It is the holidays and you have just finished eating a large meal with your family. Now, you retire to the living room to watch a movie (if you can make it to the couch). Which divisions of your nervous system will be active during your post-dinner activities and what are their effects on the body?
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- Question 22 The correct sequence of CNS protection is: O Skin, vertebrae, arachnoid mater, dura mater, pia mater, spinal cord O Skin, vertebrae, pia mater, dura mater, arachnoid mater, spinal cord Skin, vertebrae, dura mater, arachnoid mater, pia mater, spinal cord OSkin, vertebrae, dura mater, pia mater, arachnoid mater, spinal cord O Skin, vertebrae, arachnoid mater, pia mater, dura mater, spinal cordQuestion 31 3 pts Explain why using your dominant hand to react to a sound stimulus is faster than using your non dominant hand. Discuss the concept of "neurons that wire together fire together" in your answer. Include the term synaptic delay in your answer. Edit View Insert Format Tools Table 12pt v Paragraph BIU A TQUESTION 41 Which of the following statements is mismatched with the neurotransmitter? binds to muscarinic receptors - norepinephrine binds to ligand-gated ion channels - acetylcholine synthesized from tyrosine - epinephrine O released via exocytosis - dopamine
- QUESTION 20 When a neuron is at rest, a normal stimulus can start an action potential. When the same neuron is in the relative refractory period, a stimulus has to be stronger than normal to start an action potential. Explain this difference. -10. (DG F10 MadQUESTION 4 In the resting state: voltage-gated Na+ and K+ channels are both closed voltage gated Na+ channels are open, but voltage gated K+ channels are closed voltage gated K+ channels are open, but voltage gated Na+ channels are closed voltage gated Na+ and K+ channels are both open DOOOQuestion 1 The meninges consists of three layers. Which layer would be considered intermediate? O dura mater O pia mater O arachnoid membrane O cerebral mater Question 2 A myotome is: O all of the muscles innervated by a peripheral nerve. O all of the skin innervated by a peripheral nerve. all of the muscles innervated by a single spinal nerve. all of the skin innervated by a single spinal nerve. O all of the skin overlying a group of synergistic muscles.
- Question 8 Which of the following is true of nerve impulse conduction? O Saltatory conduction occurs on unmyelinated axons O Continuous conduction is slower than salutatory conduction O Continuous conduction requires spatial summation only O Saltatory conduction requires temporal summation only < PreviousI need to know a few things about the process of neurotransmission. 1. In the lectures for my class we discussed sodium and potassium channels and how they open to allow more sodium and so on to increase then later decrease the charge. My questions about this are: Where exactly does this take place? Is this occurring in the axon as the information is being transferred down to the axon terminals or is it only occurring at the site of the presynaptic cleft? 2. Could you give me a break down of the neurotransmitter release process? These may refer to the same thing but I'm including photos for you to reference what I'm asking about. For the sodium channels, I don't need to know about the types of gates, just the movement and changes in electrical charge.Question 1 Please summarise the main steps in storage, release, uptake and degradation of acetylcholine in a parasympathetic nerve terminal and synapse. Describe the mechanism of action of any two drugs that act at two different steps of the above process.
- QUESTION 16 Which pathway is responsible for activating Protein Kinase A? Beta adrenergic receptor Alpha-1 adrenergic receptor Alpha-2 adrenergic receptor None of the aboveQuestion 57 Which option below outlines the correct sequence of events for neurotransmission? Question 57 options: synthesis, storage, release, binding to postsynaptic receptors, reuptake binding to postsynaptic receptors, synthesis, storage, release, reuptake storage, reuptake, release, synthesis, binding to postsynaptic receptors reuptake, synthesis, release, binding to postsynaptic receptors, storageQUESTION 9 The number of voltage-gated Na* channels in the inactive state during the absolute refractory period is refractory period less greater QUESTION 10 The effects of hormones usually last longer shorter QUESTION 11 The Na+/K+ pump removes maintains QUESTION 12 compared to the effects of neurotransmitters. the concentration gradient of Na* and K* across the neuron cell membrane Increasing the number of action potentials arriving at an axon terminal usually decreases increases than the number inactive during the relative the amount of neurotransmitter released