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Human Body
Nursing foundations
| Question | Answer |
|---|---|
| study of structure of an organism and relationships of its parts | Anatomy |
| Study of functions of living organisms and their parts | Physiology |
| Scientific study of disease | Pathology |
| Observations and previous experiences are which step in the scientific method. | First |
| What are the steps of the scientific method? | propose hypothesis, design experiment, collect and analyze data, determine bias, refine hypothesis, repeat experiments, accept as theory, accept as law |
| If data is biased, should we redesign the experiment? | yes |
| When do you need to redesign your hypothesis | results not repeatable |
| When does a theory turn into a law? | high level of confidence |
| What determines a theory? | results being consistent. |
| Organization is the _____ ______________ characteristic of ____ structure | most important , body |
| Levels of Organization smallest to most complex | Atoms, Cells, Tissues, Organs, Systems |
| Atoms and molecules | consists of chemical life |
| Smallest structural units; organizations of various chemicals | Cells |
| Tissues: Organizations of similar _____ | Cells |
| Organizations of different kinds of tissues | Tissues |
| Organizations of many different kinds of organs | Systems |
| body is standing erect with the feet slightly apart and arms at the sides with palms turned forward | Anatomical Position |
| Anatomical position gives meaning to ____________ terms | Directional |
| Superior: Toward the _______ , upper, _________ | Head , Above |
| Toward the feet, lower, below | Inferior |
| Anterior | Front, in front of, ventral |
| Back, in back of | Posterior: |
| Medial: Toward the ________ of a structure | Medial: Toward the midline of a structure |
| Away from the midline or toward the side of a structure | Lateral |
| Toward or nearest the trunk, or nearest the point of origin of a structure | Proximal |
| Distal | Away from or farthest from the trunk,or farthest from a structure’s point of origin |
| Superficial: _______ the body surface | Nearer |
| Farther away from the body surface | Deep |
| Sagittal plane: Lengthwise plane that divides a structure into _____ and ____ sections | Sagittal plane: Lengthwise plane that divides a structure into right and left sections |
| Sagittal plane that divides the body into two equal halves | Midsagittal plane |
| Frontal (coronal) plane | Lengthwise plane that divides a structure into anterior and posterior sections |
| Transverse plane: Horizontal plane that divides a structure into _____ and _____ sections | Transverse plane: Horizontal plane that divides a structure into upper and lower sections |
| Dorsal cavity consists of? | Cranial cavity and Spinal cavity |
| The space inside the skull that contains the brain | Cranial cavity |
| Spinal cavity | The space inside the spinal column |
| Thoracic cavity, Mediastinum, Pleural cavities, and Abdominopelvic cavity are a part of? | Ventral cavity |
| Midportion of thoracic cavity; heart and trachea located in | Mediastinum |
| Right ____ located in right _______ cavity; left ____ in left _______ cavity | Right lung located in right pleural cavity; left lung in left pleural cavity |
| Abdominopelvic cavity consists of | Abdominal cavity and Pelvic cavity |
| Contains stomach, intestines, liver, gallbladder, pancreas, and spleen | Abdominal cavity |
| Pelvic cavity consists of | reproductive organs, urinary bladder, and lowest part of intestine |
| 2 types of Abdominopelvic regions | Four quadrants and Nine Regions |
| what are the Nine regions located along the diaphram? | Right hypochondriac region, Epigastric region, Left hypochondriac region, |
| what is the middle section of the nine regions? | Right lumbar (flank) region, Umbilical region, Left lumbar (flank) region |
| What of the nine sections are located in the pelvic cavity? | Right Iliac (inguinal) region, Hypogastric (pubic) region, Left Iliac (inguinal) region. |
| What are the 4 quadrants | Right upper quadrant (RUQ), Left upper quadrant (LUQ), Right lower quadrant (LLQ), Right lower quadrant (RLQ) |
