The lowest pressure that occurs when the heart is at it's resting period, just before the contraction of the left ventricle is known as:

Appeared in: AIIMS Raipur NO- 2019 (shift 3rd)

Explanation

Diastolic pressure is the minimum arterial pressure during the relaxation and dilation of the ventricles of the heart when the ventricles are filling with blood.
This 'resting period' is known as diastole.
It represents the pressure exerted against the arterial walls when the heart is not actively pumping blood out, hence it is the lowest pressure in the cardiac cycle.
The question specifically describes the moment just before the next contraction, which is the end of the diastolic phase.

Option B: Hypertension is a chronic medical condition defined by consistently high blood pressure (e.g., systolic greater than 140 mmHg or diastolic greater than 90 mmHg). It is a diagnosis, not a physiological measurement within a single heartbeat.
Option C: Systolic pressure is the maximum pressure exerted on the arteries during the contraction of the left ventricle (systole). The question asks for the lowest pressure during the resting period.
Option D: Pulse pressure is the mathematical difference between the systolic and diastolic pressures (Pulse Pressure = Systolic Pressure - Diastolic Pressure). It is a calculated value that reflects stroke volume, not a direct pressure measurement at a specific point in the cardiac cycle.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definitions of Blood Pressure Components as background academic context rather than a clinical decision trigger.
Accurate measurement of diastolic pressure is crucial for diagnosing and managing hypertension.
Diastolic pressure is a key indicator of coronary artery perfusion, as the heart muscle receives most of its blood supply during the diastolic (resting) phase.
An elevated diastolic pressure indicates that blood vessels may have less elasticity or are constricted, increasing the risk for cardiovascular disease.

How to Approach the Question

First, carefully read the question and identify the key phrases: 'lowest pressure' and 'heart is at its resting period'.
Recall the definitions of the components of a blood pressure reading.
Associate 'resting period' with the term 'diastole'.
Associate 'lowest pressure' with the diastolic measurement.
Evaluate each option based on these definitions. Systolic is the highest pressure, hypertension is a condition, and pulse pressure is a calculated difference.
Conclude that 'Diastolic pressure' is the only term that matches the description of the lowest pressure during the heart's rest phase.

Concept Tested & Keywords

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Practise the full AIIMS Raipur NO- 2019 (shift 3rd)

Attempt every question from this paper in a timed mock, then review the full solution for each one.