Which of the following statements is most correct? Synapses can form only between axon terminals and...
Which of the following statements is most correct?
| Synapses can form only between axon terminals and dendrites |
| A bipolar neurons gives rise to one axon and many dendrites |
| Schwann cells are support cells of the central nervous system |
| Neurons transport vesicles and proteins from their cell bodies to their axon terminals via anterograde axoplasmic transport |
Homework Answers
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Which of the following statements is most correct?
Synapses can form only between axon terminals and...
1. The main receptive surface of neuron at a synapse for nerve Impulse transmission is: a....
1. The main receptive surface of neuron at a synapse for nerve Impulse transmission is: a. Axon neurotransmitter receptors b. Dendrite neurotransmitter receptors C. Nissl bodies receptors d. Axon terminal receptors 2. Two types of cells in nervous system are: a. Axons & dendrites b. Motor and sensory neurons c. Neurons & neuroglia d. Schwann cells & microglia 3. Myelin is rich in : a. Lipids b. Carbohydrates c. Nucleic acids d. Salts 4. Synaptic knobs are at end of:...
What nervous system cell conducts the impulses making all nervous system functions possible? glial cell Schwann...
What nervous system cell conducts the impulses making all nervous system functions possible? glial cell Schwann cell neuron neuroglial cell p 4 of 14 Which of the following is NOT a glial cell? macrophage oligodendrocyte astrocyte microglia p5 of 14 All neurons consist of a cell body and at least two kinds of fibers. They are: one dendrite and one axon hillock only and only one dendrite one axon dendrite and one or more axons one axon and one or...
KEY TERMS March the numbered form with the definition that is it be definition the responding...
KEY TERMS March the numbered form with the definition that is it be definition the responding sumber in front of the appropriate 40. excitatory postsynaptic potential 21. resting potential 22 on leakage channels 23. equilibrium potential -24 graded potential 25. gated ion channels 26. depolarization 27. hyperpolarization Sensory neurons 2. central nervous system 3. motor neurons 4. intercurons 5. peripheral nervous system 6. somatic motor neurons *7. autonomic motor neurons 8. sympathetic 9. parasympathetic 10. cell body all dendrites 12....
Answer Thi Q. thank You The Nervous System edit) 1. The junction between one neuron and the next, or between a neuron and an effector is called: A) A synapse 8) A dendrite C) A neuotransmiter D )...
Answer Thi Q. thank You
The Nervous System edit) 1. The junction between one neuron and the next, or between a neuron and an effector is called: A) A synapse 8) A dendrite C) A neuotransmiter D ) A ventricle E) None of the above 2. A fast excitatory synapses follows this order A) (1) neurotransmiter released (2) diftused across the synaptic cleft to a receptor protein (3) binding of the transmitter opens pores in the ion channels and positive...
The most common form of reflex arc is the three-neuron arc, which consists of a sequence...
The most common form of reflex arc is the three-neuron arc, which consists of a sequence of neurons receiving sensory information, transmitting this information into the central nervous system for processing, and finally signalling muscles. What is the correct orderf neurons in such a reflex? unipolar- multipolar ntermeuron efferent- interneuron unipolar afferent+ interneuron bipolar efferent afferentinterneuron- Chemicals that cross over the synaptic cleft are called: electrical transmitters synaptic transmitters neurotransmitters chemotransmnitters D Bof 14 Critical thinking question 18.7 (p.407) ineffective...
A 35 year old female presents with a history of several episodes, each separated by several...
A 35 year old female presents with a history of several episodes, each separated by several months, in which she experiences brief periods of physical weakness, clumsiness of the legs and hands, visual disturbances, and mood swings. Her weakness is most prominent in the lower extremities. CT scans show evidence of multiple lesions in the white matter of the brain and spinal cord. During her last episode, there were increasing neurological deficits due to an increasing number of disseminated lesions....
The Brain on Mind Altering Drugs Psychoactive drugs alter brain function by acting at synapses in the brain, where they may mimic, enhance, or block the effects of natural signaling molecules (neurotr...
The Brain on Mind Altering Drugs Psychoactive drugs alter brain function by acting at synapses in the brain, where they may mimic, enhance, or block the effects of natural signaling molecules (neurotransmitters). The neurotransmitter dopamine plays a particularly important role in creating the dependency aspect of both drug and behavioral addictions. Natural behaviors which enhance survival and/or reproduction, such as eating or engaging in sex, result in a surge of dopamine. Normally, this response helps individuals learn to repeat beneficial...
1) What is the best definition of the "receptive field" of an afferent neuron? A) The...
