Human Anatomy & Physiology
1st Edition
ISBN: 9780805382952
Author: Erin C. Amerman
Publisher: PEARSON
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Chapter 11, Problem 2AYKA
During a surgical procedure, an anesthesiologist administers to the patient an inhaled anesthetic agent that opens
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During a surgical procedure, an anesthesiologist administers to the patient an inhaled anesthetic agent that opens Cl- channels in the postsynaptic membranes of neurons of the brain. Explain why this would put the patient “to sleep” for the duration of the surgical procedure.
certain inhaled anesthetic agents are thought to open chlorine ion channels in the membranes of postsynaptic neurons in the brain, an effect that causes IPSPs. why might this action put a person "to sleep" during anesthesia?
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Chapter 11 Solutions
Human Anatomy & Physiology
Ch. 11.1 - What are the organs of the CNS?Ch. 11.1 - Prob. 2QCCh. 11.1 - Describe the sensory, integrative, and motor...Ch. 11.1 - 4. What are the differences between the somatic...Ch. 11.1 - How does the somatic motor division of the PNS...Ch. 11.2 - What are the functions of the cell body,...Ch. 11.2 - What are the structural differences between...Ch. 11.2 - What are the functional differences between...Ch. 11.2 - What are the functions of astrocytes?Ch. 11.2 - Prob. 5QC
Ch. 11.2 - Prob. 6QCCh. 11.2 - 7. What is the function of the myelin sheath?
Ch. 11.2 - How does the myelin sheath differ in the CNS and...Ch. 11.2 - Are neurons more likely to regenerate in the CNS...Ch. 11.2 - Prob. 10QCCh. 11.3 - 1. What is the resting membrane potential?
Ch. 11.3 - Prob. 2QCCh. 11.3 - What two factors generate the resting membrane...Ch. 11.3 - Prob. 4QCCh. 11.3 - Prob. 5QCCh. 11.3 - In and around the axon, where is the higher...Ch. 11.3 - What is the resting membrane potential, and what...Ch. 11.3 - Prob. 8QCCh. 11.3 - Prob. 9QCCh. 11.3 - Prob. 10QCCh. 11.3 - What takes place during the depolarization phase...Ch. 11.3 - 7. What must be reached in order for...Ch. 11.3 - 8. What takes place during the repolarization and...Ch. 11.3 - 9. What are the absolute and relative refractory...Ch. 11.3 - 10. How do local potentials and action potentials...Ch. 11.3 - Which is useful for long-distance signaling, and...Ch. 11.3 - 12. How is an action potential propagated down an...Ch. 11.3 - Prob. 18QCCh. 11.4 - What are three locations where presynaptic axons...Ch. 11.4 - Define synaptic transmission.Ch. 11.4 - Prob. 3QCCh. 11.4 - Prob. 4QCCh. 11.4 - Prob. 5QCCh. 11.4 - Prob. 6QCCh. 11.4 - Prob. 7QCCh. 11.5 - Prob. 1QCCh. 11.5 - Prob. 2QCCh. 11.5 - Prob. 3QCCh. 11.5 - Prob. 4QCCh. 11.5 - Prob. 5QCCh. 11.6 - 1. Why are neurons organized into neuronal...Ch. 11.6 - Prob. 2QCCh. 11.6 - 3. What mechanisms stabilize neural circuits?
Ch. 11 - Which of the following statements about the...Ch. 11 - 2. Regulation of heart rate, blood pressure, and...Ch. 11 - Match each type of neuroglial cell with its...Ch. 11 - Prob. 4CYRCh. 11 - Prob. 5CYRCh. 11 - Prob. 6CYRCh. 11 - 7. Fill in the blanks: The _______is the period of...Ch. 11 - With respect to the condition of action...Ch. 11 - 9. Identify the following as properties of...Ch. 11 - The trigger for exocytosis of synaptic vesicles...Ch. 11 - Match the following neurotransmitters with their...Ch. 11 - 12. Which of the following is not a method by...Ch. 11 - 13. A ________is characterized by multiple input...Ch. 11 - Mark the following statements as true or false. If...Ch. 11 -
15. Mark the following statements as true or...Ch. 11 - Sequence the following list of events of a...Ch. 11 - 16. Mark the following statements as true or...Ch. 11 - 1. A drug that blocks channels in neurons does so...Ch. 11 - Prob. 2CYUCh. 11 - What conditions must be met for an axon to...Ch. 11 - 4. Explain how an action potential is propagated...Ch. 11 - Prob. 1AYKACh. 11 - 2. During a surgical procedure, an...Ch. 11 - Albert accidentally ingests the poison...Ch. 11 - 4. Albert, the patient in question 3, takes the...Ch. 11 - Predict the effect that tetrodotoxin would have on...Ch. 11 - Explain what would happen if depolarization of the...
