InstructiоnsReаd eаch questiоn cаrefully.Answer each questiоn by bubbling your answer on the Scantron answer sheet.After you have finished answering all questions, select TRUE.Click Finish Attempt at the bottom of the page.On the next page, click Submit All and Finish.If a confirmation message appears, click Submit All and Finish again to complete your submission.Once your assessment has been submitted successfully, notify your proctor that you are finished. Please wait for the proctor's instructions before proceeding to the next step.ANATOMY AND PHYSIOLOGY I CHAPTERS 1-2 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. What is anatomy? a. The study of body structures and their relationships c. The study of diseases and their treatments b. The study of body functions and activities d. The study of microorganisms in the body ____ 2. What is physiology? a. The study of body regions c. The study of body functions and how body parts work b. The study of body cavities d. The study of body movements only ____ 3. What best describes the relationship between anatomy and physiology? a. Anatomy studies disease while physiology studies treatment. c. Anatomy studies organs while physiology studies bones only. b. Anatomy studies structure, and physiology studies function. d. Anatomy and physiology are completely unrelated fields. ____ 4. Which level of organization is the basic structural and functional unit of life? a. Tissue c. Cell b. Organ d. Organ system ____ 5. What is formed when similar cells perform a common function together? a. Organ c. Organism b. Tissue d. Organism ____ 6. Which level of organization is composed of two or more tissue types performing a specific function? a. Organ system c. Cell b. Organ d. Molecule ____ 7. Which level of organization consists of organs working together to perform a common function? a. Organ system c. Organ b. Tissue d. Cell ____ 8. What is the correct sequence of the levels of organization from simplest to most complex? a. Cell - Tissue - Organ - Organ System - Organism c. Tissue - Cell - Organ - Organism - Organ System b. Organ - Cell - Tissue - Organism - Organ System d. Organism - Organ System - Organ - Tissue - Cell ____ 9. Where is the body positioned in the standard anatomical position? a. Standing erect with palms facing forward c. Standing with palms facing backward b. Sitting with arms crossed d. . Lying flat with arms at the sides ____ 10. What directional term describes a body part located closer to the head? a. Inferior c. Superior b. Distal d. Lateral ____ 11. What directional term describes a body part located farther from the body's midline? a. Medial c. Superior b. Lateral d. Deep ____ 12. What directional term describes a body part located nearer to the body's midline? a. Distal c. Medial b. Lateral d. Superficial ____ 13. Which directional term describes a body part located closer to the point of attachment? a. Proximal c. Inferior b. Distal d. Posterior ____ 14. Which directional term describes a body part located farther from the point of attachment? a. Medial c. Deep b. Distal d. Ipsilateral ____ 15. What body plane divides the body into right and left portions? a. Frontal plane c. Sagittal plane b. Transverse plane d. Oblique plane ____ 16. Which body plane divides the body into anterior and posterior portions? a. Sagittal plane c. Transverse plane b. Frontal plane d. Median plane ____ 17. Which body plane divides the body into superior and inferior portions? a. Coronal plane c. Transverse plane b. Median plane d. Parasagittal plane ____ 18. Where is the cranial cavity located? a. Within the skull c. Behind the abdominal cavity b. Within the pelvis d. Between the lungs ____ 19. What organ is located within the cranial cavity? a. Heart c. Liver b. Brain d. Stomach ____ 20. What organ is located within the vertebral canal? a. Kidney c. Pancreas b. Spinal cord d. Lung ____ 21. What organ is located within the thoracic cavity? a. Liver c. Heart b. Stomach d. Urinary bladder ____ 22. What organ is located primarily within the abdominal cavity? a. Brain c. Heart b. Liver d. Spinal cord ____ 23. Which membrane covers the surface of the lungs? a. Parietal pleura c. Parietal peritoneum b. Visceral pleura d. Dura mater ____ 24. Which membrane lines the thoracic cavity? a. Visceral