| Head, neck, and torso or trunk are apart of | Axial region |
| Appendicular region consists of | Upper and lower extremities (arm and leg) |
| What are the head bones | Cranial , Temporal, Cephalic |
| head | Cephalic |
| Temporal | Side of skull |
| Upper skull | Cranial |
| what are the cephalic divisions | Cranial and Facial |
| Face | Facial |
| what are the facial bones | Orbital, Nasal, Zygomatic, Buccal, and oral |
| what bones consists in the cranial | Frontal |
| Forehead bone is | frontal |
| Eyeball bone | Orbital |
| Nose bone | nasal |
| upper cheek bone | Zygomatic |
| Buccal bone | lower cheek |
| Mouth bone | Oral |
| What bone pertains to the neck | Cervical |
| what are the upper extremitiy Appendicular divisions | Carpal, Antebrachial, Cubital, Supraclavicular, Brachial, Digitals/ phalageal, Olecranial |
| What are the lower extremity appendicular divisions? | Femoral, Crural, Tarsal, Digital, Pedal, Popliteal, Plantar,Glutteal |
| Survival of the ___________ and of the ____ that make up the body is of the utmost importance | Survival of the individual and of the genes that make up the body is of the utmost importance |
| Survival depends on the maintenance or restoration of | Homeostasis |
| Feedback loops involve a _______ , a _______ _______, and an ________ | Feedback loops involve a sensor, a control center, and an effector |
| The body uses ________ feedback loops and, less often, _________ feedback loops to maintain or restore homeostasis | Negative and Posistive |
| Ability to maintain balance of body functions is related to | age |
| young adulthood | Peak efficiency of homeostasis occurs |
| diminishing efficiency occurs | after young adulthood |
| All _______ function to maintain homeostasis | organs |
| Structure made up of two or more kinds of tissues that can together perform a more complex function than a single tissue | Organ |
| Organ system | Group of organs that perform a more complex function than can any organ alone |
| Integumentary System | the skin |
| Integumentary System skin appendages | hair, nails, microscopic sesnse receptors, sweat glands, and oil glands |
| Protection, regulation of body temperature, synthesis of chemicals , and sense organs are apart of | Integumentary System Functions |
| Bones, Cartilage, ligaments, and joints are apart of | Skeletal System |
| connects and cushions joined bones | Cartilage |
| Ligaments | Bands of fibrous tissue that hold bones together |
| Joints | Connections between bones that make movement possible |
| Skeletal System Functions | Support framework, protection of brain and internal organs, movement, storage of minerals, and formation of blood cells |
| Muscular System Structure | Muscles |
| Voluntary or straited, Involuntary or smooth | Types of muscle structure |
| Muscular System Functions | Movement |
| Skeletomuscular system: Combination of the __________ and __________ systems | Skeletomuscular system: Combination of the skeletal and muscular systems |
| Central nervous system is apart of | Nervous System |
| Brain and Spinal cord are in which nervous system | Central |
| Peripheral nervous system consists of | Cranial nerves and their branches, Spinal nerves and their branches, Sense organs |
| Nervous system consists of | Central Nervous System and Peripheral nervous system |
| The functions of the nervous system consists of | Communication between body organs, Integration of body functions, Control of body functions, and Recognition of sensory stimuli |
| Pituitary, pineal, hypothalamus, thyroid, parathyroid, thymus, and adrenal glands, pancreas, ovaries, and testes are apart of the | Endocrine System Structure |
| Which system has a faster control and duration | Nervous System |
| Which systems have similar functions? | Nervous and Endocrine |
| The hear and the blood vessels are apart of the | Cardiovascular System |
| Cardiovascular system also known as ___________ system | Circulatory |
| Combination of Nervous and Endocrine | Neuroendocrine |
| Name the functions of the cardiovascular system | Transportation of substances, regulation of body temperature, and immunity |
