Examlex
The adjustable contact of a 1 k linear potentiometer is set at 3/4 of full rotation from the lower-end terminal. What is the resistance between the adjustable contact and the upper-end terminal?
Sinoatrial Node
The heart's natural pacemaker, located in the right atrium, responsible for initiating the heart's contractions.
Atrioventricular Node
A part of the electrical conduction system of the heart that helps regulate the heart rate by transferring signals from the atria to the ventricles.
Atrioventricular Bundle
A group of heart muscle fibers responsible for conducting impulses from the atria to the ventricles, ensuring coordinated heart contractions.
Pulse Pressure
The difference between systolic and diastolic blood pressure readings, indicating the force that the heart generates each time it contracts.
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