Why does eating chili pepper give you a similar sensation as if your tongue were in hot water?A. Chili pepper contains chilius, which blocks voltage-gated Na* channels.OB. Chili pepper contains chilius, which activates voltage-gated K* channels.C. Chili pepper contains capsaicin, which activates TRP channels.OD. Chili pepper contains capsaicin, which blocks TRP channels.E. None of the above.

The correct answer for this question is option C. Capsaicin is the principle component of the chili…

Answered: Why does eating chili pepper give you a…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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30. Let's consider the pups of that new rat mom. If her behavior is changed as a result of an oxytocin infusion, what effect would this likely have on the hippocampi of the pups? a. Increased production of glucocorticoid receptors, leading to worse control of the stress response b. Decreased production of glucocorticoid receptors, leading to better control of the stress response c. Decreased production of glucocorticoid receptors, leading to worse control of the stress response d. Increased production of glucocorticoid receptors, leading to better control of the stress response
Which of the following are involved in proper signaling at excitatory synapses: ○ An active process that depends on neurotransmitter reuptake O An active process that depends on the Ca2+ gradient ○ A passive process that depends on the Cl- gradient ○ Two of the answer choices O All the choices are correct
Conduction velocity refers to the [a] at which an action potential travels along a neuron's axon. In invertebrates, conduction velocity can only be increased by [b]. However in vertebrates (exclusively), such as humans, conduction velocity can also be increased by [c]. This enables vertebrates to conserve [d] while still increasing conduction velocity. [a] [b] [c] [d] [Choose ] [Choose ] [Choose ] [Choose ]
part 1: What is the membrane topology of typical voltage-gated ion channels and how are they sensitive to voltage? Part 2: Explain the differences in the relative selectivity of voltage-gated Na and K channels.
What does CaMKII do?A. It displaces magnesium and therefore permits glutamate to open calcium channels.B. It releases a protein that alters the expression of several genes.C. It diffuses from one synapse to another within the postsynaptic neuron.D. It sends a message back to the presynaptic neuron to alter its release of neurotransmitters.
21. How does partial damage to the neuronal membrane lead to excessive amounts of neurotransmitter release? a. Sodium can freely enter the cell to depolarize it b. Potassium can freely enter the cell to depolarize it c. Chloride can freely exit the cell to depolarize it d. GABA receptors become blocked, preventing proper suppression e. Dopamine receptors become activated, exciting the neuron f. None of the above
DRAW IT Three of the events described in the figure are ion flow; change in membrane potential; andopening, closing, or inactivation of channels. Use these events to draw a simple circuit diagram for thepositive feedback that underlies the rising phase of the action potential.
Can you please answer question 20, and 23
Below is a figure from a 2015 paper that characterizes the effect of venom from the spider Selenocosmia hainana on voltage-gated sodium channels. According to the I-V curve (current-voltage curve) in Figure panel B, what is the effect of the venom on voltage-gated sodium channels? Current is on the y-axis and voltage is on the x-axis during an action potential. The figure legend denotes the concentration of the venom being applied. A C rHNTX-IV (10 μM) -rHNTX-IV (100 nM) Control Control 5 nA 10 ms r 5 nA 10 ms rHNTX- IV (10 μM) B D -80 -80 -60 -60 A -40 -40 V (mv) -20 V(mv) -20 be TOLF 2-6 I (NA) -8 ON -12 10 -12 -14 -8 -10 (NA) Control 100 nM — 10 μΜ 40 -Control -- 10 μM 40
Researchers have designed a neuron that's unable to produce and release neurotransmitters. Can that neuron still have an action potential? Choose the answer with the correct answer and the correct reasoning. O No, action potentials need neurotransmitters to increase message speed O No, a neuron can't receive messages without its own neurotransmitters O No, a lack of neurotransmitters would leave a neuron unmyelinated O No, action potentials don't occur in the axon O Yes, action potentials don't require neurotransmitters:
At a normal NMJ, action potentials in the skeletal muscle cell can be blocked directly by? A. Curare, which inhibits nicotinic receptors. B. Atropine, which inhibits muscarinic receptors. C. Physostigmine, which inhibits ACHE. D. AP5, which inhibits NMDA receptors. E. Pentobarbital, which enhances the function of GABA on GABAA receptors.
|26 Which protein is NOT attached to the vesicle? O a. Synaptobrevin O b. SNARES VAMP O d. Syntaxin O e. Synaptotagmin Spatial summation is adding all of the IPSPS and EPSPS that arrive at any time on a cell. Select one: O True O False |3p Which area is responsible for proprioception (the ability to know where your body is in space) Select one: O a. Occipital Lobe O b. Frontal Lobe O c. Temporal Lobe O d. Parietal Lobe |31 Match the following terms to their definitions Resting membrane potential Choose. -55mV Pushes the charge away from threshold (more negative) -70MV Absolute Refractory period Inhibitory post-synaptic potential Excitatory post-synaptic potential Relative refractory period Pushes the charge towards threshold (less negative) Period when a cell cannot produce another action potenti

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