseases and pathologies are tissue and cell type specificd.???Changes at the tissue level affect the function of organs.e.???All of these are correctf.????ll are correct except option CAnswer:Rationale: 2.???Which of these is NOT one of the four basic type of tissue types?a.???Glandularb.???Connectivec.???Muscled.???Epitheliume.???NervousAnswer: Rationale:3.???All are true statement about epithelial tissue: (select all that apply) a.???Epithelial tissue is vascularb.???Epithelial tissue provides physical protection for organsc.???Epithelial tissue functions in absorption & secretiond.???Epithelial tissue controls the permeability into and out of an area/organe.???Epithelial tissue consists almost entirely of extracellular material between them thereby forming a barrier against entry into the bodyAnswer: Rationale:4.???Basement membranes:a.???Function as a filter and barrier to cell or pathogen movementb.???Attach epithelial cells to the underlying tissue c.???Are secreted partially by epithelial cells and partially by the cells of the underlying tissued.???Function as a filter and barrier to cell or pathogen movement, attach epithelial cells to the underlying tissue and are secreted partially by epithelial cells and partially by the cells of the underlying tissue are true of basement membranese.???None of these is correctAnswer: Rationale:5.???The most correct classification of an epithelial tissue consisting of many layers of cells, in which the outer layer are flat and thin, and the basal layers are cuboidal or columnar is:a.???Simple columnar epithelium b.???Pseudostratified epitheliumc.???Stratified squamous epitheliumd.???Transitional epitheliume.???Simple squamous epitheliumAnswer: Rationale:6.???Epithelial cells: a.???Cover body surfaces or form glandsb.???Usually have a free surface that is not in contact with other cellsc.???Have a basement membrane that attaches to underlying tissuesd.???Can be somewhat far away from a blood vessele.???Have all these propertiesAnswer: Rationale:7.???Epithelial cells that appear cube like when an organ is relaxed and flattened when the organ is distended by fluid are classified as:a.???Simple columnar epithelium b.???Pseudostratified epitheliumc.???Stratified squamous epitheliumd.???Transitional epitheliume.???Simple squamous epitheliumAnswer: Rationale:8.???Epithelium that consists of a single layer of cells, in which some cells are tall and thin and reach the free surface and others do not, is classified as:a.???Simple columnar epithelium b.???Pseudostratified epitheliumc.???Stratified squamous epitheliumd.???Transitional epitheliume.???Simple squamous epitheliumAnswer: Rationale:9.???Which of the following statements is true? (select all that apply) a.???Transitional epithelium has cells that change shape when the tissue is stretchedb.???Transitional epithelium is found in the lining of the urinary bladder, the ureters and the superior urethra.c.???Transitional epithelium is pseudostratifiedd.???As transitional epithelium is stretched, the numbers of cell layers increases.e.???Transitional epithelium is found in cavities that can expand greatly in volume.Answer: Rationale:10.?Which of the following characteristics of tissues and cells would aid in diffusion of the movement of materials into and out of the body through the epithelium?a.???Multiple layers of relatively flat, thin cells b.???A single layer of relatively flat thin cellsc.???Multiple layers of cuboidal cellsd.???A single layer of cuboidal cellse.???Multiple layers of columnar cellAnswer: Rationale:Health ScienceScienceNursingGAS 12
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