#neurophysiology question

Cardiac Cycle and Regulation

RVLM primarily controls:

The correct answer is C: Sympathetic vasomotor tone. In Cardiac Cycle and Regulation, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, the functional job described in the stem is exactly what Sympathetic vasomotor tone does in Cardiac Cycle and Regulation. That is why Sympathetic vasomotor tone is the option that holds up when you check it against basic physiology. When you revise, say the answer out loud with one short reason attached; that sticks better than rote lists. Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Synapse

Functional connection between soma and axon terminal is maintained by:

The correct answer is C: Set point. In Synapse, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, the functional job described in the stem is exactly what Set point does in Synapse. That is why Set point is the option that holds up when you check it against basic physiology. When you revise, say the answer out loud with one short reason attached; that sticks better than rote lists. Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Synapse

The ‘stop-and-go’ model explains:

Answer: C) Slow axonal transport. For Synapse, once you lock onto the key mechanism or definition, Slow axonal transport is the clear fit. If you restate the concept in your own words, Slow axonal transport is the option that correctly names the structure, process, or principle asked for in Synapse. So Slow axonal transport is the clean, accurate selection. If a similar stem appears later, start from the same core fact and you will land on the same kind of answer. In class notes, highlight this same phrase next to the related diagram so the wording and the picture reinforce each other.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Action potential

Action potential follows all-or-none law because:

Answer: C) Threshold once crossed produces fixed amplitude. For Action potential, once you lock onto the key mechanism or definition, Threshold once crossed produces fixed amplitude is the clear fit. If you restate the concept in your own words, cause and effect line up with Threshold once crossed produces fixed amplitude — that is the mechanism or reason the stem is pointing to. So Threshold once crossed produces fixed amplitude is the clean, accurate selection. If a similar stem appears later, start from the same core fact and you will land on the same kind of answer. In class notes, highlight this same phrase next to the related diagram so the wording and the picture reinforce each other.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Action potential

The primary ion responsible for maintaining resting membrane potential due to leak channels is:

Pick C: K+. Thinking about Action potential in a practical way — what the structure does, or what the process achieves — leads you here. Clinically and academically, the same logic shows up again and again: cause and effect line up with K+ — that is the mechanism or reason the stem is pointing to. Hence K+ is correct. Treat this as a building block for the rest of Action potential; neighbouring topics often reuse the same principle. Keep a one-line summary card for this idea and revisit it before the paper; short, repeated review beats long cramming sessions. If the wording feels dense, translate it into everyday language first, then map that plain sentence back onto K+.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Action potential

Resting membrane potential of a typical neuron is approximately:

The correct answer is B: -70 mV. In Action potential, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, -70 mV is the option that correctly names the structure, process, or principle asked for in Action potential. That is why -70 mV is the option that holds up when you check it against basic physiology. When you revise, say the answer out loud with one short reason attached; that sticks better than rote lists. Remember that physiology questions reward precise language: name the process, the location, and the outcome, then match that to the option text.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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Neuron; Structure and Function

Which neuronal process primarily receives chemical signals from other cells?

Dendrite (B) is the right choice. This sits at the heart of Neuron; Structure and Function: the wording points straight to what is happening in the tissue or organ system. A useful study habit is to ask what the structure or process is for: the functional job described in the stem is exactly what Dendrite does in Neuron; Structure and Function. That reasoning supports Dendrite. One solid sentence about why this works is enough for recall — you do not need a long essay for every MCQ. When you practise, cover the choices first, write Dendrite from memory, then reveal the letter — that habit builds real recall for Neuron; Structure and Function.

Ref: Animal physiology is Unit 7 of the CSIR NET Life Science Syllabus, covering core body systems. It accounts for roughly 10% of the total marks in Sections B and C.

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