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- Three months after admission to a skilled nursing care facility, a 78-year-old man dies of pneumonia. He had a long standing history of atherosclerosis, hypertension and type 2 diabetes mellitus. During the past 3 years, he had increasing bradykinesia, tremor at rest in the head and distal extremities, and cogwheel rigidity on passive movement. Degeneration of neurons associated with this neurologic condition will most likely be seen at which of the following locations on autopsy? A) Closed medulla B) Midbrain C) Open medulla D) Pons E) Thalamusarrow_forwardThere is no cure for Alzheimer’s disease, but cholinesterase inhibitors can be used to treat symptoms like memory loss or language issues. Briefly discuss how this type of medication affects the physiology of neurons and nerve impulses.arrow_forwardAn experimental pharmacotherapy for the treatment of Parkinson’s Disease is called Prosavin. Explain how this treatment is delivered and what the therapeutic agent(s) involved is/are and what they do?arrow_forward
- There are a broad range of anti-epileptic medications currently on the market, with different therapies prescribed for different types and severities of the condition. Given what you have learned about synaptic transmission, which of the following could be a potential therapeutic approach to prevent the spreading of neuronal excitation? (3 correct answers, select all that apply) O A voltage-gated calcium channel blocker/inhibitor selective to glutamate-releasing neurons. O A voltage-gated calcium channel blocker/inhibitor selective to GABA-releasing neurons. O A glutamate receptor blocker (antagonist). O A GABA receptor antagonist. O A glutamate reuptake inhibitor. O A GABA reuptake inhibitor.arrow_forward2(2)Answer these questions well detailed in paragraphs and explained please. A) What are the different ways to mesure brain activity? B) What is the purpose of measuring brain activity?arrow_forwardIn Neurology, please explain the relationship between suprathreshold depolarization and induced electrical neuro transmission. Is suprathreshold depolarization essential for inducing the electrical transmission?please explain in a few sentences.arrow_forward
- Visit this site (http://openstaxcollege.org/l/neurolab)to see a virtual neurophysiology lab, and to observeelectrophysiological processes in the nervous system,where scientists directly measure the electrical signalsproduced by neurons. Often, the action potentials occur sorapidly that watching a screen to see them occur is nothelpful. A speaker is powered by the signals recorded froma neuron and it “pops” each time the neuron fires an actionpotential. These action potentials are firing so fast that itsounds like static on the radio. Electrophysiologists canrecognize the patterns within that static to understand whatis happening. Why is the leech model used for measuringthe electrical activity of neurons instead of using humans?arrow_forwardLocal anesthetics "block" the action potential and therefore do not allow "pain" information to proceed to the brain and spinal cord. In the presence of these molecules (local anesthetics) 'threshold' is essentially "ignored". The molecules most logically work by: 23. a. Decreasing the intracellular [potassium] b. Blocking the opening of the voltage-gated potassium channels c. Decreasing the extracellular [sodium] d. Blocking the opening of the voltage-gated sodium channelsarrow_forwardIn the parasympathetic nervous system, what neurotransmitter is released on the target organ? What sort of receptor detects the neurotransmitter? I was thinking the answer would be possibly acetylcholine as the first one and the second one maybe muscarinic? I am not 100% on these answers soo if you could add some information and tell me if that's right.arrow_forward
- Using the following image of the brain:aa a)Identify the neurotransmitters that are involved in the different cortical regions. You can place them in abbreviation in the brain image. Eg DA, Serotonin (5HT), NE, E, ACh, etc. b)Locate the brain lobes and differentiate each one with colors.Mark in the drawing all the cortices associated with these lobes and mention their primary, secondary and association functions in a table.Include the Brodmann areas to the crusts indicated in the drawing. c)expalin the function of each part located in the puicture d)expain what would happen incase of brain damagearrow_forwardA. Is an action potential more or less likely when the consumption of the Fugu toxin and is stimulated with a neuron with a supra-threshold stimulus? B. Which (flaccid or tonic) is the result in this case? What would be the associated physical symptoms of this condition? C. Briefly describe the pharmacological/clinical/commercial uses of this toxin and its derivatives.arrow_forward2. a) sensation). the doctor decides to check the resting potential of her sensory nerves. The microelectrode is inserted and the intracellular potential is measured as -65 mv. What relative ionic concentrations are responsible for maintaining this membrane potential? A 47-year-old woman complains of paresthesis (tingling, pricking or burning a) [Na+ Jout > [Na+] in ; [K+]out > [K+]in b) [Na+ Jout > [Na+] in ; [K+]out [Ca2+]in d) [Na+ Jout [K+]in e) Active sodium potassium pumparrow_forward
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