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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
Answered by GPT-4o mini
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**.