| Body defense is known as | Immunity |
| Lymphatic vessels, Lymph nodes and tonsils, thymus, and the spleen occupy the | Lymphatic System |
| Transporting of lymph and immunity are key functions to what system? | Lymphatic System |
| ______ system consists of Phagocytes, Secretory cells, and protein compounds | Immune |
| Protective cells are | Phagocytes |
| Secretory cells | Defensive protein compounds |
| Antibodies and Complements are | Protein compounds |
| Protein compounds are known as | secretory cells |
| Immune system Functions | phagocytosis of bacteria, chemical reactions |
| provide protection from harmful agents | chemical reactions |
| Nose, Pharynx, Larynx, Trachea, Bronchi, and Lungs are apart of the | Respiratory System |
| Respiratory System Functions | Exchange of waste gas (carbon dioxide) for oxygen in the alveoli of the lungs, Filtration of irritants from inspired air, and Regulation of acid-base balance |
| Mouth, Pharynx, Esophagus, Stomach, Small intestine, Large intestine, Rectum, and Anal canal are apart of the | Digestive System |
| Form alimentary canal, or gastrointestinal tract are the | primary organs |
| Accessory organs of the digestive process | Teeth, Salivary glands, tongue, liver, gallbladder, pancreas, and appendix |
| Mechanical and Chemical breakdown of food, absorption of nutrients, elimination of undigested waste product, and appendix holds bacteria that assist digestion are apart of | Digestive System |
| Feces are | Elimination of undigested waste product |
| Urinary system consists of | kidneys, ureters, urinary bladder, and urethra |
| the urethra is involved in _______ and ____________ systems for ______ | urinary, reproductive, males |
| "Clearing" or cleaning blood of waste products is involved in which system | Urinary |
| urinary system performs | Electrolyte balance, water balance, and acid-base balance |
| Which gender has Gonads (testes), Vas Deferens, Urethra, Prostate, and penis and scrotum | Male Reproductive system |
| Female Reproductive System consist of | Gonads (ovaries), Uterus, Uterine (fallopian tubes), Vagina, Vulva, and Mammary glands (breasts) |
| What are the External genitalia for the Reproductive System | Vulva, penis, scrotum |
| Which is an accessory organ in the reproductive system | mammary glands (breast) |
| survival of genes, production of sex cells, transfer and fertilization of sex cells, development and birth of offspring, Nourishment of offspring, and production of sex hormones are | Function of Reproductive System |
| male sex cell | sperm |
| ova | female sex cell |
| there are __ body systems | 11 |
| All body systems function independently without the need for other systems True or False? | False |
| All body systems are structurally and functionally ____________ and ______________ | Interrelated and Interdependent |
| Homeostasis can be maintained only by the coordinated and carefully regulated functioning of ____ body systems | All |
| Loss of function in ________ organs is not immediately life-threatening | nonvital |
| Loss of function in_____ organs is immediately life-threatening | Vital |
| Which organ replacement uses prostheses | Nonvital organ replacement |
| Vital organ transplantation, surgical transplants, free-flap surgeries, and stem cell treatments are | Organ replacements |
| examples of protheses | Contact lens, Pacemaker, Artificial heart pumps, Insulin Infusion device, Artificial joints, Dialysis Machine, Artificial arm arm and hand, and Cochlear implant |
| Dialysis machine replaces which organ? | Kidney |
| A Cochlear implant replaces which organ? | Ear |
| A pancreas protheses is a(n) | Insulin infusion device |
| Smallest unit of matter | Atom |
| Nucleus | Central core of atom |
| Proton: ________ charged particle in nucleus | Proton: Positively charged particle in nucleus |
| Uncharged particle in nucleus | Neutron |
| Atomic number | Number of protons in nucleus |
| Atomic mass: Number of _______ and _______ combined | protons and neutrons |
| Orbital regions surrounding atomic nucleus that contain electrons. | Energy Levels |
| Electron: __________ charged particle | Negatively |
