The Hypothalamus Is

question 56

Multiple Choice

The hypothalamus is

• A) the size of a lemon.
• B) located in the throat.
• C) in the frontal lobe of the brain.
• D) located at the base of the brain.
• E) part of the liver.

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Definitions:

Q-T Interval

A measurement on an electrocardiogram (ECG) that represents the time between the start of the Q wave and the end of the T wave, indicative of the duration of ventricular depolarization and repolarization.

Ventricular Contraction

The phase of the cardiac cycle in which the ventricles contract, pumping blood out of the heart into the systemic and pulmonary circulations.

Physical Exercise

Any bodily activity that enhances or maintains physical fitness and overall health and wellness.

SA Node

Known as the sinoatrial node, it is the natural pacemaker of the heart located in the right atrium, initiating the heart's electrical impulses.