BIO 669 Quiz 2 Latest; (2024/2025) Questions and Answers 100% Correct.(33 Q & A)

BIO 669 Quiz 2 Latest; (2024/2025) Questions and Answers 100% Correct.(33 Q & A) 1. When both Na+ and K+ are permeable at the same time (as in opening ion channels at the neuromuscular junction allowing both to cross), what will happen to the membrane potential? 1. Graded potentials are all of the following EXCEPT: 2. Movement of potassium down its electrochemical gradient will result in what effect on membrane potential? 3. The reticular formation is responsible for: 4. Damage to Broca’s area is most likely to cause: 5. A stroke affecting the temporal lobe would most likely affect: 6. A stroke affecting the temporal lobe is most likely to show signs and symptoms affecting the: 7. Vascular smooth muscle is most impacted by what type of receptor (what receptor is most present): 8. The alpha-1 receptor will, upon binding to its ligand, will result in which of the following effects: 9. Ephedra is a sympathomimetic, meaning it has sympathetic nervous system activating effects. As such, it may be assumed to have all of the following side effects EXCEPT: 10. The parasympathetic nervous system is associated with which of the following: 11. The division of the autonomic nervous system helps conserve energy and the bodys resources (rest and digest) and uses as its neurotransmitter(s). 12. Parasympathetic system stimulation causes all of the following except: 13. The effect of sympathetic nervous system activation on metabolism includes all of the following EXCEPT: 14. Which of the following is a correct statement regarding the comparison of the autonomic and somatic nervous systems? 15. All of the following are true regarding graded potential EXCEPT: 16. The peripheral nervous system division that arises from the thoracic and lumbar regions is the: 17. Saltatory conduction: 18. A stroke to the occipital lobe is most likely to show signs and symptoms affecting the: 19. Calcium has an equilibrium potential of 123mV. This means, that under normal resting potential, if Ca++ became permeable the membrane potential would: 20. Upon opening, voltage gated Na+ channels will allow ions to flow until: 21. Making the inside of the cell membrane more negative relative to the outside of the membrane would be considered: 22. Any given spinal nerve arises from (is formed by): 23. The Basal ganglia (cerebral nuclei) are most involved in: 24. The minimum depolarization needed to open voltage-gated Na+ channels and form an action potential is termed: 25. If the K+ channels opened and stayed open, what would happen to the resting membrane potential of -70mV? 26. The cerebellum is most responsible for: 27. Which of the following receptor types does not activate G proteins (i.e. does not use a second messenger system)? 28. The beta-2 receptor, upon binding to its ligand, will result in which of the following effects? 29. The frontal lobe is responsible for conscious: 30. A stronger stimulus will result in greater membrane depolarization of neuron resulting in . 31. The receptive( incoming signal) portion of the neuron is called the: 32. Demyelinating diseases, such as multiple sclerosis and Guillain Barre, may not initially damage the axon but still can result in symptoms and dysregulation because: Download and get full solved quiz, 100% correct