| Energy levels may contain max of _ electrons | 8 |
| Energy level _________ the farther away it is from the nucleus | Increases |
| Pure substance; made up of only one kind of atom | Element |
| Molecule | Group of atoms bound together in a group |
| Compound: Substances whose molecules have ____ than ____ kind of atom | Compound: Substances whose molecules have more than one kind of atom |
| form to make atoms more stable | Chemical Bonding |
| Atoms may _____ electrons or ______ or ______ them to become stable | Atoms may share electrons or donate or borrow them to become stable |
| Ions | form when an atom gains or loses electrons in its outer energy level to become stable |
| Has lost electrons; indicated by superscript positive sign(s), as in Na+ or Ca++ | Positive ion |
| Negative ion | Has gained electrons; indicated by superscript negative sign(s), as in Cl− |
| Ionic Bond | Electrons are taken or given to become stabled |
| form when positive and negative (oppositely charged) ions attract each other | Ionic Bonds |
| Molecule that dissociates (breaks apart) in water to form individual ions. | Electrolyte |
| form when atoms share their outer energy ions to complete the energy level and thus become stable | Covalent bonds |
| Which bond does not disassociate in water | Covalent bonds |
| used to form all the major organic compounds found in the body | Covalent bonding |
| A bond that does not create new molecules | Hydrogen bond |
| Hydrogen bonds _______ bond to neighboring molecules | weakly |
| Hydrogen bonds are ________ in water, DNA, and proteins | present |
| Organic molecules contain ______-carbon covalent bonds and/or carbon-________. covalent bonds | carbon-carbon and carbon-hydrogen |
| Which chemistry does not contain carbon-carbon | Inorganic chemistry |
| Inorganic or Organic have larger and more complex molecules? | Organic |
| Water is an _________ compound essential to life | inorganic |
| Water is a solvent. True or False? | True |
| what is a forming aqueous solutions in the body | Water |
| Water is involved in ________ reactions | chemical |
| what are water chemical reactions? | Dehydration synthesis and Hydrolysis, |
| show how reactants interact to form products | Chemical equations |
| What separates the reactants from the product? | arrows |
| Chemical reactions _______ involve energy transfers | Always |
| What side of the arrow does the reactant lie on? | Left side |
| What side of the arrow does the product lie on | Right side |
| in Dehydration synthesis what side is water on? | the product side |
| In hydrolysis what side is water on? | the reactant side |
| Substance that shifts the H+/OH − balance in favor of H+; opposite of base | Acid |
| What are Bases? | Substance that shifts the H+/OH − balance against H+; also known as an alkaline; opposite of acid |
| Mathematical expression of relative H+ concentration in an aqueous solution | PH |
| neutral PH is | 7.0 |
| PH values less than 7.0 are | Acidic |
| Basic | PH value higher than 7.1 |
| Acidic examples are | Stomach acid, Orange juice, Vaginal secretions, black coffee, urine |
| Blood, semen, pancreatic juice, milk of magnesia, household ammonia are | Examples of Alkalinity |
| Acidic PH is high in | Hydrogen ions |
| Hydroxyl ions are high and Hydrogen ions are low in | Alkalinity |
| occurs when acids and bases mix and form salts | Neutralization |
| chemical system that absorb excess acids or bases and thus maintain a relatively stable pH | Buffer |
| What is made of | sugars |
| Carbohydrates are made up of | carbon (C), hydrogen (H), and oxygen (O) |
| Monosaccharides | Basic unit of carbohydrate molecules |
| Glucose is what type of saccharide | Monosaccharides |
| Disaccharide | Double sugar made up of two monosaccharide units |
| sucrose and lactose are exaples of | Disaccharide |
| Polysaccharide | Complex carbohydrate made up of many monosaccharide units |
| Glycogen is a ______________ | Polysaccharide |
| Formed by a glycerol unit and joined to three fatty acids | Triglycerides |
| What stores energy for later use | Triglycerides |
