NSG 5003 Quiz 1 Answers.

NSG 5003 Quiz 1 Answers. Why is it possible for potassium to diffuse easily into and out of cells? The resting plasma membrane is more permeable to potassium. A major determinant of the resting membrane potential necessary for the transmission of nerve impulses is the ratio between: Intracellular and extracellular K+ What is a consequence of plasma membrane damage to the mitochondria? Influx of calcium ions halts ATP production. Current research supports the belief that after heart muscle injury, the damage: Is repaired by newly matured cardiomyocytes Free radicals cause cell damage by: Giving up an electron, which causes injury to the chemical bonds of the cell membrane The loss of the ATP during ischemia causes cells to: Swell because of the influx of sodium chloride (NaCl) Which statement is true about eukaryotic cells? They contain compartments called organelles. Which mode of chemical signaling uses local chemical mediators that are quickly taken up, destroyed, or immobilized? During cell injury caused by hypoxia, an increase in the osmotic pressure occurs within the cell because: Sodium chloride enters the cell. When a mucous gland cell creates a new substance from previously absorbed material, this process is known as which specialized cellular function? Quiz 2 Question 4 . Question : A reduction in an individual’s number of NK cells appears to correlate with an increased risk for the development of: Student Answer: Depression