#cardiac cycle MCQ

Cardiac Cycle and Regulation

Which phase contributes maximum blood ejection?

The correct answer is C: Rapid ventricular ejection. In Cardiac Cycle and Regulation, this idea is central because it matches how the body actually works in everyday teaching examples. Put simply, Rapid ventricular ejection is the option that correctly names the structure, process, or principle asked for in Cardiac Cycle and Regulation. That is why Rapid ventricular ejection 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.

View Details

Cardiac Cycle and Regulation

During isovolumetric contraction, ventricular pressure rises until it exceeds:

Arterial pressure (C) is the right choice. This sits at the heart of Cardiac Cycle and Regulation: 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: Arterial pressure is the option that correctly names the structure, process, or principle asked for in Cardiac Cycle and Regulation. That reasoning supports Arterial pressure. 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 Arterial pressure from memory, then reveal the letter — that habit builds real recall for Cardiac Cycle and Regulation.

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.

View Details

Cardiac Cycle and Regulation

Isovolumetric ventricular contraction is characterized by:

Answer: C) All valves closed. For Cardiac Cycle and Regulation, once you lock onto the key mechanism or definition, All valves closed is the clear fit. If you restate the concept in your own words, All valves closed is the option that correctly names the structure, process, or principle asked for in Cardiac Cycle and Regulation. So All valves closed 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.

View Details

Cardiac Cycle and Regulation

During atrial systole, which valves are open?

Pick C: AV valves. Thinking about Cardiac Cycle and Regulation 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: AV valves is the option that correctly names the structure, process, or principle asked for in Cardiac Cycle and Regulation. Hence AV valves is correct. Treat this as a building block for the rest of Cardiac Cycle and Regulation; 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.

View Details

Cardiac Cycle and Regulation

First phase of cardiac cycle is initiated by:

Go with B — Atrial contraction. Within Cardiac Cycle and Regulation, that statement lines up with the standard definition and the usual exam wording you’ll see. In plain terms, Atrial contraction is the option that correctly names the structure, process, or principle asked for in Cardiac Cycle and Regulation. Holding that picture in mind makes Atrial contraction 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 Atrial contraction.

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.

View Details

Cardiac Cycle and Regulation

Duration of ventricular systole in a normal cardiac cycle is about:

Answer: C) 0.3 s. For Cardiac Cycle and Regulation, once you lock onto the key mechanism or definition, 0.3 s is the clear fit. If you restate the concept in your own words, 0.3 s is the option that correctly names the structure, process, or principle asked for in Cardiac Cycle and Regulation. So 0.3 s 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.

View Details