Test Bank Pathophysiology the Biologic Basis for Disease in Adults and Children 8th Edition

Test Bank Pathophysiology the Biologic Basis for Disease in Adults and Children 8th Edition Chapter 1: Cellular Biology MULTIPLE CHOICE 1. Which statement best describes the cellular function of metabolic absorption? a. PTS: 1 REF: Page 2 2. Most of a cell’s genetic information, including RNA and DNA, is contained in the: PTS: 1 REF: Page 2 1. Which component of the cell produces hydrogen peroxide (H2O2) by using oxygen to remove hydrogen atoms from specific substrates in an oxidative reaction? a PTS: 1 REF: Page 8 1. Which cell component is capable of cellular autodigestion when it is released during cell injury? PTS: 1 REF: Pages 7-8 1. What is the sequence of steps in the development of a digestive enzyme by the pancreas cells from the initial transcription to the release from the cell? 1. The enzyme is transcribed from DNA by RNA in the nucleus, proceeds to the ribosome for synthesis, and is transported in a secretory vesicle to the cell membrane. 1. The enzyme is transcribed from RNA by DNA in the nucleus, proceeds to the lysosome for synthesis, and is transported in an encapsulated membrane to the cell membrane. 1. The enzyme is transcribed by the mitochondria in the nucleus, proceeds to the ribosome for synthesis, and is transported in a cytoskeleton to the cell membrane. 1. The enzyme is transcribed from DNA by RNA in the nucleus, proceeds to the Golgi complex for synthesis, and is transported in a cytosol to the cell membrane. PTS: 1 REF: Page 7 | Figure 1-5 1. During which phase of the cell cycle is DNA synthesized? a. G1 c. G2 b. S d. M PTS: 1 REF: Page 37 1. What organic compound facilitates transportation across cell membranes by acting as receptors, transport channels for electrolytes, and enzymes to drive active pumps? a (3) specific enzymes that drive active pumps that promote the concentration of certain ions, particularly potassium (K+), within the cell while keeping concentrations of other ions, for example, sodium (Na+), below the concentrations found in the extracellular environment. The other options do not correctly describe this process. PTS: 1 REF: Page 13 | Page 15 1. Understanding the various steps of proteolytic cascades, such as caspase-mediated apoptosis and complement cascades, may be useful in designing drug therapy for which human diseases? . PTS: 1 REF: Page 15 1. Which structure prevents water-soluble molecules from entering cells across the plasma membrane? diffuse through it readily. The other options do not correctly describe this process. PTS: 1 REF: Pages 12-13 1. The fluid mosaic model explains: 1. How a cell membrane functions 2. Why our bodies appear to be solid 1. How tissue is differentiated 2. How fluid moves between the intracellular and extracellular compartments PTS: 1 REF: Page 12 | What's New box 1. Which form of cell communication is used to communicate within the cell itself and with other cells in direct physical contact? 1. Protein channel (gap junction) 1. Plasma membrane–bound signaling molecules (involving receptors) 2. Hormone secretion such as neurotransmitters 1. Extracellular chemical messengers such as ligands The other options do not correctly describe this process. PTS: 1 REF: Page 20 ……………………………………CONTINUED……………………………….