Which Criteria Must Be Met for the Heart to Function

question 195

Multiple Choice

Which criteria must be met for the heart to function efficiently?

• A) Excitation and consequently contraction of the cardiac muscle fibres of each heart chamber should be coordinated to ensure efficient pumping.
• B) The ventricles should be excited and contract before the onset of atrial contraction to ensure that ventricular filling is complete.
• C) The right side of the heart should contract first to ensure that oxygenated blood is delivered to the heart before the left side contracts.
• D) The fluid pressure in the pericardial cavity must be higher for the heart to function efficiently

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Definitions:

Frontal Lobe

The part of the cerebrum that is situated at the top front part of each hemisphere and controls voluntary muscle movements and higher-level cognitive functions such as planning, goal setting, and decision-making.

Emotional Intensity

The degree of strength or depth of an individual's emotional responses to situations or stimuli.

Social Referencing

The process by which individuals look to others in their environment for cues on how to react or behave in specific situations.

Coping Behavior

The actions, strategies, and psychological mechanisms individuals employ to manage stress, challenges, and emotional distress.