your parther to nd your lab partner have prepared a frog nerve for gatnering data on action potentiaiS. You connect an electronic stim ally increase the voltage until you see an action potential. Your partner says that the voltage knob is stuck and will not increase the voltage. To finally get an action tial, they begin to trouble shoot and instead of increasing the voltage, they begin to simulate the nerve over and over again and see an action potential. What type of nation is this describing? lator to the nerve and action potentials graded potentials spatial summation temporal summation threshold

your parther to nd your lab partner have prepared a frog nerve for gatnering data on action potentiaiS. You connect an electronic stim ally increase the voltage until you see an action potential. Your partner says that the voltage knob is stuck and will not increase the voltage. To finally get an action tial, they begin to trouble shoot and instead of increasing the voltage, they begin to simulate the nerve over and over again and see an action potential. What type of nation is this describing? lator to the nerve and action potentials graded potentials spatial summation temporal summation threshold

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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Shown attached are the recordings from one cell in the Swimmy CPG circuit. The first recording is under controlconditions, when the fish is swimming normally. The second recording is of the same neuron when every othercell in the CPG is hyperpolarized and not firing. The large black bars have been placed at the first spike in thecontrol condition. Which of the following can you conclude about this cell from the data shown below? Make sure to choose the most complete answer. a. This cell is tonically active.b. This cell is an endogenous burster cellc. This cell is an endogenous burster cell that is normally acted on by at least one inhibitory synapse.
a non-signaling glial cell. QUESTION 47 How are brain functional locations determined? O A. by MRI O B. by testing brain injuries OC by measuring the size of different brain regions O D. Both A & B are correct. OE Both A & C are correct. QUESTION 48 Click Save and Submit to save and submit. Click Save All Answers to sau
The plasma membrane of the giant squid axon becomes depolarized in response to action potential. true false
Could you please advise as to what would be the correct choice?
Select the most appropriate structure that fits the best in the paragraph. a. pupil b. spinal cord c. optic chiasma d. cauda equina e. prefrontal cortex f. retina g. ventral h. visual cortex I. primary motor cortex j. cones k. dorsal L. lateral geniculate nucleus m. premotor area n. rods О. Broca p. visual association area q. optic tract r. bipolar cells s. medial geniculate nucleus t. Optic
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:
1. What is action potential? Please describe the ionic mechanisms of depolarization and repolarization phase of action potential in the squid giant axon. please write more and more
Part II. The parts of an action potential. The following is a diagram of an action potential in a neuron. | +40 Voltage (mV) -55 -70 Threshold 0 a. b. C. Stimulus 1 Action potential Depolarization Repolarization Failed initiations 2 3 Time (ms) Resting state Refractory period Between the stars, what would be the gating mechanism of the sodium channels if this was an olfactory receptor cell? Between the star and smiley, what types of channels are opening, AND what is their gating mechanism? Between the smiley and heart, gated channels open. gated channels close and
What channels are open at 3 if this was recorded on the axon of a sensory neuron? Check all that apply 1. K+ voltage gated channels 2. K+ leak channels 3. Na+ ligand gated channels 4. Na+ stimulus gated channels 5. Na+ voltage gated channels 6. Ca+ voltage gated channels 7. Cl- ligand gated channels
Neurons communicate with other cells at chemical synapses at the end of their _____ Neurotransmitters enter the synaptic cleft via -_____ and bind to receptors on the signal-receiving cell to trigger the flow of ions.
If the neuron were stimulated at Location 2, the impulse would travel towardA. location 1, where synaptic transmission occursB. location 3, where no synaptic transmission occursC. locations 1 and 3, causing synaptic transmission at each endD. location 1, causing synaptic transmission at 3 only
Number 3 is sensory neuron