pleura c. Visceral peritoneum b. Parietal pleura d. Pia mater ____ 25. What membrane directly covers the abdominal organs? a. Parietal pleura c. Dura mater b. Visceral peritoneum d. Parietal pericardium ____ 26. Which organ system includes the skin, hair, nails, and sweat glands? a. Skeletal system c. Integumentary system b. Muscular system d. Endocrine system ____ 27. Which organ system primarily provides support, protection, and mineral storage? a. Digestive system c. Respiratory system b. Skeletal system d. Nervous system ____ 28. Which organ system is primarily responsible for rapid communication and coordination of body activities? a. Digestive system c. Urinary system b. Nervous system d. Reproductive system ____ 29. Which organ system secretes hormones that regulate body functions? a. Cardiovascular system c. Respiratory system b. Endocrine system d. Lymphatic system ____ 30. Which organ system primarily transports oxygen, nutrients, hormones, and wastes throughout the body? a. Muscular system c. Digestive system b. Cardiovascular system d. Skeletal system ____ 31. What is homeostasis? a. The process of producing body heat only c. The growth of body tissues throughout life b. The maintenance of a relatively stable internal environment d. The growth of body tissues throughout life ____ 32. Which type of feedback mechanism reverses a change to maintain homeostasis? a. Positive feedback c. Feedforward regulation b. Negative feedback d. Hormonal amplification ____ 33. Which component of a feedback system detects a change in the internal environment? a. Effector c. Receptor b. Control center d. Target organ ____ 34. Which component of a feedback system receives information and determines the appropriate response? a. Receptor c. Effector b. Control center d. Tissue fluid ____ 35. Which component of a feedback system carries out the response directed by the control center? a. Effector c. Stimulus b. Receptor d. Sensor pathway ____ 36. Which feedback mechanism increases or reinforces the original stimulus? a. Negative feedback c. Neural regulation b. Positive feedback d. Chemical buffering ____ 37. Which body system primarily maintains homeostasis by exchanging oxygen and carbon dioxide? a. Digestive system c. Skeletal system b. Respiratory system d. Reproductive system ____ 38. Which body system helps maintain homeostasis by removing metabolic wastes and regulating water balance? a. Urinary system c. Integumentary system b. Muscular system d. Nervous system ____ 39. Which body system contributes to homeostasis by transporting excess tissue fluid back to the bloodstream and supporting immune defense? a. Endocrine system c. Digestive system b. Lymphatic system d. Skeletal system ____ 40. Which body system helps maintain homeostasis by digesting food and absorbing nutrients needed by body cells? a. Nervous system c. Digestive system b. Respiratory system d. Cardiovascular system ____ 41. What structure contains protons and neutrons within an atom? a. Electron shell c. Orbital cloud b. Nucleus d. Valence shell ____ 42. Which subatomic particle has a negative electrical charge? a. Proton c. Electron b. Neutron d. Nucleus ____ 43. What determines the identity of an element? a. Number of neutrons c. Number of electrons b. Number of protons d. Number of electron shells ____ 44. What is the primary reason atoms interact with one another? a. To increase the number of protons c. To increase atomic number b. To achieve a stable outer electron shell d. To produce more neutrons ____ 45. What is a radioactive isotope? a. An atom with extra protons c. An ion with a positive charge b. An unstable isotope that releases radiation d. A molecule containing carbon ____ 46. Which medical application commonly uses radioactive isotopes to detect disease? a. Tracer studies c. Hearing testsHearing tests b. Blood typing d. Vision screening ____ 47. What type of chemical bond is formed by the transfer of electrons between atoms? a. Hydrogen bond c. Covalent bond b. Ionic bond d. Peptide bond ____ 48. Which type of chemical bond is formed when atoms share electrons? a. Ionic bond c. Covalent bond b. Hydrogen bond d. Electrostatic bond ____ 49. What property of water allows it to dissolve many ionic compounds and polar molecules? a. High density c. Low