MSCI 520 Quiz 1: Cellular Physiology (Liberty University)

Solution A contains 100 mmol/L glucose and Solution B contains 50 mmol/L NaCl. Assume that gNaCl is 2.0, σglucose is 0.5, and σNaCl is 0.8. If a semipermeable membrane separates the two solutions, what is the direction of water flow across the membrane? A to B B to A They are at equilibrium 4/28/23, 10:41 AM Quiz: Cellular Physiology: MSCI520: Principles of Physiology I (D01) Qu 1 / 1 pts estion 2 Which of these conditions results in electrolyte abnormality(ies) that cause(s) diminished excitability of neuronal cells? Vitamin D deficiency Metabolic acidosis Epinephrine administration All of these Qu 1 / 1 pts estion 3 Which of these parameters reduces the diffusion coefficient most significantly? Increased membrane thickness Increased viscosity of the medium Increased surface area All of these Q 1 / 1 pts uestion 4 Which enzyme in the presynaptic knob is responsible for the synthesis of acetylcholine? Acetylcholinesterase 4/28/23, 10:41 AM Quiz: Cellular Physiology: MSCI520: Principles of Physiology I (D01) Choline acetyltransferase Monoamine oxidase Acetylcholine synthase Qu 1 / 1 pts estion 5 Which of these neurotransmitters is majorly inhibitory in its effect on neurotransmission? Glycine Acetylcholine Glutamate Dopamine Qu 1 / 1 pts estion 6 Which of these ions has a higher intracellular to extracellular concentration ration in humans? Sodium ion Potassium ion Chloride ion Calcium ion