| have phosphorus-containing units—each with a head and two tails | Phospholipids |
| The head of a Phospholipids attracts _____ | water |
| the double tail of Phospholipids does attract water. True or False | False, it does not only the head |
| ______________ form membranes of cells | Phospholipids |
| Cholesterol Molecules | a steroid structure made up of multiple rings |
| Cholesterol stabilizes the phospholipid _____ in cellular membranes | Stabilizes the phospholipid tails in cellular membranes |
| Cholesterol coverts into ___________ by the body | Cortisol |
| Very large molecules made up of amino acids held together in long, folded chains by peptide bonds | Proteins |
| Structural proteins perform | Form essential structures of the body |
| Collagen is a _______ _______ that holds many tissues together | Fibrous Protein |
| What forms tough, waterproof fibers in the outer layer of the skin | Keratin |
| Protein structure is a sequence of amino acids in a chain is which level of protein | Primary Level of protein formation |
| Secondary Level of protein formation | Protein structure is formed by folding and twisting of amino acids chain |
| Which level consists of protein structures is formed when the twists and folds of the secondary structure fold again to form a larger 3-dimensional structure | Tertiary (third level) of protein formation |
| Quaternary level of protein formation consists of | Protein structure is a protein consisting of more than one folded amino acid chain |
| Participate in chemical processes of the body are | Functional Proteins |
| Functional Proteins can be? | hormones, cell membrane channels and receptors, and enzymes |
| What are chemical catalysts? | Enzymes |
| Enzymes or Proteins help chemical reactions occur? | Enzymes |
| Isotope action sometimes called lock-and-key model. True or False | False; Enzyme action action sometimes called lock-and-key model |
| Nucleic Acids | Made up of nucleotides |
| Consists of a phosphate unit, a sugar, and a nitrogen base are | Nucleotides |
| Ribose and deoxyribose are _____ molecules | sugar |
| What are some nitrogen bases? | Adenine, Thymine, Uracil, Guanine, and Cytosine |
| Deoxyribonucleic Acid stands for? | DNA |
| Which acid is "master code" for assembling proteins, and forms a double helix? | Deoxyribonucleic Acid |
| DNA nitrogen bases are? | Adenine (A), Thymine (T), Cytosine (C), and Guanine (G) |
| Each nucleotide consists of | Nitrogen base, Phosphate, 5-carbon sugar |
| DNA is an example of what type of bonding? | Hydrogen Bonding |
| RNA stands for? | Ribonucleic Acid |
| What acid is a temporary "working code" of a gene? | RNA |
| Which acid conatins A, U, C, and G | Ribonucleic Acid |
| Adenosine Triphosphate stands for | ATP |
| ATP breakdowns _______ to _______ processes | nutrient and cellular |
| ATP is responsible for | Energy |
| Adenosine and a Phosphate group with High-energy bonds consists in | ATP |
| Size and Shapes differ in? | Cells |
| Some cells are microscopic. True or false? | False; All |
| Substance found only in cells | cytoplasm |
| What are specialized structures within the cytoplasm? | Organelles |
| plasma membrane does? | Forms outer boundary of cell |
| What is composed of a thin, two-layered membrane of phospholipids containing proteins? | Plasma Membrane |
| plasma membrane is selectively _________ | Permeable |
| What is the Internal living material of cells? | Cytoplasm |
| Which plasma fills space between plasma membrane and nucleus? Plasma membrane or Cytoplasm | Cytoplasm |
| organelles | Numerous small structures |
| Which organelle are protein factories? | Ribosomes |
| Ribosomes manufacture _______ and other protein compounds | enzymes |
| Which organelle is made of two tiny subunits of mostly ribosomal RNA? | Ribosomes |
| May attach to rough ___________ ________ (ER) or lie free in _________ | rough endoplasmic reticulum; cytoplasm |
| Which organelle is the network of connecting sacs and canals and the function of carrying substances through fluid cytoplasm? | Endoplasmic Reticulum (ER) |
| Rough and smooth are _____ of ___________ _________ | types; Endoplasmic Reticulum |
