Which part or parts of the PQRST wave records the lower parts of the heart relaxing?

(1 point)
Responses

R and S waves
R and S waves

ST, T, and U waves
ST, T, and U waves

QRS complex
QRS complex

P wave
P wave

1 answer

The part of the PQRST wave that records the lower parts of the heart relaxing is the T wave. The T wave represents repolarization (relaxation) of the ventricles. Therefore, the correct response is:

ST, T, and U waves.