BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass

BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass straighterline A&P 1 Cumulative Final Original 1. Which is an example of a normally occurring positive-feedback mechanism? stretching of the uterus near the end of pregnancy 2. Which of the following is the most widely distributed type of muscle in the body? Smooth 3. A doctor performing an autopsy on a patient concludes that part of the brain was likely damaged by trauma due to a large population of which type of cell? microglia 4. During DNA replication, how does each template strand eventually become two identical DNA molecules? One strand forms continuously, the other forms in short segments spliced by DNA ligase 5. Which is the most superficial layer of skin that is composed primarily of living cells? stratum spinosum 6. Which of the following components of the bone matrix, when removed, allows the bone to be easily shattered? Collagen 7. The targeted response of the hormone lipotropin is an increase in which of the following? the breakdown of fat in adipose tissues BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass 8. What is the smallest level of organization in the body that contains the body's genetic information? cellular 9. Which sentence best describes the sliding filament model of muscle contraction? Sarcomeres and myofibrils contract 10. Which of the following is the definition of a third degree burn? a burn that has destroyed the dermis and epidermis 11. Which class of chemical messengers is secreted by neurons into synaptic clefts to activate an adjacent cell? Neurotransmitter 12. Which of the following types of openings in the skeletal system does a "sinus" describe? Cavity 13. Which of the following processes generates the most ATP within a human cell? Oxidative phosphorylation 14. What type of axons is found in a gray ramus comunicans? unmyelinated, post-ganglionic axons 15. Deep means Away from the surface 16. Which of the following is consistent with homeostasis? As body temperature rises, sweating occurs to cool the body BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass 17. which of the following describes the position of the nose? Superior to the mouth 18. An organelle is A small structure within a cell 19. Posterior means Toward the back of the body 20. Which body system would be affected by degeneration of cartilage in joints? Skeletal 21. Inferior Pointing towards the feet (down) 22. The study of tissues is histology 23. Cephalic means closer to the head 24. the term "dorsal" means toward the back of the body 25. The thumb is to the fifth digit (little finger). lateral 26. The shoulder is to the elbow proximal BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass 27. The inguinal region is commonly known as the Groin 28. Nerve cells generate electrical signals in response to changes in the environment. This is an example of responsiveness 29. Magnetic resonance imaging is based on the movement of protons in a magnetic field 30. The pectoral region is the chest area 31. An increase in the number of cells is Growth 32. What system removes nitrogenous waste products from the blood and regulates blood pH, ion balance, and water balance? urinary 33. The sural region is the calf 34. An anatomic image created from sound waves is a sonogram 35. the lumbar region is the lower back BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass 36. Which of the following systems carries necessary compounds like oxygen and nutrients throughout the body? cardiovascular 37. Anatomy is the study of structure 38. the visceral pleura is the serous membrane that covers the lungs 39. Which of the following is most similar to the negative feedback mechanism in human physiology? A toilet tank refills itself after a flush 40. The pleural cavity is the space located between the visceral and parietal pleura 41. The popliteal region is the hollow behind the knee 42. Organize the following structural levels of the human body from simplest to most complex. (1) Cell (2) tissue (3) chemical (4) organ system (5) organ 3,1,2,5,4 BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass 43. The cavity of the body immediately inferior to the diaphragm is the cavity abdominal 44. The change in shape of tissues or organs is called morphogensis 45. Homeostasis is defined as the maintenance of a relatively constant environment within the body 46. An organism's ability to use energy in order to swim is an example of metabolism 47. A researcher discovered a sensory receptor that detects decreasing oxygen concentrations in the blood. According to the principles of negative feedback, it is likely that stimulation of this sensory receptor will produce which of the following types of responses? an increase in the respiratory rate 48. Which of the following activities would represent a physiological study? determining normal blood sugar levels for 20-year-old students 49. Toward the midline of the body is median 50. Electrolytes are substances that conduct electricity when dissolved in water 51. A group of water molecules are held together by hydrogen bonds BIO 201 STRAIGHTERLINE A & P 1 cumulative Questions and Answers, 100% Pass 52. Which of the following factors will influence the rate of chemical reactions? All of these factors will influence the rate of chemical reactions a. temp b. concentration of reactants c. presence of catalysts d. presence of enzymes 53. Which of the following organic groups does hemoglobin belong to? protein 54. a base is a proton acceptor 55. An organic molecule such as a vitamin that makes an enzyme functional is called a/an coenzyme 56. What type of covalent bond is formed between amino acid molecules during protein synthesis? peptide bond 57. Which of the following is determined by a sequence of amino acids bound by peptide bonds? primary structure of protein 58. Which of the following is NOT a function of carbohydrates in the body? protection 59. The pH value is determined by the concentration of hydrogen ions 60. A neutral atom will become a cation if it loses electrons