| Rough ER functions | collects, folds, and transports proteins made by ribosomes |
| Which ER synthesizes chemicals; makes new membrane | Smooth |
| Golgi Apparatus | Group of flattened sacs near the nucleus |
| Which organelle is chemical processing and packaging center | Golgi Apparatus |
| Which orgenelle collects chemicals into vesicles that move from the smooth ER outward to plasma membrane | Golgi Apparatus |
| Proteins assembled by ribosomes are folded in the ER and pinch off in membrane vesicles are what step of Cell's protein export system | The first step |
| What is step 3 in the Cell's protein export system? | Entering the Golgi chamber, a protein undergoes chemical modifications and moves by a vesicle from chamber to chamber for further processing. |
| What is the 2 step in protein export system? | ER vesicles move to the Glogi apparatus for processing and packaging |
| The vesicle "pops open" at the cell surface to release its contents into the space outside the cell is which step in protein export? | The 5th step |
| In the 4th step of protein export processed _________ are packaged in a membranous _______ that pinches off and is pulled to the _______ of the cell | molecules; vesicle; surface |
| which organelle is composed of inner and outer membranous sacks | Mitochondria |
| Mitochondria contains ___ DNA molecule | one |
| Mitochondria is Involved with ______-________ chemical reactions | energy-releasing |
| Cell death | Apoptosis |
| Lysosomes eat ________ | microbes |
| thought to be responsible for apoptosis | Lysosomes |
| Membranous-walled organelles | Lysosomes |
| _______ contain digestive enzymes | Lysosomes |
| Centrosome serves as ___________-organizing center of cell | microtubule |
| found within centrosome | Centrioles |
| Centrioles function in cell ____________ | reproduction |
| Where is the centrosome found? | Region of cytoplasm near nucleus |
| Microvilli is? | Small, fingerlike extensions of the plasma membrane |
| Microvilli, Cilia, and Flagella are examples of? | Cell Extensions |
| Which Cell Extensions increase absorptive surface area of the cell? | Microvilli |
| Capable of moving in unison in a wavelike fashion | Cilia |
| Cilia is fine, __________ extensions found on free or exposed surfaces of some cells | hairlike |
| Single projections extending from cell surfaces | Flagella |
| Flagella is smaller than cilia. True or False | False; Much larger than cilia |
| only example of flagella in humans | sperm cells |
| another term for Cilicum | Microvilli |
| Dense region of nuclear material | Nucleolus |
| Nucleus is surrounded by nuclear ________ | envelope |
| This organelle is made up of two separate membranes and has nuclear pores? Nucleus or Nucleolus? | The Nucleus |
| Controls cell because it contains DNA, the genetic code—instructions for making proteins, which in turn determine cell structure and function | Nucleus |
| What are the component structures of the nucleus? | nuclear envelope, nucleoplasm, nucleolus, and chromatin granules |
| DNA molecules tightly coiled during cell division are called? | Chromosomes |
| Each cell has 46 chromosomes in the nucleus? True or False? | True |
| Specialized functions of a cell differ depending on ______ and type of _________ | Specialized functions of a cell differ depending on number and type of organelles |
| What are some functions of the human cell? | Some help maintain the cell and others regulate life processes of the body itself |
| Passive Transport __ ___ require added energy | does not |
| Movement down a concentration gradient | Passive Transport |
| Diffusion | Substances scatter themselves evenly throughout an available space. |
| Movement from high to low concentration is which passive transport? | Diffusion |
| Osmosis is the transport of? | water |
| Dialysis is the transport of? | solids |
| Movement of water and solutes caused by hydrostatic pressure on one side of membrane is the process of? | Filtration |
| Filtration is responsible for _____ formation. | urine |
| Which transport occurs only in living cells? | Active Transport Processes |
| Active Transport __ ___ require added energy. | does |
