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Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?
- a)An afferent neuron, impulse moving distally.
- b)An efferent neuron, impulse moving proximally.
- c)An efferent neuron, impulse moving distally.
- d)An afferent neuron, impulse moving proximally.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following accurately describes the direction of an impuls...
Afferent neurons, also known as sensory neurons, carry sensory information from the peripheral tissues or sensory organs to the central nervous system. These neurons detect stimuli such as touch, temperature, pain, or pressure in the peripheral tissues, and transmit this information to the CNS for processing.
The term "proximally" refers to movement closer to the center or origin of a structure. In the case of an afferent neuron carrying information from the PNS to the CNS, the impulse would be moving proximally, from the peripheral tissues or sensory organs toward the central nervous system.
Most Upvoted Answer
Which of the following accurately describes the direction of an impuls...
Overview:
The central nervous system (CNS) is responsible for processing and integrating information from the peripheral nervous system (PNS) to coordinate appropriate responses. Neurons are specialized cells that transmit electrical impulses, also known as action potentials, to communicate information within the nervous system. Afferent neurons carry sensory information from the PNS to the CNS, while efferent neurons transmit motor signals from the CNS to the PNS.
Explanation:
The correct answer is option 'D': An afferent neuron, impulse moving proximally. Here's an explanation of each option:
a) An afferent neuron, impulse moving distally:
- Afferent neurons carry sensory information from the PNS to the CNS.
- Distally refers to moving away from the center or origin.
- In this context, moving distally means away from the CNS.
- However, the question specifically asks about the direction of an impulse carrying information to the CNS from the PNS, which is afferent in nature.
b) An efferent neuron, impulse moving proximally:
- Efferent neurons transmit motor signals from the CNS to the PNS.
- Proximally refers to moving closer to the center or origin.
- In this context, moving proximally means towards the CNS.
- This option does not accurately describe the direction of an impulse carrying information from the PNS to the CNS.
c) An efferent neuron, impulse moving distally:
- As mentioned earlier, efferent neurons transmit motor signals from the CNS to the PNS.
- Distally refers to moving away from the center or origin.
- This option also does not accurately describe the direction of an impulse carrying information from the PNS to the CNS.
d) An afferent neuron, impulse moving proximally:
- Afferent neurons carry sensory information from the PNS to the CNS.
- Proximally refers to moving closer to the center or origin.
- This option accurately describes the direction of an impulse carrying information to the CNS from the PNS.
Summary:
In conclusion, the correct answer is option 'D': An afferent neuron, impulse moving proximally. This accurately describes the direction of an impulse carrying information to the central nervous system from the peripheral nervous system. Afferent neurons transmit sensory information from the PNS to the CNS, and the impulse moves proximally, meaning closer to the center or origin (CNS).
The central nervous system (CNS) is responsible for processing and integrating information from the peripheral nervous system (PNS) to coordinate appropriate responses. Neurons are specialized cells that transmit electrical impulses, also known as action potentials, to communicate information within the nervous system. Afferent neurons carry sensory information from the PNS to the CNS, while efferent neurons transmit motor signals from the CNS to the PNS.
Explanation:
The correct answer is option 'D': An afferent neuron, impulse moving proximally. Here's an explanation of each option:
a) An afferent neuron, impulse moving distally:
- Afferent neurons carry sensory information from the PNS to the CNS.
- Distally refers to moving away from the center or origin.
- In this context, moving distally means away from the CNS.
- However, the question specifically asks about the direction of an impulse carrying information to the CNS from the PNS, which is afferent in nature.
b) An efferent neuron, impulse moving proximally:
- Efferent neurons transmit motor signals from the CNS to the PNS.
- Proximally refers to moving closer to the center or origin.
- In this context, moving proximally means towards the CNS.
- This option does not accurately describe the direction of an impulse carrying information from the PNS to the CNS.
c) An efferent neuron, impulse moving distally:
- As mentioned earlier, efferent neurons transmit motor signals from the CNS to the PNS.
- Distally refers to moving away from the center or origin.
- This option also does not accurately describe the direction of an impulse carrying information from the PNS to the CNS.
d) An afferent neuron, impulse moving proximally:
- Afferent neurons carry sensory information from the PNS to the CNS.
- Proximally refers to moving closer to the center or origin.
- This option accurately describes the direction of an impulse carrying information to the CNS from the PNS.
Summary:
In conclusion, the correct answer is option 'D': An afferent neuron, impulse moving proximally. This accurately describes the direction of an impulse carrying information to the central nervous system from the peripheral nervous system. Afferent neurons transmit sensory information from the PNS to the CNS, and the impulse moves proximally, meaning closer to the center or origin (CNS).
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Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?a)An afferent neuron, impulse moving distally.b)An efferent neuron, impulse moving proximally.c)An efferent neuron, impulse moving distally.d)An afferent neuron, impulse moving proximally.Correct answer is option 'D'. Can you explain this answer? for MCAT 2025 is part of MCAT preparation. The Question and answers have been prepared according to the MCAT exam syllabus. Information about Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?a)An afferent neuron, impulse moving distally.b)An efferent neuron, impulse moving proximally.c)An efferent neuron, impulse moving distally.d)An afferent neuron, impulse moving proximally.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for MCAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?a)An afferent neuron, impulse moving distally.b)An efferent neuron, impulse moving proximally.c)An efferent neuron, impulse moving distally.d)An afferent neuron, impulse moving proximally.Correct answer is option 'D'. Can you explain this answer?.
Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?a)An afferent neuron, impulse moving distally.b)An efferent neuron, impulse moving proximally.c)An efferent neuron, impulse moving distally.d)An afferent neuron, impulse moving proximally.Correct answer is option 'D'. Can you explain this answer? for MCAT 2025 is part of MCAT preparation. The Question and answers have been prepared according to the MCAT exam syllabus. Information about Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?a)An afferent neuron, impulse moving distally.b)An efferent neuron, impulse moving proximally.c)An efferent neuron, impulse moving distally.d)An afferent neuron, impulse moving proximally.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for MCAT 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?a)An afferent neuron, impulse moving distally.b)An efferent neuron, impulse moving proximally.c)An efferent neuron, impulse moving distally.d)An afferent neuron, impulse moving proximally.Correct answer is option 'D'. Can you explain this answer?.
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