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#blood physiology practice question

3 public questions tagged with this topic.

Blood and their Component

Which substance released by platelets causes vasoconstriction?

The correct answer is B: Serotonin. In Blood and their Component, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, Serotonin is the option that correctly names the structure, process, or principle asked for in Blood and their Component. That is why Serotonin 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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Blood and their Component

Normal platelet count per microliter of blood is:

Go with B — 150,000–400,000. Within Blood and their Component, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, 150,000–400,000 is the option that correctly names the structure, process, or principle asked for in Blood and their Component. Holding that picture in mind makes 150,000–400,000 feel natural rather than something you only memorise. Link the term to a real body example (organ, tissue, or ion flow) so the idea stays concrete under exam pressure. A short mental diagram helps — start from stimulus or structure, follow the pathway, and stop at the functional result described by 150,000–400,000.

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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Blood and their Component

Which plasma protein maintains colloidal osmotic pressure?

Pick C: Albumin. Thinking about Blood and their Component 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: Albumin is the option that correctly names the structure, process, or principle asked for in Blood and their Component. Hence Albumin is correct. Treat this as a building block for the rest of Blood and their Component; 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.

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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