| Active Transport requires energy from _________ _____________ | Adenosine triphosphate |
| Ion Pumps is an example of which transport? | Active Transport |
| Movement of substances is “up the concentration gradient” is? | Active Transport |
| Ion pumps use energy from ___ to move substances across cell membranes _______ their concentration gradients | ATP; against |
| A protein complex in the cell membrane is called? | Ion Pumps |
| Examples of Ion pumps | Sodium-potassium pump and calcium pump |
| what are active transport mechanisms that require cell energy? | Phagocytosis and pinocytosis |
| a protective mechanism often used to destroy bacteria? | Phagocytosis |
| Pinocytosis is used to? | incorporate fluids or dissolved substances into cells |
| Cystic fibrosis is? | abnormally thick secretions in the airways and digestive ducts, results from failed Cl− (chloride ion) transport |
| A bacterial infection that causes Cl− and water to leak from cells lining the intestines, resulting in severe diarrhea and water loss | Cholera |
| Adenine-thymine or cytosine-guanine are? | Complementary base pairing |
| A _____ is a specific segment of base pairs in a chromosome. | gene |
| Sequence of base pairs determines heredity is a(n)? | Genetic code |
| Coded information in genes controls? | protein and enzyme production |
| _______ facilitate chemical reactions | Enzymes |
| Cellular chemical reactions determine cell _________ and ________ | structure and function |
| DNA: Contained in cell ______. | nucleus |
| Protein synthesis occurs in the? | Cytoplasm |
| Process of transferring genetic information from nucleus to cytoplasm? | Protein synthesis |
| Protein synthesis requires completion of ______________ and ___________. | Transcription and Translation |
| mRNA stands for? | Messenger RNA |
| Double-stranded DNA separates to form messenger RNA. True or False? | True |
| Each strand of mRNA ___________ a particular gene (base-pair sequence) from a segment of DNA | duplicates |
| Which molecules pass from the nucleus to the cytoplasm and direct protein synthesis in ribosomes? | mRNA |
| Translation involves | synthesis of proteins in cytoplasm by ribosomes |
| Translation requires use of information contained in _____. | mRNA |
| Codon is? | Series of three nucleotide bases that act as a code for a specific amino acid |
| Abnormal ___ that is inherited, or that results from ______, is often the basis of disease | Abnormal DNA that is inherited, or that results from damage, is often the basis of disease |
| Factors that cause damage to DNA molecules include? | chemical or mechanical irritants, radiation, bacteria, and viruses |
| Reproduction of cell involving division of the nucleus and the cytoplasm is? | Mitosis |
| interphase is? | a period when the cell is not actively dividing. |
| DNA replication is? | Process by which each half of a DNA molecule becomes a whole molecule identical to the original DNA molecule |
| Spindle fibers attach to each chromatid, chromosomes align across the center of the cell. Which step of cell life cycle is this? | 3rd - Metaphase |
| What happens in Telophase and which step is it? | The nuclear envelope and both nuclei appear, the cytoplasm and organelles divide equally creating 2 daughter cells. The 5th step. |
| Prophase is? | Chromatin condenses into chromosomes, chromatids become attached at the centromere, spindle fibers appear, the nucleus and nuclear envelope disappear. |
| Centromeres break apart, chromosomes move away from the center of the cell , the cleavage furrow appears. Which step of cell life cycle is this? | Anaphase - the 4th step |
| Cell growth, replication of chromosomes cell not actively dividing. Which step of cell life cycle is this? | Interphase- the 1st step |
| Hypertrophy is? | Increase in size of individual cells; increasing size of tissue |
| Atrophy: ________ in size of individual cells | Decrease |
| Increase in cell reproduction is which change is cell reproduction | Hyperplasia |
| Anaplasia is? | Production of abnormal, undifferentiated cells |
| Cancer is due cause of which cell reproduction? | Anaplasia |