boiling point b. Polar nature d. Chemical stability ____ 50. Which property of water helps maintain a relatively constant body temperature? a. Cohesion c. Specific heat capacity b. Adhesion d. Polarity ____ 51. What term describes the attraction of water molecules to one another? a. Adhesion c. Cohesion b. Hydrophilic action d. Ionization ____ 52. What substance releases hydrogen ions H+ when dissolved in water? a. Base c. Acid b. Buffer d. Salt ____ 53. What substance releases hydroxide ions OH- when dissolved in water? a. Acid c. Electrolyte b. Base d. Buffer ____ 54. Which pH value represents a neutral solution? a. 0 c. 10 b. 7 d. 14 ____ 55. Which group of biological molecules serves as the body's primary immediate source of energy? a. Lipids c. Carbohydrates b. ProteinsProteins d. Nucleic acids ____ 56. Which reaction joins small molecular subunits to form larger macromolecules? a. Hydrolysis reaction c. Dehydration reaction b. Replacement reaction d. Dissociation reaction ____ 57. Which reaction breaks macromolecules into smaller subunits by adding water? a. Dehydration reaction c. Oxidation reaction b. Hydrolysis reaction d. Reduction reaction ____ 58. Which subunit joins together to form proteins? a. Nucleotide c. Fatty acid b. Monosaccharide d. Amino acid ____ 59. What subunit joins together to form carbohydrates? a. Fatty acid c. Monosaccharide b. Amino acid d. Nucleotide ____ 60. Which subunits combine to form many lipids? a. Amino acids and nucleotides c. Monosaccharides and proteins b. Glycerol and fatty acids d. Nucleotides and sugars ____ 61. Which subunit forms nucleic acids? a. Amino acid c. Nucleotide b. Monosaccharide d. Fatty acid ____ 62. Which carbohydrate serves as the body's primary immediate source of energy? a. Glycogen c. Glucose b. Cellulose d. Starch ____ 63. Which carbohydrate is the storage form of glucose in animals? a. Lactose c. Cellulose b. Glycogen d. Maltose ____ 64. Which carbohydrate is the major structural component of plant cell walls? a. Glycogen c. Cellulose b. Maltose d. Glucose ____ 65. What is the primary function of triglycerides in the human body? a. Storing genetic information c. Producing enzymes b. Long-term energy storage d. Forming antibodies ____ 66. Which macromolecule is the primary structural component of cell membranes? a. Carbohydrates c. Proteins b. Lipids d. Nucleic acids ____ 67. Which function is performed primarily by proteins in the human body? a. Storing hereditary information c. Providing the major energy reserve b. Serving as biological catalysts d. Forming the sugar component of DNA ____ 68. What level of protein structure refers to the specific sequence of amino acids in a polypeptide chain? a. Secondary structure c. Primary structure b. Tertiary structure d. Quaternary structure ____ 69. Which level of protein structure is formed when two or more polypeptide chains combine into one functional protein? a. Primary structure c. Tertiary structure b. Secondary structure d. Quaternary structure ____ 70. What is the primary function of DNA in the cell? a. Producing ATP c. Digesting nutrients b. Storing genetic information d. Transporting oxygen ____ 71. Which nitrogenous base is present in RNA instead of thymine a. Cytosine c. Uracil b. Guanine d. Adenine ____ 72. Which characteristic distinguishes RNA from DNA? a. RNA contains deoxyribose sugar. c. RNA contains thymine. b. RNA is usually single-stranded. d. RNA forms a double helix. ____ 73. What is the primary function of ATP in body cells? a. Storing hereditary information c. Forming cell membranes b. Providing usable cellular energy d. Producing antibodies ____ 74. What happens when ATP loses one phosphate group? a. ATP becomes DNA. c. ATP becomes RNA. b. ATP becomes ADP and releases energy. d. ATP forms a peptide bond. ____ 75. Which statement correctly describes the importance of ATP in the human body? a. ATP stores calcium within bones. c. ATP serves as the body's primary genetic material. b. ATP supplies energy for cellular activities such as muscle contraction and active transport. d. ATP functions as the major structural component of cell membranes.
Why shоuld yоu cаpitаlize SQL clаuses (like SELECT and FROM) and lоwercase other text like column names?
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