NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success, Exams of Nursing

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NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success enzymes - correct answer ✅catalyze chemical reactions by lowering activation energy barriers and converting substrate molecules to products substrate - correct answer ✅reactant acted upon by an enzyme enzymes active site binds to this active site - correct answer ✅part of an enzyme to which substrates bind and where a reaction is catalyzed enzymes - correct answer ✅promote chemical reactions by bringing substrates together in an optimal orientation, thus creating an ideal chemical environment for the reaction to occur always return to original state decomposition - correct answer ✅single compound breaks down into two or more elements or new compounds NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success These reactions often involve heat, light, electricity synthesis - correct answer ✅multiple reactants combine to form a single product Release energy in form of heat and light (exothermic) Hydrogen and oxygen -> water exchange - correct answer ✅any class of reactions between two substances that involves an exchange of one or more ionic components (positive and negative charges) solvent - correct answer ✅substance solute is dissolved in polar molecule - correct answer ✅a molecule that has electrically charged areas covalent bonds - polarity if its atoms differ in electronegativity can form hydrogen bonds NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success macromolecules that contain nitrogen as well as carbon, hydrogen, and oxygen nucelic acid - correct answer ✅RNA, DNA function - correct answer ✅_____ of a protein is dependent on its 3D structure determined by a sequence of amino acids in the protein polymer proteins - correct answer ✅embodiment of the transition from one-dimensional to three cell theory - correct answer ✅All life is made up cells which are the basic units of life and come from preexisting cells requirements of cell life - correct answer ✅ ribosomes - correct answer ✅makes proteins golgi apparatus - correct answer ✅make, process, and package proteins NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success lysosome - correct answer ✅contains digestive enzymes to help break down food endoplasmic reticulum - correct answer ✅"intracellular highway" transports item around the cell, creates lipids of fat mitochondria - correct answer ✅Powerhouse of the cell, organelle that is the site of ATP (energy) production nucleus - correct answer ✅brains of the cell, directs cell activity and contains genetic material called chromosomes made of DNA cytoplasm - correct answer ✅jellylike substance inside cells that contains molecules and in some cell organelles Translation and glycolysis takes place cisternae - correct answer ✅flattened stacked membrane folds liposome - correct answer ✅membrane bound transport vescicles chloroplast - correct answer ✅creates glucose NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success photosynthesis G0 - correct answer ✅not growing or dividing G1 - correct answer ✅cell growth, cellular contents (not chromosomes) duplicated S - correct answer ✅each of the 46 chromosomes duplicated by cell DNA synthesis (replication) G2 - correct answer ✅"double checks" the duplicated chromosomes for error and makes repairs cell growth (interphase, 46 chromosomes) mitosis - correct answer ✅a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth prophase - correct answer ✅chromosomes doubled condensation of chromatin, nucleolus disappears NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success proximal - correct answer ✅nearer to the origination of a structure distal - correct answer ✅farther from the origination of a structure coronal plane - correct answer ✅frontal plane A vertical plane running from side to side; divides the body or any of its parts into anterior and posterior portions. Purpose of Scientific Method - correct answer ✅solve a problem or answer a question Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude - correct answer ✅steps of scientific method Independent variable - correct answer ✅a variable that stands alone and isn't changed by the other variables you are trying to measure, change or controlled example: age NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success dependent variable - correct answer ✅a variable dependent on other factors, tested or measured example: test score - factors that go into a score you receive on a test control group - correct answer ✅does not receive treatment and used to compare or measure the other subjects experimental group - correct answer ✅exposed to changes in independent variable anatomy - correct answer ✅branch of science concerned with bodily structure of living organisms; structure physiology - correct answer ✅science dealing with the functions of living things or their organs level of organization - correct answer ✅living things arranged from the simplest to most complex are: organelle NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success cells tissues organs organ systems, organism populations communities ecosystem biosphere requirements for life - correct answer ✅Cellular organization Reproduction Metabolism Homeostasis Heredity Response to stimuli Growth and development Adaptation through evolution survival needs - correct answer ✅Food, oxygen, water, body temperature, atmospheric pressure (oxygen/carbon dioxide exchange) NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success thoracic cavity - correct answer ✅lungs, heart, esophagus, trachea, thymus abdominal cavity - correct answer ✅stomach, liver, spleen, gallbladder, small/large intestines, kidneys pleural cavity - correct answer ✅contains lungs pelvic cavity - correct answer ✅end of large intestines, urinary bladder, reproductive organs mediastinum - correct answer ✅seperates lungs pericardial - correct answer ✅contains heart axial - correct answer ✅head, neck, and trunk of body appendicular - correct answer ✅limbs NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success electron - correct answer ✅negatively charged particle, outer shell proton - correct answer ✅positive, in nucleus number of protons - correct answer ✅number of electrons is equal to the same... number of protons - correct answer ✅atomic number is equal to... atomic mass - correct answer ✅sum of protons and neutrons in the nucleus the weighted average mass of isotopes of an element, found below the element symbol ionic bond - correct answer ✅chemical bond formed between two ions that are opposite charges, atom gives up one or more electrons to another atom covalent bond - correct answer ✅sharing electron pairs between atoms polar covalent bond - correct answer ✅pair of electrons unequally shared between two atoms NAS2 Challenge Exam Questions and Answers (With Solutions) 2023 Guaranteed Success nonpolar covalent bond - correct answer ✅two atoms share a pair of electrons with each other hydrogen bond - correct answer ✅weak bond result of attraction between proton and electronegative atom of another sagittal plane - correct answer ✅lateral plane A vertical plane running from front to back; divides the body or any of its parts into right and left sides axial plane - correct answer ✅transverse plane A horizontal plane; divides the body or any of its parts into upper and lower parts median plane - correct answer ✅Sagittal plane through the midline of the body; divides the body or any of its parts into right and left halves atomic structure - correct answer ✅ steps of mitosis - correct answer ✅