NUR 631 MIDTERM EXAM QUESTIONS AND CORRECT ANSWERS | LATEST UPDATE 2026/2027 | GRADED | 100% PASS.

NUR 631 MIDTERM EXAM QUESTIONS AND CORRECT ANSWERS | LATEST UPDATE 2026/2027 | GRADED | 100% PASS. Which structure prevents water-soluble molecules from entering cells across the plasma membrane? A- carbohydrate chains B- glycoprotein channels C- membrane channel proteins D- lipid bilayer - ANSWER_D- lipid bilayer Which form of cell communication is used to communicate within the cell itself and with other cells in direct physical contact? A- protein channel (gap junction) B- plasma membrane-bound signaling molecules C- hormone secretion such as neurotransmitters D- extracellular chemical messengers such as ligands - ANSWER_B- plasma membrane-bound signaling molecules The cellular uptake of the nutrient cholesterol depends on which process? A- receptor mediated exocytosis B- antiport system C- receptor-mediated endocytosis D- passive transport - ANSWER_C- receptor mediated endocytosis What causes the rapid change in the resting membrane potential to initiate an action potential? A- potassium gates open, and potassium rushes into the cell, changing the membrane potential from negative to positive B- sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive C- sodium gates close, allowing potassium into the cell to change the membrane potential from positive to negative D- potassium gates close, allowing sodium into the cell to change the membrane potential from positive to negative - ANSWER_B- sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive The action of platelet-derived growth factor is to stimulate the production of which cells? A- platelets B- epidermal cells C- connective tissue cells D- fibroblast cells - ANSWER_C- connective tissue cells What role do cytokines play in cell reproduction? A- provide growth factor for tissue growth and development B- block progress of cell reproduction through the cell cycle C- restrain cell growth and development D- provide nutrients for cell growth and development - ANSWER_A- provide growth factor for tissue growth and development What is the process of cellular reproduction? A- the process often takes months or years to complete B- cellular reproduction typically has a short interphase C- two diploid cells, called daughter cells, have been formed D- the process involves the interaction of male and female cells - ANSWER_Ctwo diploid cells, called daughter cells, have been formed Thank you for Purchasing this exam Study Guide. We provide high-quality academic materials to help students excel in exams. Our other Services include but not limited to: academic research, University & College assignments writing, essay writing, Online Classes, and research projects. Our services are reliable, affordable, and plagiarism-free. All the Best in your Exam. For more information; Contact us at: or 0R +254