1) What is the best definition of the "receptive field" of an afferent neuron? A) The area of the cerebral cortex in which information from that afferent neuron is initially received. B) All of the interneuron cell bodies and dendrites onto which the afferent neuron synapses. C) The number of interneurons with which the central process of the afferent neuron makes synaptic contact via divergence. D) The type of stimulus energy to which the afferent neuron is most sensitive. E)...
change pas channels in the volta t ive protein to change shape. This A of the...
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
for each, what is the right answer? 13. Which of the following is an example of...
for
each, what is the right answer?
13. Which of the following is an example of substrate-level regulation of hormone secretion? A) Plasma testoterone concentrations affect the rate of GnRH secretion B) Plasma calcium concentrations affect the rate of parathyroid hormone secretion C) Plasma dopamine cocentrations affect the rate of prolactin secretion. D) Sensory neural stimuli affect the rate of oxytocin secretion. E) Plasma GnRH concentrations affect the rate of FSH secretion 14. The receptive field of an afferent neuron...
1. The main receptive surface of neuron at a synapse for nerve Impulse transmission is: a. Axon neurotransmitter receptors b. Dendrite neurotransmitter receptors C. Nissl bodies receptors d. Axon terminal receptors 2. Two types of cells in nervous system are: a. Axons & dendrites b. Motor and sensory neurons c. Neurons & neuroglia d. Schwann cells & microglia 3. Myelin is rich in : a. Lipids b. Carbohydrates c. Nucleic acids d. Salts 4. Synaptic knobs are at end of:...
What nervous system cell conducts the impulses making all nervous system functions possible? glial cell Schwann cell neuron neuroglial cell p 4 of 14 Which of the following is NOT a glial cell? macrophage oligodendrocyte astrocyte microglia p5 of 14 All neurons consist of a cell body and at least two kinds of fibers. They are: one dendrite and one axon hillock only and only one dendrite one axon dendrite and one or more axons one axon and one or...
KEY TERMS March the numbered form with the definition that is it be definition the responding sumber in front of the appropriate 40. excitatory postsynaptic potential 21. resting potential 22 on leakage channels 23. equilibrium potential -24 graded potential 25. gated ion channels 26. depolarization 27. hyperpolarization Sensory neurons 2. central nervous system 3. motor neurons 4. intercurons 5. peripheral nervous system 6. somatic motor neurons *7. autonomic motor neurons 8. sympathetic 9. parasympathetic 10. cell body all dendrites 12....
Answer Thi Q. thank You
The Nervous System edit) 1. The junction between one neuron and the next, or between a neuron and an effector is called: A) A synapse 8) A dendrite C) A neuotransmiter D ) A ventricle E) None of the above 2. A fast excitatory synapses follows this order A) (1) neurotransmiter released (2) diftused across the synaptic cleft to a receptor protein (3) binding of the transmitter opens pores in the ion channels and positive...
The most common form of reflex arc is the three-neuron arc, which consists of a sequence of neurons receiving sensory information, transmitting this information into the central nervous system for processing, and finally signalling muscles. What is the correct orderf neurons in such a reflex? unipolar- multipolar ntermeuron efferent- interneuron unipolar afferent+ interneuron bipolar efferent afferentinterneuron- Chemicals that cross over the synaptic cleft are called: electrical transmitters synaptic transmitters neurotransmitters chemotransmnitters D Bof 14 Critical thinking question 18.7 (p.407) ineffective...
A 35 year old female presents with a history of several episodes, each separated by several months, in which she experiences brief periods of physical weakness, clumsiness of the legs and hands, visual disturbances, and mood swings. Her weakness is most prominent in the lower extremities. CT scans show evidence of multiple lesions in the white matter of the brain and spinal cord. During her last episode, there were increasing neurological deficits due to an increasing number of disseminated lesions....
change pas channels in the volta t ive protein to change shape. This A of the S l e terminal siste oplasmic reticum calcio p r eneule warcoplasm reticulum sodium ions m o nster transverse tubules sarcolemma: calcium ions Saroplasmic reticum: triadsarcolemma: calcium ions sons bind to This causes a change in shape and exposing C D E Calcium vesicle tylcholine action potential Sodium sarcolemma calcium on myosin heads Sodium sacoplasmic reticulum calcium ions actin 15. An attaches to exposed...
for
each, what is the right answer?
13. Which of the following is an example of substrate-level regulation of hormone secretion? A) Plasma testoterone concentrations affect the rate of GnRH secretion B) Plasma calcium concentrations affect the rate of parathyroid hormone secretion C) Plasma dopamine cocentrations affect the rate of prolactin secretion. D) Sensory neural stimuli affect the rate of oxytocin secretion. E) Plasma GnRH concentrations affect the rate of FSH secretion 14. The receptive field of an afferent neuron...
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